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_spec5_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:21:43,496 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:21:43,498 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:21:43,516 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:21:43,517 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:21:43,519 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:21:43,521 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:21:43,533 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:21:43,535 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:21:43,536 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:21:43,537 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:21:43,538 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:21:43,538 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:21:43,539 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:21:43,540 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:21:43,541 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:21:43,542 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:21:43,543 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:21:43,544 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:21:43,546 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:21:43,547 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:21:43,548 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:21:43,550 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:21:43,550 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:21:43,553 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:21:43,553 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:21:43,553 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:21:43,554 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:21:43,554 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:21:43,555 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:21:43,556 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:21:43,556 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:21:43,557 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:21:43,558 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:21:43,559 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:21:43,559 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:21:43,560 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:21:43,560 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:21:43,560 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:21:43,561 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:21:43,562 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:21:43,563 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 [2019-10-15 01:21:43,577 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:21:43,577 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:21:43,578 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:21:43,579 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:21:43,579 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:21:43,579 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:21:43,579 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:21:43,579 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:21:43,580 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:21:43,580 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:21:43,580 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:21:43,580 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:21:43,580 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:21:43,581 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:21:43,581 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:21:43,581 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:21:43,581 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:21:43,581 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:21:43,582 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:21:43,582 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:21:43,582 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:21:43,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:21:43,582 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:21:43,583 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:21:43,583 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:21:43,583 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:21:43,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:21:43,583 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:21:43,584 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 [2019-10-15 01:21:43,878 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:21:43,899 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:21:43,902 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:21:43,904 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:21:43,904 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:21:43,905 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product45.cil.c [2019-10-15 01:21:43,984 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e56ccc4c5/fe81808830c0401983eb7494c62e4726/FLAGf88cc764f [2019-10-15 01:21:44,523 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:21:44,526 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product45.cil.c [2019-10-15 01:21:44,545 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e56ccc4c5/fe81808830c0401983eb7494c62e4726/FLAGf88cc764f [2019-10-15 01:21:44,840 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e56ccc4c5/fe81808830c0401983eb7494c62e4726 [2019-10-15 01:21:44,850 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:21:44,852 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:21:44,853 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:21:44,853 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:21:44,857 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:21:44,858 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:21:44" (1/1) ... [2019-10-15 01:21:44,861 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4caf3c15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:44, skipping insertion in model container [2019-10-15 01:21:44,861 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:21:44" (1/1) ... [2019-10-15 01:21:44,867 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:21:44,920 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:21:45,319 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:21:45,334 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:21:45,451 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:21:45,486 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:21:45,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:45 WrapperNode [2019-10-15 01:21:45,487 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:21:45,488 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:21:45,488 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:21:45,488 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:21:45,501 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:45" (1/1) ... [2019-10-15 01:21:45,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:45" (1/1) ... [2019-10-15 01:21:45,527 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:45" (1/1) ... [2019-10-15 01:21:45,529 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:45" (1/1) ... [2019-10-15 01:21:45,557 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:45" (1/1) ... [2019-10-15 01:21:45,568 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:45" (1/1) ... [2019-10-15 01:21:45,575 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:45" (1/1) ... [2019-10-15 01:21:45,589 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:21:45,589 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:21:45,590 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:21:45,590 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:21:45,591 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:45" (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 [2019-10-15 01:21:45,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:21:45,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:21:45,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:21:45,659 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 01:21:45,659 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 01:21:45,660 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 01:21:45,660 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 01:21:45,660 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 01:21:45,660 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 01:21:45,660 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 01:21:45,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:21:45,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:21:45,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:21:45,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:21:45,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:21:45,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:21:45,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:21:45,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-15 01:21:45,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-15 01:21:45,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-15 01:21:45,662 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 01:21:45,662 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 01:21:45,663 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 01:21:45,663 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 01:21:45,663 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-10-15 01:21:45,663 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 01:21:45,663 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 01:21:45,664 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 01:21:45,664 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 01:21:45,664 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 01:21:45,664 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 01:21:45,664 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:21:45,664 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:21:45,665 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:21:45,665 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:21:45,665 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:21:45,665 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 01:21:45,665 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 01:21:45,665 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:21:45,666 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 01:21:45,666 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:21:45,666 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:21:45,666 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:21:45,666 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:21:45,666 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 01:21:45,667 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 01:21:45,667 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 01:21:45,667 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 01:21:45,667 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 01:21:45,667 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 01:21:45,667 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 01:21:45,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:21:45,668 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:21:45,668 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:21:45,668 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:21:45,668 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:21:45,668 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:21:45,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:21:45,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:21:45,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:21:45,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:21:45,669 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:21:45,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:21:45,669 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:21:45,669 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:21:45,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:21:45,670 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:21:45,670 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:21:45,670 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:21:45,670 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 01:21:45,670 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-15 01:21:45,671 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-15 01:21:45,671 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-15 01:21:45,671 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 01:21:45,671 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 01:21:45,671 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 01:21:45,671 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 01:21:45,672 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 01:21:45,672 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 01:21:45,672 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 01:21:45,672 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 01:21:45,672 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 01:21:45,672 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-10-15 01:21:45,673 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 01:21:45,673 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:21:45,673 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:21:45,673 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:21:45,673 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:21:45,673 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:21:45,674 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 01:21:45,674 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:21:45,674 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 01:21:45,674 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:21:45,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:21:45,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:21:45,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:21:46,778 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:21:46,778 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 01:21:46,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:21:46 BoogieIcfgContainer [2019-10-15 01:21:46,780 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:21:46,781 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:21:46,782 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:21:46,785 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:21:46,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:21:44" (1/3) ... [2019-10-15 01:21:46,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63781243 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:21:46, skipping insertion in model container [2019-10-15 01:21:46,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:45" (2/3) ... [2019-10-15 01:21:46,787 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63781243 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:21:46, skipping insertion in model container [2019-10-15 01:21:46,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:21:46" (3/3) ... [2019-10-15 01:21:46,789 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product45.cil.c [2019-10-15 01:21:46,800 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:21:46,810 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:21:46,822 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:21:46,852 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:21:46,852 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:21:46,853 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:21:46,853 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:21:46,853 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:21:46,853 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:21:46,854 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:21:46,854 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:21:46,885 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states. [2019-10-15 01:21:46,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-15 01:21:46,902 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:46,904 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:46,907 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:46,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:46,914 INFO L82 PathProgramCache]: Analyzing trace with hash -587014934, now seen corresponding path program 1 times [2019-10-15 01:21:46,926 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:46,926 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040750264] [2019-10-15 01:21:46,927 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:46,927 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:46,927 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:47,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:47,316 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:21:47,317 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040750264] [2019-10-15 01:21:47,318 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:47,319 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:21:47,323 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534467955] [2019-10-15 01:21:47,330 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:21:47,332 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:47,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:21:47,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:21:47,352 INFO L87 Difference]: Start difference. First operand 186 states. Second operand 2 states. [2019-10-15 01:21:47,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:47,397 INFO L93 Difference]: Finished difference Result 282 states and 349 transitions. [2019-10-15 01:21:47,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:21:47,399 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-10-15 01:21:47,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:47,414 INFO L225 Difference]: With dead ends: 282 [2019-10-15 01:21:47,414 INFO L226 Difference]: Without dead ends: 143 [2019-10-15 01:21:47,420 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 [2019-10-15 01:21:47,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2019-10-15 01:21:47,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2019-10-15 01:21:47,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2019-10-15 01:21:47,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 168 transitions. [2019-10-15 01:21:47,483 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 168 transitions. Word has length 59 [2019-10-15 01:21:47,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:47,487 INFO L462 AbstractCegarLoop]: Abstraction has 143 states and 168 transitions. [2019-10-15 01:21:47,487 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:21:47,487 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 168 transitions. [2019-10-15 01:21:47,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-15 01:21:47,491 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:47,492 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:47,492 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:47,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:47,493 INFO L82 PathProgramCache]: Analyzing trace with hash 272490530, now seen corresponding path program 1 times [2019-10-15 01:21:47,493 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:47,493 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263632817] [2019-10-15 01:21:47,493 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:47,494 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:47,494 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:47,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:47,704 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:21:47,705 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263632817] [2019-10-15 01:21:47,705 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:47,705 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:21:47,706 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355442029] [2019-10-15 01:21:47,708 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:21:47,709 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:47,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:21:47,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:21:47,710 INFO L87 Difference]: Start difference. First operand 143 states and 168 transitions. Second operand 7 states. [2019-10-15 01:21:48,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:48,108 INFO L93 Difference]: Finished difference Result 258 states and 311 transitions. [2019-10-15 01:21:48,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:21:48,109 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2019-10-15 01:21:48,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:48,112 INFO L225 Difference]: With dead ends: 258 [2019-10-15 01:21:48,112 INFO L226 Difference]: Without dead ends: 143 [2019-10-15 01:21:48,114 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:21:48,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2019-10-15 01:21:48,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2019-10-15 01:21:48,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2019-10-15 01:21:48,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 167 transitions. [2019-10-15 01:21:48,135 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 167 transitions. Word has length 64 [2019-10-15 01:21:48,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:48,137 INFO L462 AbstractCegarLoop]: Abstraction has 143 states and 167 transitions. [2019-10-15 01:21:48,138 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:21:48,138 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 167 transitions. [2019-10-15 01:21:48,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-10-15 01:21:48,146 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:48,146 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:48,147 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:48,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:48,147 INFO L82 PathProgramCache]: Analyzing trace with hash -1080536843, now seen corresponding path program 1 times [2019-10-15 01:21:48,148 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:48,148 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913817150] [2019-10-15 01:21:48,149 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:48,149 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:48,149 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:48,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:48,386 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:21:48,386 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913817150] [2019-10-15 01:21:48,386 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:48,387 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 01:21:48,387 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607187905] [2019-10-15 01:21:48,388 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 01:21:48,388 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:48,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 01:21:48,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 01:21:48,389 INFO L87 Difference]: Start difference. First operand 143 states and 167 transitions. Second operand 5 states. [2019-10-15 01:21:49,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:49,063 INFO L93 Difference]: Finished difference Result 407 states and 516 transitions. [2019-10-15 01:21:49,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:21:49,064 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2019-10-15 01:21:49,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:49,071 INFO L225 Difference]: With dead ends: 407 [2019-10-15 01:21:49,071 INFO L226 Difference]: Without dead ends: 292 [2019-10-15 01:21:49,077 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:21:49,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2019-10-15 01:21:49,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 257. [2019-10-15 01:21:49,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2019-10-15 01:21:49,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 306 transitions. [2019-10-15 01:21:49,123 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 306 transitions. Word has length 77 [2019-10-15 01:21:49,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:49,123 INFO L462 AbstractCegarLoop]: Abstraction has 257 states and 306 transitions. [2019-10-15 01:21:49,124 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 01:21:49,124 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 306 transitions. [2019-10-15 01:21:49,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-10-15 01:21:49,127 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:49,128 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:49,128 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:49,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:49,128 INFO L82 PathProgramCache]: Analyzing trace with hash -1912690952, now seen corresponding path program 1 times [2019-10-15 01:21:49,129 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:49,129 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408505177] [2019-10-15 01:21:49,129 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:49,129 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:49,129 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:49,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:49,276 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:21:49,277 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408505177] [2019-10-15 01:21:49,277 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:49,277 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:21:49,277 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772109392] [2019-10-15 01:21:49,278 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:21:49,278 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:49,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:21:49,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:21:49,279 INFO L87 Difference]: Start difference. First operand 257 states and 306 transitions. Second operand 7 states. [2019-10-15 01:21:49,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:49,968 INFO L93 Difference]: Finished difference Result 510 states and 633 transitions. [2019-10-15 01:21:49,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 01:21:49,968 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 91 [2019-10-15 01:21:49,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:49,972 INFO L225 Difference]: With dead ends: 510 [2019-10-15 01:21:49,972 INFO L226 Difference]: Without dead ends: 281 [2019-10-15 01:21:49,974 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-15 01:21:49,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2019-10-15 01:21:49,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 256. [2019-10-15 01:21:49,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2019-10-15 01:21:50,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 303 transitions. [2019-10-15 01:21:50,010 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 303 transitions. Word has length 91 [2019-10-15 01:21:50,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:50,011 INFO L462 AbstractCegarLoop]: Abstraction has 256 states and 303 transitions. [2019-10-15 01:21:50,011 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:21:50,011 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 303 transitions. [2019-10-15 01:21:50,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-10-15 01:21:50,015 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:50,015 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:50,016 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:50,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:50,016 INFO L82 PathProgramCache]: Analyzing trace with hash 1692072858, now seen corresponding path program 1 times [2019-10-15 01:21:50,016 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:50,017 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953063591] [2019-10-15 01:21:50,017 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:50,017 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:50,018 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:50,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:50,155 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:21:50,155 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953063591] [2019-10-15 01:21:50,156 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:50,156 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:21:50,156 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123428067] [2019-10-15 01:21:50,157 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:21:50,157 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:50,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:21:50,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:21:50,158 INFO L87 Difference]: Start difference. First operand 256 states and 303 transitions. Second operand 3 states. [2019-10-15 01:21:50,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:50,173 INFO L93 Difference]: Finished difference Result 418 states and 477 transitions. [2019-10-15 01:21:50,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:21:50,173 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2019-10-15 01:21:50,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:50,176 INFO L225 Difference]: With dead ends: 418 [2019-10-15 01:21:50,177 INFO L226 Difference]: Without dead ends: 226 [2019-10-15 01:21:50,178 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 [2019-10-15 01:21:50,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2019-10-15 01:21:50,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2019-10-15 01:21:50,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2019-10-15 01:21:50,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 256 transitions. [2019-10-15 01:21:50,197 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 256 transitions. Word has length 103 [2019-10-15 01:21:50,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:50,197 INFO L462 AbstractCegarLoop]: Abstraction has 226 states and 256 transitions. [2019-10-15 01:21:50,197 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:21:50,197 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 256 transitions. [2019-10-15 01:21:50,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-10-15 01:21:50,199 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:50,199 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:50,200 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:50,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:50,200 INFO L82 PathProgramCache]: Analyzing trace with hash -1624249196, now seen corresponding path program 1 times [2019-10-15 01:21:50,200 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:50,201 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981772577] [2019-10-15 01:21:50,201 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:50,201 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:50,201 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:50,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:50,280 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:21:50,281 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981772577] [2019-10-15 01:21:50,281 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:50,281 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:21:50,281 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321692378] [2019-10-15 01:21:50,282 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:21:50,282 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:50,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:21:50,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:21:50,283 INFO L87 Difference]: Start difference. First operand 226 states and 256 transitions. Second operand 6 states. [2019-10-15 01:21:50,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:50,319 INFO L93 Difference]: Finished difference Result 431 states and 500 transitions. [2019-10-15 01:21:50,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:21:50,320 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 107 [2019-10-15 01:21:50,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:50,324 INFO L225 Difference]: With dead ends: 431 [2019-10-15 01:21:50,324 INFO L226 Difference]: Without dead ends: 233 [2019-10-15 01:21:50,325 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:21:50,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2019-10-15 01:21:50,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 231. [2019-10-15 01:21:50,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2019-10-15 01:21:50,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 261 transitions. [2019-10-15 01:21:50,353 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 261 transitions. Word has length 107 [2019-10-15 01:21:50,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:50,355 INFO L462 AbstractCegarLoop]: Abstraction has 231 states and 261 transitions. [2019-10-15 01:21:50,355 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:21:50,355 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 261 transitions. [2019-10-15 01:21:50,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-10-15 01:21:50,357 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:50,358 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:50,358 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:50,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:50,358 INFO L82 PathProgramCache]: Analyzing trace with hash 304023506, now seen corresponding path program 1 times [2019-10-15 01:21:50,359 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:50,359 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584890163] [2019-10-15 01:21:50,359 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:50,359 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:50,359 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:50,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:50,485 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:21:50,486 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584890163] [2019-10-15 01:21:50,486 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:50,486 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 01:21:50,487 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97615101] [2019-10-15 01:21:50,488 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:21:50,488 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:50,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:21:50,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:21:50,489 INFO L87 Difference]: Start difference. First operand 231 states and 261 transitions. Second operand 8 states. [2019-10-15 01:21:50,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:50,528 INFO L93 Difference]: Finished difference Result 441 states and 511 transitions. [2019-10-15 01:21:50,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:21:50,528 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 107 [2019-10-15 01:21:50,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:50,530 INFO L225 Difference]: With dead ends: 441 [2019-10-15 01:21:50,530 INFO L226 Difference]: Without dead ends: 238 [2019-10-15 01:21:50,532 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:21:50,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2019-10-15 01:21:50,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 235. [2019-10-15 01:21:50,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2019-10-15 01:21:50,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 265 transitions. [2019-10-15 01:21:50,551 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 265 transitions. Word has length 107 [2019-10-15 01:21:50,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:50,552 INFO L462 AbstractCegarLoop]: Abstraction has 235 states and 265 transitions. [2019-10-15 01:21:50,552 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:21:50,552 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 265 transitions. [2019-10-15 01:21:50,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-10-15 01:21:50,556 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:50,556 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:50,557 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:50,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:50,557 INFO L82 PathProgramCache]: Analyzing trace with hash 63483377, now seen corresponding path program 1 times [2019-10-15 01:21:50,560 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:50,560 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938946819] [2019-10-15 01:21:50,561 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:50,561 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:50,561 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:50,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:50,658 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:21:50,658 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938946819] [2019-10-15 01:21:50,659 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:50,659 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:21:50,659 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475052342] [2019-10-15 01:21:50,659 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:21:50,660 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:50,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:21:50,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:21:50,660 INFO L87 Difference]: Start difference. First operand 235 states and 265 transitions. Second operand 4 states. [2019-10-15 01:21:50,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:50,938 INFO L93 Difference]: Finished difference Result 667 states and 790 transitions. [2019-10-15 01:21:50,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 01:21:50,938 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 107 [2019-10-15 01:21:50,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:50,943 INFO L225 Difference]: With dead ends: 667 [2019-10-15 01:21:50,944 INFO L226 Difference]: Without dead ends: 460 [2019-10-15 01:21:50,945 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:21:50,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2019-10-15 01:21:50,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 451. [2019-10-15 01:21:50,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2019-10-15 01:21:50,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 524 transitions. [2019-10-15 01:21:50,982 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 524 transitions. Word has length 107 [2019-10-15 01:21:50,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:50,983 INFO L462 AbstractCegarLoop]: Abstraction has 451 states and 524 transitions. [2019-10-15 01:21:50,983 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:21:50,983 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 524 transitions. [2019-10-15 01:21:50,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-10-15 01:21:50,986 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:50,986 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:50,986 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:50,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:50,987 INFO L82 PathProgramCache]: Analyzing trace with hash 1148604343, now seen corresponding path program 1 times [2019-10-15 01:21:50,987 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:50,987 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506427940] [2019-10-15 01:21:50,987 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:50,987 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:50,988 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:51,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:51,201 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:21:51,202 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506427940] [2019-10-15 01:21:51,203 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:51,203 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-15 01:21:51,204 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837417878] [2019-10-15 01:21:51,204 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-15 01:21:51,205 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:51,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-15 01:21:51,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:21:51,206 INFO L87 Difference]: Start difference. First operand 451 states and 524 transitions. Second operand 9 states. [2019-10-15 01:21:52,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:52,270 INFO L93 Difference]: Finished difference Result 1184 states and 1440 transitions. [2019-10-15 01:21:52,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-15 01:21:52,270 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 111 [2019-10-15 01:21:52,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:52,278 INFO L225 Difference]: With dead ends: 1184 [2019-10-15 01:21:52,278 INFO L226 Difference]: Without dead ends: 829 [2019-10-15 01:21:52,279 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2019-10-15 01:21:52,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 829 states. [2019-10-15 01:21:52,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 829 to 756. [2019-10-15 01:21:52,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 756 states. [2019-10-15 01:21:52,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 756 states and 868 transitions. [2019-10-15 01:21:52,331 INFO L78 Accepts]: Start accepts. Automaton has 756 states and 868 transitions. Word has length 111 [2019-10-15 01:21:52,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:52,332 INFO L462 AbstractCegarLoop]: Abstraction has 756 states and 868 transitions. [2019-10-15 01:21:52,332 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-15 01:21:52,333 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 868 transitions. [2019-10-15 01:21:52,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-10-15 01:21:52,335 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:52,336 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:52,336 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:52,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:52,337 INFO L82 PathProgramCache]: Analyzing trace with hash 490171745, now seen corresponding path program 1 times [2019-10-15 01:21:52,337 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:52,337 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731897415] [2019-10-15 01:21:52,337 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:52,338 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:52,338 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:52,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:52,524 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-10-15 01:21:52,524 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731897415] [2019-10-15 01:21:52,525 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [664443433] [2019-10-15 01:21:52,526 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 [2019-10-15 01:21:52,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:52,763 INFO L256 TraceCheckSpWp]: Trace formula consists of 948 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-15 01:21:52,784 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:21:53,132 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 35 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:21:53,132 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:21:53,564 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-10-15 01:21:53,564 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [1944092598] [2019-10-15 01:21:53,571 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 171 [2019-10-15 01:21:53,624 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-15 01:21:53,624 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 01:21:53,714 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-15 01:21:53,716 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 69 root evaluator evaluations with a maximum evaluation depth of 0. Performed 69 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 128 variables. [2019-10-15 01:21:53,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:53,722 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-15 01:21:53,837 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-15 01:21:53,837 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-15 01:21:53,848 INFO L553 sIntCurrentIteration]: We unified 169 AI predicates to 169 [2019-10-15 01:21:53,849 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-15 01:21:53,850 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-15 01:21:53,851 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11, 7, 7] total 19 [2019-10-15 01:21:53,851 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463644837] [2019-10-15 01:21:53,852 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:21:53,853 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:53,853 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-15 01:21:53,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:21:53,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:21:53,854 INFO L87 Difference]: Start difference. First operand 756 states and 868 transitions. Second operand 2 states. [2019-10-15 01:21:53,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:53,865 INFO L93 Difference]: Finished difference Result 756 states and 868 transitions. [2019-10-15 01:21:53,865 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:21:53,865 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 170 [2019-10-15 01:21:53,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:53,866 INFO L225 Difference]: With dead ends: 756 [2019-10-15 01:21:53,866 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:21:53,868 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:21:53,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:21:53,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:21:53,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:21:53,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:21:53,870 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 170 [2019-10-15 01:21:53,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:53,870 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:21:53,870 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:21:53,871 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:21:53,871 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:21:54,077 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:21:54,084 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:21:54,451 INFO L443 ceAbstractionStarter]: For program point L227-2(lines 227 248) no Hoare annotation was computed. [2019-10-15 01:21:54,451 INFO L443 ceAbstractionStarter]: For program point L249(lines 226 250) no Hoare annotation was computed. [2019-10-15 01:21:54,451 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 202 257) no Hoare annotation was computed. [2019-10-15 01:21:54,451 INFO L443 ceAbstractionStarter]: For program point L233(lines 233 237) no Hoare annotation was computed. [2019-10-15 01:21:54,451 INFO L443 ceAbstractionStarter]: For program point L233-1(lines 233 237) no Hoare annotation was computed. [2019-10-15 01:21:54,452 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 202 257) no Hoare annotation was computed. [2019-10-15 01:21:54,452 INFO L443 ceAbstractionStarter]: For program point L228(line 228) no Hoare annotation was computed. [2019-10-15 01:21:54,452 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 202 257) no Hoare annotation was computed. [2019-10-15 01:21:54,452 INFO L443 ceAbstractionStarter]: For program point L290-1(lines 290 294) no Hoare annotation was computed. [2019-10-15 01:21:54,452 INFO L443 ceAbstractionStarter]: For program point L285(line 285) no Hoare annotation was computed. [2019-10-15 01:21:54,452 INFO L443 ceAbstractionStarter]: For program point L284-2(lines 284 309) no Hoare annotation was computed. [2019-10-15 01:21:54,452 INFO L443 ceAbstractionStarter]: For program point L310(lines 283 311) no Hoare annotation was computed. [2019-10-15 01:21:54,452 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 258 317) no Hoare annotation was computed. [2019-10-15 01:21:54,452 INFO L443 ceAbstractionStarter]: For program point L303(line 303) no Hoare annotation was computed. [2019-10-15 01:21:54,452 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 258 317) no Hoare annotation was computed. [2019-10-15 01:21:54,452 INFO L443 ceAbstractionStarter]: For program point L303-1(line 303) no Hoare annotation was computed. [2019-10-15 01:21:54,452 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 258 317) no Hoare annotation was computed. [2019-10-15 01:21:54,453 INFO L443 ceAbstractionStarter]: For program point L290(lines 290 294) no Hoare annotation was computed. [2019-10-15 01:21:54,453 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 855 861) the Hoare annotation is: true [2019-10-15 01:21:54,453 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 855 861) no Hoare annotation was computed. [2019-10-15 01:21:54,453 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 862 870) no Hoare annotation was computed. [2019-10-15 01:21:54,453 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 862 870) the Hoare annotation is: true [2019-10-15 01:21:54,453 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 862 870) no Hoare annotation was computed. [2019-10-15 01:21:54,453 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 518 525) the Hoare annotation is: true [2019-10-15 01:21:54,453 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 518 525) no Hoare annotation was computed. [2019-10-15 01:21:54,453 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 518 525) no Hoare annotation was computed. [2019-10-15 01:21:54,454 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 526 535) the Hoare annotation is: true [2019-10-15 01:21:54,454 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 526 535) no Hoare annotation was computed. [2019-10-15 01:21:54,454 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 526 535) no Hoare annotation was computed. [2019-10-15 01:21:54,454 INFO L443 ceAbstractionStarter]: For program point L531(line 531) no Hoare annotation was computed. [2019-10-15 01:21:54,454 INFO L443 ceAbstractionStarter]: For program point L546-1(line 546) no Hoare annotation was computed. [2019-10-15 01:21:54,454 INFO L443 ceAbstractionStarter]: For program point L544(lines 544 561) no Hoare annotation was computed. [2019-10-15 01:21:54,454 INFO L443 ceAbstractionStarter]: For program point L544-1(lines 536 564) no Hoare annotation was computed. [2019-10-15 01:21:54,455 INFO L446 ceAbstractionStarter]: At program point L542(line 542) the Hoare annotation is: true [2019-10-15 01:21:54,455 INFO L443 ceAbstractionStarter]: For program point L542-1(line 542) no Hoare annotation was computed. [2019-10-15 01:21:54,455 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 536 564) the Hoare annotation is: true [2019-10-15 01:21:54,455 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 536 564) no Hoare annotation was computed. [2019-10-15 01:21:54,455 INFO L446 ceAbstractionStarter]: At program point L551(line 551) the Hoare annotation is: true [2019-10-15 01:21:54,455 INFO L443 ceAbstractionStarter]: For program point L549(lines 549 555) no Hoare annotation was computed. [2019-10-15 01:21:54,455 INFO L443 ceAbstractionStarter]: For program point L548(lines 548 558) no Hoare annotation was computed. [2019-10-15 01:21:54,455 INFO L446 ceAbstractionStarter]: At program point L546(line 546) the Hoare annotation is: true [2019-10-15 01:21:54,455 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 945 967) the Hoare annotation is: true [2019-10-15 01:21:54,456 INFO L446 ceAbstractionStarter]: At program point L957(line 957) the Hoare annotation is: true [2019-10-15 01:21:54,456 INFO L446 ceAbstractionStarter]: At program point L957-1(line 957) the Hoare annotation is: true [2019-10-15 01:21:54,456 INFO L443 ceAbstractionStarter]: For program point L955(lines 955 962) no Hoare annotation was computed. [2019-10-15 01:21:54,456 INFO L443 ceAbstractionStarter]: For program point L955-1(lines 955 962) no Hoare annotation was computed. [2019-10-15 01:21:54,456 INFO L443 ceAbstractionStarter]: For program point L953(line 953) no Hoare annotation was computed. [2019-10-15 01:21:54,456 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 945 967) no Hoare annotation was computed. [2019-10-15 01:21:54,456 INFO L446 ceAbstractionStarter]: At program point L952(line 952) the Hoare annotation is: true [2019-10-15 01:21:54,456 INFO L446 ceAbstractionStarter]: At program point L951(line 951) the Hoare annotation is: true [2019-10-15 01:21:54,456 INFO L446 ceAbstractionStarter]: At program point L951-1(line 951) the Hoare annotation is: true [2019-10-15 01:21:54,456 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 945 967) no Hoare annotation was computed. [2019-10-15 01:21:54,456 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 903 926) no Hoare annotation was computed. [2019-10-15 01:21:54,456 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 903 926) no Hoare annotation was computed. [2019-10-15 01:21:54,456 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 903 926) no Hoare annotation was computed. [2019-10-15 01:21:54,457 INFO L443 ceAbstractionStarter]: For program point L921(line 921) no Hoare annotation was computed. [2019-10-15 01:21:54,457 INFO L443 ceAbstractionStarter]: For program point L920(line 920) no Hoare annotation was computed. [2019-10-15 01:21:54,457 INFO L443 ceAbstractionStarter]: For program point L919(line 919) no Hoare annotation was computed. [2019-10-15 01:21:54,457 INFO L443 ceAbstractionStarter]: For program point L918(line 918) no Hoare annotation was computed. [2019-10-15 01:21:54,457 INFO L443 ceAbstractionStarter]: For program point L917(line 917) no Hoare annotation was computed. [2019-10-15 01:21:54,457 INFO L443 ceAbstractionStarter]: For program point L916(line 916) no Hoare annotation was computed. [2019-10-15 01:21:54,457 INFO L443 ceAbstractionStarter]: For program point L915(line 915) no Hoare annotation was computed. [2019-10-15 01:21:54,457 INFO L443 ceAbstractionStarter]: For program point L914(line 914) no Hoare annotation was computed. [2019-10-15 01:21:54,457 INFO L443 ceAbstractionStarter]: For program point L913(line 913) no Hoare annotation was computed. [2019-10-15 01:21:54,457 INFO L443 ceAbstractionStarter]: For program point L912(line 912) no Hoare annotation was computed. [2019-10-15 01:21:54,457 INFO L443 ceAbstractionStarter]: For program point L911(line 911) no Hoare annotation was computed. [2019-10-15 01:21:54,457 INFO L443 ceAbstractionStarter]: For program point L910(line 910) no Hoare annotation was computed. [2019-10-15 01:21:54,457 INFO L443 ceAbstractionStarter]: For program point L909(line 909) no Hoare annotation was computed. [2019-10-15 01:21:54,458 INFO L443 ceAbstractionStarter]: For program point L908(line 908) no Hoare annotation was computed. [2019-10-15 01:21:54,458 INFO L446 ceAbstractionStarter]: At program point L627(line 627) the Hoare annotation is: true [2019-10-15 01:21:54,458 INFO L443 ceAbstractionStarter]: For program point L627-1(lines 608 632) no Hoare annotation was computed. [2019-10-15 01:21:54,458 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 608 632) the Hoare annotation is: true [2019-10-15 01:21:54,458 INFO L446 ceAbstractionStarter]: At program point L622(line 622) the Hoare annotation is: true [2019-10-15 01:21:54,458 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 608 632) no Hoare annotation was computed. [2019-10-15 01:21:54,458 INFO L446 ceAbstractionStarter]: At program point L618(line 618) the Hoare annotation is: true [2019-10-15 01:21:54,458 INFO L443 ceAbstractionStarter]: For program point L616(lines 616 624) no Hoare annotation was computed. [2019-10-15 01:21:54,458 INFO L446 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: true [2019-10-15 01:21:54,458 INFO L443 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2019-10-15 01:21:54,458 INFO L443 ceAbstractionStarter]: For program point L612(lines 612 629) no Hoare annotation was computed. [2019-10-15 01:21:54,458 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 703 711) no Hoare annotation was computed. [2019-10-15 01:21:54,459 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 703 711) the Hoare annotation is: true [2019-10-15 01:21:54,459 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 703 711) no Hoare annotation was computed. [2019-10-15 01:21:54,459 INFO L443 ceAbstractionStarter]: For program point L731(lines 731 739) no Hoare annotation was computed. [2019-10-15 01:21:54,459 INFO L443 ceAbstractionStarter]: For program point L731-2(lines 731 739) no Hoare annotation was computed. [2019-10-15 01:21:54,459 INFO L443 ceAbstractionStarter]: For program point L719(lines 719 727) no Hoare annotation was computed. [2019-10-15 01:21:54,459 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 712 747) no Hoare annotation was computed. [2019-10-15 01:21:54,459 INFO L443 ceAbstractionStarter]: For program point L719-2(lines 719 727) no Hoare annotation was computed. [2019-10-15 01:21:54,459 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 712 747) no Hoare annotation was computed. [2019-10-15 01:21:54,459 INFO L443 ceAbstractionStarter]: For program point L742(line 742) no Hoare annotation was computed. [2019-10-15 01:21:54,459 INFO L443 ceAbstractionStarter]: For program point L742-1(line 742) no Hoare annotation was computed. [2019-10-15 01:21:54,459 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 712 747) no Hoare annotation was computed. [2019-10-15 01:21:54,459 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 848 854) no Hoare annotation was computed. [2019-10-15 01:21:54,459 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 848 854) the Hoare annotation is: true [2019-10-15 01:21:54,460 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 156 201) no Hoare annotation was computed. [2019-10-15 01:21:54,460 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 156 201) no Hoare annotation was computed. [2019-10-15 01:21:54,460 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 156 201) no Hoare annotation was computed. [2019-10-15 01:21:54,460 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 469 514) no Hoare annotation was computed. [2019-10-15 01:21:54,460 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 469 514) no Hoare annotation was computed. [2019-10-15 01:21:54,460 INFO L443 ceAbstractionStarter]: For program point L489(lines 489 496) no Hoare annotation was computed. [2019-10-15 01:21:54,460 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 469 514) no Hoare annotation was computed. [2019-10-15 01:21:54,460 INFO L443 ceAbstractionStarter]: For program point L483(lines 483 503) no Hoare annotation was computed. [2019-10-15 01:21:54,460 INFO L443 ceAbstractionStarter]: For program point L483-1(lines 483 503) no Hoare annotation was computed. [2019-10-15 01:21:54,460 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 934 944) the Hoare annotation is: true [2019-10-15 01:21:54,460 INFO L446 ceAbstractionStarter]: At program point L939(line 939) the Hoare annotation is: true [2019-10-15 01:21:54,460 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 934 944) no Hoare annotation was computed. [2019-10-15 01:21:54,461 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 934 944) no Hoare annotation was computed. [2019-10-15 01:21:54,461 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 692 702) the Hoare annotation is: true [2019-10-15 01:21:54,461 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 692 702) no Hoare annotation was computed. [2019-10-15 01:21:54,461 INFO L446 ceAbstractionStarter]: At program point L697(line 697) the Hoare annotation is: true [2019-10-15 01:21:54,461 INFO L443 ceAbstractionStarter]: For program point L697-1(line 697) no Hoare annotation was computed. [2019-10-15 01:21:54,461 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 692 702) no Hoare annotation was computed. [2019-10-15 01:21:54,461 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 684 691) the Hoare annotation is: true [2019-10-15 01:21:54,461 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 684 691) no Hoare annotation was computed. [2019-10-15 01:21:54,462 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 684 691) no Hoare annotation was computed. [2019-10-15 01:21:54,462 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2019-10-15 01:21:54,462 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2019-10-15 01:21:54,462 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 136) no Hoare annotation was computed. [2019-10-15 01:21:54,462 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2019-10-15 01:21:54,463 INFO L446 ceAbstractionStarter]: At program point L640(line 640) the Hoare annotation is: true [2019-10-15 01:21:54,463 INFO L443 ceAbstractionStarter]: For program point L640-1(line 640) no Hoare annotation was computed. [2019-10-15 01:21:54,463 INFO L443 ceAbstractionStarter]: For program point L638(lines 638 655) no Hoare annotation was computed. [2019-10-15 01:21:54,463 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 634 658) no Hoare annotation was computed. [2019-10-15 01:21:54,463 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 634 658) the Hoare annotation is: true [2019-10-15 01:21:54,463 INFO L446 ceAbstractionStarter]: At program point L653(line 653) the Hoare annotation is: true [2019-10-15 01:21:54,463 INFO L443 ceAbstractionStarter]: For program point L653-1(lines 634 658) no Hoare annotation was computed. [2019-10-15 01:21:54,464 INFO L446 ceAbstractionStarter]: At program point L648(line 648) the Hoare annotation is: true [2019-10-15 01:21:54,464 INFO L446 ceAbstractionStarter]: At program point L644(line 644) the Hoare annotation is: true [2019-10-15 01:21:54,464 INFO L443 ceAbstractionStarter]: For program point L642(lines 642 650) no Hoare annotation was computed. [2019-10-15 01:21:54,464 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 600 606) no Hoare annotation was computed. [2019-10-15 01:21:54,464 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 600 606) the Hoare annotation is: true [2019-10-15 01:21:54,464 INFO L446 ceAbstractionStarter]: At program point L801(line 801) the Hoare annotation is: true [2019-10-15 01:21:54,464 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 769 832) the Hoare annotation is: true [2019-10-15 01:21:54,465 INFO L443 ceAbstractionStarter]: For program point L799(lines 799 805) no Hoare annotation was computed. [2019-10-15 01:21:54,465 INFO L443 ceAbstractionStarter]: For program point L799-1(lines 799 805) no Hoare annotation was computed. [2019-10-15 01:21:54,465 INFO L446 ceAbstractionStarter]: At program point L791(line 791) the Hoare annotation is: true [2019-10-15 01:21:54,465 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 769 832) no Hoare annotation was computed. [2019-10-15 01:21:54,465 INFO L446 ceAbstractionStarter]: At program point L822(lines 779 824) the Hoare annotation is: true [2019-10-15 01:21:54,465 INFO L443 ceAbstractionStarter]: For program point L789(lines 789 795) no Hoare annotation was computed. [2019-10-15 01:21:54,465 INFO L443 ceAbstractionStarter]: For program point L789-1(lines 789 795) no Hoare annotation was computed. [2019-10-15 01:21:54,465 INFO L443 ceAbstractionStarter]: For program point L781(lines 781 785) no Hoare annotation was computed. [2019-10-15 01:21:54,466 INFO L446 ceAbstractionStarter]: At program point L825(lines 778 826) the Hoare annotation is: true [2019-10-15 01:21:54,466 INFO L443 ceAbstractionStarter]: For program point L815(lines 815 819) no Hoare annotation was computed. [2019-10-15 01:21:54,466 INFO L446 ceAbstractionStarter]: At program point L815-2(lines 809 820) the Hoare annotation is: true [2019-10-15 01:21:54,466 INFO L443 ceAbstractionStarter]: For program point L780(lines 779 824) no Hoare annotation was computed. [2019-10-15 01:21:54,466 INFO L443 ceAbstractionStarter]: For program point L809(lines 809 820) no Hoare annotation was computed. [2019-10-15 01:21:54,466 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 769 832) no Hoare annotation was computed. [2019-10-15 01:21:54,466 INFO L443 ceAbstractionStarter]: For program point L443(lines 443 450) no Hoare annotation was computed. [2019-10-15 01:21:54,466 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 423 468) no Hoare annotation was computed. [2019-10-15 01:21:54,466 INFO L443 ceAbstractionStarter]: For program point L437(lines 437 457) no Hoare annotation was computed. [2019-10-15 01:21:54,467 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 423 468) no Hoare annotation was computed. [2019-10-15 01:21:54,467 INFO L443 ceAbstractionStarter]: For program point L437-1(lines 437 457) no Hoare annotation was computed. [2019-10-15 01:21:54,467 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 423 468) no Hoare annotation was computed. [2019-10-15 01:21:54,467 INFO L446 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 659 666) the Hoare annotation is: true [2019-10-15 01:21:54,467 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 659 666) no Hoare annotation was computed. [2019-10-15 01:21:54,467 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 659 666) no Hoare annotation was computed. [2019-10-15 01:21:54,467 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2019-10-15 01:21:54,467 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 110) no Hoare annotation was computed. [2019-10-15 01:21:54,468 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2019-10-15 01:21:54,468 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2019-10-15 01:21:54,468 INFO L443 ceAbstractionStarter]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2019-10-15 01:21:54,468 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 320 422) no Hoare annotation was computed. [2019-10-15 01:21:54,468 INFO L443 ceAbstractionStarter]: For program point L349(lines 349 365) no Hoare annotation was computed. [2019-10-15 01:21:54,468 INFO L443 ceAbstractionStarter]: For program point L409(lines 409 416) no Hoare annotation was computed. [2019-10-15 01:21:54,468 INFO L443 ceAbstractionStarter]: For program point L370(lines 369 389) no Hoare annotation was computed. [2019-10-15 01:21:54,468 INFO L443 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2019-10-15 01:21:54,468 INFO L443 ceAbstractionStarter]: For program point L401-1(line 401) no Hoare annotation was computed. [2019-10-15 01:21:54,469 INFO L443 ceAbstractionStarter]: For program point L366(lines 366 407) no Hoare annotation was computed. [2019-10-15 01:21:54,469 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 320 422) no Hoare annotation was computed. [2019-10-15 01:21:54,469 INFO L443 ceAbstractionStarter]: For program point L385(line 385) no Hoare annotation was computed. [2019-10-15 01:21:54,469 INFO L443 ceAbstractionStarter]: For program point L385-1(line 385) no Hoare annotation was computed. [2019-10-15 01:21:54,469 INFO L443 ceAbstractionStarter]: For program point L344(lines 344 348) no Hoare annotation was computed. [2019-10-15 01:21:54,469 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 419) no Hoare annotation was computed. [2019-10-15 01:21:54,469 INFO L443 ceAbstractionStarter]: For program point L371(lines 371 375) no Hoare annotation was computed. [2019-10-15 01:21:54,470 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 320 422) no Hoare annotation was computed. [2019-10-15 01:21:54,470 INFO L443 ceAbstractionStarter]: For program point L369-2(lines 369 389) no Hoare annotation was computed. [2019-10-15 01:21:54,470 INFO L443 ceAbstractionStarter]: For program point L390(lines 368 391) no Hoare annotation was computed. [2019-10-15 01:21:54,470 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 838 847) no Hoare annotation was computed. [2019-10-15 01:21:54,470 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 838 847) no Hoare annotation was computed. [2019-10-15 01:21:54,470 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 838 847) no Hoare annotation was computed. [2019-10-15 01:21:54,470 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:21:54,470 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= 1 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2019-10-15 01:21:54,471 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:21:54,471 INFO L446 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2019-10-15 01:21:54,471 INFO L443 ceAbstractionStarter]: For program point L672-1(line 672) no Hoare annotation was computed. [2019-10-15 01:21:54,471 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 667 683) no Hoare annotation was computed. [2019-10-15 01:21:54,471 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 667 683) the Hoare annotation is: true [2019-10-15 01:21:54,471 INFO L446 ceAbstractionStarter]: At program point L678(line 678) the Hoare annotation is: true [2019-10-15 01:21:54,471 INFO L443 ceAbstractionStarter]: For program point L678-1(lines 667 683) no Hoare annotation was computed. [2019-10-15 01:21:54,471 INFO L443 ceAbstractionStarter]: For program point L674(lines 674 680) no Hoare annotation was computed. [2019-10-15 01:21:54,471 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2019-10-15 01:21:54,472 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2019-10-15 01:21:54,472 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2019-10-15 01:21:54,472 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 748 766) no Hoare annotation was computed. [2019-10-15 01:21:54,472 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 748 766) the Hoare annotation is: true [2019-10-15 01:21:54,472 INFO L443 ceAbstractionStarter]: For program point L757(lines 757 761) no Hoare annotation was computed. [2019-10-15 01:21:54,472 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 748 766) no Hoare annotation was computed. [2019-10-15 01:21:54,472 INFO L446 ceAbstractionStarter]: At program point L755(line 755) the Hoare annotation is: true [2019-10-15 01:21:54,472 INFO L443 ceAbstractionStarter]: For program point L757-2(lines 757 761) no Hoare annotation was computed. [2019-10-15 01:21:54,473 INFO L443 ceAbstractionStarter]: For program point L755-1(line 755) no Hoare annotation was computed. [2019-10-15 01:21:54,473 INFO L443 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2019-10-15 01:21:54,473 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: true [2019-10-15 01:21:54,473 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2019-10-15 01:21:54,473 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:21:54,473 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 01:21:54,473 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:21:54,473 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2019-10-15 01:21:54,474 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2019-10-15 01:21:54,474 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2019-10-15 01:21:54,474 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 573 599) the Hoare annotation is: true [2019-10-15 01:21:54,474 INFO L446 ceAbstractionStarter]: At program point L589(line 589) the Hoare annotation is: true [2019-10-15 01:21:54,474 INFO L446 ceAbstractionStarter]: At program point L587(lines 587 593) the Hoare annotation is: true [2019-10-15 01:21:54,474 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 573 599) no Hoare annotation was computed. [2019-10-15 01:21:54,474 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 573 599) no Hoare annotation was computed. [2019-10-15 01:21:54,474 INFO L446 ceAbstractionStarter]: At program point L582(line 582) the Hoare annotation is: true [2019-10-15 01:21:54,475 INFO L443 ceAbstractionStarter]: For program point L580(lines 576 598) no Hoare annotation was computed. [2019-10-15 01:21:54,475 INFO L443 ceAbstractionStarter]: For program point L578(lines 576 598) no Hoare annotation was computed. [2019-10-15 01:21:54,475 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 873 902) no Hoare annotation was computed. [2019-10-15 01:21:54,475 INFO L443 ceAbstractionStarter]: For program point L894(line 894) no Hoare annotation was computed. [2019-10-15 01:21:54,475 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 873 902) the Hoare annotation is: true [2019-10-15 01:21:54,475 INFO L443 ceAbstractionStarter]: For program point L887(lines 887 891) no Hoare annotation was computed. [2019-10-15 01:21:54,475 INFO L446 ceAbstractionStarter]: At program point L887-1(lines 887 891) the Hoare annotation is: true [2019-10-15 01:21:54,475 INFO L443 ceAbstractionStarter]: For program point L884(line 884) no Hoare annotation was computed. [2019-10-15 01:21:54,475 INFO L446 ceAbstractionStarter]: At program point L883-2(lines 883 897) the Hoare annotation is: true [2019-10-15 01:21:54,476 INFO L446 ceAbstractionStarter]: At program point L879(line 879) the Hoare annotation is: true [2019-10-15 01:21:54,476 INFO L443 ceAbstractionStarter]: For program point L879-1(line 879) no Hoare annotation was computed. [2019-10-15 01:21:54,476 INFO L446 ceAbstractionStarter]: At program point L898(lines 873 902) the Hoare annotation is: true [2019-10-15 01:21:54,476 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2019-10-15 01:21:54,476 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2019-10-15 01:21:54,476 INFO L443 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2019-10-15 01:21:54,476 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 927 933) no Hoare annotation was computed. [2019-10-15 01:21:54,477 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 927 933) the Hoare annotation is: true [2019-10-15 01:21:54,477 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:21:54,477 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-15 01:21:54,477 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:21:54,477 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:21:54,477 INFO L443 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2019-10-15 01:21:54,477 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2019-10-15 01:21:54,477 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: true [2019-10-15 01:21:54,478 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 141 148) no Hoare annotation was computed. [2019-10-15 01:21:54,478 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2019-10-15 01:21:54,478 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 141 148) the Hoare annotation is: true [2019-10-15 01:21:54,478 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 141 148) no Hoare annotation was computed. [2019-10-15 01:21:54,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:21:54 BoogieIcfgContainer [2019-10-15 01:21:54,490 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:21:54,493 INFO L168 Benchmark]: Toolchain (without parser) took 9641.28 ms. Allocated memory was 144.2 MB in the beginning and 364.4 MB in the end (delta: 220.2 MB). Free memory was 102.2 MB in the beginning and 305.6 MB in the end (delta: -203.3 MB). Peak memory consumption was 194.7 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:54,494 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 144.2 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-15 01:21:54,495 INFO L168 Benchmark]: CACSL2BoogieTranslator took 634.46 ms. Allocated memory was 144.2 MB in the beginning and 203.9 MB in the end (delta: 59.8 MB). Free memory was 102.0 MB in the beginning and 170.8 MB in the end (delta: -68.8 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:54,501 INFO L168 Benchmark]: Boogie Preprocessor took 101.16 ms. Allocated memory is still 203.9 MB. Free memory was 170.8 MB in the beginning and 166.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:54,502 INFO L168 Benchmark]: RCFGBuilder took 1190.90 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 166.8 MB in the beginning and 196.5 MB in the end (delta: -29.7 MB). Peak memory consumption was 82.0 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:54,503 INFO L168 Benchmark]: TraceAbstraction took 7709.11 ms. Allocated memory was 237.0 MB in the beginning and 364.4 MB in the end (delta: 127.4 MB). Free memory was 196.5 MB in the beginning and 305.6 MB in the end (delta: -109.1 MB). Peak memory consumption was 196.1 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:54,515 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 144.2 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 634.46 ms. Allocated memory was 144.2 MB in the beginning and 203.9 MB in the end (delta: 59.8 MB). Free memory was 102.0 MB in the beginning and 170.8 MB in the end (delta: -68.8 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.16 ms. Allocated memory is still 203.9 MB. Free memory was 170.8 MB in the beginning and 166.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1190.90 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 166.8 MB in the beginning and 196.5 MB in the end (delta: -29.7 MB). Peak memory consumption was 82.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7709.11 ms. Allocated memory was 237.0 MB in the beginning and 364.4 MB in the end (delta: 127.4 MB). Free memory was 196.5 MB in the beginning and 305.6 MB in the end (delta: -109.1 MB). Peak memory consumption was 196.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 145]: 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: 778]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 779]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 242 locations, 1 error locations. Result: SAFE, OverallTime: 7.6s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 1636 SDtfs, 1239 SDslu, 3244 SDs, 0 SdLazy, 1893 SolverSat, 489 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 271 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=756occurred in iteration=9, 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, 10 MinimizatonAttempts, 147 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 1043 PreInvPairs, 1049 NumberOfFragments, 74 HoareAnnotationTreeSize, 1043 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 64 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 1166 NumberOfCodeBlocks, 1166 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1324 ConstructedInterpolants, 0 QuantifiedInterpolants, 272906 SizeOfPredicates, 4 NumberOfNonLiveVariables, 948 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 148/177 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 151, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.8106508875739645, 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...