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_product55.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:22:52,319 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:22:52,322 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:22:52,334 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:22:52,335 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:22:52,336 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:22:52,337 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:22:52,339 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:22:52,341 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:22:52,342 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:22:52,343 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:22:52,344 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:22:52,345 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:22:52,346 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:22:52,347 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:22:52,348 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:22:52,349 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:22:52,349 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:22:52,351 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:22:52,353 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:22:52,355 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:22:52,356 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:22:52,357 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:22:52,358 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:22:52,360 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:22:52,360 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:22:52,361 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:22:52,361 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:22:52,362 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:22:52,363 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:22:52,363 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:22:52,364 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:22:52,365 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:22:52,365 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:22:52,367 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:22:52,367 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:22:52,367 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:22:52,368 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:22:52,368 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:22:52,369 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:22:52,370 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:22:52,371 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 21:22:52,386 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:22:52,386 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:22:52,387 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:22:52,388 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:22:52,388 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:22:52,388 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:22:52,388 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:22:52,389 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:22:52,389 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:22:52,389 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:22:52,389 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:22:52,389 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:22:52,390 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:22:52,390 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:22:52,390 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:22:52,390 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:22:52,390 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:22:52,391 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:22:52,391 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:22:52,391 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:22:52,391 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:22:52,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:22:52,392 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:22:52,392 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:22:52,392 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:22:52,392 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:22:52,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:22:52,393 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:22:52,393 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 21:22:52,683 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:22:52,700 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:22:52,706 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:22:52,708 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:22:52,709 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:22:52,710 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product55.cil.c [2019-10-13 21:22:52,797 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4c1c8335/ceead8300ae04fce982aafef50199f9c/FLAG8c60dd1c8 [2019-10-13 21:22:53,373 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:22:53,373 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product55.cil.c [2019-10-13 21:22:53,389 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4c1c8335/ceead8300ae04fce982aafef50199f9c/FLAG8c60dd1c8 [2019-10-13 21:22:53,655 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4c1c8335/ceead8300ae04fce982aafef50199f9c [2019-10-13 21:22:53,667 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:22:53,669 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:22:53,673 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:22:53,673 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:22:53,678 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:22:53,679 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:53" (1/1) ... [2019-10-13 21:22:53,682 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76e884bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:53, skipping insertion in model container [2019-10-13 21:22:53,683 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:53" (1/1) ... [2019-10-13 21:22:53,693 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:22:53,754 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:22:54,238 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:54,268 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:22:54,406 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:54,447 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:22:54,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:54 WrapperNode [2019-10-13 21:22:54,447 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:22:54,448 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:22:54,448 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:22:54,448 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:22:54,460 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:54" (1/1) ... [2019-10-13 21:22:54,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:54" (1/1) ... [2019-10-13 21:22:54,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:54" (1/1) ... [2019-10-13 21:22:54,479 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:54" (1/1) ... [2019-10-13 21:22:54,510 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:54" (1/1) ... [2019-10-13 21:22:54,521 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:54" (1/1) ... [2019-10-13 21:22:54,527 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:54" (1/1) ... [2019-10-13 21:22:54,541 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:22:54,542 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:22:54,545 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:22:54,546 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:22:54,547 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:54" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:22:54,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:22:54,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:22:54,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:54,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:54,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:54,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:54,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:22:54,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:22:54,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:22:54,635 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:22:54,636 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:22:54,636 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:22:54,636 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:22:54,637 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:22:54,637 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:22:54,638 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:22:54,640 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:22:54,641 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:22:54,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:22:54,642 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:22:54,642 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:22:54,642 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:22:54,642 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:22:54,642 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:22:54,642 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:22:54,643 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:22:54,643 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 21:22:54,643 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 21:22:54,643 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:22:54,643 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:22:54,643 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:22:54,643 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-13 21:22:54,644 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:22:54,644 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:22:54,644 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:22:54,644 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:22:54,645 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:22:54,645 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:22:54,645 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 21:22:54,645 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 21:22:54,645 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 21:22:54,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-13 21:22:54,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-13 21:22:54,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-13 21:22:54,646 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:22:54,646 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:22:54,646 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:22:54,647 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:22:54,647 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:22:54,647 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:22:54,647 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:54,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:22:54,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:22:54,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:22:54,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:22:54,648 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:54,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:22:54,648 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:54,648 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:54,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:22:54,649 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:22:54,649 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:22:54,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:22:54,650 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:22:54,650 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:22:54,650 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:22:54,650 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:22:54,651 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:22:54,651 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:22:54,651 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:22:54,651 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:22:54,651 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-13 21:22:54,651 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:22:54,652 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:22:54,652 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:22:54,653 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:22:54,653 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:22:54,653 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:22:54,653 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:22:54,654 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:22:54,654 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 21:22:54,654 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:22:54,654 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:22:54,654 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:22:54,655 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:22:54,655 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 21:22:54,656 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 21:22:54,656 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:22:54,656 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:22:54,657 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:22:54,657 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-13 21:22:54,657 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-13 21:22:54,657 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:22:54,657 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:22:54,657 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 21:22:54,658 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:22:54,658 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 21:22:54,658 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-13 21:22:54,658 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:22:54,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:22:54,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:22:54,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:22:56,013 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:22:56,014 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:22:56,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:56 BoogieIcfgContainer [2019-10-13 21:22:56,016 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:22:56,017 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:22:56,017 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:22:56,020 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:22:56,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:22:53" (1/3) ... [2019-10-13 21:22:56,022 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@711749b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:56, skipping insertion in model container [2019-10-13 21:22:56,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:54" (2/3) ... [2019-10-13 21:22:56,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@711749b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:56, skipping insertion in model container [2019-10-13 21:22:56,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:56" (3/3) ... [2019-10-13 21:22:56,025 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product55.cil.c [2019-10-13 21:22:56,036 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:22:56,047 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:22:56,059 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:22:56,098 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:22:56,099 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:22:56,099 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:22:56,099 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:22:56,099 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:22:56,100 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:22:56,100 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:22:56,101 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:22:56,124 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states. [2019-10-13 21:22:56,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-13 21:22:56,139 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:56,140 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] [2019-10-13 21:22:56,145 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:56,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:56,152 INFO L82 PathProgramCache]: Analyzing trace with hash -1039510468, now seen corresponding path program 1 times [2019-10-13 21:22:56,163 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:56,163 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256069358] [2019-10-13 21:22:56,164 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:56,164 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:56,164 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:56,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:56,562 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:56,563 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256069358] [2019-10-13 21:22:56,564 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:56,565 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:22:56,565 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541395431] [2019-10-13 21:22:56,570 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:22:56,572 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:56,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:22:56,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:56,589 INFO L87 Difference]: Start difference. First operand 205 states. Second operand 2 states. [2019-10-13 21:22:56,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:56,640 INFO L93 Difference]: Finished difference Result 320 states and 397 transitions. [2019-10-13 21:22:56,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:22:56,641 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-10-13 21:22:56,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:56,656 INFO L225 Difference]: With dead ends: 320 [2019-10-13 21:22:56,656 INFO L226 Difference]: Without dead ends: 162 [2019-10-13 21:22:56,662 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:56,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2019-10-13 21:22:56,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2019-10-13 21:22:56,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2019-10-13 21:22:56,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 192 transitions. [2019-10-13 21:22:56,725 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 192 transitions. Word has length 59 [2019-10-13 21:22:56,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:56,726 INFO L462 AbstractCegarLoop]: Abstraction has 162 states and 192 transitions. [2019-10-13 21:22:56,726 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:22:56,726 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 192 transitions. [2019-10-13 21:22:56,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-13 21:22:56,732 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:56,732 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] [2019-10-13 21:22:56,733 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:56,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:56,733 INFO L82 PathProgramCache]: Analyzing trace with hash -1700142027, now seen corresponding path program 1 times [2019-10-13 21:22:56,734 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:56,734 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400550700] [2019-10-13 21:22:56,734 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:56,735 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:56,735 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:56,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:56,869 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:56,870 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400550700] [2019-10-13 21:22:56,870 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:56,870 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:22:56,870 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232025311] [2019-10-13 21:22:56,872 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:22:56,873 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:56,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:22:56,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:22:56,873 INFO L87 Difference]: Start difference. First operand 162 states and 192 transitions. Second operand 3 states. [2019-10-13 21:22:56,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:56,900 INFO L93 Difference]: Finished difference Result 263 states and 311 transitions. [2019-10-13 21:22:56,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:22:56,901 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-10-13 21:22:56,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:56,904 INFO L225 Difference]: With dead ends: 263 [2019-10-13 21:22:56,904 INFO L226 Difference]: Without dead ends: 153 [2019-10-13 21:22:56,906 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:22:56,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2019-10-13 21:22:56,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2019-10-13 21:22:56,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2019-10-13 21:22:56,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 180 transitions. [2019-10-13 21:22:56,924 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 180 transitions. Word has length 60 [2019-10-13 21:22:56,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:56,925 INFO L462 AbstractCegarLoop]: Abstraction has 153 states and 180 transitions. [2019-10-13 21:22:56,925 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:22:56,925 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 180 transitions. [2019-10-13 21:22:56,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-13 21:22:56,928 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:56,929 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] [2019-10-13 21:22:56,929 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:56,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:56,929 INFO L82 PathProgramCache]: Analyzing trace with hash -1740397712, now seen corresponding path program 1 times [2019-10-13 21:22:56,930 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:56,930 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030658296] [2019-10-13 21:22:56,930 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:56,930 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:56,931 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:56,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:57,133 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:57,134 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030658296] [2019-10-13 21:22:57,134 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:57,134 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:22:57,134 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637715379] [2019-10-13 21:22:57,135 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:22:57,136 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:57,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:22:57,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:57,136 INFO L87 Difference]: Start difference. First operand 153 states and 180 transitions. Second operand 7 states. [2019-10-13 21:22:57,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:57,735 INFO L93 Difference]: Finished difference Result 459 states and 558 transitions. [2019-10-13 21:22:57,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:22:57,735 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2019-10-13 21:22:57,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:57,741 INFO L225 Difference]: With dead ends: 459 [2019-10-13 21:22:57,742 INFO L226 Difference]: Without dead ends: 334 [2019-10-13 21:22:57,744 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:22:57,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2019-10-13 21:22:57,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 326. [2019-10-13 21:22:57,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 326 states. [2019-10-13 21:22:57,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 396 transitions. [2019-10-13 21:22:57,831 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 396 transitions. Word has length 64 [2019-10-13 21:22:57,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:57,832 INFO L462 AbstractCegarLoop]: Abstraction has 326 states and 396 transitions. [2019-10-13 21:22:57,832 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:22:57,833 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 396 transitions. [2019-10-13 21:22:57,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-13 21:22:57,845 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:57,845 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] [2019-10-13 21:22:57,845 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:57,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:57,846 INFO L82 PathProgramCache]: Analyzing trace with hash -1889366184, now seen corresponding path program 1 times [2019-10-13 21:22:57,846 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:57,849 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982476443] [2019-10-13 21:22:57,850 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:57,850 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:57,850 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:57,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:58,057 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:22:58,057 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982476443] [2019-10-13 21:22:58,058 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:58,058 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:22:58,058 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189794117] [2019-10-13 21:22:58,059 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:22:58,059 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:58,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:22:58,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:58,065 INFO L87 Difference]: Start difference. First operand 326 states and 396 transitions. Second operand 7 states. [2019-10-13 21:22:58,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:58,898 INFO L93 Difference]: Finished difference Result 819 states and 1066 transitions. [2019-10-13 21:22:58,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 21:22:58,899 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2019-10-13 21:22:58,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:58,904 INFO L225 Difference]: With dead ends: 819 [2019-10-13 21:22:58,905 INFO L226 Difference]: Without dead ends: 521 [2019-10-13 21:22:58,907 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-13 21:22:58,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2019-10-13 21:22:58,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 468. [2019-10-13 21:22:58,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2019-10-13 21:22:58,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 565 transitions. [2019-10-13 21:22:58,954 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 565 transitions. Word has length 70 [2019-10-13 21:22:58,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:58,954 INFO L462 AbstractCegarLoop]: Abstraction has 468 states and 565 transitions. [2019-10-13 21:22:58,955 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:22:58,955 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 565 transitions. [2019-10-13 21:22:58,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-10-13 21:22:58,957 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:58,957 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] [2019-10-13 21:22:58,958 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:58,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:58,958 INFO L82 PathProgramCache]: Analyzing trace with hash 1315837753, now seen corresponding path program 1 times [2019-10-13 21:22:58,958 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:58,959 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832894688] [2019-10-13 21:22:58,959 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:58,959 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:58,959 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:58,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:59,048 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:59,048 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832894688] [2019-10-13 21:22:59,048 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:59,049 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:22:59,049 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361495992] [2019-10-13 21:22:59,050 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:22:59,050 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:59,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:22:59,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:22:59,051 INFO L87 Difference]: Start difference. First operand 468 states and 565 transitions. Second operand 6 states. [2019-10-13 21:22:59,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:59,102 INFO L93 Difference]: Finished difference Result 918 states and 1131 transitions. [2019-10-13 21:22:59,102 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:22:59,103 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 97 [2019-10-13 21:22:59,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:59,107 INFO L225 Difference]: With dead ends: 918 [2019-10-13 21:22:59,107 INFO L226 Difference]: Without dead ends: 478 [2019-10-13 21:22:59,109 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 [2019-10-13 21:22:59,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2019-10-13 21:22:59,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 478. [2019-10-13 21:22:59,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 478 states. [2019-10-13 21:22:59,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 575 transitions. [2019-10-13 21:22:59,143 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 575 transitions. Word has length 97 [2019-10-13 21:22:59,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:59,144 INFO L462 AbstractCegarLoop]: Abstraction has 478 states and 575 transitions. [2019-10-13 21:22:59,144 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:22:59,144 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 575 transitions. [2019-10-13 21:22:59,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-10-13 21:22:59,146 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:59,146 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:59,146 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:59,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:59,147 INFO L82 PathProgramCache]: Analyzing trace with hash 1243451195, now seen corresponding path program 1 times [2019-10-13 21:22:59,147 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:59,147 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759617974] [2019-10-13 21:22:59,148 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:59,148 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:59,148 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:59,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:59,250 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:59,251 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759617974] [2019-10-13 21:22:59,251 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:59,252 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 21:22:59,252 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64882679] [2019-10-13 21:22:59,253 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:22:59,253 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:59,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:22:59,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:22:59,254 INFO L87 Difference]: Start difference. First operand 478 states and 575 transitions. Second operand 8 states. [2019-10-13 21:22:59,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:59,327 INFO L93 Difference]: Finished difference Result 942 states and 1174 transitions. [2019-10-13 21:22:59,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:22:59,328 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 97 [2019-10-13 21:22:59,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:59,332 INFO L225 Difference]: With dead ends: 942 [2019-10-13 21:22:59,332 INFO L226 Difference]: Without dead ends: 492 [2019-10-13 21:22:59,334 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 [2019-10-13 21:22:59,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2019-10-13 21:22:59,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 486. [2019-10-13 21:22:59,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 486 states. [2019-10-13 21:22:59,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 583 transitions. [2019-10-13 21:22:59,363 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 583 transitions. Word has length 97 [2019-10-13 21:22:59,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:59,364 INFO L462 AbstractCegarLoop]: Abstraction has 486 states and 583 transitions. [2019-10-13 21:22:59,364 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:22:59,364 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 583 transitions. [2019-10-13 21:22:59,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-10-13 21:22:59,366 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:59,366 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] [2019-10-13 21:22:59,366 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:59,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:59,367 INFO L82 PathProgramCache]: Analyzing trace with hash 1573216956, now seen corresponding path program 1 times [2019-10-13 21:22:59,367 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:59,367 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21797990] [2019-10-13 21:22:59,367 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:59,367 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:59,368 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:59,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:59,465 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:59,466 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21797990] [2019-10-13 21:22:59,466 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:59,466 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:22:59,468 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938354388] [2019-10-13 21:22:59,469 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:22:59,469 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:59,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:22:59,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:22:59,470 INFO L87 Difference]: Start difference. First operand 486 states and 583 transitions. Second operand 4 states. [2019-10-13 21:22:59,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:59,752 INFO L93 Difference]: Finished difference Result 1550 states and 1948 transitions. [2019-10-13 21:22:59,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 21:22:59,753 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 97 [2019-10-13 21:22:59,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:59,760 INFO L225 Difference]: With dead ends: 1550 [2019-10-13 21:22:59,760 INFO L226 Difference]: Without dead ends: 1092 [2019-10-13 21:22:59,763 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:22:59,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2019-10-13 21:22:59,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 1075. [2019-10-13 21:22:59,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1075 states. [2019-10-13 21:22:59,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 1075 states and 1324 transitions. [2019-10-13 21:22:59,841 INFO L78 Accepts]: Start accepts. Automaton has 1075 states and 1324 transitions. Word has length 97 [2019-10-13 21:22:59,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:59,842 INFO L462 AbstractCegarLoop]: Abstraction has 1075 states and 1324 transitions. [2019-10-13 21:22:59,842 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:22:59,842 INFO L276 IsEmpty]: Start isEmpty. Operand 1075 states and 1324 transitions. [2019-10-13 21:22:59,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2019-10-13 21:22:59,845 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:59,845 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] [2019-10-13 21:22:59,845 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:59,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:59,846 INFO L82 PathProgramCache]: Analyzing trace with hash 164101122, now seen corresponding path program 1 times [2019-10-13 21:22:59,846 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:59,846 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837189386] [2019-10-13 21:22:59,846 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:59,846 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:59,847 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:59,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:00,048 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:23:00,049 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837189386] [2019-10-13 21:23:00,049 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:23:00,049 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 21:23:00,049 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123796071] [2019-10-13 21:23:00,051 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 21:23:00,051 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:00,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 21:23:00,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:23:00,052 INFO L87 Difference]: Start difference. First operand 1075 states and 1324 transitions. Second operand 9 states. [2019-10-13 21:23:01,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:01,312 INFO L93 Difference]: Finished difference Result 2922 states and 3768 transitions. [2019-10-13 21:23:01,313 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-13 21:23:01,313 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 101 [2019-10-13 21:23:01,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:01,354 INFO L225 Difference]: With dead ends: 2922 [2019-10-13 21:23:01,355 INFO L226 Difference]: Without dead ends: 2067 [2019-10-13 21:23:01,359 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 [2019-10-13 21:23:01,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2067 states. [2019-10-13 21:23:01,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2067 to 1836. [2019-10-13 21:23:01,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1836 states. [2019-10-13 21:23:01,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1836 states to 1836 states and 2223 transitions. [2019-10-13 21:23:01,483 INFO L78 Accepts]: Start accepts. Automaton has 1836 states and 2223 transitions. Word has length 101 [2019-10-13 21:23:01,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:01,484 INFO L462 AbstractCegarLoop]: Abstraction has 1836 states and 2223 transitions. [2019-10-13 21:23:01,484 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 21:23:01,484 INFO L276 IsEmpty]: Start isEmpty. Operand 1836 states and 2223 transitions. [2019-10-13 21:23:01,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-10-13 21:23:01,489 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:01,489 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:23:01,489 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:01,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:01,490 INFO L82 PathProgramCache]: Analyzing trace with hash 1947078735, now seen corresponding path program 1 times [2019-10-13 21:23:01,490 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:01,490 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20664444] [2019-10-13 21:23:01,490 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:01,491 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:01,491 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:01,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:01,650 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 22 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-13 21:23:01,651 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20664444] [2019-10-13 21:23:01,651 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2107294151] [2019-10-13 21:23:01,651 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:23:01,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:01,930 INFO L256 TraceCheckSpWp]: Trace formula consists of 976 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-13 21:23:01,951 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:23:02,318 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 29 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:23:02,318 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:23:02,821 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 22 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-13 21:23:02,821 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [198747705] [2019-10-13 21:23:02,828 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 179 [2019-10-13 21:23:02,891 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-13 21:23:02,891 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-13 21:23:02,980 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-13 21:23:02,982 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. [2019-10-13 21:23:02,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:02,986 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-13 21:23:03,096 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-13 21:23:03,096 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-13 21:23:03,100 INFO L553 sIntCurrentIteration]: We unified 177 AI predicates to 177 [2019-10-13 21:23:03,100 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-13 21:23:03,101 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-13 21:23:03,102 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11, 7, 7] total 19 [2019-10-13 21:23:03,102 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540300955] [2019-10-13 21:23:03,103 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:23:03,103 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:03,104 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-13 21:23:03,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:23:03,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:23:03,104 INFO L87 Difference]: Start difference. First operand 1836 states and 2223 transitions. Second operand 2 states. [2019-10-13 21:23:03,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:03,130 INFO L93 Difference]: Finished difference Result 1836 states and 2223 transitions. [2019-10-13 21:23:03,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:23:03,130 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 178 [2019-10-13 21:23:03,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:03,131 INFO L225 Difference]: With dead ends: 1836 [2019-10-13 21:23:03,131 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:23:03,136 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:23:03,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:23:03,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:23:03,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:23:03,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:23:03,137 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 178 [2019-10-13 21:23:03,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:03,138 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:23:03,138 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:23:03,138 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:23:03,138 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:23:03,354 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:23:03,359 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:23:03,816 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2019-10-13 21:23:03,816 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2019-10-13 21:23:03,817 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-10-13 21:23:03,817 INFO L443 ceAbstractionStarter]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2019-10-13 21:23:03,817 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2019-10-13 21:23:03,817 INFO L443 ceAbstractionStarter]: For program point L139(lines 116 140) no Hoare annotation was computed. [2019-10-13 21:23:03,817 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2019-10-13 21:23:03,818 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2019-10-13 21:23:03,818 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-13 21:23:03,818 INFO L443 ceAbstractionStarter]: For program point L193-1(line 193) no Hoare annotation was computed. [2019-10-13 21:23:03,818 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2019-10-13 21:23:03,818 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2019-10-13 21:23:03,819 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2019-10-13 21:23:03,819 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-10-13 21:23:03,819 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2019-10-13 21:23:03,819 INFO L443 ceAbstractionStarter]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2019-10-13 21:23:03,819 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2019-10-13 21:23:03,820 INFO L443 ceAbstractionStarter]: For program point L200(lines 173 201) no Hoare annotation was computed. [2019-10-13 21:23:03,820 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 530 536) the Hoare annotation is: true [2019-10-13 21:23:03,820 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 530 536) no Hoare annotation was computed. [2019-10-13 21:23:03,820 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 537 545) no Hoare annotation was computed. [2019-10-13 21:23:03,821 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 537 545) the Hoare annotation is: true [2019-10-13 21:23:03,821 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 537 545) no Hoare annotation was computed. [2019-10-13 21:23:03,821 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 980 987) the Hoare annotation is: true [2019-10-13 21:23:03,821 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 980 987) no Hoare annotation was computed. [2019-10-13 21:23:03,821 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 980 987) no Hoare annotation was computed. [2019-10-13 21:23:03,821 INFO L443 ceAbstractionStarter]: For program point L993(line 993) no Hoare annotation was computed. [2019-10-13 21:23:03,821 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 988 997) the Hoare annotation is: true [2019-10-13 21:23:03,822 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 988 997) no Hoare annotation was computed. [2019-10-13 21:23:03,822 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 988 997) no Hoare annotation was computed. [2019-10-13 21:23:03,822 INFO L446 ceAbstractionStarter]: At program point L1013(line 1013) the Hoare annotation is: true [2019-10-13 21:23:03,822 INFO L443 ceAbstractionStarter]: For program point L1011(lines 1011 1017) no Hoare annotation was computed. [2019-10-13 21:23:03,822 INFO L443 ceAbstractionStarter]: For program point L1010(lines 1010 1020) no Hoare annotation was computed. [2019-10-13 21:23:03,822 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 998 1026) the Hoare annotation is: true [2019-10-13 21:23:03,823 INFO L446 ceAbstractionStarter]: At program point L1008(line 1008) the Hoare annotation is: true [2019-10-13 21:23:03,823 INFO L443 ceAbstractionStarter]: For program point L1008-1(line 1008) no Hoare annotation was computed. [2019-10-13 21:23:03,823 INFO L443 ceAbstractionStarter]: For program point L1006(lines 1006 1023) no Hoare annotation was computed. [2019-10-13 21:23:03,823 INFO L443 ceAbstractionStarter]: For program point L1006-1(lines 998 1026) no Hoare annotation was computed. [2019-10-13 21:23:03,823 INFO L446 ceAbstractionStarter]: At program point L1004(line 1004) the Hoare annotation is: true [2019-10-13 21:23:03,823 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 998 1026) no Hoare annotation was computed. [2019-10-13 21:23:03,823 INFO L443 ceAbstractionStarter]: For program point L1004-1(line 1004) no Hoare annotation was computed. [2019-10-13 21:23:03,824 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 488 510) the Hoare annotation is: true [2019-10-13 21:23:03,824 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 488 510) no Hoare annotation was computed. [2019-10-13 21:23:03,824 INFO L446 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: true [2019-10-13 21:23:03,824 INFO L446 ceAbstractionStarter]: At program point L500-1(line 500) the Hoare annotation is: true [2019-10-13 21:23:03,824 INFO L443 ceAbstractionStarter]: For program point L498(lines 498 505) no Hoare annotation was computed. [2019-10-13 21:23:03,824 INFO L443 ceAbstractionStarter]: For program point L498-1(lines 498 505) no Hoare annotation was computed. [2019-10-13 21:23:03,824 INFO L443 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-10-13 21:23:03,825 INFO L446 ceAbstractionStarter]: At program point L495(line 495) the Hoare annotation is: true [2019-10-13 21:23:03,825 INFO L446 ceAbstractionStarter]: At program point L494(line 494) the Hoare annotation is: true [2019-10-13 21:23:03,825 INFO L446 ceAbstractionStarter]: At program point L494-1(line 494) the Hoare annotation is: true [2019-10-13 21:23:03,825 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 488 510) no Hoare annotation was computed. [2019-10-13 21:23:03,825 INFO L443 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2019-10-13 21:23:03,825 INFO L443 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-10-13 21:23:03,826 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 441 464) no Hoare annotation was computed. [2019-10-13 21:23:03,826 INFO L443 ceAbstractionStarter]: For program point L447(line 447) no Hoare annotation was computed. [2019-10-13 21:23:03,826 INFO L443 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2019-10-13 21:23:03,826 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 441 464) no Hoare annotation was computed. [2019-10-13 21:23:03,826 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 441 464) no Hoare annotation was computed. [2019-10-13 21:23:03,827 INFO L443 ceAbstractionStarter]: For program point L459(line 459) no Hoare annotation was computed. [2019-10-13 21:23:03,827 INFO L443 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-10-13 21:23:03,827 INFO L443 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-10-13 21:23:03,827 INFO L443 ceAbstractionStarter]: For program point L456(line 456) no Hoare annotation was computed. [2019-10-13 21:23:03,827 INFO L443 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2019-10-13 21:23:03,827 INFO L443 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-10-13 21:23:03,828 INFO L443 ceAbstractionStarter]: For program point L453(line 453) no Hoare annotation was computed. [2019-10-13 21:23:03,828 INFO L443 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2019-10-13 21:23:03,828 INFO L443 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2019-10-13 21:23:03,828 INFO L443 ceAbstractionStarter]: For program point L450(line 450) no Hoare annotation was computed. [2019-10-13 21:23:03,828 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 963 977) no Hoare annotation was computed. [2019-10-13 21:23:03,829 INFO L446 ceAbstractionStarter]: At program point L969(line 969) the Hoare annotation is: true [2019-10-13 21:23:03,829 INFO L443 ceAbstractionStarter]: For program point L967(lines 967 973) no Hoare annotation was computed. [2019-10-13 21:23:03,829 INFO L446 ceAbstractionStarter]: At program point stopSystemENTRY(lines 963 977) the Hoare annotation is: true [2019-10-13 21:23:03,829 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 963 977) no Hoare annotation was computed. [2019-10-13 21:23:03,829 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 880 888) no Hoare annotation was computed. [2019-10-13 21:23:03,829 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 880 888) the Hoare annotation is: true [2019-10-13 21:23:03,829 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 880 888) no Hoare annotation was computed. [2019-10-13 21:23:03,830 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 944 962) the Hoare annotation is: true [2019-10-13 21:23:03,830 INFO L443 ceAbstractionStarter]: For program point L953(lines 953 957) no Hoare annotation was computed. [2019-10-13 21:23:03,830 INFO L446 ceAbstractionStarter]: At program point L951(line 951) the Hoare annotation is: true [2019-10-13 21:23:03,830 INFO L443 ceAbstractionStarter]: For program point L953-2(lines 953 957) no Hoare annotation was computed. [2019-10-13 21:23:03,830 INFO L443 ceAbstractionStarter]: For program point L951-1(line 951) no Hoare annotation was computed. [2019-10-13 21:23:03,831 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 944 962) no Hoare annotation was computed. [2019-10-13 21:23:03,831 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 944 962) no Hoare annotation was computed. [2019-10-13 21:23:03,831 INFO L443 ceAbstractionStarter]: For program point L896(lines 896 904) no Hoare annotation was computed. [2019-10-13 21:23:03,831 INFO L443 ceAbstractionStarter]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2019-10-13 21:23:03,831 INFO L443 ceAbstractionStarter]: For program point L919(line 919) no Hoare annotation was computed. [2019-10-13 21:23:03,831 INFO L443 ceAbstractionStarter]: For program point L919-1(line 919) no Hoare annotation was computed. [2019-10-13 21:23:03,832 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 889 924) no Hoare annotation was computed. [2019-10-13 21:23:03,832 INFO L443 ceAbstractionStarter]: For program point L908(lines 908 916) no Hoare annotation was computed. [2019-10-13 21:23:03,832 INFO L443 ceAbstractionStarter]: For program point L908-2(lines 908 916) no Hoare annotation was computed. [2019-10-13 21:23:03,832 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 889 924) no Hoare annotation was computed. [2019-10-13 21:23:03,832 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 889 924) no Hoare annotation was computed. [2019-10-13 21:23:03,833 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 523 529) no Hoare annotation was computed. [2019-10-13 21:23:03,833 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 523 529) the Hoare annotation is: true [2019-10-13 21:23:03,833 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2019-10-13 21:23:03,833 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2019-10-13 21:23:03,833 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2019-10-13 21:23:03,834 INFO L443 ceAbstractionStarter]: For program point L379(lines 379 386) no Hoare annotation was computed. [2019-10-13 21:23:03,834 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2019-10-13 21:23:03,834 INFO L443 ceAbstractionStarter]: For program point L373(lines 373 393) no Hoare annotation was computed. [2019-10-13 21:23:03,834 INFO L443 ceAbstractionStarter]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2019-10-13 21:23:03,834 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2019-10-13 21:23:03,835 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2019-10-13 21:23:03,835 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 474 484) the Hoare annotation is: true [2019-10-13 21:23:03,835 INFO L446 ceAbstractionStarter]: At program point L479(line 479) the Hoare annotation is: true [2019-10-13 21:23:03,835 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 474 484) no Hoare annotation was computed. [2019-10-13 21:23:03,835 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 474 484) no Hoare annotation was computed. [2019-10-13 21:23:03,836 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 869 879) the Hoare annotation is: true [2019-10-13 21:23:03,836 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 869 879) no Hoare annotation was computed. [2019-10-13 21:23:03,836 INFO L446 ceAbstractionStarter]: At program point L874(line 874) the Hoare annotation is: true [2019-10-13 21:23:03,836 INFO L443 ceAbstractionStarter]: For program point L874-1(line 874) no Hoare annotation was computed. [2019-10-13 21:23:03,837 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 869 879) no Hoare annotation was computed. [2019-10-13 21:23:03,837 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 861 868) the Hoare annotation is: true [2019-10-13 21:23:03,837 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 861 868) no Hoare annotation was computed. [2019-10-13 21:23:03,837 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 861 868) no Hoare annotation was computed. [2019-10-13 21:23:03,837 INFO L443 ceAbstractionStarter]: For program point L713(lines 713 719) no Hoare annotation was computed. [2019-10-13 21:23:03,838 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 709 722) no Hoare annotation was computed. [2019-10-13 21:23:03,838 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 709 722) the Hoare annotation is: true [2019-10-13 21:23:03,838 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 709 722) no Hoare annotation was computed. [2019-10-13 21:23:03,838 INFO L443 ceAbstractionStarter]: For program point L834-1(line 834) no Hoare annotation was computed. [2019-10-13 21:23:03,838 INFO L443 ceAbstractionStarter]: For program point L832(lines 832 849) no Hoare annotation was computed. [2019-10-13 21:23:03,839 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 828 852) no Hoare annotation was computed. [2019-10-13 21:23:03,839 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 828 852) the Hoare annotation is: true [2019-10-13 21:23:03,839 INFO L446 ceAbstractionStarter]: At program point L847(line 847) the Hoare annotation is: true [2019-10-13 21:23:03,839 INFO L443 ceAbstractionStarter]: For program point L847-1(lines 828 852) no Hoare annotation was computed. [2019-10-13 21:23:03,839 INFO L446 ceAbstractionStarter]: At program point L842(line 842) the Hoare annotation is: true [2019-10-13 21:23:03,840 INFO L446 ceAbstractionStarter]: At program point L838(line 838) the Hoare annotation is: true [2019-10-13 21:23:03,840 INFO L443 ceAbstractionStarter]: For program point L836(lines 836 844) no Hoare annotation was computed. [2019-10-13 21:23:03,840 INFO L446 ceAbstractionStarter]: At program point L834(line 834) the Hoare annotation is: true [2019-10-13 21:23:03,840 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 768 774) no Hoare annotation was computed. [2019-10-13 21:23:03,840 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 768 774) the Hoare annotation is: true [2019-10-13 21:23:03,841 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 557 622) the Hoare annotation is: true [2019-10-13 21:23:03,841 INFO L446 ceAbstractionStarter]: At program point L605(line 605) the Hoare annotation is: true [2019-10-13 21:23:03,841 INFO L443 ceAbstractionStarter]: For program point L603(lines 603 609) no Hoare annotation was computed. [2019-10-13 21:23:03,841 INFO L446 ceAbstractionStarter]: At program point L603-1(lines 597 610) the Hoare annotation is: true [2019-10-13 21:23:03,841 INFO L443 ceAbstractionStarter]: For program point L568(lines 567 614) no Hoare annotation was computed. [2019-10-13 21:23:03,841 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 557 622) no Hoare annotation was computed. [2019-10-13 21:23:03,841 INFO L443 ceAbstractionStarter]: For program point L597(lines 597 610) no Hoare annotation was computed. [2019-10-13 21:23:03,842 INFO L446 ceAbstractionStarter]: At program point L589(line 589) the Hoare annotation is: true [2019-10-13 21:23:03,842 INFO L443 ceAbstractionStarter]: For program point L587(lines 587 593) no Hoare annotation was computed. [2019-10-13 21:23:03,842 INFO L443 ceAbstractionStarter]: For program point L587-1(lines 587 593) no Hoare annotation was computed. [2019-10-13 21:23:03,842 INFO L446 ceAbstractionStarter]: At program point L612(lines 567 614) the Hoare annotation is: true [2019-10-13 21:23:03,842 INFO L446 ceAbstractionStarter]: At program point L579(line 579) the Hoare annotation is: true [2019-10-13 21:23:03,842 INFO L443 ceAbstractionStarter]: For program point L577(lines 577 583) no Hoare annotation was computed. [2019-10-13 21:23:03,842 INFO L443 ceAbstractionStarter]: For program point L577-1(lines 577 583) no Hoare annotation was computed. [2019-10-13 21:23:03,843 INFO L443 ceAbstractionStarter]: For program point L569(lines 569 573) no Hoare annotation was computed. [2019-10-13 21:23:03,843 INFO L446 ceAbstractionStarter]: At program point L615(lines 566 616) the Hoare annotation is: true [2019-10-13 21:23:03,843 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 557 622) no Hoare annotation was computed. [2019-10-13 21:23:03,843 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2019-10-13 21:23:03,843 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2019-10-13 21:23:03,843 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2019-10-13 21:23:03,843 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 340) no Hoare annotation was computed. [2019-10-13 21:23:03,843 INFO L443 ceAbstractionStarter]: For program point L327(lines 327 347) no Hoare annotation was computed. [2019-10-13 21:23:03,844 INFO L443 ceAbstractionStarter]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2019-10-13 21:23:03,844 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 723 731) no Hoare annotation was computed. [2019-10-13 21:23:03,844 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 723 731) the Hoare annotation is: true [2019-10-13 21:23:03,844 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 723 731) no Hoare annotation was computed. [2019-10-13 21:23:03,844 INFO L443 ceAbstractionStarter]: For program point L685(lines 685 693) no Hoare annotation was computed. [2019-10-13 21:23:03,844 INFO L443 ceAbstractionStarter]: For program point L685-2(lines 685 693) no Hoare annotation was computed. [2019-10-13 21:23:03,844 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 677 699) no Hoare annotation was computed. [2019-10-13 21:23:03,844 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 677 699) no Hoare annotation was computed. [2019-10-13 21:23:03,845 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 677 699) no Hoare annotation was computed. [2019-10-13 21:23:03,845 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 297) no Hoare annotation was computed. [2019-10-13 21:23:03,845 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2019-10-13 21:23:03,845 INFO L443 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2019-10-13 21:23:03,845 INFO L443 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2019-10-13 21:23:03,845 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2019-10-13 21:23:03,845 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 309) no Hoare annotation was computed. [2019-10-13 21:23:03,846 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2019-10-13 21:23:03,846 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 265) no Hoare annotation was computed. [2019-10-13 21:23:03,846 INFO L443 ceAbstractionStarter]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2019-10-13 21:23:03,846 INFO L443 ceAbstractionStarter]: For program point L280(lines 258 281) no Hoare annotation was computed. [2019-10-13 21:23:03,846 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2019-10-13 21:23:03,846 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 255) no Hoare annotation was computed. [2019-10-13 21:23:03,846 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 306) no Hoare annotation was computed. [2019-10-13 21:23:03,846 INFO L443 ceAbstractionStarter]: For program point L260(lines 259 279) no Hoare annotation was computed. [2019-10-13 21:23:03,847 INFO L443 ceAbstractionStarter]: For program point L291(line 291) no Hoare annotation was computed. [2019-10-13 21:23:03,847 INFO L443 ceAbstractionStarter]: For program point L291-1(line 291) no Hoare annotation was computed. [2019-10-13 21:23:03,847 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 513 522) no Hoare annotation was computed. [2019-10-13 21:23:03,847 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 513 522) no Hoare annotation was computed. [2019-10-13 21:23:03,847 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 513 522) no Hoare annotation was computed. [2019-10-13 21:23:03,847 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:23:03,847 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))) [2019-10-13 21:23:03,848 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:23:03,848 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 853 860) no Hoare annotation was computed. [2019-10-13 21:23:03,848 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 853 860) no Hoare annotation was computed. [2019-10-13 21:23:03,848 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 853 860) the Hoare annotation is: true [2019-10-13 21:23:03,848 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 700 708) the Hoare annotation is: true [2019-10-13 21:23:03,848 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 700 708) no Hoare annotation was computed. [2019-10-13 21:23:03,848 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 700 708) no Hoare annotation was computed. [2019-10-13 21:23:03,849 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 925 943) no Hoare annotation was computed. [2019-10-13 21:23:03,849 INFO L443 ceAbstractionStarter]: For program point L934(lines 934 938) no Hoare annotation was computed. [2019-10-13 21:23:03,849 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 925 943) the Hoare annotation is: true [2019-10-13 21:23:03,849 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 925 943) no Hoare annotation was computed. [2019-10-13 21:23:03,849 INFO L446 ceAbstractionStarter]: At program point L932(line 932) the Hoare annotation is: true [2019-10-13 21:23:03,849 INFO L443 ceAbstractionStarter]: For program point L934-2(lines 934 938) no Hoare annotation was computed. [2019-10-13 21:23:03,849 INFO L443 ceAbstractionStarter]: For program point L932-1(line 932) no Hoare annotation was computed. [2019-10-13 21:23:03,850 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:23:03,850 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:23:03,850 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:23:03,850 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 656 667) the Hoare annotation is: true [2019-10-13 21:23:03,850 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 656 667) no Hoare annotation was computed. [2019-10-13 21:23:03,850 INFO L443 ceAbstractionStarter]: For program point L660-1(lines 656 667) no Hoare annotation was computed. [2019-10-13 21:23:03,851 INFO L446 ceAbstractionStarter]: At program point L757(line 757) the Hoare annotation is: true [2019-10-13 21:23:03,851 INFO L446 ceAbstractionStarter]: At program point L755(lines 755 761) the Hoare annotation is: true [2019-10-13 21:23:03,851 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 741 767) the Hoare annotation is: true [2019-10-13 21:23:03,851 INFO L446 ceAbstractionStarter]: At program point L750(line 750) the Hoare annotation is: true [2019-10-13 21:23:03,851 INFO L443 ceAbstractionStarter]: For program point L748(lines 744 766) no Hoare annotation was computed. [2019-10-13 21:23:03,852 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 741 767) no Hoare annotation was computed. [2019-10-13 21:23:03,852 INFO L443 ceAbstractionStarter]: For program point L746(lines 744 766) no Hoare annotation was computed. [2019-10-13 21:23:03,852 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 741 767) no Hoare annotation was computed. [2019-10-13 21:23:03,852 INFO L446 ceAbstractionStarter]: At program point L418-2(lines 418 432) the Hoare annotation is: true [2019-10-13 21:23:03,852 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 408 437) no Hoare annotation was computed. [2019-10-13 21:23:03,852 INFO L446 ceAbstractionStarter]: At program point L414(line 414) the Hoare annotation is: true [2019-10-13 21:23:03,853 INFO L443 ceAbstractionStarter]: For program point L414-1(line 414) no Hoare annotation was computed. [2019-10-13 21:23:03,853 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 408 437) the Hoare annotation is: true [2019-10-13 21:23:03,853 INFO L446 ceAbstractionStarter]: At program point L433(lines 408 437) the Hoare annotation is: true [2019-10-13 21:23:03,853 INFO L443 ceAbstractionStarter]: For program point L429(line 429) no Hoare annotation was computed. [2019-10-13 21:23:03,854 INFO L443 ceAbstractionStarter]: For program point L422(lines 422 426) no Hoare annotation was computed. [2019-10-13 21:23:03,854 INFO L446 ceAbstractionStarter]: At program point L422-1(lines 422 426) the Hoare annotation is: true [2019-10-13 21:23:03,854 INFO L443 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2019-10-13 21:23:03,854 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 668 676) the Hoare annotation is: true [2019-10-13 21:23:03,854 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 668 676) no Hoare annotation was computed. [2019-10-13 21:23:03,855 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 668 676) no Hoare annotation was computed. [2019-10-13 21:23:03,855 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 632 643) the Hoare annotation is: true [2019-10-13 21:23:03,855 INFO L443 ceAbstractionStarter]: For program point L636-1(lines 632 643) no Hoare annotation was computed. [2019-10-13 21:23:03,855 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 632 643) no Hoare annotation was computed. [2019-10-13 21:23:03,855 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 465 471) no Hoare annotation was computed. [2019-10-13 21:23:03,856 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 465 471) the Hoare annotation is: true [2019-10-13 21:23:03,856 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:23:03,856 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-13 21:23:03,856 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:23:03,856 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:23:03,856 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 776 800) the Hoare annotation is: true [2019-10-13 21:23:03,857 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 776 800) no Hoare annotation was computed. [2019-10-13 21:23:03,857 INFO L446 ceAbstractionStarter]: At program point L795(line 795) the Hoare annotation is: true [2019-10-13 21:23:03,857 INFO L443 ceAbstractionStarter]: For program point L795-1(lines 776 800) no Hoare annotation was computed. [2019-10-13 21:23:03,857 INFO L446 ceAbstractionStarter]: At program point L790(line 790) the Hoare annotation is: true [2019-10-13 21:23:03,857 INFO L446 ceAbstractionStarter]: At program point L786(line 786) the Hoare annotation is: true [2019-10-13 21:23:03,857 INFO L443 ceAbstractionStarter]: For program point L784(lines 784 792) no Hoare annotation was computed. [2019-10-13 21:23:03,858 INFO L446 ceAbstractionStarter]: At program point L782(line 782) the Hoare annotation is: true [2019-10-13 21:23:03,858 INFO L443 ceAbstractionStarter]: For program point L782-1(line 782) no Hoare annotation was computed. [2019-10-13 21:23:03,858 INFO L443 ceAbstractionStarter]: For program point L780(lines 780 797) no Hoare annotation was computed. [2019-10-13 21:23:03,858 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 644 655) no Hoare annotation was computed. [2019-10-13 21:23:03,858 INFO L443 ceAbstractionStarter]: For program point L648-1(lines 644 655) no Hoare annotation was computed. [2019-10-13 21:23:03,858 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 644 655) the Hoare annotation is: true [2019-10-13 21:23:03,859 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 547 554) no Hoare annotation was computed. [2019-10-13 21:23:03,859 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 551) no Hoare annotation was computed. [2019-10-13 21:23:03,859 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 547 554) the Hoare annotation is: true [2019-10-13 21:23:03,859 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 547 554) no Hoare annotation was computed. [2019-10-13 21:23:03,859 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 802 826) no Hoare annotation was computed. [2019-10-13 21:23:03,860 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 802 826) the Hoare annotation is: true [2019-10-13 21:23:03,860 INFO L446 ceAbstractionStarter]: At program point L821(line 821) the Hoare annotation is: true [2019-10-13 21:23:03,860 INFO L443 ceAbstractionStarter]: For program point L821-1(lines 802 826) no Hoare annotation was computed. [2019-10-13 21:23:03,860 INFO L446 ceAbstractionStarter]: At program point L816(line 816) the Hoare annotation is: true [2019-10-13 21:23:03,860 INFO L446 ceAbstractionStarter]: At program point L812(line 812) the Hoare annotation is: true [2019-10-13 21:23:03,860 INFO L443 ceAbstractionStarter]: For program point L810(lines 810 818) no Hoare annotation was computed. [2019-10-13 21:23:03,861 INFO L446 ceAbstractionStarter]: At program point L808(line 808) the Hoare annotation is: true [2019-10-13 21:23:03,861 INFO L443 ceAbstractionStarter]: For program point L808-1(line 808) no Hoare annotation was computed. [2019-10-13 21:23:03,861 INFO L443 ceAbstractionStarter]: For program point L806(lines 806 823) no Hoare annotation was computed. [2019-10-13 21:23:03,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:23:03 BoogieIcfgContainer [2019-10-13 21:23:03,873 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:23:03,878 INFO L168 Benchmark]: Toolchain (without parser) took 10207.10 ms. Allocated memory was 145.2 MB in the beginning and 383.8 MB in the end (delta: 238.6 MB). Free memory was 102.2 MB in the beginning and 279.2 MB in the end (delta: -177.0 MB). Peak memory consumption was 203.6 MB. Max. memory is 7.1 GB. [2019-10-13 21:23:03,880 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 145.2 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-13 21:23:03,881 INFO L168 Benchmark]: CACSL2BoogieTranslator took 774.96 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 102.0 MB in the beginning and 169.0 MB in the end (delta: -67.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. [2019-10-13 21:23:03,882 INFO L168 Benchmark]: Boogie Preprocessor took 93.63 ms. Allocated memory is still 201.9 MB. Free memory was 169.0 MB in the beginning and 164.3 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-10-13 21:23:03,883 INFO L168 Benchmark]: RCFGBuilder took 1473.85 ms. Allocated memory was 201.9 MB in the beginning and 234.9 MB in the end (delta: 33.0 MB). Free memory was 164.3 MB in the beginning and 191.5 MB in the end (delta: -27.3 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. [2019-10-13 21:23:03,884 INFO L168 Benchmark]: TraceAbstraction took 7856.46 ms. Allocated memory was 234.9 MB in the beginning and 383.8 MB in the end (delta: 148.9 MB). Free memory was 190.1 MB in the beginning and 279.2 MB in the end (delta: -89.1 MB). Peak memory consumption was 201.9 MB. Max. memory is 7.1 GB. [2019-10-13 21:23:03,888 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 145.2 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 774.96 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 102.0 MB in the beginning and 169.0 MB in the end (delta: -67.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.63 ms. Allocated memory is still 201.9 MB. Free memory was 169.0 MB in the beginning and 164.3 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1473.85 ms. Allocated memory was 201.9 MB in the beginning and 234.9 MB in the end (delta: 33.0 MB). Free memory was 164.3 MB in the beginning and 191.5 MB in the end (delta: -27.3 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7856.46 ms. Allocated memory was 234.9 MB in the beginning and 383.8 MB in the end (delta: 148.9 MB). Free memory was 190.1 MB in the beginning and 279.2 MB in the end (delta: -89.1 MB). Peak memory consumption was 201.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 551]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 567]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 566]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 261 locations, 1 error locations. Result: SAFE, OverallTime: 7.7s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 1672 SDtfs, 1188 SDslu, 3833 SDs, 0 SdLazy, 1891 SolverSat, 304 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 266 GetRequests, 215 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1836occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 315 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 1997 PreInvPairs, 1998 NumberOfFragments, 82 HoareAnnotationTreeSize, 1997 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 72 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1001 NumberOfCodeBlocks, 1001 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1168 ConstructedInterpolants, 0 QuantifiedInterpolants, 255508 SizeOfPredicates, 4 NumberOfNonLiveVariables, 976 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 127/162 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 159, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.8022598870056498, 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...