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_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:21:49,461 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:21:49,463 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:21:49,476 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:21:49,476 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:21:49,477 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:21:49,479 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:21:49,481 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:21:49,482 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:21:49,483 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:21:49,484 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:21:49,485 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:21:49,486 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:21:49,487 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:21:49,488 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:21:49,489 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:21:49,490 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:21:49,491 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:21:49,492 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:21:49,494 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:21:49,495 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:21:49,497 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:21:49,498 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:21:49,499 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:21:49,501 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:21:49,501 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:21:49,501 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:21:49,502 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:21:49,503 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:21:49,505 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:21:49,505 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:21:49,506 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:21:49,508 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:21:49,509 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:21:49,510 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:21:49,511 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:21:49,511 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:21:49,512 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:21:49,512 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:21:49,516 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:21:49,517 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:21:49,520 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 21:21:49,543 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:21:49,543 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:21:49,546 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:21:49,546 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:21:49,546 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:21:49,546 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:21:49,546 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:21:49,547 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:21:49,547 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:21:49,547 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:21:49,548 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:21:49,548 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:21:49,549 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:21:49,549 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:21:49,549 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:21:49,549 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:21:49,550 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:21:49,550 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:21:49,550 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:21:49,550 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:21:49,551 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:21:49,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:21:49,551 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:21:49,551 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:21:49,551 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:21:49,552 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:21:49,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:21:49,552 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:21:49,552 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 21:21:49,851 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:21:49,871 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:21:49,877 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:21:49,879 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:21:49,879 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:21:49,880 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product19.cil.c [2019-10-13 21:21:49,957 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77fecdd90/94e24ffffdfc4cef95be48cfc32c44ce/FLAGdb5278d0b [2019-10-13 21:21:50,541 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:21:50,542 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product19.cil.c [2019-10-13 21:21:50,555 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77fecdd90/94e24ffffdfc4cef95be48cfc32c44ce/FLAGdb5278d0b [2019-10-13 21:21:50,935 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77fecdd90/94e24ffffdfc4cef95be48cfc32c44ce [2019-10-13 21:21:50,945 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:21:50,947 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:21:50,948 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:21:50,948 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:21:50,951 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:21:50,952 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:21:50" (1/1) ... [2019-10-13 21:21:50,955 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@236d9029 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:50, skipping insertion in model container [2019-10-13 21:21:50,955 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:21:50" (1/1) ... [2019-10-13 21:21:50,962 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:21:51,016 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:21:51,456 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:21:51,473 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:21:51,571 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:21:51,611 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:21:51,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:51 WrapperNode [2019-10-13 21:21:51,613 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:21:51,614 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:21:51,614 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:21:51,614 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:21:51,625 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:51" (1/1) ... [2019-10-13 21:21:51,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:51" (1/1) ... [2019-10-13 21:21:51,643 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:51" (1/1) ... [2019-10-13 21:21:51,643 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:51" (1/1) ... [2019-10-13 21:21:51,682 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:51" (1/1) ... [2019-10-13 21:21:51,703 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:51" (1/1) ... [2019-10-13 21:21:51,707 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:51" (1/1) ... [2019-10-13 21:21:51,715 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:21:51,716 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:21:51,716 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:21:51,716 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:21:51,717 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:51" (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 21:21:51,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:21:51,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:21:51,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:21:51,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:21:51,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:21:51,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:21:51,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:21:51,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:21:51,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:21:51,803 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:21:51,804 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:21:51,804 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:21:51,804 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:21:51,805 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:21:51,805 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:21:51,805 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 21:21:51,808 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:21:51,808 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:21:51,808 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:21:51,808 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:21:51,808 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:21:51,809 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:21:51,809 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:21:51,809 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:21:51,809 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 21:21:51,809 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 21:21:51,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:21:51,810 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:21:51,810 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:21:51,810 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:21:51,810 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:21:51,810 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:21:51,810 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:21:51,811 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:21:51,811 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:21:51,811 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:21:51,812 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:21:51,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-13 21:21:51,812 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:21:51,812 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:21:51,813 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:21:51,813 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:21:51,813 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:21:51,813 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:21:51,813 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:21:51,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:21:51,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:21:51,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:21:51,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:21:51,814 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:21:51,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:21:51,814 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:21:51,814 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:21:51,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:21:51,815 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:21:51,815 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:21:51,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:21:51,815 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:21:51,815 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:21:51,815 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:21:51,816 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:21:51,816 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:21:51,816 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:21:51,817 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:21:51,817 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 21:21:51,817 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:21:51,817 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:21:51,817 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:21:51,817 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:21:51,817 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:21:51,818 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 21:21:51,818 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-13 21:21:51,818 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:21:51,819 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:21:51,819 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 21:21:51,819 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:21:51,820 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:21:51,820 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:21:51,820 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:21:51,821 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:21:51,821 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:21:51,821 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:21:51,821 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:21:51,821 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:21:51,822 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:21:51,822 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:21:51,823 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:21:51,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:21:51,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:21:51,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:21:52,933 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:21:52,933 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:21:52,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:21:52 BoogieIcfgContainer [2019-10-13 21:21:52,935 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:21:52,936 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:21:52,936 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:21:52,939 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:21:52,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:21:50" (1/3) ... [2019-10-13 21:21:52,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a506fdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:21:52, skipping insertion in model container [2019-10-13 21:21:52,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:51" (2/3) ... [2019-10-13 21:21:52,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a506fdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:21:52, skipping insertion in model container [2019-10-13 21:21:52,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:21:52" (3/3) ... [2019-10-13 21:21:52,943 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product19.cil.c [2019-10-13 21:21:52,953 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:21:52,964 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:21:52,976 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:21:53,015 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:21:53,016 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:21:53,016 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:21:53,016 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:21:53,016 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:21:53,016 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:21:53,016 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:21:53,017 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:21:53,046 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states. [2019-10-13 21:21:53,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 21:21:53,055 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:53,056 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 21:21:53,058 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:53,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:53,062 INFO L82 PathProgramCache]: Analyzing trace with hash 1827738968, now seen corresponding path program 1 times [2019-10-13 21:21:53,072 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:53,073 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690571625] [2019-10-13 21:21:53,073 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:53,073 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:53,073 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:53,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:53,416 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 21:21:53,417 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690571625] [2019-10-13 21:21:53,418 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:53,418 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:21:53,418 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336661535] [2019-10-13 21:21:53,423 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:21:53,425 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:53,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:21:53,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:21:53,443 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 2 states. [2019-10-13 21:21:53,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:53,484 INFO L93 Difference]: Finished difference Result 220 states and 275 transitions. [2019-10-13 21:21:53,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:21:53,486 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-13 21:21:53,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:53,499 INFO L225 Difference]: With dead ends: 220 [2019-10-13 21:21:53,499 INFO L226 Difference]: Without dead ends: 110 [2019-10-13 21:21:53,504 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 21:21:53,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2019-10-13 21:21:53,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2019-10-13 21:21:53,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-10-13 21:21:53,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 129 transitions. [2019-10-13 21:21:53,560 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 129 transitions. Word has length 46 [2019-10-13 21:21:53,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:53,561 INFO L462 AbstractCegarLoop]: Abstraction has 110 states and 129 transitions. [2019-10-13 21:21:53,561 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:21:53,561 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 129 transitions. [2019-10-13 21:21:53,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 21:21:53,567 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:53,567 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 21:21:53,568 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:53,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:53,568 INFO L82 PathProgramCache]: Analyzing trace with hash 622240591, now seen corresponding path program 1 times [2019-10-13 21:21:53,571 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:53,572 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528208074] [2019-10-13 21:21:53,572 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:53,572 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:53,572 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:53,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:53,747 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 21:21:53,748 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528208074] [2019-10-13 21:21:53,748 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:53,748 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:21:53,748 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40587167] [2019-10-13 21:21:53,750 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:21:53,750 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:53,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:21:53,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:21:53,751 INFO L87 Difference]: Start difference. First operand 110 states and 129 transitions. Second operand 3 states. [2019-10-13 21:21:53,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:53,771 INFO L93 Difference]: Finished difference Result 163 states and 189 transitions. [2019-10-13 21:21:53,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:21:53,772 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-13 21:21:53,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:53,774 INFO L225 Difference]: With dead ends: 163 [2019-10-13 21:21:53,774 INFO L226 Difference]: Without dead ends: 101 [2019-10-13 21:21:53,775 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 21:21:53,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2019-10-13 21:21:53,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2019-10-13 21:21:53,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2019-10-13 21:21:53,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 117 transitions. [2019-10-13 21:21:53,789 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 117 transitions. Word has length 47 [2019-10-13 21:21:53,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:53,790 INFO L462 AbstractCegarLoop]: Abstraction has 101 states and 117 transitions. [2019-10-13 21:21:53,790 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:21:53,790 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 117 transitions. [2019-10-13 21:21:53,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-13 21:21:53,792 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:53,792 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 21:21:53,793 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:53,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:53,793 INFO L82 PathProgramCache]: Analyzing trace with hash -1297415431, now seen corresponding path program 1 times [2019-10-13 21:21:53,794 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:53,794 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38903697] [2019-10-13 21:21:53,794 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:53,794 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:53,794 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:53,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:53,957 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 21:21:53,958 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38903697] [2019-10-13 21:21:53,959 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:53,959 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:21:53,959 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667013731] [2019-10-13 21:21:53,960 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:21:53,961 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:53,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:21:53,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:21:53,963 INFO L87 Difference]: Start difference. First operand 101 states and 117 transitions. Second operand 7 states. [2019-10-13 21:21:54,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:54,419 INFO L93 Difference]: Finished difference Result 305 states and 369 transitions. [2019-10-13 21:21:54,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:21:54,420 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-10-13 21:21:54,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:54,426 INFO L225 Difference]: With dead ends: 305 [2019-10-13 21:21:54,427 INFO L226 Difference]: Without dead ends: 228 [2019-10-13 21:21:54,431 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:21:54,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2019-10-13 21:21:54,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 220. [2019-10-13 21:21:54,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2019-10-13 21:21:54,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 266 transitions. [2019-10-13 21:21:54,474 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 266 transitions. Word has length 51 [2019-10-13 21:21:54,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:54,475 INFO L462 AbstractCegarLoop]: Abstraction has 220 states and 266 transitions. [2019-10-13 21:21:54,475 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:21:54,475 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 266 transitions. [2019-10-13 21:21:54,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-13 21:21:54,481 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:54,483 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] [2019-10-13 21:21:54,483 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:54,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:54,484 INFO L82 PathProgramCache]: Analyzing trace with hash -1649615923, now seen corresponding path program 1 times [2019-10-13 21:21:54,484 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:54,484 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301725174] [2019-10-13 21:21:54,485 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:54,485 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:54,485 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:54,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:54,737 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 21:21:54,738 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301725174] [2019-10-13 21:21:54,739 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:54,739 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 21:21:54,739 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706798795] [2019-10-13 21:21:54,740 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 21:21:54,740 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:54,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 21:21:54,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:21:54,741 INFO L87 Difference]: Start difference. First operand 220 states and 266 transitions. Second operand 10 states. [2019-10-13 21:21:55,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:55,291 INFO L93 Difference]: Finished difference Result 760 states and 983 transitions. [2019-10-13 21:21:55,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-13 21:21:55,292 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2019-10-13 21:21:55,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:55,299 INFO L225 Difference]: With dead ends: 760 [2019-10-13 21:21:55,299 INFO L226 Difference]: Without dead ends: 564 [2019-10-13 21:21:55,302 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 21:21:55,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2019-10-13 21:21:55,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 552. [2019-10-13 21:21:55,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 552 states. [2019-10-13 21:21:55,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 688 transitions. [2019-10-13 21:21:55,404 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 688 transitions. Word has length 57 [2019-10-13 21:21:55,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:55,404 INFO L462 AbstractCegarLoop]: Abstraction has 552 states and 688 transitions. [2019-10-13 21:21:55,405 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 21:21:55,405 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 688 transitions. [2019-10-13 21:21:55,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-13 21:21:55,409 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:55,409 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] [2019-10-13 21:21:55,409 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:55,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:55,410 INFO L82 PathProgramCache]: Analyzing trace with hash 671694067, now seen corresponding path program 1 times [2019-10-13 21:21:55,410 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:55,410 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452000304] [2019-10-13 21:21:55,410 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:55,411 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:55,411 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:55,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:55,518 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 21:21:55,521 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452000304] [2019-10-13 21:21:55,521 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:55,521 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:21:55,521 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599744177] [2019-10-13 21:21:55,522 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:21:55,522 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:55,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:21:55,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:21:55,523 INFO L87 Difference]: Start difference. First operand 552 states and 688 transitions. Second operand 4 states. [2019-10-13 21:21:55,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:55,690 INFO L93 Difference]: Finished difference Result 924 states and 1186 transitions. [2019-10-13 21:21:55,691 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 21:21:55,691 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2019-10-13 21:21:55,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:55,695 INFO L225 Difference]: With dead ends: 924 [2019-10-13 21:21:55,695 INFO L226 Difference]: Without dead ends: 396 [2019-10-13 21:21:55,714 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:21:55,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2019-10-13 21:21:55,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 384. [2019-10-13 21:21:55,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2019-10-13 21:21:55,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 446 transitions. [2019-10-13 21:21:55,757 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 446 transitions. Word has length 61 [2019-10-13 21:21:55,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:55,758 INFO L462 AbstractCegarLoop]: Abstraction has 384 states and 446 transitions. [2019-10-13 21:21:55,758 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:21:55,758 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 446 transitions. [2019-10-13 21:21:55,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-13 21:21:55,761 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:55,761 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:21:55,762 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:55,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:55,762 INFO L82 PathProgramCache]: Analyzing trace with hash -511342643, now seen corresponding path program 1 times [2019-10-13 21:21:55,762 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:55,763 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268639391] [2019-10-13 21:21:55,763 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:55,763 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:55,763 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:55,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:55,874 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-13 21:21:55,874 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268639391] [2019-10-13 21:21:55,875 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [320943492] [2019-10-13 21:21:55,875 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 21:21:56,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:56,077 INFO L256 TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-13 21:21:56,096 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:21:56,232 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:21:56,232 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:21:56,352 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:21:56,497 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:21:56,498 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [2122987543] [2019-10-13 21:21:56,504 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 89 [2019-10-13 21:21:56,546 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-13 21:21:56,546 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-13 21:21:56,620 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-13 21:21:56,622 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 68 root evaluator evaluations with a maximum evaluation depth of 0. Performed 68 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 126 variables. [2019-10-13 21:21:56,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:56,627 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-13 21:21:56,668 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-13 21:21:56,668 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-13 21:21:56,671 INFO L553 sIntCurrentIteration]: We unified 87 AI predicates to 87 [2019-10-13 21:21:56,671 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-13 21:21:56,672 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-13 21:21:56,672 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7, 7, 8] total 15 [2019-10-13 21:21:56,672 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454657523] [2019-10-13 21:21:56,673 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:21:56,674 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:56,674 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-13 21:21:56,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:21:56,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:21:56,674 INFO L87 Difference]: Start difference. First operand 384 states and 446 transitions. Second operand 2 states. [2019-10-13 21:21:56,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:56,683 INFO L93 Difference]: Finished difference Result 384 states and 446 transitions. [2019-10-13 21:21:56,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:21:56,684 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 88 [2019-10-13 21:21:56,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:56,684 INFO L225 Difference]: With dead ends: 384 [2019-10-13 21:21:56,684 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:21:56,686 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 87 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 21:21:56,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:21:56,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:21:56,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:21:56,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:21:56,689 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2019-10-13 21:21:56,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:56,689 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:21:56,689 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:21:56,689 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:21:56,690 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:21:56,901 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:21:56,907 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:21:57,173 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2019-10-13 21:21:57,173 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2019-10-13 21:21:57,173 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-10-13 21:21:57,174 INFO L443 ceAbstractionStarter]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2019-10-13 21:21:57,174 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2019-10-13 21:21:57,174 INFO L443 ceAbstractionStarter]: For program point L139(lines 116 140) no Hoare annotation was computed. [2019-10-13 21:21:57,174 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2019-10-13 21:21:57,174 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2019-10-13 21:21:57,175 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-13 21:21:57,175 INFO L443 ceAbstractionStarter]: For program point L193-1(line 193) no Hoare annotation was computed. [2019-10-13 21:21:57,175 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2019-10-13 21:21:57,175 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2019-10-13 21:21:57,176 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2019-10-13 21:21:57,176 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-10-13 21:21:57,176 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2019-10-13 21:21:57,176 INFO L443 ceAbstractionStarter]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2019-10-13 21:21:57,179 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2019-10-13 21:21:57,179 INFO L443 ceAbstractionStarter]: For program point L200(lines 173 201) no Hoare annotation was computed. [2019-10-13 21:21:57,180 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 870 876) the Hoare annotation is: true [2019-10-13 21:21:57,180 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 870 876) no Hoare annotation was computed. [2019-10-13 21:21:57,180 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 877 885) no Hoare annotation was computed. [2019-10-13 21:21:57,180 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 877 885) the Hoare annotation is: true [2019-10-13 21:21:57,180 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 877 885) no Hoare annotation was computed. [2019-10-13 21:21:57,180 INFO L446 ceAbstractionStarter]: At program point L897(line 897) the Hoare annotation is: true [2019-10-13 21:21:57,181 INFO L443 ceAbstractionStarter]: For program point L897-1(line 897) no Hoare annotation was computed. [2019-10-13 21:21:57,181 INFO L443 ceAbstractionStarter]: For program point L895(lines 895 908) no Hoare annotation was computed. [2019-10-13 21:21:57,181 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 887 911) the Hoare annotation is: true [2019-10-13 21:21:57,181 INFO L443 ceAbstractionStarter]: For program point L895-1(lines 887 911) no Hoare annotation was computed. [2019-10-13 21:21:57,187 INFO L446 ceAbstractionStarter]: At program point L893(line 893) the Hoare annotation is: true [2019-10-13 21:21:57,188 INFO L443 ceAbstractionStarter]: For program point L893-1(line 893) no Hoare annotation was computed. [2019-10-13 21:21:57,188 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 887 911) no Hoare annotation was computed. [2019-10-13 21:21:57,188 INFO L446 ceAbstractionStarter]: At program point L901(line 901) the Hoare annotation is: true [2019-10-13 21:21:57,188 INFO L443 ceAbstractionStarter]: For program point L899(lines 899 905) no Hoare annotation was computed. [2019-10-13 21:21:57,189 INFO L446 ceAbstractionStarter]: At program point L834-1(line 834) the Hoare annotation is: true [2019-10-13 21:21:57,189 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 828 850) the Hoare annotation is: true [2019-10-13 21:21:57,189 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 828 850) no Hoare annotation was computed. [2019-10-13 21:21:57,189 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 828 850) no Hoare annotation was computed. [2019-10-13 21:21:57,190 INFO L446 ceAbstractionStarter]: At program point L840(line 840) the Hoare annotation is: true [2019-10-13 21:21:57,190 INFO L446 ceAbstractionStarter]: At program point L840-1(line 840) the Hoare annotation is: true [2019-10-13 21:21:57,193 INFO L443 ceAbstractionStarter]: For program point L838(lines 838 845) no Hoare annotation was computed. [2019-10-13 21:21:57,193 INFO L443 ceAbstractionStarter]: For program point L838-1(lines 838 845) no Hoare annotation was computed. [2019-10-13 21:21:57,194 INFO L443 ceAbstractionStarter]: For program point L836(line 836) no Hoare annotation was computed. [2019-10-13 21:21:57,194 INFO L446 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: true [2019-10-13 21:21:57,194 INFO L446 ceAbstractionStarter]: At program point L834(line 834) the Hoare annotation is: true [2019-10-13 21:21:57,194 INFO L443 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2019-10-13 21:21:57,194 INFO L443 ceAbstractionStarter]: For program point L800(line 800) no Hoare annotation was computed. [2019-10-13 21:21:57,194 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 784 807) no Hoare annotation was computed. [2019-10-13 21:21:57,194 INFO L443 ceAbstractionStarter]: For program point L799(line 799) no Hoare annotation was computed. [2019-10-13 21:21:57,195 INFO L443 ceAbstractionStarter]: For program point L798(line 798) no Hoare annotation was computed. [2019-10-13 21:21:57,195 INFO L443 ceAbstractionStarter]: For program point L797(line 797) no Hoare annotation was computed. [2019-10-13 21:21:57,195 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 784 807) no Hoare annotation was computed. [2019-10-13 21:21:57,195 INFO L443 ceAbstractionStarter]: For program point L796(line 796) no Hoare annotation was computed. [2019-10-13 21:21:57,197 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 784 807) no Hoare annotation was computed. [2019-10-13 21:21:57,197 INFO L443 ceAbstractionStarter]: For program point L795(line 795) no Hoare annotation was computed. [2019-10-13 21:21:57,198 INFO L443 ceAbstractionStarter]: For program point L794(line 794) no Hoare annotation was computed. [2019-10-13 21:21:57,198 INFO L443 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2019-10-13 21:21:57,198 INFO L443 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2019-10-13 21:21:57,198 INFO L443 ceAbstractionStarter]: For program point L791(line 791) no Hoare annotation was computed. [2019-10-13 21:21:57,198 INFO L443 ceAbstractionStarter]: For program point L790(line 790) no Hoare annotation was computed. [2019-10-13 21:21:57,198 INFO L443 ceAbstractionStarter]: For program point L789(line 789) no Hoare annotation was computed. [2019-10-13 21:21:57,198 INFO L443 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2019-10-13 21:21:57,199 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 660 674) no Hoare annotation was computed. [2019-10-13 21:21:57,199 INFO L446 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2019-10-13 21:21:57,199 INFO L443 ceAbstractionStarter]: For program point L664(lines 664 670) no Hoare annotation was computed. [2019-10-13 21:21:57,199 INFO L446 ceAbstractionStarter]: At program point stopSystemENTRY(lines 660 674) the Hoare annotation is: true [2019-10-13 21:21:57,199 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 660 674) no Hoare annotation was computed. [2019-10-13 21:21:57,199 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 596 604) no Hoare annotation was computed. [2019-10-13 21:21:57,199 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 596 604) the Hoare annotation is: true [2019-10-13 21:21:57,200 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 596 604) no Hoare annotation was computed. [2019-10-13 21:21:57,200 INFO L443 ceAbstractionStarter]: For program point L650(lines 650 654) no Hoare annotation was computed. [2019-10-13 21:21:57,200 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 641 659) the Hoare annotation is: true [2019-10-13 21:21:57,200 INFO L446 ceAbstractionStarter]: At program point L648(line 648) the Hoare annotation is: true [2019-10-13 21:21:57,202 INFO L443 ceAbstractionStarter]: For program point L650-2(lines 650 654) no Hoare annotation was computed. [2019-10-13 21:21:57,203 INFO L443 ceAbstractionStarter]: For program point L648-1(line 648) no Hoare annotation was computed. [2019-10-13 21:21:57,203 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 641 659) no Hoare annotation was computed. [2019-10-13 21:21:57,203 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 641 659) no Hoare annotation was computed. [2019-10-13 21:21:57,203 INFO L443 ceAbstractionStarter]: For program point L635(line 635) no Hoare annotation was computed. [2019-10-13 21:21:57,204 INFO L443 ceAbstractionStarter]: For program point L635-1(line 635) no Hoare annotation was computed. [2019-10-13 21:21:57,204 INFO L443 ceAbstractionStarter]: For program point L624(lines 624 632) no Hoare annotation was computed. [2019-10-13 21:21:57,204 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 605 640) no Hoare annotation was computed. [2019-10-13 21:21:57,204 INFO L443 ceAbstractionStarter]: For program point L624-2(lines 624 632) no Hoare annotation was computed. [2019-10-13 21:21:57,204 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 605 640) no Hoare annotation was computed. [2019-10-13 21:21:57,205 INFO L443 ceAbstractionStarter]: For program point L612(lines 612 620) no Hoare annotation was computed. [2019-10-13 21:21:57,205 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 605 640) no Hoare annotation was computed. [2019-10-13 21:21:57,205 INFO L443 ceAbstractionStarter]: For program point L612-2(lines 612 620) no Hoare annotation was computed. [2019-10-13 21:21:57,205 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 863 869) no Hoare annotation was computed. [2019-10-13 21:21:57,205 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 863 869) the Hoare annotation is: true [2019-10-13 21:21:57,205 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2019-10-13 21:21:57,206 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2019-10-13 21:21:57,206 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2019-10-13 21:21:57,206 INFO L443 ceAbstractionStarter]: For program point L379(lines 379 386) no Hoare annotation was computed. [2019-10-13 21:21:57,206 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2019-10-13 21:21:57,206 INFO L443 ceAbstractionStarter]: For program point L373(lines 373 393) no Hoare annotation was computed. [2019-10-13 21:21:57,207 INFO L443 ceAbstractionStarter]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2019-10-13 21:21:57,207 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2019-10-13 21:21:57,207 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2019-10-13 21:21:57,207 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 815 824) the Hoare annotation is: true [2019-10-13 21:21:57,207 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 815 824) no Hoare annotation was computed. [2019-10-13 21:21:57,207 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 815 824) no Hoare annotation was computed. [2019-10-13 21:21:57,208 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 585 595) no Hoare annotation was computed. [2019-10-13 21:21:57,208 INFO L443 ceAbstractionStarter]: For program point L590(line 590) no Hoare annotation was computed. [2019-10-13 21:21:57,208 INFO L443 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2019-10-13 21:21:57,208 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 585 595) no Hoare annotation was computed. [2019-10-13 21:21:57,208 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 585 595) no Hoare annotation was computed. [2019-10-13 21:21:57,208 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 577 584) the Hoare annotation is: true [2019-10-13 21:21:57,208 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 577 584) no Hoare annotation was computed. [2019-10-13 21:21:57,209 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 577 584) no Hoare annotation was computed. [2019-10-13 21:21:57,209 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 544 568) no Hoare annotation was computed. [2019-10-13 21:21:57,209 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 544 568) the Hoare annotation is: true [2019-10-13 21:21:57,209 INFO L446 ceAbstractionStarter]: At program point L563(line 563) the Hoare annotation is: true [2019-10-13 21:21:57,209 INFO L443 ceAbstractionStarter]: For program point L563-1(lines 544 568) no Hoare annotation was computed. [2019-10-13 21:21:57,209 INFO L446 ceAbstractionStarter]: At program point L558(line 558) the Hoare annotation is: true [2019-10-13 21:21:57,210 INFO L446 ceAbstractionStarter]: At program point L554(line 554) the Hoare annotation is: true [2019-10-13 21:21:57,210 INFO L443 ceAbstractionStarter]: For program point L552(lines 552 560) no Hoare annotation was computed. [2019-10-13 21:21:57,210 INFO L446 ceAbstractionStarter]: At program point L550(line 550) the Hoare annotation is: true [2019-10-13 21:21:57,210 INFO L443 ceAbstractionStarter]: For program point L550-1(line 550) no Hoare annotation was computed. [2019-10-13 21:21:57,210 INFO L443 ceAbstractionStarter]: For program point L548(lines 548 565) no Hoare annotation was computed. [2019-10-13 21:21:57,210 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 536 542) no Hoare annotation was computed. [2019-10-13 21:21:57,211 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 536 542) the Hoare annotation is: true [2019-10-13 21:21:57,211 INFO L443 ceAbstractionStarter]: For program point L706-1(lines 706 712) no Hoare annotation was computed. [2019-10-13 21:21:57,211 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 686 751) the Hoare annotation is: true [2019-10-13 21:21:57,211 INFO L443 ceAbstractionStarter]: For program point L698(lines 698 702) no Hoare annotation was computed. [2019-10-13 21:21:57,211 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 686 751) no Hoare annotation was computed. [2019-10-13 21:21:57,212 INFO L446 ceAbstractionStarter]: At program point L744(lines 695 745) the Hoare annotation is: true [2019-10-13 21:21:57,212 INFO L446 ceAbstractionStarter]: At program point L734(line 734) the Hoare annotation is: true [2019-10-13 21:21:57,212 INFO L443 ceAbstractionStarter]: For program point L732(lines 732 738) no Hoare annotation was computed. [2019-10-13 21:21:57,212 INFO L446 ceAbstractionStarter]: At program point L732-1(lines 726 739) the Hoare annotation is: true [2019-10-13 21:21:57,213 INFO L443 ceAbstractionStarter]: For program point L697(lines 696 743) no Hoare annotation was computed. [2019-10-13 21:21:57,213 INFO L443 ceAbstractionStarter]: For program point L726(lines 726 739) no Hoare annotation was computed. [2019-10-13 21:21:57,213 INFO L446 ceAbstractionStarter]: At program point L718(line 718) the Hoare annotation is: true [2019-10-13 21:21:57,213 INFO L443 ceAbstractionStarter]: For program point L716(lines 716 722) no Hoare annotation was computed. [2019-10-13 21:21:57,213 INFO L443 ceAbstractionStarter]: For program point L716-1(lines 716 722) no Hoare annotation was computed. [2019-10-13 21:21:57,214 INFO L446 ceAbstractionStarter]: At program point L741(lines 696 743) the Hoare annotation is: true [2019-10-13 21:21:57,214 INFO L446 ceAbstractionStarter]: At program point L708(line 708) the Hoare annotation is: true [2019-10-13 21:21:57,214 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 686 751) no Hoare annotation was computed. [2019-10-13 21:21:57,214 INFO L443 ceAbstractionStarter]: For program point L706(lines 706 712) no Hoare annotation was computed. [2019-10-13 21:21:57,215 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2019-10-13 21:21:57,215 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2019-10-13 21:21:57,215 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2019-10-13 21:21:57,215 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 340) no Hoare annotation was computed. [2019-10-13 21:21:57,215 INFO L443 ceAbstractionStarter]: For program point L327(lines 327 347) no Hoare annotation was computed. [2019-10-13 21:21:57,215 INFO L443 ceAbstractionStarter]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2019-10-13 21:21:57,216 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 492 500) no Hoare annotation was computed. [2019-10-13 21:21:57,216 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 492 500) the Hoare annotation is: true [2019-10-13 21:21:57,216 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 492 500) no Hoare annotation was computed. [2019-10-13 21:21:57,216 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 460 482) no Hoare annotation was computed. [2019-10-13 21:21:57,217 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 460 482) no Hoare annotation was computed. [2019-10-13 21:21:57,217 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 460 482) no Hoare annotation was computed. [2019-10-13 21:21:57,217 INFO L443 ceAbstractionStarter]: For program point L468(lines 468 476) no Hoare annotation was computed. [2019-10-13 21:21:57,217 INFO L443 ceAbstractionStarter]: For program point L468-2(lines 468 476) no Hoare annotation was computed. [2019-10-13 21:21:57,217 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 297) no Hoare annotation was computed. [2019-10-13 21:21:57,218 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2019-10-13 21:21:57,218 INFO L443 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2019-10-13 21:21:57,218 INFO L443 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2019-10-13 21:21:57,222 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2019-10-13 21:21:57,222 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 309) no Hoare annotation was computed. [2019-10-13 21:21:57,223 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2019-10-13 21:21:57,223 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 265) no Hoare annotation was computed. [2019-10-13 21:21:57,223 INFO L443 ceAbstractionStarter]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2019-10-13 21:21:57,223 INFO L443 ceAbstractionStarter]: For program point L280(lines 258 281) no Hoare annotation was computed. [2019-10-13 21:21:57,223 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2019-10-13 21:21:57,223 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 255) no Hoare annotation was computed. [2019-10-13 21:21:57,223 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 306) no Hoare annotation was computed. [2019-10-13 21:21:57,224 INFO L443 ceAbstractionStarter]: For program point L260(lines 259 279) no Hoare annotation was computed. [2019-10-13 21:21:57,224 INFO L443 ceAbstractionStarter]: For program point L291(line 291) no Hoare annotation was computed. [2019-10-13 21:21:57,224 INFO L443 ceAbstractionStarter]: For program point L291-1(line 291) no Hoare annotation was computed. [2019-10-13 21:21:57,224 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 853 862) no Hoare annotation was computed. [2019-10-13 21:21:57,224 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 853 862) no Hoare annotation was computed. [2019-10-13 21:21:57,224 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 853 862) no Hoare annotation was computed. [2019-10-13 21:21:57,224 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:57,225 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-13 21:21:57,225 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:57,225 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 569 576) no Hoare annotation was computed. [2019-10-13 21:21:57,225 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 569 576) no Hoare annotation was computed. [2019-10-13 21:21:57,225 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 569 576) no Hoare annotation was computed. [2019-10-13 21:21:57,226 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 483 491) the Hoare annotation is: true [2019-10-13 21:21:57,226 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 483 491) no Hoare annotation was computed. [2019-10-13 21:21:57,226 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 483 491) no Hoare annotation was computed. [2019-10-13 21:21:57,226 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:57,226 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:21:57,227 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:57,227 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 439 450) the Hoare annotation is: true [2019-10-13 21:21:57,227 INFO L443 ceAbstractionStarter]: For program point L443-1(lines 439 450) no Hoare annotation was computed. [2019-10-13 21:21:57,227 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 439 450) no Hoare annotation was computed. [2019-10-13 21:21:57,227 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 451 459) no Hoare annotation was computed. [2019-10-13 21:21:57,227 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 451 459) no Hoare annotation was computed. [2019-10-13 21:21:57,227 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 451 459) no Hoare annotation was computed. [2019-10-13 21:21:57,227 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 512 535) the Hoare annotation is: true [2019-10-13 21:21:57,228 INFO L446 ceAbstractionStarter]: At program point L525(line 525) the Hoare annotation is: true [2019-10-13 21:21:57,228 INFO L446 ceAbstractionStarter]: At program point L523(lines 523 529) the Hoare annotation is: true [2019-10-13 21:21:57,228 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 512 535) no Hoare annotation was computed. [2019-10-13 21:21:57,228 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 512 535) no Hoare annotation was computed. [2019-10-13 21:21:57,228 INFO L446 ceAbstractionStarter]: At program point L518(line 518) the Hoare annotation is: true [2019-10-13 21:21:57,228 INFO L443 ceAbstractionStarter]: For program point L516(lines 515 534) no Hoare annotation was computed. [2019-10-13 21:21:57,228 INFO L443 ceAbstractionStarter]: For program point L768(lines 768 772) no Hoare annotation was computed. [2019-10-13 21:21:57,228 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 754 783) no Hoare annotation was computed. [2019-10-13 21:21:57,229 INFO L446 ceAbstractionStarter]: At program point L768-1(lines 768 772) the Hoare annotation is: true [2019-10-13 21:21:57,229 INFO L443 ceAbstractionStarter]: For program point L765(line 765) no Hoare annotation was computed. [2019-10-13 21:21:57,229 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 754 783) the Hoare annotation is: true [2019-10-13 21:21:57,230 INFO L446 ceAbstractionStarter]: At program point L764-2(lines 764 778) the Hoare annotation is: true [2019-10-13 21:21:57,230 INFO L446 ceAbstractionStarter]: At program point L760(line 760) the Hoare annotation is: true [2019-10-13 21:21:57,230 INFO L443 ceAbstractionStarter]: For program point L760-1(line 760) no Hoare annotation was computed. [2019-10-13 21:21:57,230 INFO L446 ceAbstractionStarter]: At program point L779(lines 754 783) the Hoare annotation is: true [2019-10-13 21:21:57,231 INFO L443 ceAbstractionStarter]: For program point L775(line 775) no Hoare annotation was computed. [2019-10-13 21:21:57,231 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 415 426) the Hoare annotation is: true [2019-10-13 21:21:57,232 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 415 426) no Hoare annotation was computed. [2019-10-13 21:21:57,232 INFO L443 ceAbstractionStarter]: For program point L419-1(lines 415 426) no Hoare annotation was computed. [2019-10-13 21:21:57,232 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 808 814) no Hoare annotation was computed. [2019-10-13 21:21:57,232 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 808 814) the Hoare annotation is: true [2019-10-13 21:21:57,232 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:57,233 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-13 21:21:57,234 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:21:57,234 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:57,234 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 427 438) no Hoare annotation was computed. [2019-10-13 21:21:57,234 INFO L443 ceAbstractionStarter]: For program point L431-1(lines 427 438) no Hoare annotation was computed. [2019-10-13 21:21:57,234 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 427 438) the Hoare annotation is: true [2019-10-13 21:21:57,235 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 676 683) no Hoare annotation was computed. [2019-10-13 21:21:57,235 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 676 683) the Hoare annotation is: true [2019-10-13 21:21:57,235 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 680) no Hoare annotation was computed. [2019-10-13 21:21:57,235 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 676 683) no Hoare annotation was computed. [2019-10-13 21:21:57,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:21:57 BoogieIcfgContainer [2019-10-13 21:21:57,250 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:21:57,257 INFO L168 Benchmark]: Toolchain (without parser) took 6305.57 ms. Allocated memory was 137.9 MB in the beginning and 292.0 MB in the end (delta: 154.1 MB). Free memory was 101.7 MB in the beginning and 175.3 MB in the end (delta: -73.6 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:57,258 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-13 21:21:57,267 INFO L168 Benchmark]: CACSL2BoogieTranslator took 665.67 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 101.5 MB in the beginning and 170.1 MB in the end (delta: -68.6 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:57,268 INFO L168 Benchmark]: Boogie Preprocessor took 101.81 ms. Allocated memory is still 201.3 MB. Free memory was 170.1 MB in the beginning and 166.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:57,269 INFO L168 Benchmark]: RCFGBuilder took 1219.36 ms. Allocated memory was 201.3 MB in the beginning and 233.8 MB in the end (delta: 32.5 MB). Free memory was 166.0 MB in the beginning and 199.2 MB in the end (delta: -33.3 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:57,272 INFO L168 Benchmark]: TraceAbstraction took 4314.31 ms. Allocated memory was 233.8 MB in the beginning and 292.0 MB in the end (delta: 58.2 MB). Free memory was 197.8 MB in the beginning and 175.3 MB in the end (delta: 22.4 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:57,278 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 665.67 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 101.5 MB in the beginning and 170.1 MB in the end (delta: -68.6 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.81 ms. Allocated memory is still 201.3 MB. Free memory was 170.1 MB in the beginning and 166.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1219.36 ms. Allocated memory was 201.3 MB in the beginning and 233.8 MB in the end (delta: 32.5 MB). Free memory was 166.0 MB in the beginning and 199.2 MB in the end (delta: -33.3 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4314.31 ms. Allocated memory was 233.8 MB in the beginning and 292.0 MB in the end (delta: 58.2 MB). Free memory was 197.8 MB in the beginning and 175.3 MB in the end (delta: 22.4 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 680]: 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: 754]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 220 locations, 1 error locations. Result: SAFE, OverallTime: 4.2s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 620 SDtfs, 440 SDslu, 1449 SDs, 0 SdLazy, 473 SolverSat, 79 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 139 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=552occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 32 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 537 PreInvPairs, 538 NumberOfFragments, 54 HoareAnnotationTreeSize, 537 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 52 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 438 NumberOfCodeBlocks, 438 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 518 ConstructedInterpolants, 0 QuantifiedInterpolants, 78004 SizeOfPredicates, 3 NumberOfNonLiveVariables, 750 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 61/69 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 123, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 1.0804597701149425, 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...