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_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:21:48,492 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:21:48,495 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:21:48,515 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:21:48,515 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:21:48,517 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:21:48,519 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:21:48,528 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:21:48,532 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:21:48,537 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:21:48,538 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:21:48,540 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:21:48,540 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:21:48,542 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:21:48,545 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:21:48,546 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:21:48,548 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:21:48,548 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:21:48,550 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:21:48,555 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:21:48,559 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:21:48,562 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:21:48,564 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:21:48,565 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:21:48,567 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:21:48,567 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:21:48,568 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:21:48,569 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:21:48,571 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:21:48,572 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:21:48,572 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:21:48,573 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:21:48,573 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:21:48,574 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:21:48,576 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:21:48,576 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:21:48,576 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:21:48,577 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:21:48,577 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:21:48,578 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:21:48,579 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:21:48,580 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 [2019-10-13 21:21:48,603 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:21:48,604 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:21:48,605 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:21:48,605 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:21:48,605 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:21:48,606 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:21:48,606 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:21:48,606 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:21:48,606 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:21:48,607 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:21:48,607 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:21:48,607 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:21:48,607 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:21:48,607 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:21:48,607 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:21:48,608 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:21:48,608 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:21:48,608 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:21:48,608 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:21:48,608 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:21:48,609 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:21:48,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:21:48,609 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:21:48,609 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:21:48,609 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:21:48,610 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:21:48,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:21:48,610 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:21:48,610 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 [2019-10-13 21:21:48,887 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:21:48,900 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:21:48,904 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:21:48,906 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:21:48,906 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:21:48,907 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product17.cil.c [2019-10-13 21:21:48,988 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb9008be5/1333233b50334c6d8141fc829371b78c/FLAGc271c99c6 [2019-10-13 21:21:49,506 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:21:49,507 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product17.cil.c [2019-10-13 21:21:49,519 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb9008be5/1333233b50334c6d8141fc829371b78c/FLAGc271c99c6 [2019-10-13 21:21:49,820 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb9008be5/1333233b50334c6d8141fc829371b78c [2019-10-13 21:21:49,831 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:21:49,832 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:21:49,833 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:21:49,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:21:49,837 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:21:49,838 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:21:49" (1/1) ... [2019-10-13 21:21:49,840 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46029d64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:49, skipping insertion in model container [2019-10-13 21:21:49,840 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:21:49" (1/1) ... [2019-10-13 21:21:49,847 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:21:49,888 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:21:50,363 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:21:50,377 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:21:50,462 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:21:50,502 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:21:50,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:50 WrapperNode [2019-10-13 21:21:50,502 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:21:50,503 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:21:50,503 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:21:50,503 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:21:50,513 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:50" (1/1) ... [2019-10-13 21:21:50,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:50" (1/1) ... [2019-10-13 21:21:50,532 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:50" (1/1) ... [2019-10-13 21:21:50,532 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:50" (1/1) ... [2019-10-13 21:21:50,565 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:50" (1/1) ... [2019-10-13 21:21:50,575 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:50" (1/1) ... [2019-10-13 21:21:50,580 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:50" (1/1) ... [2019-10-13 21:21:50,588 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:21:50,588 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:21:50,589 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:21:50,589 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:21:50,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:50" (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 [2019-10-13 21:21:50,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:21:50,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:21:50,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:21:50,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-13 21:21:50,674 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:21:50,675 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:21:50,675 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:21:50,676 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:21:50,677 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:21:50,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:21:50,678 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:21:50,678 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:21:50,679 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:21:50,681 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:21:50,681 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:21:50,681 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:21:50,683 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:21:50,683 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:21:50,684 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:21:50,684 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:21:50,684 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:21:50,684 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:21:50,684 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:21:50,684 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 21:21:50,685 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:21:50,685 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:21:50,685 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:21:50,685 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:21:50,685 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:21:50,686 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:21:50,686 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 21:21:50,686 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:21:50,686 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:21:50,686 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:21:50,686 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:21:50,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:21:50,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:21:50,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:21:50,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:21:50,687 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:21:50,688 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:21:50,688 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:21:50,688 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:21:50,688 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-13 21:21:50,688 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:21:50,688 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:21:50,688 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:21:50,689 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:21:50,689 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:21:50,689 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:21:50,689 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:21:50,689 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:21:50,689 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:21:50,689 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:21:50,690 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:21:50,690 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:21:50,690 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:21:50,690 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:21:50,690 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:21:50,690 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:21:50,690 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:21:50,691 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 21:21:50,691 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:21:50,691 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:21:50,692 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:21:50,692 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:21:50,692 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 21:21:50,692 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:21:50,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:21:50,692 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:21:50,692 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:21:50,693 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:21:50,693 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:21:50,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:21:50,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:21:50,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:21:50,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:21:50,694 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:21:50,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:21:50,695 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:21:50,695 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:21:50,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:21:50,696 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:21:50,696 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:21:50,696 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:21:50,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:21:50,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:21:50,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:21:51,796 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:21:51,797 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:21:51,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:21:51 BoogieIcfgContainer [2019-10-13 21:21:51,798 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:21:51,800 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:21:51,800 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:21:51,803 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:21:51,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:21:49" (1/3) ... [2019-10-13 21:21:51,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78c074f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:21:51, skipping insertion in model container [2019-10-13 21:21:51,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:50" (2/3) ... [2019-10-13 21:21:51,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78c074f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:21:51, skipping insertion in model container [2019-10-13 21:21:51,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:21:51" (3/3) ... [2019-10-13 21:21:51,807 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product17.cil.c [2019-10-13 21:21:51,817 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:21:51,824 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:21:51,835 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:21:51,864 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:21:51,864 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:21:51,864 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:21:51,865 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:21:51,865 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:21:51,865 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:21:51,865 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:21:51,865 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:21:51,886 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2019-10-13 21:21:51,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 21:21:51,894 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:51,895 INFO L380 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] [2019-10-13 21:21:51,897 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:51,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:51,902 INFO L82 PathProgramCache]: Analyzing trace with hash -11503159, now seen corresponding path program 1 times [2019-10-13 21:21:51,911 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:51,912 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508389695] [2019-10-13 21:21:51,912 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:51,912 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:51,913 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:52,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:52,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:52,298 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508389695] [2019-10-13 21:21:52,299 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:52,300 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:21:52,301 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896597534] [2019-10-13 21:21:52,305 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:21:52,307 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:52,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:21:52,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:21:52,325 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 2 states. [2019-10-13 21:21:52,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:52,375 INFO L93 Difference]: Finished difference Result 208 states and 259 transitions. [2019-10-13 21:21:52,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:21:52,380 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-13 21:21:52,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:52,402 INFO L225 Difference]: With dead ends: 208 [2019-10-13 21:21:52,402 INFO L226 Difference]: Without dead ends: 104 [2019-10-13 21:21:52,408 INFO L600 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 [2019-10-13 21:21:52,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2019-10-13 21:21:52,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2019-10-13 21:21:52,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2019-10-13 21:21:52,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 121 transitions. [2019-10-13 21:21:52,513 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 121 transitions. Word has length 46 [2019-10-13 21:21:52,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:52,514 INFO L462 AbstractCegarLoop]: Abstraction has 104 states and 121 transitions. [2019-10-13 21:21:52,514 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:21:52,514 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 121 transitions. [2019-10-13 21:21:52,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 21:21:52,518 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:52,518 INFO L380 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] [2019-10-13 21:21:52,520 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:52,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:52,522 INFO L82 PathProgramCache]: Analyzing trace with hash -916860037, now seen corresponding path program 1 times [2019-10-13 21:21:52,522 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:52,522 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476456149] [2019-10-13 21:21:52,522 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:52,522 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:52,523 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:52,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:52,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:52,651 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476456149] [2019-10-13 21:21:52,652 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:52,652 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:21:52,652 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373588270] [2019-10-13 21:21:52,654 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:21:52,654 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:52,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:21:52,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:21:52,655 INFO L87 Difference]: Start difference. First operand 104 states and 121 transitions. Second operand 3 states. [2019-10-13 21:21:52,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:52,673 INFO L93 Difference]: Finished difference Result 157 states and 181 transitions. [2019-10-13 21:21:52,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:21:52,674 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-13 21:21:52,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:52,676 INFO L225 Difference]: With dead ends: 157 [2019-10-13 21:21:52,676 INFO L226 Difference]: Without dead ends: 95 [2019-10-13 21:21:52,677 INFO L600 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 [2019-10-13 21:21:52,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2019-10-13 21:21:52,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2019-10-13 21:21:52,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-10-13 21:21:52,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 109 transitions. [2019-10-13 21:21:52,689 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 109 transitions. Word has length 47 [2019-10-13 21:21:52,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:52,690 INFO L462 AbstractCegarLoop]: Abstraction has 95 states and 109 transitions. [2019-10-13 21:21:52,690 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:21:52,690 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2019-10-13 21:21:52,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-13 21:21:52,692 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:52,692 INFO L380 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] [2019-10-13 21:21:52,693 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:52,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:52,693 INFO L82 PathProgramCache]: Analyzing trace with hash 70257927, now seen corresponding path program 1 times [2019-10-13 21:21:52,693 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:52,693 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473757985] [2019-10-13 21:21:52,694 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:52,694 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:52,694 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:52,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:52,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:52,873 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473757985] [2019-10-13 21:21:52,873 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:52,873 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:21:52,873 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311806734] [2019-10-13 21:21:52,874 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:21:52,874 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:52,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:21:52,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:21:52,875 INFO L87 Difference]: Start difference. First operand 95 states and 109 transitions. Second operand 7 states. [2019-10-13 21:21:53,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:53,133 INFO L93 Difference]: Finished difference Result 166 states and 195 transitions. [2019-10-13 21:21:53,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:21:53,134 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-10-13 21:21:53,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:53,137 INFO L225 Difference]: With dead ends: 166 [2019-10-13 21:21:53,137 INFO L226 Difference]: Without dead ends: 95 [2019-10-13 21:21:53,138 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:21:53,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2019-10-13 21:21:53,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2019-10-13 21:21:53,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-10-13 21:21:53,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 108 transitions. [2019-10-13 21:21:53,151 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 108 transitions. Word has length 51 [2019-10-13 21:21:53,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:53,152 INFO L462 AbstractCegarLoop]: Abstraction has 95 states and 108 transitions. [2019-10-13 21:21:53,152 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:21:53,152 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 108 transitions. [2019-10-13 21:21:53,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-13 21:21:53,154 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:53,154 INFO L380 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] [2019-10-13 21:21:53,154 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:53,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:53,155 INFO L82 PathProgramCache]: Analyzing trace with hash 1578513704, now seen corresponding path program 1 times [2019-10-13 21:21:53,155 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:53,155 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025572608] [2019-10-13 21:21:53,155 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:53,156 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:53,156 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:53,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:53,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:53,369 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025572608] [2019-10-13 21:21:53,369 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:53,370 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 21:21:53,370 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859641865] [2019-10-13 21:21:53,371 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 21:21:53,371 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:53,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 21:21:53,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:21:53,372 INFO L87 Difference]: Start difference. First operand 95 states and 108 transitions. Second operand 10 states. [2019-10-13 21:21:53,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:53,911 INFO L93 Difference]: Finished difference Result 288 states and 353 transitions. [2019-10-13 21:21:53,911 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-13 21:21:53,911 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 59 [2019-10-13 21:21:53,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:53,915 INFO L225 Difference]: With dead ends: 288 [2019-10-13 21:21:53,915 INFO L226 Difference]: Without dead ends: 217 [2019-10-13 21:21:53,917 INFO L600 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 [2019-10-13 21:21:53,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2019-10-13 21:21:53,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 213. [2019-10-13 21:21:53,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2019-10-13 21:21:53,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 252 transitions. [2019-10-13 21:21:53,954 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 252 transitions. Word has length 59 [2019-10-13 21:21:53,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:53,955 INFO L462 AbstractCegarLoop]: Abstraction has 213 states and 252 transitions. [2019-10-13 21:21:53,955 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 21:21:53,955 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 252 transitions. [2019-10-13 21:21:53,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-10-13 21:21:53,965 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:53,965 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:53,965 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:53,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:53,966 INFO L82 PathProgramCache]: Analyzing trace with hash 927496270, now seen corresponding path program 1 times [2019-10-13 21:21:53,966 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:53,966 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966010812] [2019-10-13 21:21:53,966 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:53,966 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:53,967 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:53,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:54,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:54,034 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966010812] [2019-10-13 21:21:54,034 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:54,035 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:21:54,035 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914383048] [2019-10-13 21:21:54,035 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:21:54,036 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:54,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:21:54,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:21:54,036 INFO L87 Difference]: Start difference. First operand 213 states and 252 transitions. Second operand 3 states. [2019-10-13 21:21:54,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:54,054 INFO L93 Difference]: Finished difference Result 338 states and 409 transitions. [2019-10-13 21:21:54,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:21:54,055 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2019-10-13 21:21:54,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:54,056 INFO L225 Difference]: With dead ends: 338 [2019-10-13 21:21:54,056 INFO L226 Difference]: Without dead ends: 149 [2019-10-13 21:21:54,058 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:21:54,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2019-10-13 21:21:54,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2019-10-13 21:21:54,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2019-10-13 21:21:54,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 167 transitions. [2019-10-13 21:21:54,076 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 167 transitions. Word has length 63 [2019-10-13 21:21:54,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:54,077 INFO L462 AbstractCegarLoop]: Abstraction has 149 states and 167 transitions. [2019-10-13 21:21:54,077 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:21:54,080 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 167 transitions. [2019-10-13 21:21:54,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-10-13 21:21:54,082 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:54,082 INFO L380 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, 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] [2019-10-13 21:21:54,082 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:54,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:54,083 INFO L82 PathProgramCache]: Analyzing trace with hash 368759171, now seen corresponding path program 1 times [2019-10-13 21:21:54,083 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:54,083 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423803717] [2019-10-13 21:21:54,083 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:54,083 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:54,083 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:54,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:54,223 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-10-13 21:21:54,224 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423803717] [2019-10-13 21:21:54,224 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [306592459] [2019-10-13 21:21:54,224 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 [2019-10-13 21:21:54,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:54,449 INFO L256 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-13 21:21:54,460 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:21:54,577 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 28 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:21:54,577 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:21:54,708 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:21:54,718 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:21:54,834 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-13 21:21:54,834 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [499981537] [2019-10-13 21:21:54,841 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 99 [2019-10-13 21:21:54,894 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-13 21:21:54,895 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-13 21:21:54,972 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-13 21:21:54,974 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 69 root evaluator evaluations with a maximum evaluation depth of 0. Performed 69 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 126 variables. [2019-10-13 21:21:54,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:54,978 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-13 21:21:55,020 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-13 21:21:55,020 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-13 21:21:55,023 INFO L553 sIntCurrentIteration]: We unified 97 AI predicates to 97 [2019-10-13 21:21:55,023 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-13 21:21:55,024 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-13 21:21:55,024 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7, 7, 8] total 15 [2019-10-13 21:21:55,024 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236611883] [2019-10-13 21:21:55,025 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:21:55,026 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:55,026 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-13 21:21:55,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:21:55,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:21:55,027 INFO L87 Difference]: Start difference. First operand 149 states and 167 transitions. Second operand 2 states. [2019-10-13 21:21:55,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:55,029 INFO L93 Difference]: Finished difference Result 149 states and 167 transitions. [2019-10-13 21:21:55,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:21:55,030 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 98 [2019-10-13 21:21:55,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:55,030 INFO L225 Difference]: With dead ends: 149 [2019-10-13 21:21:55,030 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:21:55,031 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:21:55,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:21:55,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:21:55,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:21:55,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:21:55,032 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 98 [2019-10-13 21:21:55,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:55,032 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:21:55,032 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:21:55,032 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:21:55,032 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:21:55,237 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:21:55,244 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:21:55,417 INFO L443 ceAbstractionStarter]: For program point L607(line 607) no Hoare annotation was computed. [2019-10-13 21:21:55,417 INFO L443 ceAbstractionStarter]: For program point L606-2(lines 606 627) no Hoare annotation was computed. [2019-10-13 21:21:55,417 INFO L443 ceAbstractionStarter]: For program point L628(lines 605 629) no Hoare annotation was computed. [2019-10-13 21:21:55,418 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 581 636) no Hoare annotation was computed. [2019-10-13 21:21:55,418 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 581 636) no Hoare annotation was computed. [2019-10-13 21:21:55,418 INFO L443 ceAbstractionStarter]: For program point L612(lines 612 616) no Hoare annotation was computed. [2019-10-13 21:21:55,418 INFO L443 ceAbstractionStarter]: For program point L612-1(lines 612 616) no Hoare annotation was computed. [2019-10-13 21:21:55,418 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 581 636) no Hoare annotation was computed. [2019-10-13 21:21:55,418 INFO L443 ceAbstractionStarter]: For program point L669(lines 669 673) no Hoare annotation was computed. [2019-10-13 21:21:55,418 INFO L443 ceAbstractionStarter]: For program point L669-1(lines 669 673) no Hoare annotation was computed. [2019-10-13 21:21:55,418 INFO L443 ceAbstractionStarter]: For program point L664(line 664) no Hoare annotation was computed. [2019-10-13 21:21:55,419 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 637 696) no Hoare annotation was computed. [2019-10-13 21:21:55,419 INFO L443 ceAbstractionStarter]: For program point L663-2(lines 663 688) no Hoare annotation was computed. [2019-10-13 21:21:55,419 INFO L443 ceAbstractionStarter]: For program point L689(lines 662 690) no Hoare annotation was computed. [2019-10-13 21:21:55,419 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 637 696) no Hoare annotation was computed. [2019-10-13 21:21:55,419 INFO L443 ceAbstractionStarter]: For program point L682(line 682) no Hoare annotation was computed. [2019-10-13 21:21:55,419 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 637 696) no Hoare annotation was computed. [2019-10-13 21:21:55,419 INFO L443 ceAbstractionStarter]: For program point L682-1(line 682) no Hoare annotation was computed. [2019-10-13 21:21:55,420 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 200 206) the Hoare annotation is: true [2019-10-13 21:21:55,420 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 200 206) no Hoare annotation was computed. [2019-10-13 21:21:55,420 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 207 215) no Hoare annotation was computed. [2019-10-13 21:21:55,422 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 207 215) the Hoare annotation is: true [2019-10-13 21:21:55,422 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 207 215) no Hoare annotation was computed. [2019-10-13 21:21:55,422 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2019-10-13 21:21:55,423 INFO L446 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: true [2019-10-13 21:21:55,423 INFO L443 ceAbstractionStarter]: For program point L55(lines 55 61) no Hoare annotation was computed. [2019-10-13 21:21:55,423 INFO L446 ceAbstractionStarter]: At program point L53(line 53) the Hoare annotation is: true [2019-10-13 21:21:55,423 INFO L443 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2019-10-13 21:21:55,423 INFO L443 ceAbstractionStarter]: For program point L51(lines 51 64) no Hoare annotation was computed. [2019-10-13 21:21:55,423 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2019-10-13 21:21:55,423 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2019-10-13 21:21:55,424 INFO L446 ceAbstractionStarter]: At program point L49(line 49) the Hoare annotation is: true [2019-10-13 21:21:55,424 INFO L443 ceAbstractionStarter]: For program point L49-1(line 49) no Hoare annotation was computed. [2019-10-13 21:21:55,424 INFO L446 ceAbstractionStarter]: At program point L161(line 161) the Hoare annotation is: true [2019-10-13 21:21:55,424 INFO L446 ceAbstractionStarter]: At program point L161-1(line 161) the Hoare annotation is: true [2019-10-13 21:21:55,424 INFO L443 ceAbstractionStarter]: For program point L159(lines 159 166) no Hoare annotation was computed. [2019-10-13 21:21:55,424 INFO L443 ceAbstractionStarter]: For program point L159-1(lines 159 166) no Hoare annotation was computed. [2019-10-13 21:21:55,424 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 149 171) the Hoare annotation is: true [2019-10-13 21:21:55,424 INFO L443 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-10-13 21:21:55,425 INFO L446 ceAbstractionStarter]: At program point L156(line 156) the Hoare annotation is: true [2019-10-13 21:21:55,425 INFO L446 ceAbstractionStarter]: At program point L155(line 155) the Hoare annotation is: true [2019-10-13 21:21:55,425 INFO L446 ceAbstractionStarter]: At program point L155-1(line 155) the Hoare annotation is: true [2019-10-13 21:21:55,425 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 149 171) no Hoare annotation was computed. [2019-10-13 21:21:55,427 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 149 171) no Hoare annotation was computed. [2019-10-13 21:21:55,427 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 104 127) no Hoare annotation was computed. [2019-10-13 21:21:55,427 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 104 127) no Hoare annotation was computed. [2019-10-13 21:21:55,427 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 104 127) no Hoare annotation was computed. [2019-10-13 21:21:55,427 INFO L443 ceAbstractionStarter]: For program point L122(line 122) no Hoare annotation was computed. [2019-10-13 21:21:55,427 INFO L443 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-10-13 21:21:55,428 INFO L443 ceAbstractionStarter]: For program point L120(line 120) no Hoare annotation was computed. [2019-10-13 21:21:55,428 INFO L443 ceAbstractionStarter]: For program point L119(line 119) no Hoare annotation was computed. [2019-10-13 21:21:55,428 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-10-13 21:21:55,428 INFO L443 ceAbstractionStarter]: For program point L117(line 117) no Hoare annotation was computed. [2019-10-13 21:21:55,428 INFO L443 ceAbstractionStarter]: For program point L116(line 116) no Hoare annotation was computed. [2019-10-13 21:21:55,428 INFO L443 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-10-13 21:21:55,428 INFO L443 ceAbstractionStarter]: For program point L114(line 114) no Hoare annotation was computed. [2019-10-13 21:21:55,428 INFO L443 ceAbstractionStarter]: For program point L113(line 113) no Hoare annotation was computed. [2019-10-13 21:21:55,428 INFO L443 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-10-13 21:21:55,429 INFO L443 ceAbstractionStarter]: For program point L111(line 111) no Hoare annotation was computed. [2019-10-13 21:21:55,429 INFO L443 ceAbstractionStarter]: For program point L110(line 110) no Hoare annotation was computed. [2019-10-13 21:21:55,429 INFO L443 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-10-13 21:21:55,429 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 375 383) no Hoare annotation was computed. [2019-10-13 21:21:55,429 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 375 383) the Hoare annotation is: true [2019-10-13 21:21:55,429 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 375 383) no Hoare annotation was computed. [2019-10-13 21:21:55,429 INFO L443 ceAbstractionStarter]: For program point L429(lines 429 433) no Hoare annotation was computed. [2019-10-13 21:21:55,430 INFO L446 ceAbstractionStarter]: At program point L427(line 427) the Hoare annotation is: true [2019-10-13 21:21:55,430 INFO L443 ceAbstractionStarter]: For program point L429-2(lines 429 433) no Hoare annotation was computed. [2019-10-13 21:21:55,430 INFO L443 ceAbstractionStarter]: For program point L427-1(line 427) no Hoare annotation was computed. [2019-10-13 21:21:55,430 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 420 438) the Hoare annotation is: true [2019-10-13 21:21:55,430 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 420 438) no Hoare annotation was computed. [2019-10-13 21:21:55,430 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 420 438) no Hoare annotation was computed. [2019-10-13 21:21:55,430 INFO L443 ceAbstractionStarter]: For program point L414(line 414) no Hoare annotation was computed. [2019-10-13 21:21:55,430 INFO L443 ceAbstractionStarter]: For program point L414-1(line 414) no Hoare annotation was computed. [2019-10-13 21:21:55,430 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 411) no Hoare annotation was computed. [2019-10-13 21:21:55,431 INFO L443 ceAbstractionStarter]: For program point L403-2(lines 403 411) no Hoare annotation was computed. [2019-10-13 21:21:55,431 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 384 419) no Hoare annotation was computed. [2019-10-13 21:21:55,431 INFO L443 ceAbstractionStarter]: For program point L391(lines 391 399) no Hoare annotation was computed. [2019-10-13 21:21:55,431 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 384 419) no Hoare annotation was computed. [2019-10-13 21:21:55,431 INFO L443 ceAbstractionStarter]: For program point L391-2(lines 391 399) no Hoare annotation was computed. [2019-10-13 21:21:55,431 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 384 419) no Hoare annotation was computed. [2019-10-13 21:21:55,431 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 193 199) no Hoare annotation was computed. [2019-10-13 21:21:55,431 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 193 199) the Hoare annotation is: true [2019-10-13 21:21:55,432 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 535 580) no Hoare annotation was computed. [2019-10-13 21:21:55,432 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 535 580) no Hoare annotation was computed. [2019-10-13 21:21:55,432 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 535 580) no Hoare annotation was computed. [2019-10-13 21:21:55,432 INFO L443 ceAbstractionStarter]: For program point L862(lines 862 882) no Hoare annotation was computed. [2019-10-13 21:21:55,432 INFO L443 ceAbstractionStarter]: For program point L862-1(lines 862 882) no Hoare annotation was computed. [2019-10-13 21:21:55,432 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 848 893) no Hoare annotation was computed. [2019-10-13 21:21:55,432 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 848 893) no Hoare annotation was computed. [2019-10-13 21:21:55,432 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 848 893) no Hoare annotation was computed. [2019-10-13 21:21:55,432 INFO L443 ceAbstractionStarter]: For program point L868(lines 868 875) no Hoare annotation was computed. [2019-10-13 21:21:55,433 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 136 145) the Hoare annotation is: true [2019-10-13 21:21:55,433 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 136 145) no Hoare annotation was computed. [2019-10-13 21:21:55,433 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 136 145) no Hoare annotation was computed. [2019-10-13 21:21:55,433 INFO L443 ceAbstractionStarter]: For program point L369(line 369) no Hoare annotation was computed. [2019-10-13 21:21:55,433 INFO L443 ceAbstractionStarter]: For program point L369-1(line 369) no Hoare annotation was computed. [2019-10-13 21:21:55,433 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 364 374) no Hoare annotation was computed. [2019-10-13 21:21:55,433 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 364 374) no Hoare annotation was computed. [2019-10-13 21:21:55,433 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 364 374) no Hoare annotation was computed. [2019-10-13 21:21:55,433 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 356 363) the Hoare annotation is: true [2019-10-13 21:21:55,434 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 356 363) no Hoare annotation was computed. [2019-10-13 21:21:55,434 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 356 363) no Hoare annotation was computed. [2019-10-13 21:21:55,434 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 323 347) no Hoare annotation was computed. [2019-10-13 21:21:55,434 INFO L446 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: true [2019-10-13 21:21:55,434 INFO L443 ceAbstractionStarter]: For program point L342-1(lines 323 347) no Hoare annotation was computed. [2019-10-13 21:21:55,434 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 323 347) the Hoare annotation is: true [2019-10-13 21:21:55,434 INFO L446 ceAbstractionStarter]: At program point L337(line 337) the Hoare annotation is: true [2019-10-13 21:21:55,434 INFO L446 ceAbstractionStarter]: At program point L333(line 333) the Hoare annotation is: true [2019-10-13 21:21:55,434 INFO L443 ceAbstractionStarter]: For program point L331(lines 331 339) no Hoare annotation was computed. [2019-10-13 21:21:55,435 INFO L446 ceAbstractionStarter]: At program point L329(line 329) the Hoare annotation is: true [2019-10-13 21:21:55,435 INFO L443 ceAbstractionStarter]: For program point L329-1(line 329) no Hoare annotation was computed. [2019-10-13 21:21:55,435 INFO L443 ceAbstractionStarter]: For program point L327(lines 327 344) no Hoare annotation was computed. [2019-10-13 21:21:55,435 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 315 321) no Hoare annotation was computed. [2019-10-13 21:21:55,435 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 315 321) the Hoare annotation is: true [2019-10-13 21:21:55,435 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 217 280) the Hoare annotation is: true [2019-10-13 21:21:55,435 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 217 280) no Hoare annotation was computed. [2019-10-13 21:21:55,435 INFO L446 ceAbstractionStarter]: At program point L273(lines 226 274) the Hoare annotation is: true [2019-10-13 21:21:55,436 INFO L443 ceAbstractionStarter]: For program point L263(lines 263 267) no Hoare annotation was computed. [2019-10-13 21:21:55,436 INFO L446 ceAbstractionStarter]: At program point L263-2(lines 257 268) the Hoare annotation is: true [2019-10-13 21:21:55,436 INFO L443 ceAbstractionStarter]: For program point L228(lines 227 272) no Hoare annotation was computed. [2019-10-13 21:21:55,436 INFO L443 ceAbstractionStarter]: For program point L257(lines 257 268) no Hoare annotation was computed. [2019-10-13 21:21:55,436 INFO L446 ceAbstractionStarter]: At program point L249(line 249) the Hoare annotation is: true [2019-10-13 21:21:55,436 INFO L443 ceAbstractionStarter]: For program point L247(lines 247 253) no Hoare annotation was computed. [2019-10-13 21:21:55,436 INFO L443 ceAbstractionStarter]: For program point L247-1(lines 247 253) no Hoare annotation was computed. [2019-10-13 21:21:55,436 INFO L446 ceAbstractionStarter]: At program point L239(line 239) the Hoare annotation is: true [2019-10-13 21:21:55,437 INFO L446 ceAbstractionStarter]: At program point L270(lines 227 272) the Hoare annotation is: true [2019-10-13 21:21:55,437 INFO L443 ceAbstractionStarter]: For program point L237(lines 237 243) no Hoare annotation was computed. [2019-10-13 21:21:55,437 INFO L443 ceAbstractionStarter]: For program point L237-1(lines 237 243) no Hoare annotation was computed. [2019-10-13 21:21:55,437 INFO L443 ceAbstractionStarter]: For program point L229(lines 229 233) no Hoare annotation was computed. [2019-10-13 21:21:55,437 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 217 280) no Hoare annotation was computed. [2019-10-13 21:21:55,437 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 802 847) no Hoare annotation was computed. [2019-10-13 21:21:55,437 INFO L443 ceAbstractionStarter]: For program point L822(lines 822 829) no Hoare annotation was computed. [2019-10-13 21:21:55,437 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 802 847) no Hoare annotation was computed. [2019-10-13 21:21:55,437 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 802 847) no Hoare annotation was computed. [2019-10-13 21:21:55,438 INFO L443 ceAbstractionStarter]: For program point L816(lines 816 836) no Hoare annotation was computed. [2019-10-13 21:21:55,438 INFO L443 ceAbstractionStarter]: For program point L816-1(lines 816 836) no Hoare annotation was computed. [2019-10-13 21:21:55,438 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 519 527) no Hoare annotation was computed. [2019-10-13 21:21:55,438 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 519 527) the Hoare annotation is: true [2019-10-13 21:21:55,438 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 519 527) no Hoare annotation was computed. [2019-10-13 21:21:55,438 INFO L443 ceAbstractionStarter]: For program point L495(lines 495 503) no Hoare annotation was computed. [2019-10-13 21:21:55,438 INFO L443 ceAbstractionStarter]: For program point L495-2(lines 495 503) no Hoare annotation was computed. [2019-10-13 21:21:55,438 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 487 509) no Hoare annotation was computed. [2019-10-13 21:21:55,438 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 487 509) no Hoare annotation was computed. [2019-10-13 21:21:55,439 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 487 509) no Hoare annotation was computed. [2019-10-13 21:21:55,439 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 183 192) no Hoare annotation was computed. [2019-10-13 21:21:55,439 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 183 192) no Hoare annotation was computed. [2019-10-13 21:21:55,439 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 183 192) no Hoare annotation was computed. [2019-10-13 21:21:55,439 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 699 801) no Hoare annotation was computed. [2019-10-13 21:21:55,439 INFO L443 ceAbstractionStarter]: For program point L764(line 764) no Hoare annotation was computed. [2019-10-13 21:21:55,439 INFO L443 ceAbstractionStarter]: For program point L764-1(line 764) no Hoare annotation was computed. [2019-10-13 21:21:55,439 INFO L443 ceAbstractionStarter]: For program point L723(lines 723 727) no Hoare annotation was computed. [2019-10-13 21:21:55,439 INFO L443 ceAbstractionStarter]: For program point L787(lines 787 798) no Hoare annotation was computed. [2019-10-13 21:21:55,439 INFO L443 ceAbstractionStarter]: For program point L750(lines 750 754) no Hoare annotation was computed. [2019-10-13 21:21:55,440 INFO L443 ceAbstractionStarter]: For program point L748-2(lines 748 768) no Hoare annotation was computed. [2019-10-13 21:21:55,440 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 699 801) no Hoare annotation was computed. [2019-10-13 21:21:55,440 INFO L443 ceAbstractionStarter]: For program point L769(lines 747 770) no Hoare annotation was computed. [2019-10-13 21:21:55,440 INFO L443 ceAbstractionStarter]: For program point L728(lines 728 744) no Hoare annotation was computed. [2019-10-13 21:21:55,440 INFO L443 ceAbstractionStarter]: For program point L788(lines 788 795) no Hoare annotation was computed. [2019-10-13 21:21:55,440 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 699 801) no Hoare annotation was computed. [2019-10-13 21:21:55,440 INFO L443 ceAbstractionStarter]: For program point L749(lines 748 768) no Hoare annotation was computed. [2019-10-13 21:21:55,440 INFO L443 ceAbstractionStarter]: For program point L780(line 780) no Hoare annotation was computed. [2019-10-13 21:21:55,440 INFO L443 ceAbstractionStarter]: For program point L780-1(line 780) no Hoare annotation was computed. [2019-10-13 21:21:55,441 INFO L443 ceAbstractionStarter]: For program point L745(lines 745 786) no Hoare annotation was computed. [2019-10-13 21:21:55,441 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:55,441 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:21:55,441 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:55,441 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 348 355) no Hoare annotation was computed. [2019-10-13 21:21:55,441 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 348 355) no Hoare annotation was computed. [2019-10-13 21:21:55,441 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 348 355) no Hoare annotation was computed. [2019-10-13 21:21:55,441 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 510 518) the Hoare annotation is: true [2019-10-13 21:21:55,441 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 510 518) no Hoare annotation was computed. [2019-10-13 21:21:55,442 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 510 518) no Hoare annotation was computed. [2019-10-13 21:21:55,442 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 466 477) the Hoare annotation is: true [2019-10-13 21:21:55,442 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 466 477) no Hoare annotation was computed. [2019-10-13 21:21:55,442 INFO L443 ceAbstractionStarter]: For program point L470-1(lines 466 477) no Hoare annotation was computed. [2019-10-13 21:21:55,442 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:55,442 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:21:55,442 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:55,442 INFO L446 ceAbstractionStarter]: At program point L304(line 304) the Hoare annotation is: true [2019-10-13 21:21:55,443 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 291 314) the Hoare annotation is: true [2019-10-13 21:21:55,443 INFO L446 ceAbstractionStarter]: At program point L302(lines 302 308) the Hoare annotation is: true [2019-10-13 21:21:55,443 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 291 314) no Hoare annotation was computed. [2019-10-13 21:21:55,443 INFO L446 ceAbstractionStarter]: At program point L297(line 297) the Hoare annotation is: true [2019-10-13 21:21:55,443 INFO L443 ceAbstractionStarter]: For program point L295(lines 294 313) no Hoare annotation was computed. [2019-10-13 21:21:55,443 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 291 314) no Hoare annotation was computed. [2019-10-13 21:21:55,443 INFO L446 ceAbstractionStarter]: At program point L96(lines 71 100) the Hoare annotation is: true [2019-10-13 21:21:55,444 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 71 100) no Hoare annotation was computed. [2019-10-13 21:21:55,444 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 71 100) the Hoare annotation is: true [2019-10-13 21:21:55,444 INFO L443 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2019-10-13 21:21:55,444 INFO L443 ceAbstractionStarter]: For program point L85(lines 85 89) no Hoare annotation was computed. [2019-10-13 21:21:55,444 INFO L446 ceAbstractionStarter]: At program point L85-1(lines 85 89) the Hoare annotation is: true [2019-10-13 21:21:55,444 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-13 21:21:55,444 INFO L446 ceAbstractionStarter]: At program point L81-2(lines 81 95) the Hoare annotation is: true [2019-10-13 21:21:55,444 INFO L446 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: true [2019-10-13 21:21:55,444 INFO L443 ceAbstractionStarter]: For program point L77-1(line 77) no Hoare annotation was computed. [2019-10-13 21:21:55,445 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 478 486) no Hoare annotation was computed. [2019-10-13 21:21:55,445 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 478 486) no Hoare annotation was computed. [2019-10-13 21:21:55,445 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 478 486) no Hoare annotation was computed. [2019-10-13 21:21:55,445 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 442 453) the Hoare annotation is: true [2019-10-13 21:21:55,445 INFO L443 ceAbstractionStarter]: For program point L446-1(lines 442 453) no Hoare annotation was computed. [2019-10-13 21:21:55,445 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 442 453) no Hoare annotation was computed. [2019-10-13 21:21:55,445 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 128 134) no Hoare annotation was computed. [2019-10-13 21:21:55,445 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 128 134) the Hoare annotation is: true [2019-10-13 21:21:55,445 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:55,446 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-13 21:21:55,446 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:21:55,446 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:55,446 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 454 465) no Hoare annotation was computed. [2019-10-13 21:21:55,446 INFO L443 ceAbstractionStarter]: For program point L458-1(lines 454 465) no Hoare annotation was computed. [2019-10-13 21:21:55,446 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 454 465) the Hoare annotation is: true [2019-10-13 21:21:55,446 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 177) no Hoare annotation was computed. [2019-10-13 21:21:55,447 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 173 180) no Hoare annotation was computed. [2019-10-13 21:21:55,447 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 173 180) the Hoare annotation is: true [2019-10-13 21:21:55,447 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 173 180) no Hoare annotation was computed. [2019-10-13 21:21:55,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:21:55 BoogieIcfgContainer [2019-10-13 21:21:55,456 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:21:55,459 INFO L168 Benchmark]: Toolchain (without parser) took 5625.87 ms. Allocated memory was 145.2 MB in the beginning and 291.5 MB in the end (delta: 146.3 MB). Free memory was 102.0 MB in the beginning and 235.2 MB in the end (delta: -133.2 MB). Peak memory consumption was 116.9 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:55,460 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 145.2 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-13 21:21:55,461 INFO L168 Benchmark]: CACSL2BoogieTranslator took 669.36 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 101.8 MB in the beginning and 171.5 MB in the end (delta: -69.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:55,462 INFO L168 Benchmark]: Boogie Preprocessor took 85.02 ms. Allocated memory is still 202.9 MB. Free memory was 171.5 MB in the beginning and 167.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:55,462 INFO L168 Benchmark]: RCFGBuilder took 1210.20 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 167.5 MB in the beginning and 202.7 MB in the end (delta: -35.3 MB). Peak memory consumption was 84.1 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:55,463 INFO L168 Benchmark]: TraceAbstraction took 3656.90 ms. Allocated memory was 235.9 MB in the beginning and 291.5 MB in the end (delta: 55.6 MB). Free memory was 202.7 MB in the beginning and 235.2 MB in the end (delta: -32.4 MB). Peak memory consumption was 127.0 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:55,467 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 145.2 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 669.36 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 101.8 MB in the beginning and 171.5 MB in the end (delta: -69.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.02 ms. Allocated memory is still 202.9 MB. Free memory was 171.5 MB in the beginning and 167.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1210.20 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 167.5 MB in the beginning and 202.7 MB in the end (delta: -35.3 MB). Peak memory consumption was 84.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3656.90 ms. Allocated memory was 235.9 MB in the beginning and 291.5 MB in the end (delta: 55.6 MB). Free memory was 202.7 MB in the beginning and 235.2 MB in the end (delta: -32.4 MB). Peak memory consumption was 127.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 177]: 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: 71]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 214 locations, 1 error locations. Result: SAFE, OverallTime: 3.5s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 547 SDtfs, 307 SDslu, 1065 SDs, 0 SdLazy, 358 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 142 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=213occurred 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: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 262 PreInvPairs, 263 NumberOfFragments, 49 HoareAnnotationTreeSize, 262 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 49 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 462 NumberOfCodeBlocks, 462 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 552 ConstructedInterpolants, 0 QuantifiedInterpolants, 87186 SizeOfPredicates, 3 NumberOfNonLiveVariables, 745 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 84/93 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 138, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.9690721649484536, 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...