/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 01:01:40,547 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 01:01:40,549 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 01:01:40,562 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 01:01:40,562 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 01:01:40,563 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 01:01:40,564 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 01:01:40,566 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 01:01:40,568 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 01:01:40,569 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 01:01:40,570 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 01:01:40,571 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 01:01:40,572 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 01:01:40,573 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 01:01:40,574 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 01:01:40,575 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 01:01:40,576 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 01:01:40,577 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 01:01:40,579 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 01:01:40,581 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 01:01:40,583 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 01:01:40,584 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 01:01:40,585 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 01:01:40,586 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 01:01:40,588 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 01:01:40,589 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 01:01:40,589 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 01:01:40,590 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 01:01:40,590 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 01:01:40,591 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 01:01:40,592 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 01:01:40,592 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 01:01:40,593 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 01:01:40,594 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 01:01:40,595 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 01:01:40,595 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 01:01:40,597 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 01:01:40,597 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 01:01:40,597 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 01:01:40,598 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 01:01:40,601 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 01:01:40,602 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 01:01:40,630 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 01:01:40,631 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 01:01:40,632 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 01:01:40,632 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 01:01:40,632 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 01:01:40,633 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 01:01:40,633 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 01:01:40,633 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 01:01:40,633 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 01:01:40,634 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 01:01:40,634 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 01:01:40,634 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 01:01:40,634 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 01:01:40,634 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 01:01:40,634 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 01:01:40,635 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 01:01:40,635 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 01:01:40,635 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 01:01:40,635 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 01:01:40,636 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 01:01:40,636 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 01:01:40,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 01:01:40,636 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 01:01:40,636 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 01:01:40,637 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 01:01:40,637 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 01:01:40,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 01:01:40,637 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 01:01:40,637 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-11-07 01:01:40,933 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 01:01:40,945 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 01:01:40,949 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 01:01:40,950 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 01:01:40,951 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 01:01:40,951 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product28.cil.c [2019-11-07 01:01:41,026 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/155b4c794/4d4548e2ec954e69adc8a9217f89c5c8/FLAGbcaa8f726 [2019-11-07 01:01:41,605 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 01:01:41,606 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product28.cil.c [2019-11-07 01:01:41,624 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/155b4c794/4d4548e2ec954e69adc8a9217f89c5c8/FLAGbcaa8f726 [2019-11-07 01:01:41,917 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/155b4c794/4d4548e2ec954e69adc8a9217f89c5c8 [2019-11-07 01:01:41,927 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 01:01:41,929 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 01:01:41,930 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 01:01:41,930 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 01:01:41,934 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 01:01:41,935 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:01:41" (1/1) ... [2019-11-07 01:01:41,938 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@100a49f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:41, skipping insertion in model container [2019-11-07 01:01:41,938 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:01:41" (1/1) ... [2019-11-07 01:01:41,947 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 01:01:42,017 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 01:01:42,463 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:01:42,480 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 01:01:42,556 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:01:42,592 INFO L192 MainTranslator]: Completed translation [2019-11-07 01:01:42,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:42 WrapperNode [2019-11-07 01:01:42,593 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 01:01:42,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 01:01:42,594 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 01:01:42,594 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 01:01:42,608 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:42" (1/1) ... [2019-11-07 01:01:42,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:42" (1/1) ... [2019-11-07 01:01:42,628 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:42" (1/1) ... [2019-11-07 01:01:42,628 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:42" (1/1) ... [2019-11-07 01:01:42,660 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:42" (1/1) ... [2019-11-07 01:01:42,670 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:42" (1/1) ... [2019-11-07 01:01:42,676 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:42" (1/1) ... [2019-11-07 01:01:42,685 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 01:01:42,686 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 01:01:42,686 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 01:01:42,686 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 01:01:42,687 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2019-11-07 01:01:42,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 01:01:42,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 01:01:42,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 01:01:42,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 01:01:42,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 01:01:42,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 01:01:42,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 01:01:42,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 01:01:42,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 01:01:42,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 01:01:42,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-11-07 01:01:42,769 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 01:01:42,769 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 01:01:42,770 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 01:01:42,770 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 01:01:42,771 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 01:01:42,773 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 01:01:42,773 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 01:01:42,773 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-11-07 01:01:42,773 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 01:01:42,773 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 01:01:42,774 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 01:01:42,774 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 01:01:42,774 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 01:01:42,774 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-11-07 01:01:42,774 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-11-07 01:01:42,774 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-11-07 01:01:42,775 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 01:01:42,775 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 01:01:42,775 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 01:01:42,775 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 01:01:42,775 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 01:01:42,775 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 01:01:42,775 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-11-07 01:01:42,776 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 01:01:42,776 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 01:01:42,776 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 01:01:42,777 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 01:01:42,777 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 01:01:42,777 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 01:01:42,777 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 01:01:42,777 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 01:01:42,777 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 01:01:42,777 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 01:01:42,778 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 01:01:42,778 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 01:01:42,778 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 01:01:42,778 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 01:01:42,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 01:01:42,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 01:01:42,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 01:01:42,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 01:01:42,779 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 01:01:42,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 01:01:42,779 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 01:01:42,779 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 01:01:42,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 01:01:42,779 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 01:01:42,780 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 01:01:42,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 01:01:42,780 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 01:01:42,780 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 01:01:42,780 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 01:01:42,781 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-11-07 01:01:42,781 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 01:01:42,781 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 01:01:42,781 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 01:01:42,781 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 01:01:42,781 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 01:01:42,781 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 01:01:42,782 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 01:01:42,782 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-11-07 01:01:42,782 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 01:01:42,783 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 01:01:42,783 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 01:01:42,783 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 01:01:42,783 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-11-07 01:01:42,783 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-11-07 01:01:42,783 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 01:01:42,784 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 01:01:42,784 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-11-07 01:01:42,784 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-11-07 01:01:42,785 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 01:01:42,785 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 01:01:42,786 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 01:01:42,786 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 01:01:42,786 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 01:01:42,787 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 01:01:42,787 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 01:01:42,787 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 01:01:42,787 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 01:01:42,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 01:01:42,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 01:01:42,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 01:01:43,895 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 01:01:43,895 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 01:01:43,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:01:43 BoogieIcfgContainer [2019-11-07 01:01:43,898 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 01:01:43,899 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 01:01:43,899 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 01:01:43,903 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 01:01:43,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:01:41" (1/3) ... [2019-11-07 01:01:43,905 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e7a3c39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:01:43, skipping insertion in model container [2019-11-07 01:01:43,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:42" (2/3) ... [2019-11-07 01:01:43,905 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e7a3c39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:01:43, skipping insertion in model container [2019-11-07 01:01:43,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:01:43" (3/3) ... [2019-11-07 01:01:43,908 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product28.cil.c [2019-11-07 01:01:43,918 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 01:01:43,931 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 01:01:43,945 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 01:01:43,969 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 01:01:43,969 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 01:01:43,969 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 01:01:43,969 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 01:01:43,970 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 01:01:43,970 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 01:01:43,970 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 01:01:43,970 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 01:01:43,989 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states. [2019-11-07 01:01:43,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-07 01:01:43,997 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:43,998 INFO L410 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] [2019-11-07 01:01:44,000 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:44,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:44,005 INFO L82 PathProgramCache]: Analyzing trace with hash 613458754, now seen corresponding path program 1 times [2019-11-07 01:01:44,014 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:44,015 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868218336] [2019-11-07 01:01:44,015 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:44,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:44,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:44,362 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868218336] [2019-11-07 01:01:44,363 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:44,363 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 01:01:44,365 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715996654] [2019-11-07 01:01:44,371 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 01:01:44,373 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:44,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 01:01:44,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 01:01:44,389 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 2 states. [2019-11-07 01:01:44,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:44,430 INFO L93 Difference]: Finished difference Result 228 states and 283 transitions. [2019-11-07 01:01:44,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 01:01:44,431 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-11-07 01:01:44,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:44,445 INFO L225 Difference]: With dead ends: 228 [2019-11-07 01:01:44,445 INFO L226 Difference]: Without dead ends: 114 [2019-11-07 01:01:44,449 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 01:01:44,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2019-11-07 01:01:44,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2019-11-07 01:01:44,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2019-11-07 01:01:44,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 133 transitions. [2019-11-07 01:01:44,525 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 133 transitions. Word has length 46 [2019-11-07 01:01:44,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:44,527 INFO L462 AbstractCegarLoop]: Abstraction has 114 states and 133 transitions. [2019-11-07 01:01:44,527 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 01:01:44,527 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 133 transitions. [2019-11-07 01:01:44,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-07 01:01:44,533 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:44,533 INFO L410 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] [2019-11-07 01:01:44,533 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:44,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:44,534 INFO L82 PathProgramCache]: Analyzing trace with hash 1236074797, now seen corresponding path program 1 times [2019-11-07 01:01:44,534 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:44,534 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001631130] [2019-11-07 01:01:44,534 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:44,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:44,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:44,714 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001631130] [2019-11-07 01:01:44,714 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:44,714 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 01:01:44,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391537346] [2019-11-07 01:01:44,717 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 01:01:44,719 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:44,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 01:01:44,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 01:01:44,719 INFO L87 Difference]: Start difference. First operand 114 states and 133 transitions. Second operand 3 states. [2019-11-07 01:01:44,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:44,763 INFO L93 Difference]: Finished difference Result 167 states and 193 transitions. [2019-11-07 01:01:44,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 01:01:44,764 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-11-07 01:01:44,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:44,766 INFO L225 Difference]: With dead ends: 167 [2019-11-07 01:01:44,766 INFO L226 Difference]: Without dead ends: 105 [2019-11-07 01:01:44,768 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 01:01:44,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2019-11-07 01:01:44,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2019-11-07 01:01:44,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-11-07 01:01:44,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 121 transitions. [2019-11-07 01:01:44,792 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 121 transitions. Word has length 47 [2019-11-07 01:01:44,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:44,793 INFO L462 AbstractCegarLoop]: Abstraction has 105 states and 121 transitions. [2019-11-07 01:01:44,793 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 01:01:44,793 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 121 transitions. [2019-11-07 01:01:44,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-07 01:01:44,797 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:44,800 INFO L410 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] [2019-11-07 01:01:44,800 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:44,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:44,800 INFO L82 PathProgramCache]: Analyzing trace with hash 1340711329, now seen corresponding path program 1 times [2019-11-07 01:01:44,800 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:44,801 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327715281] [2019-11-07 01:01:44,801 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:44,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:44,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:44,969 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327715281] [2019-11-07 01:01:44,969 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:44,970 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 01:01:44,970 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704045849] [2019-11-07 01:01:44,970 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 01:01:44,971 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:44,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 01:01:44,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-07 01:01:44,971 INFO L87 Difference]: Start difference. First operand 105 states and 121 transitions. Second operand 7 states. [2019-11-07 01:01:45,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:45,438 INFO L93 Difference]: Finished difference Result 317 states and 383 transitions. [2019-11-07 01:01:45,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 01:01:45,438 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-11-07 01:01:45,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:45,446 INFO L225 Difference]: With dead ends: 317 [2019-11-07 01:01:45,446 INFO L226 Difference]: Without dead ends: 236 [2019-11-07 01:01:45,450 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-07 01:01:45,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2019-11-07 01:01:45,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 224. [2019-11-07 01:01:45,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2019-11-07 01:01:45,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 270 transitions. [2019-11-07 01:01:45,504 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 270 transitions. Word has length 52 [2019-11-07 01:01:45,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:45,505 INFO L462 AbstractCegarLoop]: Abstraction has 224 states and 270 transitions. [2019-11-07 01:01:45,505 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 01:01:45,505 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 270 transitions. [2019-11-07 01:01:45,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-07 01:01:45,508 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:45,508 INFO L410 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] [2019-11-07 01:01:45,508 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:45,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:45,509 INFO L82 PathProgramCache]: Analyzing trace with hash -1244554845, now seen corresponding path program 1 times [2019-11-07 01:01:45,509 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:45,510 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938614615] [2019-11-07 01:01:45,510 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:45,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:45,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:45,707 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938614615] [2019-11-07 01:01:45,707 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:45,707 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-07 01:01:45,707 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574347163] [2019-11-07 01:01:45,708 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-07 01:01:45,708 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:45,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-07 01:01:45,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-11-07 01:01:45,709 INFO L87 Difference]: Start difference. First operand 224 states and 270 transitions. Second operand 10 states. [2019-11-07 01:01:46,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:46,269 INFO L93 Difference]: Finished difference Result 776 states and 999 transitions. [2019-11-07 01:01:46,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-07 01:01:46,271 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2019-11-07 01:01:46,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:46,278 INFO L225 Difference]: With dead ends: 776 [2019-11-07 01:01:46,278 INFO L226 Difference]: Without dead ends: 576 [2019-11-07 01:01:46,280 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-11-07 01:01:46,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2019-11-07 01:01:46,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 564. [2019-11-07 01:01:46,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 564 states. [2019-11-07 01:01:46,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 700 transitions. [2019-11-07 01:01:46,366 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 700 transitions. Word has length 57 [2019-11-07 01:01:46,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:46,368 INFO L462 AbstractCegarLoop]: Abstraction has 564 states and 700 transitions. [2019-11-07 01:01:46,369 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-07 01:01:46,370 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 700 transitions. [2019-11-07 01:01:46,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-07 01:01:46,377 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:46,377 INFO L410 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] [2019-11-07 01:01:46,377 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:46,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:46,377 INFO L82 PathProgramCache]: Analyzing trace with hash 520525257, now seen corresponding path program 1 times [2019-11-07 01:01:46,378 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:46,378 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111831097] [2019-11-07 01:01:46,378 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:46,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:46,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:46,523 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111831097] [2019-11-07 01:01:46,523 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:46,523 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 01:01:46,523 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415117775] [2019-11-07 01:01:46,524 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 01:01:46,524 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:46,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 01:01:46,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 01:01:46,526 INFO L87 Difference]: Start difference. First operand 564 states and 700 transitions. Second operand 4 states. [2019-11-07 01:01:46,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:46,730 INFO L93 Difference]: Finished difference Result 948 states and 1210 transitions. [2019-11-07 01:01:46,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-07 01:01:46,730 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2019-11-07 01:01:46,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:46,733 INFO L225 Difference]: With dead ends: 948 [2019-11-07 01:01:46,733 INFO L226 Difference]: Without dead ends: 408 [2019-11-07 01:01:46,736 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-07 01:01:46,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2019-11-07 01:01:46,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 396. [2019-11-07 01:01:46,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 396 states. [2019-11-07 01:01:46,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 458 transitions. [2019-11-07 01:01:46,761 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 458 transitions. Word has length 61 [2019-11-07 01:01:46,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:46,762 INFO L462 AbstractCegarLoop]: Abstraction has 396 states and 458 transitions. [2019-11-07 01:01:46,762 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 01:01:46,762 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 458 transitions. [2019-11-07 01:01:46,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-11-07 01:01:46,764 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:46,765 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:01:46,765 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:46,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:46,765 INFO L82 PathProgramCache]: Analyzing trace with hash -175028075, now seen corresponding path program 1 times [2019-11-07 01:01:46,766 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:46,766 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024956043] [2019-11-07 01:01:46,766 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:46,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:46,897 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-07 01:01:46,897 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024956043] [2019-11-07 01:01:46,897 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [661062723] [2019-11-07 01:01:46,898 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:01:47,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:47,110 INFO L256 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-07 01:01:47,121 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 01:01:47,243 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-07 01:01:47,243 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 01:01:47,351 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 01:01:47,492 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:01:47,493 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [1141884508] [2019-11-07 01:01:47,499 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 90 [2019-11-07 01:01:47,553 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-11-07 01:01:47,554 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 01:01:47,623 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-11-07 01:01:47,625 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 68 root evaluator evaluations with a maximum evaluation depth of 0. Performed 68 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 126 variables. [2019-11-07 01:01:47,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:47,629 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-11-07 01:01:47,681 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-11-07 01:01:47,681 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-11-07 01:01:47,684 INFO L553 sIntCurrentIteration]: We unified 88 AI predicates to 88 [2019-11-07 01:01:47,684 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-11-07 01:01:47,684 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-11-07 01:01:47,685 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7, 7, 8] total 15 [2019-11-07 01:01:47,685 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959237213] [2019-11-07 01:01:47,686 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 01:01:47,686 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:47,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 01:01:47,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2019-11-07 01:01:47,687 INFO L87 Difference]: Start difference. First operand 396 states and 458 transitions. Second operand 2 states. [2019-11-07 01:01:47,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:47,695 INFO L93 Difference]: Finished difference Result 396 states and 458 transitions. [2019-11-07 01:01:47,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 01:01:47,696 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 89 [2019-11-07 01:01:47,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:47,696 INFO L225 Difference]: With dead ends: 396 [2019-11-07 01:01:47,696 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 01:01:47,698 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 170 SyntacticMatches, 8 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2019-11-07 01:01:47,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 01:01:47,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 01:01:47,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 01:01:47,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 01:01:47,701 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2019-11-07 01:01:47,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:47,702 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 01:01:47,702 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 01:01:47,702 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 01:01:47,702 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 01:01:47,906 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:01:47,913 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 01:01:48,162 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-11-07 01:01:48,163 INFO L443 ceAbstractionStarter]: For program point L126-2(lines 126 147) no Hoare annotation was computed. [2019-11-07 01:01:48,163 INFO L443 ceAbstractionStarter]: For program point L148(lines 125 149) no Hoare annotation was computed. [2019-11-07 01:01:48,163 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 101 156) no Hoare annotation was computed. [2019-11-07 01:01:48,163 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 101 156) no Hoare annotation was computed. [2019-11-07 01:01:48,163 INFO L443 ceAbstractionStarter]: For program point L132(lines 132 136) no Hoare annotation was computed. [2019-11-07 01:01:48,164 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 132 136) no Hoare annotation was computed. [2019-11-07 01:01:48,164 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 101 156) no Hoare annotation was computed. [2019-11-07 01:01:48,164 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 193) no Hoare annotation was computed. [2019-11-07 01:01:48,164 INFO L443 ceAbstractionStarter]: For program point L189-1(lines 189 193) no Hoare annotation was computed. [2019-11-07 01:01:48,164 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-11-07 01:01:48,164 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 157 216) no Hoare annotation was computed. [2019-11-07 01:01:48,164 INFO L443 ceAbstractionStarter]: For program point L183-2(lines 183 208) no Hoare annotation was computed. [2019-11-07 01:01:48,164 INFO L443 ceAbstractionStarter]: For program point L209(lines 182 210) no Hoare annotation was computed. [2019-11-07 01:01:48,165 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 157 216) no Hoare annotation was computed. [2019-11-07 01:01:48,165 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-11-07 01:01:48,165 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 157 216) no Hoare annotation was computed. [2019-11-07 01:01:48,165 INFO L443 ceAbstractionStarter]: For program point L202-1(line 202) no Hoare annotation was computed. [2019-11-07 01:01:48,165 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 464 470) the Hoare annotation is: true [2019-11-07 01:01:48,165 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 464 470) no Hoare annotation was computed. [2019-11-07 01:01:48,165 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 471 479) no Hoare annotation was computed. [2019-11-07 01:01:48,166 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 471 479) the Hoare annotation is: true [2019-11-07 01:01:48,167 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 471 479) no Hoare annotation was computed. [2019-11-07 01:01:48,167 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 417 441) the Hoare annotation is: true [2019-11-07 01:01:48,167 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 417 441) no Hoare annotation was computed. [2019-11-07 01:01:48,167 INFO L446 ceAbstractionStarter]: At program point L431(line 431) the Hoare annotation is: true [2019-11-07 01:01:48,167 INFO L443 ceAbstractionStarter]: For program point L429(lines 429 435) no Hoare annotation was computed. [2019-11-07 01:01:48,167 INFO L446 ceAbstractionStarter]: At program point L427(line 427) the Hoare annotation is: true [2019-11-07 01:01:48,167 INFO L443 ceAbstractionStarter]: For program point L427-1(line 427) no Hoare annotation was computed. [2019-11-07 01:01:48,168 INFO L443 ceAbstractionStarter]: For program point L425(lines 425 438) no Hoare annotation was computed. [2019-11-07 01:01:48,168 INFO L443 ceAbstractionStarter]: For program point L425-1(lines 417 441) no Hoare annotation was computed. [2019-11-07 01:01:48,168 INFO L446 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: true [2019-11-07 01:01:48,168 INFO L443 ceAbstractionStarter]: For program point L423-1(line 423) no Hoare annotation was computed. [2019-11-07 01:01:48,168 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 848 870) the Hoare annotation is: true [2019-11-07 01:01:48,168 INFO L446 ceAbstractionStarter]: At program point L860(line 860) the Hoare annotation is: true [2019-11-07 01:01:48,168 INFO L446 ceAbstractionStarter]: At program point L860-1(line 860) the Hoare annotation is: true [2019-11-07 01:01:48,168 INFO L443 ceAbstractionStarter]: For program point L858(lines 858 865) no Hoare annotation was computed. [2019-11-07 01:01:48,169 INFO L443 ceAbstractionStarter]: For program point L858-1(lines 858 865) no Hoare annotation was computed. [2019-11-07 01:01:48,175 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 848 870) no Hoare annotation was computed. [2019-11-07 01:01:48,175 INFO L443 ceAbstractionStarter]: For program point L856(line 856) no Hoare annotation was computed. [2019-11-07 01:01:48,175 INFO L446 ceAbstractionStarter]: At program point L855(line 855) the Hoare annotation is: true [2019-11-07 01:01:48,175 INFO L446 ceAbstractionStarter]: At program point L854(line 854) the Hoare annotation is: true [2019-11-07 01:01:48,175 INFO L446 ceAbstractionStarter]: At program point L854-1(line 854) the Hoare annotation is: true [2019-11-07 01:01:48,176 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 848 870) no Hoare annotation was computed. [2019-11-07 01:01:48,177 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 806 829) no Hoare annotation was computed. [2019-11-07 01:01:48,177 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 806 829) no Hoare annotation was computed. [2019-11-07 01:01:48,177 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 806 829) no Hoare annotation was computed. [2019-11-07 01:01:48,177 INFO L443 ceAbstractionStarter]: For program point L824(line 824) no Hoare annotation was computed. [2019-11-07 01:01:48,177 INFO L443 ceAbstractionStarter]: For program point L823(line 823) no Hoare annotation was computed. [2019-11-07 01:01:48,178 INFO L443 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2019-11-07 01:01:48,178 INFO L443 ceAbstractionStarter]: For program point L821(line 821) no Hoare annotation was computed. [2019-11-07 01:01:48,178 INFO L443 ceAbstractionStarter]: For program point L820(line 820) no Hoare annotation was computed. [2019-11-07 01:01:48,178 INFO L443 ceAbstractionStarter]: For program point L819(line 819) no Hoare annotation was computed. [2019-11-07 01:01:48,178 INFO L443 ceAbstractionStarter]: For program point L818(line 818) no Hoare annotation was computed. [2019-11-07 01:01:48,178 INFO L443 ceAbstractionStarter]: For program point L817(line 817) no Hoare annotation was computed. [2019-11-07 01:01:48,178 INFO L443 ceAbstractionStarter]: For program point L816(line 816) no Hoare annotation was computed. [2019-11-07 01:01:48,178 INFO L443 ceAbstractionStarter]: For program point L815(line 815) no Hoare annotation was computed. [2019-11-07 01:01:48,178 INFO L443 ceAbstractionStarter]: For program point L814(line 814) no Hoare annotation was computed. [2019-11-07 01:01:48,179 INFO L443 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2019-11-07 01:01:48,179 INFO L443 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2019-11-07 01:01:48,179 INFO L443 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2019-11-07 01:01:48,179 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 660 674) no Hoare annotation was computed. [2019-11-07 01:01:48,179 INFO L446 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2019-11-07 01:01:48,179 INFO L443 ceAbstractionStarter]: For program point L664(lines 664 670) no Hoare annotation was computed. [2019-11-07 01:01:48,180 INFO L446 ceAbstractionStarter]: At program point stopSystemENTRY(lines 660 674) the Hoare annotation is: true [2019-11-07 01:01:48,180 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 660 674) no Hoare annotation was computed. [2019-11-07 01:01:48,180 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 596 604) no Hoare annotation was computed. [2019-11-07 01:01:48,180 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 596 604) the Hoare annotation is: true [2019-11-07 01:01:48,180 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 596 604) no Hoare annotation was computed. [2019-11-07 01:01:48,180 INFO L443 ceAbstractionStarter]: For program point L650(lines 650 654) no Hoare annotation was computed. [2019-11-07 01:01:48,180 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 641 659) the Hoare annotation is: true [2019-11-07 01:01:48,180 INFO L446 ceAbstractionStarter]: At program point L648(line 648) the Hoare annotation is: true [2019-11-07 01:01:48,181 INFO L443 ceAbstractionStarter]: For program point L650-2(lines 650 654) no Hoare annotation was computed. [2019-11-07 01:01:48,182 INFO L443 ceAbstractionStarter]: For program point L648-1(line 648) no Hoare annotation was computed. [2019-11-07 01:01:48,182 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 641 659) no Hoare annotation was computed. [2019-11-07 01:01:48,182 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 641 659) no Hoare annotation was computed. [2019-11-07 01:01:48,182 INFO L443 ceAbstractionStarter]: For program point L635(line 635) no Hoare annotation was computed. [2019-11-07 01:01:48,182 INFO L443 ceAbstractionStarter]: For program point L635-1(line 635) no Hoare annotation was computed. [2019-11-07 01:01:48,182 INFO L443 ceAbstractionStarter]: For program point L624(lines 624 632) no Hoare annotation was computed. [2019-11-07 01:01:48,182 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 605 640) no Hoare annotation was computed. [2019-11-07 01:01:48,183 INFO L443 ceAbstractionStarter]: For program point L624-2(lines 624 632) no Hoare annotation was computed. [2019-11-07 01:01:48,183 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 605 640) no Hoare annotation was computed. [2019-11-07 01:01:48,183 INFO L443 ceAbstractionStarter]: For program point L612(lines 612 620) no Hoare annotation was computed. [2019-11-07 01:01:48,183 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 605 640) no Hoare annotation was computed. [2019-11-07 01:01:48,183 INFO L443 ceAbstractionStarter]: For program point L612-2(lines 612 620) no Hoare annotation was computed. [2019-11-07 01:01:48,183 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 457 463) no Hoare annotation was computed. [2019-11-07 01:01:48,183 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 457 463) the Hoare annotation is: true [2019-11-07 01:01:48,183 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 55 100) no Hoare annotation was computed. [2019-11-07 01:01:48,184 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 55 100) no Hoare annotation was computed. [2019-11-07 01:01:48,184 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 55 100) no Hoare annotation was computed. [2019-11-07 01:01:48,184 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 402) no Hoare annotation was computed. [2019-11-07 01:01:48,184 INFO L443 ceAbstractionStarter]: For program point L382-1(lines 382 402) no Hoare annotation was computed. [2019-11-07 01:01:48,184 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 368 413) no Hoare annotation was computed. [2019-11-07 01:01:48,184 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 368 413) no Hoare annotation was computed. [2019-11-07 01:01:48,184 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 368 413) no Hoare annotation was computed. [2019-11-07 01:01:48,184 INFO L443 ceAbstractionStarter]: For program point L388(lines 388 395) no Hoare annotation was computed. [2019-11-07 01:01:48,185 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 838 847) the Hoare annotation is: true [2019-11-07 01:01:48,185 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 838 847) no Hoare annotation was computed. [2019-11-07 01:01:48,185 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 838 847) no Hoare annotation was computed. [2019-11-07 01:01:48,185 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 585 595) no Hoare annotation was computed. [2019-11-07 01:01:48,185 INFO L443 ceAbstractionStarter]: For program point L590(line 590) no Hoare annotation was computed. [2019-11-07 01:01:48,185 INFO L443 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2019-11-07 01:01:48,185 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 585 595) no Hoare annotation was computed. [2019-11-07 01:01:48,185 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 585 595) no Hoare annotation was computed. [2019-11-07 01:01:48,185 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 577 584) the Hoare annotation is: true [2019-11-07 01:01:48,186 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 577 584) no Hoare annotation was computed. [2019-11-07 01:01:48,186 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 577 584) no Hoare annotation was computed. [2019-11-07 01:01:48,186 INFO L446 ceAbstractionStarter]: At program point L545(line 545) the Hoare annotation is: true [2019-11-07 01:01:48,186 INFO L443 ceAbstractionStarter]: For program point L545-1(lines 526 550) no Hoare annotation was computed. [2019-11-07 01:01:48,186 INFO L446 ceAbstractionStarter]: At program point L540(line 540) the Hoare annotation is: true [2019-11-07 01:01:48,186 INFO L446 ceAbstractionStarter]: At program point L536(line 536) the Hoare annotation is: true [2019-11-07 01:01:48,186 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 526 550) no Hoare annotation was computed. [2019-11-07 01:01:48,186 INFO L443 ceAbstractionStarter]: For program point L534(lines 534 542) no Hoare annotation was computed. [2019-11-07 01:01:48,187 INFO L446 ceAbstractionStarter]: At program point L532(line 532) the Hoare annotation is: true [2019-11-07 01:01:48,187 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 526 550) the Hoare annotation is: true [2019-11-07 01:01:48,187 INFO L443 ceAbstractionStarter]: For program point L532-1(line 532) no Hoare annotation was computed. [2019-11-07 01:01:48,187 INFO L443 ceAbstractionStarter]: For program point L530(lines 530 547) no Hoare annotation was computed. [2019-11-07 01:01:48,187 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 518 524) no Hoare annotation was computed. [2019-11-07 01:01:48,187 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 518 524) the Hoare annotation is: true [2019-11-07 01:01:48,187 INFO L446 ceAbstractionStarter]: At program point L929(lines 882 931) the Hoare annotation is: true [2019-11-07 01:01:48,187 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 872 939) the Hoare annotation is: true [2019-11-07 01:01:48,187 INFO L446 ceAbstractionStarter]: At program point L894(line 894) the Hoare annotation is: true [2019-11-07 01:01:48,188 INFO L443 ceAbstractionStarter]: For program point L892(lines 892 898) no Hoare annotation was computed. [2019-11-07 01:01:48,188 INFO L443 ceAbstractionStarter]: For program point L892-1(lines 892 898) no Hoare annotation was computed. [2019-11-07 01:01:48,188 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 872 939) no Hoare annotation was computed. [2019-11-07 01:01:48,188 INFO L443 ceAbstractionStarter]: For program point L884(lines 884 888) no Hoare annotation was computed. [2019-11-07 01:01:48,188 INFO L446 ceAbstractionStarter]: At program point L932(lines 881 933) the Hoare annotation is: true [2019-11-07 01:01:48,188 INFO L446 ceAbstractionStarter]: At program point L922(line 922) the Hoare annotation is: true [2019-11-07 01:01:48,188 INFO L443 ceAbstractionStarter]: For program point L920(lines 920 926) no Hoare annotation was computed. [2019-11-07 01:01:48,188 INFO L446 ceAbstractionStarter]: At program point L920-1(lines 912 927) the Hoare annotation is: true [2019-11-07 01:01:48,188 INFO L443 ceAbstractionStarter]: For program point L883(lines 882 931) no Hoare annotation was computed. [2019-11-07 01:01:48,189 INFO L446 ceAbstractionStarter]: At program point L914(line 914) the Hoare annotation is: true [2019-11-07 01:01:48,189 INFO L443 ceAbstractionStarter]: For program point L912(lines 912 927) no Hoare annotation was computed. [2019-11-07 01:01:48,189 INFO L446 ceAbstractionStarter]: At program point L904(line 904) the Hoare annotation is: true [2019-11-07 01:01:48,189 INFO L443 ceAbstractionStarter]: For program point L902(lines 902 908) no Hoare annotation was computed. [2019-11-07 01:01:48,189 INFO L443 ceAbstractionStarter]: For program point L902-1(lines 902 908) no Hoare annotation was computed. [2019-11-07 01:01:48,189 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 872 939) no Hoare annotation was computed. [2019-11-07 01:01:48,189 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 322 367) no Hoare annotation was computed. [2019-11-07 01:01:48,189 INFO L443 ceAbstractionStarter]: For program point L342(lines 342 349) no Hoare annotation was computed. [2019-11-07 01:01:48,189 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 322 367) no Hoare annotation was computed. [2019-11-07 01:01:48,190 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 322 367) no Hoare annotation was computed. [2019-11-07 01:01:48,190 INFO L443 ceAbstractionStarter]: For program point L336(lines 336 356) no Hoare annotation was computed. [2019-11-07 01:01:48,190 INFO L443 ceAbstractionStarter]: For program point L336-1(lines 336 356) no Hoare annotation was computed. [2019-11-07 01:01:48,190 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 551 558) no Hoare annotation was computed. [2019-11-07 01:01:48,190 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 551 558) no Hoare annotation was computed. [2019-11-07 01:01:48,190 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 551 558) no Hoare annotation was computed. [2019-11-07 01:01:48,190 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 765 773) no Hoare annotation was computed. [2019-11-07 01:01:48,190 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 765 773) the Hoare annotation is: true [2019-11-07 01:01:48,190 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 765 773) no Hoare annotation was computed. [2019-11-07 01:01:48,191 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 733 755) no Hoare annotation was computed. [2019-11-07 01:01:48,191 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 733 755) no Hoare annotation was computed. [2019-11-07 01:01:48,191 INFO L443 ceAbstractionStarter]: For program point L741(lines 741 749) no Hoare annotation was computed. [2019-11-07 01:01:48,191 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 733 755) no Hoare annotation was computed. [2019-11-07 01:01:48,191 INFO L443 ceAbstractionStarter]: For program point L741-2(lines 741 749) no Hoare annotation was computed. [2019-11-07 01:01:48,191 INFO L443 ceAbstractionStarter]: For program point L289(lines 267 290) no Hoare annotation was computed. [2019-11-07 01:01:48,191 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 219 321) no Hoare annotation was computed. [2019-11-07 01:01:48,191 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 264) no Hoare annotation was computed. [2019-11-07 01:01:48,191 INFO L443 ceAbstractionStarter]: For program point L308(lines 308 315) no Hoare annotation was computed. [2019-11-07 01:01:48,192 INFO L443 ceAbstractionStarter]: For program point L269(lines 268 288) no Hoare annotation was computed. [2019-11-07 01:01:48,195 INFO L443 ceAbstractionStarter]: For program point L300(line 300) no Hoare annotation was computed. [2019-11-07 01:01:48,195 INFO L443 ceAbstractionStarter]: For program point L300-1(line 300) no Hoare annotation was computed. [2019-11-07 01:01:48,195 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 306) no Hoare annotation was computed. [2019-11-07 01:01:48,195 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 219 321) no Hoare annotation was computed. [2019-11-07 01:01:48,199 INFO L443 ceAbstractionStarter]: For program point L284(line 284) no Hoare annotation was computed. [2019-11-07 01:01:48,199 INFO L443 ceAbstractionStarter]: For program point L284-1(line 284) no Hoare annotation was computed. [2019-11-07 01:01:48,199 INFO L443 ceAbstractionStarter]: For program point L243(lines 243 247) no Hoare annotation was computed. [2019-11-07 01:01:48,199 INFO L443 ceAbstractionStarter]: For program point L307(lines 307 318) no Hoare annotation was computed. [2019-11-07 01:01:48,199 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 219 321) no Hoare annotation was computed. [2019-11-07 01:01:48,199 INFO L443 ceAbstractionStarter]: For program point L270(lines 270 274) no Hoare annotation was computed. [2019-11-07 01:01:48,199 INFO L443 ceAbstractionStarter]: For program point L268-2(lines 268 288) no Hoare annotation was computed. [2019-11-07 01:01:48,199 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 447 456) no Hoare annotation was computed. [2019-11-07 01:01:48,199 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 447 456) no Hoare annotation was computed. [2019-11-07 01:01:48,200 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 447 456) no Hoare annotation was computed. [2019-11-07 01:01:48,200 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:01:48,200 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-11-07 01:01:48,200 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:01:48,200 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 560 576) no Hoare annotation was computed. [2019-11-07 01:01:48,200 INFO L443 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2019-11-07 01:01:48,200 INFO L443 ceAbstractionStarter]: For program point L571-1(lines 560 576) no Hoare annotation was computed. [2019-11-07 01:01:48,200 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 560 576) no Hoare annotation was computed. [2019-11-07 01:01:48,200 INFO L443 ceAbstractionStarter]: For program point L567(lines 567 573) no Hoare annotation was computed. [2019-11-07 01:01:48,200 INFO L443 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-11-07 01:01:48,201 INFO L443 ceAbstractionStarter]: For program point L565-1(line 565) no Hoare annotation was computed. [2019-11-07 01:01:48,201 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 756 764) the Hoare annotation is: true [2019-11-07 01:01:48,201 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 756 764) no Hoare annotation was computed. [2019-11-07 01:01:48,201 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 756 764) no Hoare annotation was computed. [2019-11-07 01:01:48,201 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:01:48,201 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-11-07 01:01:48,201 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:01:48,201 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 712 723) the Hoare annotation is: true [2019-11-07 01:01:48,201 INFO L443 ceAbstractionStarter]: For program point L716-1(lines 712 723) no Hoare annotation was computed. [2019-11-07 01:01:48,201 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 712 723) no Hoare annotation was computed. [2019-11-07 01:01:48,201 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 724 732) no Hoare annotation was computed. [2019-11-07 01:01:48,201 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 724 732) no Hoare annotation was computed. [2019-11-07 01:01:48,201 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 724 732) no Hoare annotation was computed. [2019-11-07 01:01:48,201 INFO L446 ceAbstractionStarter]: At program point L507(line 507) the Hoare annotation is: true [2019-11-07 01:01:48,202 INFO L446 ceAbstractionStarter]: At program point L505(lines 505 511) the Hoare annotation is: true [2019-11-07 01:01:48,202 INFO L446 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: true [2019-11-07 01:01:48,202 INFO L443 ceAbstractionStarter]: For program point L498(lines 497 516) no Hoare annotation was computed. [2019-11-07 01:01:48,202 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 494 517) the Hoare annotation is: true [2019-11-07 01:01:48,202 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 494 517) no Hoare annotation was computed. [2019-11-07 01:01:48,202 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 494 517) no Hoare annotation was computed. [2019-11-07 01:01:48,202 INFO L446 ceAbstractionStarter]: At program point L801(lines 776 805) the Hoare annotation is: true [2019-11-07 01:01:48,202 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 776 805) no Hoare annotation was computed. [2019-11-07 01:01:48,202 INFO L443 ceAbstractionStarter]: For program point L797(line 797) no Hoare annotation was computed. [2019-11-07 01:01:48,202 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 776 805) the Hoare annotation is: true [2019-11-07 01:01:48,203 INFO L443 ceAbstractionStarter]: For program point L790(lines 790 794) no Hoare annotation was computed. [2019-11-07 01:01:48,203 INFO L446 ceAbstractionStarter]: At program point L790-1(lines 790 794) the Hoare annotation is: true [2019-11-07 01:01:48,203 INFO L443 ceAbstractionStarter]: For program point L787(line 787) no Hoare annotation was computed. [2019-11-07 01:01:48,203 INFO L446 ceAbstractionStarter]: At program point L786-2(lines 786 800) the Hoare annotation is: true [2019-11-07 01:01:48,203 INFO L446 ceAbstractionStarter]: At program point L782(line 782) the Hoare annotation is: true [2019-11-07 01:01:48,203 INFO L443 ceAbstractionStarter]: For program point L782-1(line 782) no Hoare annotation was computed. [2019-11-07 01:01:48,203 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 688 699) the Hoare annotation is: true [2019-11-07 01:01:48,204 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 688 699) no Hoare annotation was computed. [2019-11-07 01:01:48,204 INFO L443 ceAbstractionStarter]: For program point L692-1(lines 688 699) no Hoare annotation was computed. [2019-11-07 01:01:48,204 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 830 836) no Hoare annotation was computed. [2019-11-07 01:01:48,204 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 830 836) the Hoare annotation is: true [2019-11-07 01:01:48,204 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:01:48,204 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-11-07 01:01:48,204 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 01:01:48,204 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:01:48,205 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 675 682) no Hoare annotation was computed. [2019-11-07 01:01:48,205 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 675 682) the Hoare annotation is: true [2019-11-07 01:01:48,205 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 675 682) no Hoare annotation was computed. [2019-11-07 01:01:48,205 INFO L443 ceAbstractionStarter]: For program point L704-1(lines 700 711) no Hoare annotation was computed. [2019-11-07 01:01:48,205 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 700 711) no Hoare annotation was computed. [2019-11-07 01:01:48,205 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 700 711) the Hoare annotation is: true [2019-11-07 01:01:48,205 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2019-11-07 01:01:48,205 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-11-07 01:01:48,206 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-11-07 01:01:48,206 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-07 01:01:48,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:01:48 BoogieIcfgContainer [2019-11-07 01:01:48,215 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 01:01:48,218 INFO L168 Benchmark]: Toolchain (without parser) took 6288.65 ms. Allocated memory was 143.7 MB in the beginning and 296.7 MB in the end (delta: 153.1 MB). Free memory was 100.7 MB in the beginning and 176.0 MB in the end (delta: -75.3 MB). Peak memory consumption was 77.8 MB. Max. memory is 7.1 GB. [2019-11-07 01:01:48,219 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 143.7 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-11-07 01:01:48,221 INFO L168 Benchmark]: CACSL2BoogieTranslator took 663.23 ms. Allocated memory was 143.7 MB in the beginning and 201.3 MB in the end (delta: 57.7 MB). Free memory was 100.5 MB in the beginning and 165.8 MB in the end (delta: -65.3 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. [2019-11-07 01:01:48,222 INFO L168 Benchmark]: Boogie Preprocessor took 91.71 ms. Allocated memory is still 201.3 MB. Free memory was 165.8 MB in the beginning and 161.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-11-07 01:01:48,228 INFO L168 Benchmark]: RCFGBuilder took 1212.45 ms. Allocated memory was 201.3 MB in the beginning and 231.7 MB in the end (delta: 30.4 MB). Free memory was 161.6 MB in the beginning and 192.7 MB in the end (delta: -31.1 MB). Peak memory consumption was 82.6 MB. Max. memory is 7.1 GB. [2019-11-07 01:01:48,229 INFO L168 Benchmark]: TraceAbstraction took 4316.05 ms. Allocated memory was 231.7 MB in the beginning and 296.7 MB in the end (delta: 65.0 MB). Free memory was 192.7 MB in the beginning and 176.0 MB in the end (delta: 16.7 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB. [2019-11-07 01:01:48,236 INFO L335 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 143.7 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 663.23 ms. Allocated memory was 143.7 MB in the beginning and 201.3 MB in the end (delta: 57.7 MB). Free memory was 100.5 MB in the beginning and 165.8 MB in the end (delta: -65.3 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 91.71 ms. Allocated memory is still 201.3 MB. Free memory was 165.8 MB in the beginning and 161.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1212.45 ms. Allocated memory was 201.3 MB in the beginning and 231.7 MB in the end (delta: 30.4 MB). Free memory was 161.6 MB in the beginning and 192.7 MB in the end (delta: -31.1 MB). Peak memory consumption was 82.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4316.05 ms. Allocated memory was 231.7 MB in the beginning and 296.7 MB in the end (delta: 65.0 MB). Free memory was 192.7 MB in the beginning and 176.0 MB in the end (delta: 16.7 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 786]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 231 locations, 1 error locations. Result: SAFE, OverallTime: 4.2s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 643 SDtfs, 500 SDslu, 1467 SDs, 0 SdLazy, 494 SolverSat, 117 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 243 GetRequests, 193 SyntacticMatches, 8 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=564occurred 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, 6 MinimizatonAttempts, 36 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 547 PreInvPairs, 548 NumberOfFragments, 56 HoareAnnotationTreeSize, 547 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 54 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 441 NumberOfCodeBlocks, 441 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 522 ConstructedInterpolants, 0 QuantifiedInterpolants, 79368 SizeOfPredicates, 3 NumberOfNonLiveVariables, 757 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 64/72 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 130, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 1.0795454545454546, AVG_WEAKENED_CONJUNCTS: 0.0, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...