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 --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:15:22,296 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:15:22,299 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:15:22,317 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:15:22,318 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:15:22,320 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:15:22,322 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:15:22,331 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:15:22,337 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:15:22,340 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:15:22,341 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:15:22,343 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:15:22,343 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:15:22,345 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:15:22,347 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:15:22,349 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:15:22,350 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:15:22,351 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:15:22,353 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:15:22,357 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:15:22,362 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:15:22,364 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:15:22,367 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:15:22,368 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:15:22,371 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:15:22,371 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:15:22,371 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:15:22,373 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:15:22,374 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:15:22,375 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:15:22,376 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:15:22,377 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:15:22,377 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:15:22,378 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:15:22,380 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:15:22,380 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:15:22,381 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:15:22,381 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:15:22,381 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:15:22,382 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:15:22,383 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:15:22,384 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 [2019-10-07 15:15:22,418 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:15:22,418 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:15:22,423 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:15:22,423 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:15:22,423 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:15:22,424 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:15:22,424 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:15:22,424 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:15:22,424 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:15:22,424 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:15:22,425 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:15:22,425 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:15:22,429 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:15:22,429 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:15:22,430 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:15:22,430 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:15:22,430 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:15:22,430 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:15:22,431 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:15:22,431 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:15:22,431 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:15:22,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:15:22,433 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:15:22,433 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:15:22,433 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:15:22,434 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:15:22,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:15:22,434 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:15:22,434 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 15:15:22,710 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:15:22,726 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:15:22,730 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:15:22,732 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:15:22,732 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:15:22,733 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product45.cil.c [2019-10-07 15:15:22,805 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76ac1221d/bec49c1368d14eef9842832339cf9083/FLAGa2dda9851 [2019-10-07 15:15:23,420 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:15:23,420 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product45.cil.c [2019-10-07 15:15:23,457 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76ac1221d/bec49c1368d14eef9842832339cf9083/FLAGa2dda9851 [2019-10-07 15:15:23,671 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76ac1221d/bec49c1368d14eef9842832339cf9083 [2019-10-07 15:15:23,680 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:15:23,681 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:15:23,682 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:15:23,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:15:23,686 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:15:23,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:15:23" (1/1) ... [2019-10-07 15:15:23,690 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46e3dfe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:23, skipping insertion in model container [2019-10-07 15:15:23,690 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:15:23" (1/1) ... [2019-10-07 15:15:23,698 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:15:23,742 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:15:24,136 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:15:24,151 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:15:24,259 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:15:24,302 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:15:24,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:24 WrapperNode [2019-10-07 15:15:24,303 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:15:24,304 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:15:24,304 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:15:24,304 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:15:24,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:24" (1/1) ... [2019-10-07 15:15:24,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:24" (1/1) ... [2019-10-07 15:15:24,333 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:24" (1/1) ... [2019-10-07 15:15:24,334 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:24" (1/1) ... [2019-10-07 15:15:24,367 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:24" (1/1) ... [2019-10-07 15:15:24,381 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:24" (1/1) ... [2019-10-07 15:15:24,392 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:24" (1/1) ... [2019-10-07 15:15:24,407 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:15:24,409 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:15:24,409 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:15:24,409 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:15:24,410 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:24" (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 [2019-10-07 15:15:24,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:15:24,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:15:24,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:15:24,467 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:15:24,468 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:15:24,468 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:15:24,468 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:15:24,468 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:15:24,468 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:15:24,469 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-07 15:15:24,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:15:24,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-07 15:15:24,469 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:15:24,469 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:15:24,469 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:15:24,470 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:15:24,470 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:15:24,470 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:15:24,470 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:15:24,470 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:15:24,470 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:15:24,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:15:24,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:15:24,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:15:24,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:15:24,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:15:24,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:15:24,472 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:15:24,472 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:15:24,472 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:15:24,472 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-07 15:15:24,472 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:15:24,472 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-10-07 15:15:24,473 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:15:24,473 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:15:24,473 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:15:24,473 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:15:24,473 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:15:24,473 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-07 15:15:24,474 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:15:24,474 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:15:24,474 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:15:24,474 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:15:24,474 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:15:24,474 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:15:24,475 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:15:24,475 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:15:24,475 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:15:24,475 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-07 15:15:24,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:15:24,475 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:15:24,476 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:15:24,476 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-07 15:15:24,476 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:15:24,476 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:15:24,476 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:15:24,476 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:15:24,477 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:15:24,477 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:15:24,477 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:15:24,477 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:15:24,477 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:15:24,478 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:15:24,478 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:15:24,478 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:15:24,478 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:15:24,478 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:15:24,478 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:15:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:15:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:15:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:15:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:15:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:15:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:15:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:15:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:15:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:15:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:15:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:15:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:15:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:15:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:15:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:15:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:15:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:15:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-07 15:15:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-07 15:15:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:15:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-10-07 15:15:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:15:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:15:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:15:26,118 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:15:26,119 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:15:26,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:15:26 BoogieIcfgContainer [2019-10-07 15:15:26,121 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:15:26,122 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:15:26,122 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:15:26,125 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:15:26,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:15:23" (1/3) ... [2019-10-07 15:15:26,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@475b9ec7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:15:26, skipping insertion in model container [2019-10-07 15:15:26,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:24" (2/3) ... [2019-10-07 15:15:26,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@475b9ec7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:15:26, skipping insertion in model container [2019-10-07 15:15:26,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:15:26" (3/3) ... [2019-10-07 15:15:26,129 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product45.cil.c [2019-10-07 15:15:26,140 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:15:26,149 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:15:26,161 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:15:26,199 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:15:26,199 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:15:26,200 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:15:26,200 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:15:26,200 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:15:26,200 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:15:26,200 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:15:26,201 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:15:26,230 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states. [2019-10-07 15:15:26,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-07 15:15:26,238 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:26,239 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:15:26,241 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:26,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:26,248 INFO L82 PathProgramCache]: Analyzing trace with hash -479374206, now seen corresponding path program 1 times [2019-10-07 15:15:26,257 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:26,258 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:26,258 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:26,258 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:26,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:26,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:26,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:15:26,591 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:26,592 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:26,593 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:15:26,597 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:15:26,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:15:26,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:15:26,615 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 2 states. [2019-10-07 15:15:26,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:26,657 INFO L93 Difference]: Finished difference Result 221 states and 268 transitions. [2019-10-07 15:15:26,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:15:26,659 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-10-07 15:15:26,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:26,671 INFO L225 Difference]: With dead ends: 221 [2019-10-07 15:15:26,672 INFO L226 Difference]: Without dead ends: 111 [2019-10-07 15:15:26,677 INFO L606 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 [2019-10-07 15:15:26,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-10-07 15:15:26,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2019-10-07 15:15:26,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-10-07 15:15:26,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 128 transitions. [2019-10-07 15:15:26,735 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 128 transitions. Word has length 42 [2019-10-07 15:15:26,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:26,736 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 128 transitions. [2019-10-07 15:15:26,736 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:15:26,737 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 128 transitions. [2019-10-07 15:15:26,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-07 15:15:26,740 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:26,740 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:15:26,741 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:26,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:26,741 INFO L82 PathProgramCache]: Analyzing trace with hash -2066412184, now seen corresponding path program 1 times [2019-10-07 15:15:26,742 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:26,742 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:26,742 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:26,742 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:26,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:26,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:26,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:15:26,878 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:26,878 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:26,878 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:15:26,881 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:15:26,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:15:26,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:15:26,883 INFO L87 Difference]: Start difference. First operand 111 states and 128 transitions. Second operand 3 states. [2019-10-07 15:15:26,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:26,944 INFO L93 Difference]: Finished difference Result 179 states and 207 transitions. [2019-10-07 15:15:26,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:15:26,945 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-07 15:15:26,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:26,949 INFO L225 Difference]: With dead ends: 179 [2019-10-07 15:15:26,949 INFO L226 Difference]: Without dead ends: 103 [2019-10-07 15:15:26,952 INFO L606 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 [2019-10-07 15:15:26,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2019-10-07 15:15:26,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2019-10-07 15:15:26,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-10-07 15:15:26,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 117 transitions. [2019-10-07 15:15:26,969 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 117 transitions. Word has length 43 [2019-10-07 15:15:26,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:26,970 INFO L462 AbstractCegarLoop]: Abstraction has 103 states and 117 transitions. [2019-10-07 15:15:26,970 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:15:26,970 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 117 transitions. [2019-10-07 15:15:26,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-07 15:15:26,972 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:26,973 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:15:26,973 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:26,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:26,973 INFO L82 PathProgramCache]: Analyzing trace with hash -1019636405, now seen corresponding path program 1 times [2019-10-07 15:15:26,974 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:26,974 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:26,974 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:26,974 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:26,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:27,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:27,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:15:27,246 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:27,246 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:27,247 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:15:27,248 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:15:27,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:15:27,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:15:27,251 INFO L87 Difference]: Start difference. First operand 103 states and 117 transitions. Second operand 7 states. [2019-10-07 15:15:27,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:27,606 INFO L93 Difference]: Finished difference Result 184 states and 213 transitions. [2019-10-07 15:15:27,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:15:27,607 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 45 [2019-10-07 15:15:27,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:27,608 INFO L225 Difference]: With dead ends: 184 [2019-10-07 15:15:27,609 INFO L226 Difference]: Without dead ends: 103 [2019-10-07 15:15:27,610 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:15:27,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2019-10-07 15:15:27,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2019-10-07 15:15:27,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-10-07 15:15:27,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 116 transitions. [2019-10-07 15:15:27,622 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 116 transitions. Word has length 45 [2019-10-07 15:15:27,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:27,623 INFO L462 AbstractCegarLoop]: Abstraction has 103 states and 116 transitions. [2019-10-07 15:15:27,623 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:15:27,623 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 116 transitions. [2019-10-07 15:15:27,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-07 15:15:27,626 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:27,626 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:15:27,626 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:27,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:27,627 INFO L82 PathProgramCache]: Analyzing trace with hash -1867776691, now seen corresponding path program 1 times [2019-10-07 15:15:27,627 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:27,627 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:27,627 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:27,627 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:27,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:27,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:27,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:15:27,762 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:27,762 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:27,762 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 15:15:27,763 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 15:15:27,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 15:15:27,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 15:15:27,764 INFO L87 Difference]: Start difference. First operand 103 states and 116 transitions. Second operand 5 states. [2019-10-07 15:15:28,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:28,236 INFO L93 Difference]: Finished difference Result 272 states and 319 transitions. [2019-10-07 15:15:28,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:15:28,238 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2019-10-07 15:15:28,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:28,244 INFO L225 Difference]: With dead ends: 272 [2019-10-07 15:15:28,244 INFO L226 Difference]: Without dead ends: 191 [2019-10-07 15:15:28,245 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-07 15:15:28,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2019-10-07 15:15:28,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 176. [2019-10-07 15:15:28,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2019-10-07 15:15:28,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 194 transitions. [2019-10-07 15:15:28,315 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 194 transitions. Word has length 58 [2019-10-07 15:15:28,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:28,321 INFO L462 AbstractCegarLoop]: Abstraction has 176 states and 194 transitions. [2019-10-07 15:15:28,321 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 15:15:28,321 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 194 transitions. [2019-10-07 15:15:28,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-10-07 15:15:28,329 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:28,330 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:15:28,330 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:28,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:28,331 INFO L82 PathProgramCache]: Analyzing trace with hash 1407061942, now seen corresponding path program 1 times [2019-10-07 15:15:28,331 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:28,331 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:28,332 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:28,332 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:28,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:28,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:28,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:15:28,474 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:28,475 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:28,475 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 15:15:28,475 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:15:28,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:15:28,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 15:15:28,476 INFO L87 Difference]: Start difference. First operand 176 states and 194 transitions. Second operand 6 states. [2019-10-07 15:15:28,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:28,677 INFO L93 Difference]: Finished difference Result 470 states and 535 transitions. [2019-10-07 15:15:28,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:15:28,679 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 67 [2019-10-07 15:15:28,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:28,691 INFO L225 Difference]: With dead ends: 470 [2019-10-07 15:15:28,692 INFO L226 Difference]: Without dead ends: 316 [2019-10-07 15:15:28,698 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-07 15:15:28,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2019-10-07 15:15:28,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 306. [2019-10-07 15:15:28,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2019-10-07 15:15:28,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 337 transitions. [2019-10-07 15:15:28,761 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 337 transitions. Word has length 67 [2019-10-07 15:15:28,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:28,762 INFO L462 AbstractCegarLoop]: Abstraction has 306 states and 337 transitions. [2019-10-07 15:15:28,762 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:15:28,762 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 337 transitions. [2019-10-07 15:15:28,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-07 15:15:28,766 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:28,767 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:15:28,767 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:28,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:28,768 INFO L82 PathProgramCache]: Analyzing trace with hash -2111309876, now seen corresponding path program 1 times [2019-10-07 15:15:28,768 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:28,768 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:28,768 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:28,768 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:28,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:28,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:28,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:15:28,921 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:28,922 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:28,922 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:15:28,922 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:15:28,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:15:28,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:15:28,923 INFO L87 Difference]: Start difference. First operand 306 states and 337 transitions. Second operand 7 states. [2019-10-07 15:15:29,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:29,648 INFO L93 Difference]: Finished difference Result 332 states and 374 transitions. [2019-10-07 15:15:29,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-07 15:15:29,649 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2019-10-07 15:15:29,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:29,652 INFO L225 Difference]: With dead ends: 332 [2019-10-07 15:15:29,654 INFO L226 Difference]: Without dead ends: 329 [2019-10-07 15:15:29,655 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-07 15:15:29,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2019-10-07 15:15:29,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 306. [2019-10-07 15:15:29,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2019-10-07 15:15:29,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 336 transitions. [2019-10-07 15:15:29,682 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 336 transitions. Word has length 70 [2019-10-07 15:15:29,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:29,682 INFO L462 AbstractCegarLoop]: Abstraction has 306 states and 336 transitions. [2019-10-07 15:15:29,682 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:15:29,683 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 336 transitions. [2019-10-07 15:15:29,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-10-07 15:15:29,684 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:29,684 INFO L385 BasicCegarLoop]: trace histogram [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] [2019-10-07 15:15:29,685 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:29,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:29,685 INFO L82 PathProgramCache]: Analyzing trace with hash 761408119, now seen corresponding path program 1 times [2019-10-07 15:15:29,685 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:29,685 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:29,685 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:29,686 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:29,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:29,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:29,861 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 15:15:29,862 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:29,862 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:15:29,862 INFO L95 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 [2019-10-07 15:15:30,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:30,063 INFO L256 TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 25 conjunts are in the unsatisfiable core [2019-10-07 15:15:30,077 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:15:30,159 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:15:30,160 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:15:30,764 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 15:15:30,765 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 15:15:30,765 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14, 11] total 23 [2019-10-07 15:15:30,766 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-07 15:15:30,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-07 15:15:30,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=431, Unknown=0, NotChecked=0, Total=506 [2019-10-07 15:15:30,767 INFO L87 Difference]: Start difference. First operand 306 states and 336 transitions. Second operand 11 states. [2019-10-07 15:15:31,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:31,556 INFO L93 Difference]: Finished difference Result 699 states and 800 transitions. [2019-10-07 15:15:31,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-07 15:15:31,558 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 83 [2019-10-07 15:15:31,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:31,563 INFO L225 Difference]: With dead ends: 699 [2019-10-07 15:15:31,563 INFO L226 Difference]: Without dead ends: 415 [2019-10-07 15:15:31,565 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=129, Invalid=683, Unknown=0, NotChecked=0, Total=812 [2019-10-07 15:15:31,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2019-10-07 15:15:31,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 407. [2019-10-07 15:15:31,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2019-10-07 15:15:31,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 450 transitions. [2019-10-07 15:15:31,597 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 450 transitions. Word has length 83 [2019-10-07 15:15:31,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:31,597 INFO L462 AbstractCegarLoop]: Abstraction has 407 states and 450 transitions. [2019-10-07 15:15:31,597 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-07 15:15:31,598 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 450 transitions. [2019-10-07 15:15:31,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-10-07 15:15:31,601 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:31,601 INFO L385 BasicCegarLoop]: trace histogram [4, 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] [2019-10-07 15:15:31,806 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:15:31,807 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:31,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:31,807 INFO L82 PathProgramCache]: Analyzing trace with hash -1148170321, now seen corresponding path program 1 times [2019-10-07 15:15:31,808 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:31,808 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:31,809 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:31,809 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:31,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:31,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:32,094 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 15:15:32,094 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:32,094 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:15:32,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:15:32,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:32,296 INFO L256 TraceCheckSpWp]: Trace formula consists of 843 conjuncts, 25 conjunts are in the unsatisfiable core [2019-10-07 15:15:32,303 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:15:32,490 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 15:15:32,491 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:15:32,996 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-10-07 15:15:32,997 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 15:15:32,997 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14, 11] total 29 [2019-10-07 15:15:32,997 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-07 15:15:32,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-07 15:15:32,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=728, Unknown=0, NotChecked=0, Total=812 [2019-10-07 15:15:32,999 INFO L87 Difference]: Start difference. First operand 407 states and 450 transitions. Second operand 11 states. [2019-10-07 15:15:33,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:33,645 INFO L93 Difference]: Finished difference Result 958 states and 1086 transitions. [2019-10-07 15:15:33,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-07 15:15:33,645 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 128 [2019-10-07 15:15:33,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:33,646 INFO L225 Difference]: With dead ends: 958 [2019-10-07 15:15:33,646 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:15:33,650 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=138, Invalid=1052, Unknown=0, NotChecked=0, Total=1190 [2019-10-07 15:15:33,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:15:33,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:15:33,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:15:33,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:15:33,652 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 128 [2019-10-07 15:15:33,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:33,652 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:15:33,652 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-07 15:15:33,653 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:15:33,653 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:15:33,857 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:15:33,863 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:15:35,409 INFO L443 ceAbstractionStarter]: For program point L413(lines 390 414) no Hoare annotation was computed. [2019-10-07 15:15:35,409 INFO L443 ceAbstractionStarter]: For program point L397(lines 397 401) no Hoare annotation was computed. [2019-10-07 15:15:35,409 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 366 421) no Hoare annotation was computed. [2019-10-07 15:15:35,409 INFO L443 ceAbstractionStarter]: For program point L391-2(lines 391 412) no Hoare annotation was computed. [2019-10-07 15:15:35,409 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 366 421) no Hoare annotation was computed. [2019-10-07 15:15:35,410 INFO L443 ceAbstractionStarter]: For program point L448-2(lines 448 473) no Hoare annotation was computed. [2019-10-07 15:15:35,410 INFO L443 ceAbstractionStarter]: For program point L474(lines 447 475) no Hoare annotation was computed. [2019-10-07 15:15:35,410 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 422 481) no Hoare annotation was computed. [2019-10-07 15:15:35,410 INFO L443 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2019-10-07 15:15:35,410 INFO L443 ceAbstractionStarter]: For program point L467-1(line 467) no Hoare annotation was computed. [2019-10-07 15:15:35,410 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 422 481) no Hoare annotation was computed. [2019-10-07 15:15:35,410 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 422 481) no Hoare annotation was computed. [2019-10-07 15:15:35,410 INFO L443 ceAbstractionStarter]: For program point L454(lines 454 458) no Hoare annotation was computed. [2019-10-07 15:15:35,410 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 297 303) the Hoare annotation is: true [2019-10-07 15:15:35,411 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 297 303) no Hoare annotation was computed. [2019-10-07 15:15:35,411 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 304 312) no Hoare annotation was computed. [2019-10-07 15:15:35,411 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 304 312) the Hoare annotation is: true [2019-10-07 15:15:35,411 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 255 277) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:35,411 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 255 277) no Hoare annotation was computed. [2019-10-07 15:15:35,411 INFO L439 ceAbstractionStarter]: At program point L267(line 267) the Hoare annotation is: (or (and (= main_~tmp~1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:35,411 INFO L439 ceAbstractionStarter]: At program point L267-1(line 267) the Hoare annotation is: (or (and (= main_~tmp~1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:35,411 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 272) no Hoare annotation was computed. [2019-10-07 15:15:35,411 INFO L443 ceAbstractionStarter]: For program point L265-1(lines 265 272) no Hoare annotation was computed. [2019-10-07 15:15:35,411 INFO L443 ceAbstractionStarter]: For program point L263(line 263) no Hoare annotation was computed. [2019-10-07 15:15:35,412 INFO L439 ceAbstractionStarter]: At program point L262(line 262) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:35,412 INFO L439 ceAbstractionStarter]: At program point L261(line 261) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:35,412 INFO L439 ceAbstractionStarter]: At program point L261-1(line 261) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:35,412 INFO L443 ceAbstractionStarter]: For program point L225(line 225) no Hoare annotation was computed. [2019-10-07 15:15:35,412 INFO L443 ceAbstractionStarter]: For program point L224(line 224) no Hoare annotation was computed. [2019-10-07 15:15:35,412 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 210 233) no Hoare annotation was computed. [2019-10-07 15:15:35,412 INFO L443 ceAbstractionStarter]: For program point L223(line 223) no Hoare annotation was computed. [2019-10-07 15:15:35,412 INFO L443 ceAbstractionStarter]: For program point L222(line 222) no Hoare annotation was computed. [2019-10-07 15:15:35,412 INFO L443 ceAbstractionStarter]: For program point L221(line 221) no Hoare annotation was computed. [2019-10-07 15:15:35,413 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 210 233) no Hoare annotation was computed. [2019-10-07 15:15:35,413 INFO L443 ceAbstractionStarter]: For program point L220(line 220) no Hoare annotation was computed. [2019-10-07 15:15:35,413 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 210 233) no Hoare annotation was computed. [2019-10-07 15:15:35,413 INFO L443 ceAbstractionStarter]: For program point L219(line 219) no Hoare annotation was computed. [2019-10-07 15:15:35,413 INFO L443 ceAbstractionStarter]: For program point L218(line 218) no Hoare annotation was computed. [2019-10-07 15:15:35,413 INFO L443 ceAbstractionStarter]: For program point L217(line 217) no Hoare annotation was computed. [2019-10-07 15:15:35,413 INFO L443 ceAbstractionStarter]: For program point L216(line 216) no Hoare annotation was computed. [2019-10-07 15:15:35,413 INFO L443 ceAbstractionStarter]: For program point L215(line 215) no Hoare annotation was computed. [2019-10-07 15:15:35,413 INFO L443 ceAbstractionStarter]: For program point L228(line 228) no Hoare annotation was computed. [2019-10-07 15:15:35,414 INFO L443 ceAbstractionStarter]: For program point L227(line 227) no Hoare annotation was computed. [2019-10-07 15:15:35,414 INFO L443 ceAbstractionStarter]: For program point L226(line 226) no Hoare annotation was computed. [2019-10-07 15:15:35,414 INFO L439 ceAbstractionStarter]: At program point L801(line 801) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-07 15:15:35,414 INFO L443 ceAbstractionStarter]: For program point L801-1(lines 782 806) no Hoare annotation was computed. [2019-10-07 15:15:35,414 INFO L439 ceAbstractionStarter]: At program point L796(line 796) the Hoare annotation is: (let ((.cse1 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not .cse1) (= ~pumpRunning~0 0) .cse0))) [2019-10-07 15:15:35,414 INFO L439 ceAbstractionStarter]: At program point L792(line 792) the Hoare annotation is: (let ((.cse1 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not .cse1) (= ~pumpRunning~0 0) .cse0))) [2019-10-07 15:15:35,414 INFO L443 ceAbstractionStarter]: For program point L790(lines 790 798) no Hoare annotation was computed. [2019-10-07 15:15:35,415 INFO L439 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: (let ((.cse1 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not .cse1) (= ~pumpRunning~0 0) .cse0))) [2019-10-07 15:15:35,415 INFO L443 ceAbstractionStarter]: For program point L788-1(line 788) no Hoare annotation was computed. [2019-10-07 15:15:35,415 INFO L443 ceAbstractionStarter]: For program point L786(lines 786 803) no Hoare annotation was computed. [2019-10-07 15:15:35,415 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 782 806) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0))) [2019-10-07 15:15:35,415 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 782 806) no Hoare annotation was computed. [2019-10-07 15:15:35,415 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 877 885) no Hoare annotation was computed. [2019-10-07 15:15:35,416 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 877 885) the Hoare annotation is: true [2019-10-07 15:15:35,416 INFO L443 ceAbstractionStarter]: For program point L916(line 916) no Hoare annotation was computed. [2019-10-07 15:15:35,416 INFO L443 ceAbstractionStarter]: For program point L916-1(line 916) no Hoare annotation was computed. [2019-10-07 15:15:35,416 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 886 921) no Hoare annotation was computed. [2019-10-07 15:15:35,416 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 886 921) no Hoare annotation was computed. [2019-10-07 15:15:35,416 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 290 296) no Hoare annotation was computed. [2019-10-07 15:15:35,416 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 290 296) the Hoare annotation is: true [2019-10-07 15:15:35,416 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 320 365) no Hoare annotation was computed. [2019-10-07 15:15:35,416 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 320 365) no Hoare annotation was computed. [2019-10-07 15:15:35,417 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 633 678) no Hoare annotation was computed. [2019-10-07 15:15:35,417 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 633 678) no Hoare annotation was computed. [2019-10-07 15:15:35,417 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 242 251) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:35,417 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 242 251) no Hoare annotation was computed. [2019-10-07 15:15:35,417 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 242 251) no Hoare annotation was computed. [2019-10-07 15:15:35,417 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 866 876) the Hoare annotation is: true [2019-10-07 15:15:35,417 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 866 876) no Hoare annotation was computed. [2019-10-07 15:15:35,418 INFO L446 ceAbstractionStarter]: At program point L871(line 871) the Hoare annotation is: true [2019-10-07 15:15:35,418 INFO L443 ceAbstractionStarter]: For program point L871-1(line 871) no Hoare annotation was computed. [2019-10-07 15:15:35,418 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 858 865) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~systemActive~0 1)) (= 0 |old(~pumpRunning~0)|)) [2019-10-07 15:15:35,418 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 858 865) no Hoare annotation was computed. [2019-10-07 15:15:35,418 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2019-10-07 15:15:35,418 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2019-10-07 15:15:35,418 INFO L439 ceAbstractionStarter]: At program point L827(line 827) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (= 0 |old(~pumpRunning~0)|)) (or (= ~pumpRunning~0 0) .cse0))) [2019-10-07 15:15:35,418 INFO L443 ceAbstractionStarter]: For program point L827-1(lines 808 832) no Hoare annotation was computed. [2019-10-07 15:15:35,419 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 808 832) no Hoare annotation was computed. [2019-10-07 15:15:35,419 INFO L439 ceAbstractionStarter]: At program point L822(line 822) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~7) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse0))) [2019-10-07 15:15:35,419 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 808 832) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~systemActive~0 1))) [2019-10-07 15:15:35,419 INFO L439 ceAbstractionStarter]: At program point L818(line 818) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~7) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-07 15:15:35,419 INFO L443 ceAbstractionStarter]: For program point L816(lines 816 824) no Hoare annotation was computed. [2019-10-07 15:15:35,419 INFO L439 ceAbstractionStarter]: At program point L814(line 814) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0))) [2019-10-07 15:15:35,419 INFO L443 ceAbstractionStarter]: For program point L814-1(line 814) no Hoare annotation was computed. [2019-10-07 15:15:35,420 INFO L443 ceAbstractionStarter]: For program point L812(lines 812 829) no Hoare annotation was computed. [2019-10-07 15:15:35,420 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 774 780) no Hoare annotation was computed. [2019-10-07 15:15:35,420 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 774 780) the Hoare annotation is: true [2019-10-07 15:15:35,420 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 680 743) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:35,420 INFO L439 ceAbstractionStarter]: At program point L702(line 702) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (= ~pumpRunning~0 0)))) [2019-10-07 15:15:35,420 INFO L439 ceAbstractionStarter]: At program point L733(lines 690 735) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (= ~pumpRunning~0 0)))) [2019-10-07 15:15:35,420 INFO L443 ceAbstractionStarter]: For program point L700(lines 700 706) no Hoare annotation was computed. [2019-10-07 15:15:35,421 INFO L443 ceAbstractionStarter]: For program point L700-1(lines 700 706) no Hoare annotation was computed. [2019-10-07 15:15:35,421 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 680 743) no Hoare annotation was computed. [2019-10-07 15:15:35,421 INFO L439 ceAbstractionStarter]: At program point L736(lines 689 737) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:35,421 INFO L439 ceAbstractionStarter]: At program point L726-2(lines 720 731) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 test_~splverifierCounter~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:35,421 INFO L443 ceAbstractionStarter]: For program point L691(lines 690 735) no Hoare annotation was computed. [2019-10-07 15:15:35,421 INFO L439 ceAbstractionStarter]: At program point L712(line 712) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 test_~splverifierCounter~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:35,422 INFO L443 ceAbstractionStarter]: For program point L710(lines 710 716) no Hoare annotation was computed. [2019-10-07 15:15:35,422 INFO L443 ceAbstractionStarter]: For program point L710-1(lines 710 716) no Hoare annotation was computed. [2019-10-07 15:15:35,422 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 680 743) no Hoare annotation was computed. [2019-10-07 15:15:35,422 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 587 632) no Hoare annotation was computed. [2019-10-07 15:15:35,422 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 587 632) no Hoare annotation was computed. [2019-10-07 15:15:35,422 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 833 840) the Hoare annotation is: (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-10-07 15:15:35,422 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 833 840) no Hoare annotation was computed. [2019-10-07 15:15:35,422 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2019-10-07 15:15:35,423 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2019-10-07 15:15:35,423 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 280 289) no Hoare annotation was computed. [2019-10-07 15:15:35,423 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 280 289) no Hoare annotation was computed. [2019-10-07 15:15:35,423 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 484 586) no Hoare annotation was computed. [2019-10-07 15:15:35,423 INFO L443 ceAbstractionStarter]: For program point L508(lines 508 512) no Hoare annotation was computed. [2019-10-07 15:15:35,423 INFO L443 ceAbstractionStarter]: For program point L533-2(lines 533 553) no Hoare annotation was computed. [2019-10-07 15:15:35,423 INFO L443 ceAbstractionStarter]: For program point L554(lines 532 555) no Hoare annotation was computed. [2019-10-07 15:15:35,424 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 484 586) no Hoare annotation was computed. [2019-10-07 15:15:35,424 INFO L443 ceAbstractionStarter]: For program point L513(lines 513 529) no Hoare annotation was computed. [2019-10-07 15:15:35,424 INFO L443 ceAbstractionStarter]: For program point L534(lines 533 553) no Hoare annotation was computed. [2019-10-07 15:15:35,424 INFO L443 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-10-07 15:15:35,424 INFO L443 ceAbstractionStarter]: For program point L565-1(line 565) no Hoare annotation was computed. [2019-10-07 15:15:35,424 INFO L443 ceAbstractionStarter]: For program point L530(lines 530 571) no Hoare annotation was computed. [2019-10-07 15:15:35,424 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 484 586) no Hoare annotation was computed. [2019-10-07 15:15:35,424 INFO L443 ceAbstractionStarter]: For program point L549(line 549) no Hoare annotation was computed. [2019-10-07 15:15:35,424 INFO L443 ceAbstractionStarter]: For program point L549-1(line 549) no Hoare annotation was computed. [2019-10-07 15:15:35,425 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-07 15:15:35,425 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:15:35,425 INFO L443 ceAbstractionStarter]: For program point L848(lines 848 854) no Hoare annotation was computed. [2019-10-07 15:15:35,425 INFO L439 ceAbstractionStarter]: At program point L846(line 846) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:15:35,425 INFO L443 ceAbstractionStarter]: For program point L846-1(line 846) no Hoare annotation was computed. [2019-10-07 15:15:35,425 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 841 857) no Hoare annotation was computed. [2019-10-07 15:15:35,425 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 841 857) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:15:35,425 INFO L439 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 activatePump_~tmp~8))) [2019-10-07 15:15:35,425 INFO L443 ceAbstractionStarter]: For program point L852-1(lines 841 857) no Hoare annotation was computed. [2019-10-07 15:15:35,425 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 117 125) no Hoare annotation was computed. [2019-10-07 15:15:35,425 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2019-10-07 15:15:35,425 INFO L446 ceAbstractionStarter]: At program point L929(line 929) the Hoare annotation is: true [2019-10-07 15:15:35,426 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 922 940) no Hoare annotation was computed. [2019-10-07 15:15:35,426 INFO L443 ceAbstractionStarter]: For program point L929-1(line 929) no Hoare annotation was computed. [2019-10-07 15:15:35,426 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 922 940) the Hoare annotation is: true [2019-10-07 15:15:35,426 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:35,426 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2019-10-07 15:15:35,426 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:15:35,426 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:15:35,426 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2019-10-07 15:15:35,426 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2019-10-07 15:15:35,426 INFO L439 ceAbstractionStarter]: At program point L763(line 763) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~systemActive~0 1))) [2019-10-07 15:15:35,426 INFO L439 ceAbstractionStarter]: At program point L761(lines 761 767) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:15:35,426 INFO L439 ceAbstractionStarter]: At program point L756(line 756) the Hoare annotation is: (or (and (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:15:35,426 INFO L443 ceAbstractionStarter]: For program point L754(lines 753 772) no Hoare annotation was computed. [2019-10-07 15:15:35,427 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 750 773) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2019-10-07 15:15:35,427 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 750 773) no Hoare annotation was computed. [2019-10-07 15:15:35,427 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 750 773) no Hoare annotation was computed. [2019-10-07 15:15:35,427 INFO L443 ceAbstractionStarter]: For program point L193(lines 193 197) no Hoare annotation was computed. [2019-10-07 15:15:35,427 INFO L446 ceAbstractionStarter]: At program point L193-1(lines 193 197) the Hoare annotation is: true [2019-10-07 15:15:35,427 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 179 208) no Hoare annotation was computed. [2019-10-07 15:15:35,427 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 179 208) the Hoare annotation is: true [2019-10-07 15:15:35,427 INFO L446 ceAbstractionStarter]: At program point L189-2(lines 189 203) the Hoare annotation is: true [2019-10-07 15:15:35,427 INFO L446 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: true [2019-10-07 15:15:35,427 INFO L443 ceAbstractionStarter]: For program point L185-1(line 185) no Hoare annotation was computed. [2019-10-07 15:15:35,427 INFO L446 ceAbstractionStarter]: At program point L204(lines 179 208) the Hoare annotation is: true [2019-10-07 15:15:35,427 INFO L443 ceAbstractionStarter]: For program point L200(line 200) no Hoare annotation was computed. [2019-10-07 15:15:35,428 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2019-10-07 15:15:35,428 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2019-10-07 15:15:35,428 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 234 240) no Hoare annotation was computed. [2019-10-07 15:15:35,428 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 234 240) the Hoare annotation is: true [2019-10-07 15:15:35,428 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:15:35,428 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-07 15:15:35,428 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:15:35,429 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:15:35,429 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2019-10-07 15:15:35,429 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: true [2019-10-07 15:15:35,429 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 141 148) the Hoare annotation is: true [2019-10-07 15:15:35,429 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2019-10-07 15:15:35,429 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 141 148) no Hoare annotation was computed. [2019-10-07 15:15:35,429 INFO L439 ceAbstractionStarter]: At program point L161(line 161) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-10-07 15:15:35,430 INFO L443 ceAbstractionStarter]: For program point L161-1(line 161) no Hoare annotation was computed. [2019-10-07 15:15:35,430 INFO L443 ceAbstractionStarter]: For program point L159(lines 159 172) no Hoare annotation was computed. [2019-10-07 15:15:35,430 INFO L443 ceAbstractionStarter]: For program point L159-1(lines 151 175) no Hoare annotation was computed. [2019-10-07 15:15:35,430 INFO L446 ceAbstractionStarter]: At program point L157(line 157) the Hoare annotation is: true [2019-10-07 15:15:35,430 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 151 175) the Hoare annotation is: true [2019-10-07 15:15:35,430 INFO L443 ceAbstractionStarter]: For program point L157-1(line 157) no Hoare annotation was computed. [2019-10-07 15:15:35,430 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 151 175) no Hoare annotation was computed. [2019-10-07 15:15:35,430 INFO L439 ceAbstractionStarter]: At program point L165(line 165) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-07 15:15:35,431 INFO L443 ceAbstractionStarter]: For program point L163(lines 163 169) no Hoare annotation was computed. [2019-10-07 15:15:35,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:15:35 BoogieIcfgContainer [2019-10-07 15:15:35,446 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:15:35,449 INFO L168 Benchmark]: Toolchain (without parser) took 11766.20 ms. Allocated memory was 139.5 MB in the beginning and 365.4 MB in the end (delta: 226.0 MB). Free memory was 103.0 MB in the beginning and 128.0 MB in the end (delta: -25.0 MB). Peak memory consumption was 202.9 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:35,450 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-07 15:15:35,451 INFO L168 Benchmark]: CACSL2BoogieTranslator took 620.96 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 102.8 MB in the beginning and 170.6 MB in the end (delta: -67.7 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:35,452 INFO L168 Benchmark]: Boogie Preprocessor took 104.58 ms. Allocated memory is still 203.9 MB. Free memory was 170.6 MB in the beginning and 166.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:35,453 INFO L168 Benchmark]: RCFGBuilder took 1712.03 ms. Allocated memory was 203.9 MB in the beginning and 235.4 MB in the end (delta: 31.5 MB). Free memory was 166.3 MB in the beginning and 144.6 MB in the end (delta: 21.7 MB). Peak memory consumption was 80.3 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:35,454 INFO L168 Benchmark]: TraceAbstraction took 9324.38 ms. Allocated memory was 235.4 MB in the beginning and 365.4 MB in the end (delta: 130.0 MB). Free memory was 144.6 MB in the beginning and 128.0 MB in the end (delta: 16.5 MB). Peak memory consumption was 148.5 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:35,459 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 620.96 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 102.8 MB in the beginning and 170.6 MB in the end (delta: -67.7 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.58 ms. Allocated memory is still 203.9 MB. Free memory was 170.6 MB in the beginning and 166.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1712.03 ms. Allocated memory was 203.9 MB in the beginning and 235.4 MB in the end (delta: 31.5 MB). Free memory was 166.3 MB in the beginning and 144.6 MB in the end (delta: 21.7 MB). Peak memory consumption was 80.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9324.38 ms. Allocated memory was 235.4 MB in the beginning and 365.4 MB in the end (delta: 130.0 MB). Free memory was 144.6 MB in the beginning and 128.0 MB in the end (delta: 16.5 MB). Peak memory consumption was 148.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 145]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || (0 == methaneLevelCritical && 0 == splverifierCounter)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0)) || (0 == splverifierCounter && pumpRunning == 0) - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 183 locations, 1 error locations. Result: SAFE, OverallTime: 9.2s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, HoareTripleCheckerStatistics: 993 SDtfs, 610 SDslu, 2466 SDs, 0 SdLazy, 1501 SolverSat, 240 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 534 GetRequests, 441 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 264 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=407occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 56 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 909 PreInvPairs, 964 NumberOfFragments, 672 HoareAnnotationTreeSize, 909 FomulaSimplifications, 1265 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 60 FomulaSimplificationsInter, 2377 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 747 NumberOfCodeBlocks, 747 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 946 ConstructedInterpolants, 0 QuantifiedInterpolants, 149050 SizeOfPredicates, 18 NumberOfNonLiveVariables, 1576 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 12 InterpolantComputations, 8 PerfectInterpolantSequences, 116/123 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...