java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product59.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:21:57,288 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:21:57,291 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:21:57,307 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:21:57,307 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:21:57,310 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:21:57,312 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:21:57,322 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:21:57,326 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:21:57,330 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:21:57,331 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:21:57,333 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:21:57,334 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:21:57,335 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:21:57,338 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:21:57,340 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:21:57,341 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:21:57,343 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:21:57,345 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:21:57,350 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:21:57,354 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:21:57,357 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:21:57,360 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:21:57,361 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:21:57,363 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:21:57,364 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:21:57,364 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:21:57,366 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:21:57,367 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:21:57,368 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:21:57,368 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:21:57,369 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:21:57,370 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:21:57,371 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:21:57,372 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:21:57,372 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:21:57,373 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:21:57,373 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:21:57,374 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:21:57,374 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:21:57,376 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:21:57,377 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 01:21:57,411 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:21:57,411 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:21:57,414 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:21:57,415 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:21:57,415 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:21:57,418 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:21:57,420 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:21:57,420 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:21:57,421 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:21:57,421 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:21:57,421 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:21:57,421 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:21:57,421 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:21:57,422 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:21:57,422 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:21:57,422 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:21:57,422 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:21:57,422 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:21:57,422 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:21:57,423 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:21:57,423 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:21:57,423 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:21:57,425 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:21:57,425 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:21:57,425 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:21:57,425 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:21:57,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:21:57,425 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:21:57,426 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 01:21:57,716 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:21:57,734 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:21:57,739 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:21:57,740 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:21:57,741 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:21:57,742 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product59.cil.c [2019-10-15 01:21:57,820 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b034518c1/2c289972976346e1b27903b00833b404/FLAG36e22eb18 [2019-10-15 01:21:58,414 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:21:58,415 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product59.cil.c [2019-10-15 01:21:58,431 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b034518c1/2c289972976346e1b27903b00833b404/FLAG36e22eb18 [2019-10-15 01:21:58,706 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b034518c1/2c289972976346e1b27903b00833b404 [2019-10-15 01:21:58,718 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:21:58,720 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:21:58,723 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:21:58,723 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:21:58,727 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:21:58,728 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:21:58" (1/1) ... [2019-10-15 01:21:58,732 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ee9cbb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:58, skipping insertion in model container [2019-10-15 01:21:58,732 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:21:58" (1/1) ... [2019-10-15 01:21:58,742 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:21:58,818 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:21:59,223 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:21:59,239 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:21:59,334 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:21:59,372 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:21:59,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:59 WrapperNode [2019-10-15 01:21:59,373 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:21:59,374 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:21:59,374 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:21:59,374 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:21:59,388 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:59" (1/1) ... [2019-10-15 01:21:59,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:59" (1/1) ... [2019-10-15 01:21:59,409 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:59" (1/1) ... [2019-10-15 01:21:59,409 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:59" (1/1) ... [2019-10-15 01:21:59,439 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:59" (1/1) ... [2019-10-15 01:21:59,450 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:59" (1/1) ... [2019-10-15 01:21:59,455 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:59" (1/1) ... [2019-10-15 01:21:59,463 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:21:59,464 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:21:59,464 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:21:59,465 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:21:59,466 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:59" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:21:59,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:21:59,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:21:59,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:21:59,534 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 01:21:59,534 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 01:21:59,534 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 01:21:59,534 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 01:21:59,535 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 01:21:59,535 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 01:21:59,535 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 01:21:59,535 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-15 01:21:59,535 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:21:59,535 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 01:21:59,536 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 01:21:59,536 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:21:59,536 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 01:21:59,536 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 01:21:59,537 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 01:21:59,537 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 01:21:59,537 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 01:21:59,538 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 01:21:59,538 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 01:21:59,539 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 01:21:59,539 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-15 01:21:59,539 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-15 01:21:59,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:21:59,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:21:59,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:21:59,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:21:59,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:21:59,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:21:59,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:21:59,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-15 01:21:59,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-15 01:21:59,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-15 01:21:59,541 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 01:21:59,541 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 01:21:59,541 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:21:59,542 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 01:21:59,542 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:21:59,542 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:21:59,542 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:21:59,542 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:21:59,542 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:21:59,543 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:21:59,543 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:21:59,543 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:21:59,543 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 01:21:59,543 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 01:21:59,543 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 01:21:59,544 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 01:21:59,544 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 01:21:59,544 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 01:21:59,544 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 01:21:59,544 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-15 01:21:59,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:21:59,544 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-15 01:21:59,545 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 01:21:59,545 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 01:21:59,545 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:21:59,545 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 01:21:59,545 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 01:21:59,546 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 01:21:59,546 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 01:21:59,546 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-15 01:21:59,546 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-15 01:21:59,546 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 01:21:59,546 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 01:21:59,547 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 01:21:59,547 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:21:59,547 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-15 01:21:59,547 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 01:21:59,547 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 01:21:59,547 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:21:59,547 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:21:59,548 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:21:59,548 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:21:59,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:21:59,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:21:59,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:21:59,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:21:59,549 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:21:59,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:21:59,549 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:21:59,549 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:21:59,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:21:59,550 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:21:59,550 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:21:59,550 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:21:59,550 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:21:59,550 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-15 01:21:59,550 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 01:21:59,550 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:21:59,551 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 01:21:59,551 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:21:59,551 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:21:59,551 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:21:59,551 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:21:59,551 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:21:59,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:21:59,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:21:59,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:22:00,716 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:22:00,717 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 01:22:00,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:22:00 BoogieIcfgContainer [2019-10-15 01:22:00,719 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:22:00,720 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:22:00,721 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:22:00,725 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:22:00,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:21:58" (1/3) ... [2019-10-15 01:22:00,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13ae1f7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:22:00, skipping insertion in model container [2019-10-15 01:22:00,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:59" (2/3) ... [2019-10-15 01:22:00,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13ae1f7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:22:00, skipping insertion in model container [2019-10-15 01:22:00,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:22:00" (3/3) ... [2019-10-15 01:22:00,730 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product59.cil.c [2019-10-15 01:22:00,741 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:22:00,753 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:22:00,765 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:22:00,810 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:22:00,811 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:22:00,811 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:22:00,811 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:22:00,811 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:22:00,811 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:22:00,812 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:22:00,812 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:22:00,841 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states. [2019-10-15 01:22:00,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-15 01:22:00,852 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:00,853 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:22:00,855 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:00,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:00,861 INFO L82 PathProgramCache]: Analyzing trace with hash 1133755032, now seen corresponding path program 1 times [2019-10-15 01:22:00,872 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:00,872 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567953530] [2019-10-15 01:22:00,873 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:00,873 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:00,873 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:01,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:01,244 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:22:01,245 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567953530] [2019-10-15 01:22:01,246 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:22:01,247 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:22:01,248 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997728392] [2019-10-15 01:22:01,261 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:22:01,265 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:01,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:22:01,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:22:01,283 INFO L87 Difference]: Start difference. First operand 202 states. Second operand 2 states. [2019-10-15 01:22:01,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:01,327 INFO L93 Difference]: Finished difference Result 314 states and 385 transitions. [2019-10-15 01:22:01,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:22:01,329 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-10-15 01:22:01,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:01,343 INFO L225 Difference]: With dead ends: 314 [2019-10-15 01:22:01,344 INFO L226 Difference]: Without dead ends: 159 [2019-10-15 01:22:01,349 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:22:01,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2019-10-15 01:22:01,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2019-10-15 01:22:01,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2019-10-15 01:22:01,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 186 transitions. [2019-10-15 01:22:01,408 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 186 transitions. Word has length 59 [2019-10-15 01:22:01,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:01,409 INFO L462 AbstractCegarLoop]: Abstraction has 159 states and 186 transitions. [2019-10-15 01:22:01,409 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:22:01,409 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 186 transitions. [2019-10-15 01:22:01,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-15 01:22:01,413 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:01,414 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:22:01,414 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:01,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:01,414 INFO L82 PathProgramCache]: Analyzing trace with hash -138893135, now seen corresponding path program 1 times [2019-10-15 01:22:01,415 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:01,415 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340053579] [2019-10-15 01:22:01,415 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:01,415 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:01,415 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:01,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:01,553 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:22:01,554 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340053579] [2019-10-15 01:22:01,554 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:22:01,554 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:22:01,555 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601598405] [2019-10-15 01:22:01,558 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:22:01,558 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:01,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:22:01,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:22:01,559 INFO L87 Difference]: Start difference. First operand 159 states and 186 transitions. Second operand 3 states. [2019-10-15 01:22:01,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:01,593 INFO L93 Difference]: Finished difference Result 257 states and 299 transitions. [2019-10-15 01:22:01,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:22:01,594 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-10-15 01:22:01,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:01,597 INFO L225 Difference]: With dead ends: 257 [2019-10-15 01:22:01,597 INFO L226 Difference]: Without dead ends: 150 [2019-10-15 01:22:01,599 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:22:01,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2019-10-15 01:22:01,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2019-10-15 01:22:01,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-10-15 01:22:01,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 174 transitions. [2019-10-15 01:22:01,630 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 174 transitions. Word has length 60 [2019-10-15 01:22:01,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:01,632 INFO L462 AbstractCegarLoop]: Abstraction has 150 states and 174 transitions. [2019-10-15 01:22:01,632 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:22:01,632 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 174 transitions. [2019-10-15 01:22:01,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-15 01:22:01,638 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:01,638 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:22:01,639 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:01,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:01,639 INFO L82 PathProgramCache]: Analyzing trace with hash 1740604635, now seen corresponding path program 1 times [2019-10-15 01:22:01,641 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:01,641 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470637331] [2019-10-15 01:22:01,641 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:01,641 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:01,642 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:01,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:01,861 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:22:01,862 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470637331] [2019-10-15 01:22:01,862 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:22:01,863 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:22:01,863 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863190957] [2019-10-15 01:22:01,865 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:22:01,865 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:01,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:22:01,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:22:01,866 INFO L87 Difference]: Start difference. First operand 150 states and 174 transitions. Second operand 7 states. [2019-10-15 01:22:02,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:02,456 INFO L93 Difference]: Finished difference Result 450 states and 540 transitions. [2019-10-15 01:22:02,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:22:02,457 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2019-10-15 01:22:02,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:02,466 INFO L225 Difference]: With dead ends: 450 [2019-10-15 01:22:02,466 INFO L226 Difference]: Without dead ends: 328 [2019-10-15 01:22:02,468 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:22:02,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2019-10-15 01:22:02,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 320. [2019-10-15 01:22:02,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2019-10-15 01:22:02,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 384 transitions. [2019-10-15 01:22:02,539 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 384 transitions. Word has length 64 [2019-10-15 01:22:02,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:02,540 INFO L462 AbstractCegarLoop]: Abstraction has 320 states and 384 transitions. [2019-10-15 01:22:02,540 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:22:02,540 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 384 transitions. [2019-10-15 01:22:02,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-15 01:22:02,553 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:02,556 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:22:02,557 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:02,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:02,557 INFO L82 PathProgramCache]: Analyzing trace with hash 659595443, now seen corresponding path program 1 times [2019-10-15 01:22:02,557 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:02,558 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049328875] [2019-10-15 01:22:02,558 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:02,558 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:02,559 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:02,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:02,743 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:22:02,744 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049328875] [2019-10-15 01:22:02,744 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:22:02,744 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:22:02,744 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464304403] [2019-10-15 01:22:02,745 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:22:02,745 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:02,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:22:02,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:22:02,746 INFO L87 Difference]: Start difference. First operand 320 states and 384 transitions. Second operand 7 states. [2019-10-15 01:22:03,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:03,678 INFO L93 Difference]: Finished difference Result 795 states and 1022 transitions. [2019-10-15 01:22:03,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 01:22:03,678 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2019-10-15 01:22:03,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:03,683 INFO L225 Difference]: With dead ends: 795 [2019-10-15 01:22:03,683 INFO L226 Difference]: Without dead ends: 503 [2019-10-15 01:22:03,686 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-15 01:22:03,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2019-10-15 01:22:03,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 450. [2019-10-15 01:22:03,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 450 states. [2019-10-15 01:22:03,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 539 transitions. [2019-10-15 01:22:03,732 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 539 transitions. Word has length 70 [2019-10-15 01:22:03,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:03,733 INFO L462 AbstractCegarLoop]: Abstraction has 450 states and 539 transitions. [2019-10-15 01:22:03,733 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:22:03,733 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 539 transitions. [2019-10-15 01:22:03,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-10-15 01:22:03,736 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:03,737 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:22:03,737 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:03,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:03,737 INFO L82 PathProgramCache]: Analyzing trace with hash -73914297, now seen corresponding path program 1 times [2019-10-15 01:22:03,738 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:03,738 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766431663] [2019-10-15 01:22:03,738 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:03,738 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:03,739 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:03,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:03,859 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:22:03,859 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766431663] [2019-10-15 01:22:03,860 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:22:03,860 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:22:03,860 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971464901] [2019-10-15 01:22:03,862 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:22:03,863 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:03,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:22:03,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:22:03,864 INFO L87 Difference]: Start difference. First operand 450 states and 539 transitions. Second operand 6 states. [2019-10-15 01:22:03,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:03,919 INFO L93 Difference]: Finished difference Result 886 states and 1094 transitions. [2019-10-15 01:22:03,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:22:03,920 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 107 [2019-10-15 01:22:03,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:03,925 INFO L225 Difference]: With dead ends: 886 [2019-10-15 01:22:03,926 INFO L226 Difference]: Without dead ends: 464 [2019-10-15 01:22:03,928 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:22:03,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2019-10-15 01:22:03,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 460. [2019-10-15 01:22:03,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 460 states. [2019-10-15 01:22:03,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 549 transitions. [2019-10-15 01:22:03,986 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 549 transitions. Word has length 107 [2019-10-15 01:22:03,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:03,987 INFO L462 AbstractCegarLoop]: Abstraction has 460 states and 549 transitions. [2019-10-15 01:22:03,987 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:22:03,987 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 549 transitions. [2019-10-15 01:22:03,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-10-15 01:22:03,990 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:03,990 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:22:03,990 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:03,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:03,991 INFO L82 PathProgramCache]: Analyzing trace with hash 1854358405, now seen corresponding path program 1 times [2019-10-15 01:22:03,991 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:03,991 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127154180] [2019-10-15 01:22:03,991 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:03,992 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:03,992 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:04,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:04,133 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:22:04,133 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127154180] [2019-10-15 01:22:04,133 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:22:04,134 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 01:22:04,134 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544971854] [2019-10-15 01:22:04,134 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:22:04,135 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:04,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:22:04,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:22:04,136 INFO L87 Difference]: Start difference. First operand 460 states and 549 transitions. Second operand 8 states. [2019-10-15 01:22:04,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:04,219 INFO L93 Difference]: Finished difference Result 906 states and 1114 transitions. [2019-10-15 01:22:04,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:22:04,219 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 107 [2019-10-15 01:22:04,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:04,225 INFO L225 Difference]: With dead ends: 906 [2019-10-15 01:22:04,225 INFO L226 Difference]: Without dead ends: 474 [2019-10-15 01:22:04,227 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:22:04,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2019-10-15 01:22:04,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 468. [2019-10-15 01:22:04,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2019-10-15 01:22:04,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 557 transitions. [2019-10-15 01:22:04,267 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 557 transitions. Word has length 107 [2019-10-15 01:22:04,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:04,269 INFO L462 AbstractCegarLoop]: Abstraction has 468 states and 557 transitions. [2019-10-15 01:22:04,270 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:22:04,270 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 557 transitions. [2019-10-15 01:22:04,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-10-15 01:22:04,275 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:04,275 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:22:04,275 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:04,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:04,276 INFO L82 PathProgramCache]: Analyzing trace with hash 1613818276, now seen corresponding path program 1 times [2019-10-15 01:22:04,276 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:04,276 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845766577] [2019-10-15 01:22:04,277 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:04,277 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:04,277 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:04,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:04,384 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:22:04,384 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845766577] [2019-10-15 01:22:04,385 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:22:04,385 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:22:04,385 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520473564] [2019-10-15 01:22:04,386 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:22:04,386 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:04,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:22:04,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:22:04,387 INFO L87 Difference]: Start difference. First operand 468 states and 557 transitions. Second operand 4 states. [2019-10-15 01:22:04,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:04,685 INFO L93 Difference]: Finished difference Result 1456 states and 1818 transitions. [2019-10-15 01:22:04,685 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 01:22:04,685 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 107 [2019-10-15 01:22:04,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:04,692 INFO L225 Difference]: With dead ends: 1456 [2019-10-15 01:22:04,692 INFO L226 Difference]: Without dead ends: 1016 [2019-10-15 01:22:04,694 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:22:04,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1016 states. [2019-10-15 01:22:04,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1016 to 999. [2019-10-15 01:22:04,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 999 states. [2019-10-15 01:22:04,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1224 transitions. [2019-10-15 01:22:04,761 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1224 transitions. Word has length 107 [2019-10-15 01:22:04,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:04,761 INFO L462 AbstractCegarLoop]: Abstraction has 999 states and 1224 transitions. [2019-10-15 01:22:04,761 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:22:04,761 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1224 transitions. [2019-10-15 01:22:04,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-10-15 01:22:04,764 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:04,765 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:22:04,765 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:04,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:04,765 INFO L82 PathProgramCache]: Analyzing trace with hash 608509898, now seen corresponding path program 1 times [2019-10-15 01:22:04,766 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:04,766 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290469024] [2019-10-15 01:22:04,766 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:04,766 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:04,766 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:04,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:04,923 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:22:04,923 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290469024] [2019-10-15 01:22:04,923 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:22:04,924 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-15 01:22:04,924 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469459717] [2019-10-15 01:22:04,924 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-15 01:22:04,925 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:04,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-15 01:22:04,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:22:04,925 INFO L87 Difference]: Start difference. First operand 999 states and 1224 transitions. Second operand 9 states. [2019-10-15 01:22:06,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:06,145 INFO L93 Difference]: Finished difference Result 2742 states and 3516 transitions. [2019-10-15 01:22:06,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-15 01:22:06,145 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 111 [2019-10-15 01:22:06,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:06,157 INFO L225 Difference]: With dead ends: 2742 [2019-10-15 01:22:06,157 INFO L226 Difference]: Without dead ends: 1953 [2019-10-15 01:22:06,161 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2019-10-15 01:22:06,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1953 states. [2019-10-15 01:22:06,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1953 to 1728. [2019-10-15 01:22:06,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1728 states. [2019-10-15 01:22:06,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1728 states to 1728 states and 2083 transitions. [2019-10-15 01:22:06,304 INFO L78 Accepts]: Start accepts. Automaton has 1728 states and 2083 transitions. Word has length 111 [2019-10-15 01:22:06,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:06,304 INFO L462 AbstractCegarLoop]: Abstraction has 1728 states and 2083 transitions. [2019-10-15 01:22:06,304 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-15 01:22:06,305 INFO L276 IsEmpty]: Start isEmpty. Operand 1728 states and 2083 transitions. [2019-10-15 01:22:06,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-10-15 01:22:06,309 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:06,309 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:22:06,309 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:06,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:06,310 INFO L82 PathProgramCache]: Analyzing trace with hash 866799866, now seen corresponding path program 1 times [2019-10-15 01:22:06,310 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:06,310 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070465067] [2019-10-15 01:22:06,310 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:06,310 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:06,311 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:06,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:06,456 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-15 01:22:06,456 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070465067] [2019-10-15 01:22:06,456 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [317451139] [2019-10-15 01:22:06,457 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:22:06,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:06,676 INFO L256 TraceCheckSpWp]: Trace formula consists of 965 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-15 01:22:06,690 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:22:06,847 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:22:06,847 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:22:07,308 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-15 01:22:07,308 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [939181526] [2019-10-15 01:22:07,315 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 173 [2019-10-15 01:22:07,363 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-15 01:22:07,363 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 01:22:07,443 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-15 01:22:07,445 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 69 root evaluator evaluations with a maximum evaluation depth of 0. Performed 69 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 128 variables. [2019-10-15 01:22:07,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:07,452 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-15 01:22:07,537 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-15 01:22:07,538 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-15 01:22:07,542 INFO L553 sIntCurrentIteration]: We unified 171 AI predicates to 171 [2019-10-15 01:22:07,543 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-15 01:22:07,543 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-15 01:22:07,544 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11, 7, 7] total 19 [2019-10-15 01:22:07,544 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806662090] [2019-10-15 01:22:07,545 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:22:07,545 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:07,546 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-15 01:22:07,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:22:07,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:22:07,546 INFO L87 Difference]: Start difference. First operand 1728 states and 2083 transitions. Second operand 2 states. [2019-10-15 01:22:07,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:07,566 INFO L93 Difference]: Finished difference Result 1728 states and 2083 transitions. [2019-10-15 01:22:07,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:22:07,567 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 172 [2019-10-15 01:22:07,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:07,567 INFO L225 Difference]: With dead ends: 1728 [2019-10-15 01:22:07,568 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:22:07,572 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:22:07,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:22:07,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:22:07,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:22:07,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:22:07,573 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 172 [2019-10-15 01:22:07,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:07,574 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:22:07,574 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:22:07,574 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:22:07,574 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:22:07,781 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:22:07,787 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:22:08,282 INFO L443 ceAbstractionStarter]: For program point L543(lines 543 547) no Hoare annotation was computed. [2019-10-15 01:22:08,282 INFO L443 ceAbstractionStarter]: For program point L543-1(lines 543 547) no Hoare annotation was computed. [2019-10-15 01:22:08,282 INFO L443 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2019-10-15 01:22:08,282 INFO L443 ceAbstractionStarter]: For program point L537-2(lines 537 558) no Hoare annotation was computed. [2019-10-15 01:22:08,282 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 512 567) no Hoare annotation was computed. [2019-10-15 01:22:08,282 INFO L443 ceAbstractionStarter]: For program point L559(lines 536 560) no Hoare annotation was computed. [2019-10-15 01:22:08,282 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 512 567) no Hoare annotation was computed. [2019-10-15 01:22:08,283 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 512 567) no Hoare annotation was computed. [2019-10-15 01:22:08,283 INFO L443 ceAbstractionStarter]: For program point L600(lines 600 604) no Hoare annotation was computed. [2019-10-15 01:22:08,283 INFO L443 ceAbstractionStarter]: For program point L600-1(lines 600 604) no Hoare annotation was computed. [2019-10-15 01:22:08,283 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 568 627) no Hoare annotation was computed. [2019-10-15 01:22:08,283 INFO L443 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2019-10-15 01:22:08,283 INFO L443 ceAbstractionStarter]: For program point L594-2(lines 594 619) no Hoare annotation was computed. [2019-10-15 01:22:08,283 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 568 627) no Hoare annotation was computed. [2019-10-15 01:22:08,284 INFO L443 ceAbstractionStarter]: For program point L620(lines 593 621) no Hoare annotation was computed. [2019-10-15 01:22:08,284 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 568 627) no Hoare annotation was computed. [2019-10-15 01:22:08,284 INFO L443 ceAbstractionStarter]: For program point L613(line 613) no Hoare annotation was computed. [2019-10-15 01:22:08,284 INFO L443 ceAbstractionStarter]: For program point L613-1(line 613) no Hoare annotation was computed. [2019-10-15 01:22:08,284 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 1002 1008) the Hoare annotation is: true [2019-10-15 01:22:08,285 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 1002 1008) no Hoare annotation was computed. [2019-10-15 01:22:08,285 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 1009 1017) no Hoare annotation was computed. [2019-10-15 01:22:08,285 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 1009 1017) the Hoare annotation is: true [2019-10-15 01:22:08,285 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 1009 1017) no Hoare annotation was computed. [2019-10-15 01:22:08,285 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 836 843) the Hoare annotation is: true [2019-10-15 01:22:08,285 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 836 843) no Hoare annotation was computed. [2019-10-15 01:22:08,286 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 836 843) no Hoare annotation was computed. [2019-10-15 01:22:08,286 INFO L443 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2019-10-15 01:22:08,286 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 844 853) the Hoare annotation is: true [2019-10-15 01:22:08,286 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 844 853) no Hoare annotation was computed. [2019-10-15 01:22:08,286 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 844 853) no Hoare annotation was computed. [2019-10-15 01:22:08,286 INFO L446 ceAbstractionStarter]: At program point L864(line 864) the Hoare annotation is: true [2019-10-15 01:22:08,286 INFO L443 ceAbstractionStarter]: For program point L864-1(line 864) no Hoare annotation was computed. [2019-10-15 01:22:08,286 INFO L443 ceAbstractionStarter]: For program point L862(lines 862 879) no Hoare annotation was computed. [2019-10-15 01:22:08,287 INFO L443 ceAbstractionStarter]: For program point L862-1(lines 854 882) no Hoare annotation was computed. [2019-10-15 01:22:08,287 INFO L446 ceAbstractionStarter]: At program point L860(line 860) the Hoare annotation is: true [2019-10-15 01:22:08,287 INFO L443 ceAbstractionStarter]: For program point L860-1(line 860) no Hoare annotation was computed. [2019-10-15 01:22:08,287 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 854 882) the Hoare annotation is: true [2019-10-15 01:22:08,287 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 854 882) no Hoare annotation was computed. [2019-10-15 01:22:08,287 INFO L446 ceAbstractionStarter]: At program point L869(line 869) the Hoare annotation is: true [2019-10-15 01:22:08,287 INFO L443 ceAbstractionStarter]: For program point L867(lines 867 873) no Hoare annotation was computed. [2019-10-15 01:22:08,288 INFO L443 ceAbstractionStarter]: For program point L866(lines 866 876) no Hoare annotation was computed. [2019-10-15 01:22:08,288 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 960 982) the Hoare annotation is: true [2019-10-15 01:22:08,288 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 960 982) no Hoare annotation was computed. [2019-10-15 01:22:08,288 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 960 982) no Hoare annotation was computed. [2019-10-15 01:22:08,288 INFO L446 ceAbstractionStarter]: At program point L972(line 972) the Hoare annotation is: true [2019-10-15 01:22:08,288 INFO L446 ceAbstractionStarter]: At program point L972-1(line 972) the Hoare annotation is: true [2019-10-15 01:22:08,288 INFO L443 ceAbstractionStarter]: For program point L970(lines 970 977) no Hoare annotation was computed. [2019-10-15 01:22:08,288 INFO L443 ceAbstractionStarter]: For program point L970-1(lines 970 977) no Hoare annotation was computed. [2019-10-15 01:22:08,289 INFO L443 ceAbstractionStarter]: For program point L968(line 968) no Hoare annotation was computed. [2019-10-15 01:22:08,289 INFO L446 ceAbstractionStarter]: At program point L967(line 967) the Hoare annotation is: true [2019-10-15 01:22:08,289 INFO L446 ceAbstractionStarter]: At program point L966(line 966) the Hoare annotation is: true [2019-10-15 01:22:08,289 INFO L446 ceAbstractionStarter]: At program point L966-1(line 966) the Hoare annotation is: true [2019-10-15 01:22:08,289 INFO L443 ceAbstractionStarter]: For program point L929(line 929) no Hoare annotation was computed. [2019-10-15 01:22:08,289 INFO L443 ceAbstractionStarter]: For program point L928(line 928) no Hoare annotation was computed. [2019-10-15 01:22:08,289 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 915 938) no Hoare annotation was computed. [2019-10-15 01:22:08,289 INFO L443 ceAbstractionStarter]: For program point L927(line 927) no Hoare annotation was computed. [2019-10-15 01:22:08,289 INFO L443 ceAbstractionStarter]: For program point L926(line 926) no Hoare annotation was computed. [2019-10-15 01:22:08,289 INFO L443 ceAbstractionStarter]: For program point L925(line 925) no Hoare annotation was computed. [2019-10-15 01:22:08,289 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 915 938) no Hoare annotation was computed. [2019-10-15 01:22:08,289 INFO L443 ceAbstractionStarter]: For program point L924(line 924) no Hoare annotation was computed. [2019-10-15 01:22:08,289 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 915 938) no Hoare annotation was computed. [2019-10-15 01:22:08,290 INFO L443 ceAbstractionStarter]: For program point L923(line 923) no Hoare annotation was computed. [2019-10-15 01:22:08,290 INFO L443 ceAbstractionStarter]: For program point L922(line 922) no Hoare annotation was computed. [2019-10-15 01:22:08,290 INFO L443 ceAbstractionStarter]: For program point L921(line 921) no Hoare annotation was computed. [2019-10-15 01:22:08,290 INFO L443 ceAbstractionStarter]: For program point L920(line 920) no Hoare annotation was computed. [2019-10-15 01:22:08,290 INFO L443 ceAbstractionStarter]: For program point L933(line 933) no Hoare annotation was computed. [2019-10-15 01:22:08,290 INFO L443 ceAbstractionStarter]: For program point L932(line 932) no Hoare annotation was computed. [2019-10-15 01:22:08,290 INFO L443 ceAbstractionStarter]: For program point L931(line 931) no Hoare annotation was computed. [2019-10-15 01:22:08,290 INFO L443 ceAbstractionStarter]: For program point L930(line 930) no Hoare annotation was computed. [2019-10-15 01:22:08,290 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 444 458) no Hoare annotation was computed. [2019-10-15 01:22:08,290 INFO L443 ceAbstractionStarter]: For program point L448(lines 448 454) no Hoare annotation was computed. [2019-10-15 01:22:08,290 INFO L446 ceAbstractionStarter]: At program point stopSystemENTRY(lines 444 458) the Hoare annotation is: true [2019-10-15 01:22:08,290 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 444 458) no Hoare annotation was computed. [2019-10-15 01:22:08,291 INFO L446 ceAbstractionStarter]: At program point L450(line 450) the Hoare annotation is: true [2019-10-15 01:22:08,291 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 361 369) no Hoare annotation was computed. [2019-10-15 01:22:08,291 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 361 369) the Hoare annotation is: true [2019-10-15 01:22:08,291 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 361 369) no Hoare annotation was computed. [2019-10-15 01:22:08,291 INFO L446 ceAbstractionStarter]: At program point L432(line 432) the Hoare annotation is: true [2019-10-15 01:22:08,291 INFO L443 ceAbstractionStarter]: For program point L434-2(lines 434 438) no Hoare annotation was computed. [2019-10-15 01:22:08,291 INFO L443 ceAbstractionStarter]: For program point L432-1(line 432) no Hoare annotation was computed. [2019-10-15 01:22:08,291 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 425 443) the Hoare annotation is: true [2019-10-15 01:22:08,291 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 425 443) no Hoare annotation was computed. [2019-10-15 01:22:08,291 INFO L443 ceAbstractionStarter]: For program point L434(lines 434 438) no Hoare annotation was computed. [2019-10-15 01:22:08,291 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 425 443) no Hoare annotation was computed. [2019-10-15 01:22:08,291 INFO L443 ceAbstractionStarter]: For program point L377(lines 377 385) no Hoare annotation was computed. [2019-10-15 01:22:08,291 INFO L443 ceAbstractionStarter]: For program point L377-2(lines 377 385) no Hoare annotation was computed. [2019-10-15 01:22:08,292 INFO L443 ceAbstractionStarter]: For program point L400(line 400) no Hoare annotation was computed. [2019-10-15 01:22:08,292 INFO L443 ceAbstractionStarter]: For program point L400-1(line 400) no Hoare annotation was computed. [2019-10-15 01:22:08,292 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 370 405) no Hoare annotation was computed. [2019-10-15 01:22:08,292 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 370 405) no Hoare annotation was computed. [2019-10-15 01:22:08,292 INFO L443 ceAbstractionStarter]: For program point L389(lines 389 397) no Hoare annotation was computed. [2019-10-15 01:22:08,292 INFO L443 ceAbstractionStarter]: For program point L389-2(lines 389 397) no Hoare annotation was computed. [2019-10-15 01:22:08,292 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 370 405) no Hoare annotation was computed. [2019-10-15 01:22:08,292 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 995 1001) no Hoare annotation was computed. [2019-10-15 01:22:08,292 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 995 1001) the Hoare annotation is: true [2019-10-15 01:22:08,292 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 466 511) no Hoare annotation was computed. [2019-10-15 01:22:08,292 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 466 511) no Hoare annotation was computed. [2019-10-15 01:22:08,292 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 466 511) no Hoare annotation was computed. [2019-10-15 01:22:08,292 INFO L443 ceAbstractionStarter]: For program point L799(lines 799 806) no Hoare annotation was computed. [2019-10-15 01:22:08,293 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 779 824) no Hoare annotation was computed. [2019-10-15 01:22:08,293 INFO L443 ceAbstractionStarter]: For program point L793(lines 793 813) no Hoare annotation was computed. [2019-10-15 01:22:08,293 INFO L443 ceAbstractionStarter]: For program point L793-1(lines 793 813) no Hoare annotation was computed. [2019-10-15 01:22:08,293 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 779 824) no Hoare annotation was computed. [2019-10-15 01:22:08,293 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 779 824) no Hoare annotation was computed. [2019-10-15 01:22:08,293 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 946 956) the Hoare annotation is: true [2019-10-15 01:22:08,293 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 946 956) no Hoare annotation was computed. [2019-10-15 01:22:08,293 INFO L446 ceAbstractionStarter]: At program point L951(line 951) the Hoare annotation is: true [2019-10-15 01:22:08,293 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 946 956) no Hoare annotation was computed. [2019-10-15 01:22:08,293 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 350 360) the Hoare annotation is: true [2019-10-15 01:22:08,293 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 350 360) no Hoare annotation was computed. [2019-10-15 01:22:08,293 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 350 360) no Hoare annotation was computed. [2019-10-15 01:22:08,293 INFO L446 ceAbstractionStarter]: At program point L355(line 355) the Hoare annotation is: true [2019-10-15 01:22:08,294 INFO L443 ceAbstractionStarter]: For program point L355-1(line 355) no Hoare annotation was computed. [2019-10-15 01:22:08,294 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 342 349) the Hoare annotation is: true [2019-10-15 01:22:08,294 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 342 349) no Hoare annotation was computed. [2019-10-15 01:22:08,294 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 342 349) no Hoare annotation was computed. [2019-10-15 01:22:08,294 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2019-10-15 01:22:08,294 INFO L443 ceAbstractionStarter]: For program point L131(lines 131 137) no Hoare annotation was computed. [2019-10-15 01:22:08,294 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2019-10-15 01:22:08,294 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2019-10-15 01:22:08,294 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 291 315) no Hoare annotation was computed. [2019-10-15 01:22:08,294 INFO L446 ceAbstractionStarter]: At program point L310(line 310) the Hoare annotation is: true [2019-10-15 01:22:08,294 INFO L443 ceAbstractionStarter]: For program point L310-1(lines 291 315) no Hoare annotation was computed. [2019-10-15 01:22:08,294 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 291 315) the Hoare annotation is: true [2019-10-15 01:22:08,295 INFO L446 ceAbstractionStarter]: At program point L305(line 305) the Hoare annotation is: true [2019-10-15 01:22:08,295 INFO L446 ceAbstractionStarter]: At program point L301(line 301) the Hoare annotation is: true [2019-10-15 01:22:08,295 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 307) no Hoare annotation was computed. [2019-10-15 01:22:08,295 INFO L446 ceAbstractionStarter]: At program point L297(line 297) the Hoare annotation is: true [2019-10-15 01:22:08,295 INFO L443 ceAbstractionStarter]: For program point L297-1(line 297) no Hoare annotation was computed. [2019-10-15 01:22:08,295 INFO L443 ceAbstractionStarter]: For program point L295(lines 295 312) no Hoare annotation was computed. [2019-10-15 01:22:08,295 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 257 263) no Hoare annotation was computed. [2019-10-15 01:22:08,295 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 257 263) the Hoare annotation is: true [2019-10-15 01:22:08,295 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 154 219) the Hoare annotation is: true [2019-10-15 01:22:08,295 INFO L446 ceAbstractionStarter]: At program point L186(line 186) the Hoare annotation is: true [2019-10-15 01:22:08,295 INFO L443 ceAbstractionStarter]: For program point L184(lines 184 190) no Hoare annotation was computed. [2019-10-15 01:22:08,295 INFO L443 ceAbstractionStarter]: For program point L184-1(lines 184 190) no Hoare annotation was computed. [2019-10-15 01:22:08,295 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 154 219) no Hoare annotation was computed. [2019-10-15 01:22:08,296 INFO L446 ceAbstractionStarter]: At program point L209(lines 164 211) the Hoare annotation is: true [2019-10-15 01:22:08,296 INFO L446 ceAbstractionStarter]: At program point L176(line 176) the Hoare annotation is: true [2019-10-15 01:22:08,296 INFO L443 ceAbstractionStarter]: For program point L174(lines 174 180) no Hoare annotation was computed. [2019-10-15 01:22:08,296 INFO L443 ceAbstractionStarter]: For program point L174-1(lines 174 180) no Hoare annotation was computed. [2019-10-15 01:22:08,296 INFO L443 ceAbstractionStarter]: For program point L166(lines 166 170) no Hoare annotation was computed. [2019-10-15 01:22:08,296 INFO L446 ceAbstractionStarter]: At program point L212(lines 163 213) the Hoare annotation is: true [2019-10-15 01:22:08,296 INFO L446 ceAbstractionStarter]: At program point L202(line 202) the Hoare annotation is: true [2019-10-15 01:22:08,296 INFO L443 ceAbstractionStarter]: For program point L200(lines 200 206) no Hoare annotation was computed. [2019-10-15 01:22:08,296 INFO L446 ceAbstractionStarter]: At program point L200-1(lines 194 207) the Hoare annotation is: true [2019-10-15 01:22:08,297 INFO L443 ceAbstractionStarter]: For program point L165(lines 164 211) no Hoare annotation was computed. [2019-10-15 01:22:08,297 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 154 219) no Hoare annotation was computed. [2019-10-15 01:22:08,297 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 207) no Hoare annotation was computed. [2019-10-15 01:22:08,297 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 733 778) no Hoare annotation was computed. [2019-10-15 01:22:08,297 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 733 778) no Hoare annotation was computed. [2019-10-15 01:22:08,297 INFO L443 ceAbstractionStarter]: For program point L753(lines 753 760) no Hoare annotation was computed. [2019-10-15 01:22:08,297 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 733 778) no Hoare annotation was computed. [2019-10-15 01:22:08,297 INFO L443 ceAbstractionStarter]: For program point L747(lines 747 767) no Hoare annotation was computed. [2019-10-15 01:22:08,298 INFO L443 ceAbstractionStarter]: For program point L747-1(lines 747 767) no Hoare annotation was computed. [2019-10-15 01:22:08,298 INFO L446 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 316 323) the Hoare annotation is: true [2019-10-15 01:22:08,298 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 316 323) no Hoare annotation was computed. [2019-10-15 01:22:08,298 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 316 323) no Hoare annotation was computed. [2019-10-15 01:22:08,298 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2019-10-15 01:22:08,298 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2019-10-15 01:22:08,298 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2019-10-15 01:22:08,298 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 95 117) no Hoare annotation was computed. [2019-10-15 01:22:08,299 INFO L443 ceAbstractionStarter]: For program point L103(lines 103 111) no Hoare annotation was computed. [2019-10-15 01:22:08,299 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 95 117) no Hoare annotation was computed. [2019-10-15 01:22:08,299 INFO L443 ceAbstractionStarter]: For program point L103-2(lines 103 111) no Hoare annotation was computed. [2019-10-15 01:22:08,299 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 95 117) no Hoare annotation was computed. [2019-10-15 01:22:08,299 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 630 732) no Hoare annotation was computed. [2019-10-15 01:22:08,299 INFO L443 ceAbstractionStarter]: For program point L700(lines 678 701) no Hoare annotation was computed. [2019-10-15 01:22:08,299 INFO L443 ceAbstractionStarter]: For program point L659(lines 659 675) no Hoare annotation was computed. [2019-10-15 01:22:08,299 INFO L443 ceAbstractionStarter]: For program point L719(lines 719 726) no Hoare annotation was computed. [2019-10-15 01:22:08,299 INFO L443 ceAbstractionStarter]: For program point L680(lines 679 699) no Hoare annotation was computed. [2019-10-15 01:22:08,300 INFO L443 ceAbstractionStarter]: For program point L711(line 711) no Hoare annotation was computed. [2019-10-15 01:22:08,300 INFO L443 ceAbstractionStarter]: For program point L711-1(line 711) no Hoare annotation was computed. [2019-10-15 01:22:08,300 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 630 732) no Hoare annotation was computed. [2019-10-15 01:22:08,300 INFO L443 ceAbstractionStarter]: For program point L676(lines 676 717) no Hoare annotation was computed. [2019-10-15 01:22:08,300 INFO L443 ceAbstractionStarter]: For program point L695(line 695) no Hoare annotation was computed. [2019-10-15 01:22:08,300 INFO L443 ceAbstractionStarter]: For program point L695-1(line 695) no Hoare annotation was computed. [2019-10-15 01:22:08,300 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 630 732) no Hoare annotation was computed. [2019-10-15 01:22:08,300 INFO L443 ceAbstractionStarter]: For program point L654(lines 654 658) no Hoare annotation was computed. [2019-10-15 01:22:08,300 INFO L443 ceAbstractionStarter]: For program point L718(lines 718 729) no Hoare annotation was computed. [2019-10-15 01:22:08,301 INFO L443 ceAbstractionStarter]: For program point L681(lines 681 685) no Hoare annotation was computed. [2019-10-15 01:22:08,301 INFO L443 ceAbstractionStarter]: For program point L679-2(lines 679 699) no Hoare annotation was computed. [2019-10-15 01:22:08,301 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 985 994) no Hoare annotation was computed. [2019-10-15 01:22:08,301 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 985 994) no Hoare annotation was computed. [2019-10-15 01:22:08,301 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 985 994) no Hoare annotation was computed. [2019-10-15 01:22:08,301 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:22:08,301 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= 1 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2019-10-15 01:22:08,302 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:22:08,302 INFO L446 ceAbstractionStarter]: At program point L336(line 336) the Hoare annotation is: true [2019-10-15 01:22:08,302 INFO L443 ceAbstractionStarter]: For program point L336-1(lines 325 341) no Hoare annotation was computed. [2019-10-15 01:22:08,302 INFO L443 ceAbstractionStarter]: For program point L332(lines 332 338) no Hoare annotation was computed. [2019-10-15 01:22:08,302 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 325 341) no Hoare annotation was computed. [2019-10-15 01:22:08,302 INFO L446 ceAbstractionStarter]: At program point L330(line 330) the Hoare annotation is: true [2019-10-15 01:22:08,302 INFO L443 ceAbstractionStarter]: For program point L330-1(line 330) no Hoare annotation was computed. [2019-10-15 01:22:08,302 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 325 341) the Hoare annotation is: true [2019-10-15 01:22:08,303 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 118 126) the Hoare annotation is: true [2019-10-15 01:22:08,303 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2019-10-15 01:22:08,303 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2019-10-15 01:22:08,303 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 406 424) no Hoare annotation was computed. [2019-10-15 01:22:08,303 INFO L443 ceAbstractionStarter]: For program point L415(lines 415 419) no Hoare annotation was computed. [2019-10-15 01:22:08,303 INFO L446 ceAbstractionStarter]: At program point L413(line 413) the Hoare annotation is: true [2019-10-15 01:22:08,303 INFO L443 ceAbstractionStarter]: For program point L415-2(lines 415 419) no Hoare annotation was computed. [2019-10-15 01:22:08,303 INFO L443 ceAbstractionStarter]: For program point L413-1(line 413) no Hoare annotation was computed. [2019-10-15 01:22:08,304 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 406 424) the Hoare annotation is: true [2019-10-15 01:22:08,304 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 406 424) no Hoare annotation was computed. [2019-10-15 01:22:08,304 INFO L443 ceAbstractionStarter]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2019-10-15 01:22:08,304 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: true [2019-10-15 01:22:08,304 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2019-10-15 01:22:08,304 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:22:08,304 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 01:22:08,304 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:22:08,304 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2019-10-15 01:22:08,305 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2019-10-15 01:22:08,305 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2019-10-15 01:22:08,305 INFO L446 ceAbstractionStarter]: At program point L246(line 246) the Hoare annotation is: true [2019-10-15 01:22:08,305 INFO L446 ceAbstractionStarter]: At program point L244(lines 244 250) the Hoare annotation is: true [2019-10-15 01:22:08,305 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 230 256) the Hoare annotation is: true [2019-10-15 01:22:08,305 INFO L446 ceAbstractionStarter]: At program point L239(line 239) the Hoare annotation is: true [2019-10-15 01:22:08,305 INFO L443 ceAbstractionStarter]: For program point L237(lines 233 255) no Hoare annotation was computed. [2019-10-15 01:22:08,305 INFO L443 ceAbstractionStarter]: For program point L235(lines 233 255) no Hoare annotation was computed. [2019-10-15 01:22:08,306 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 230 256) no Hoare annotation was computed. [2019-10-15 01:22:08,306 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 230 256) no Hoare annotation was computed. [2019-10-15 01:22:08,306 INFO L443 ceAbstractionStarter]: For program point L896(line 896) no Hoare annotation was computed. [2019-10-15 01:22:08,306 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 885 914) no Hoare annotation was computed. [2019-10-15 01:22:08,306 INFO L446 ceAbstractionStarter]: At program point L895-2(lines 895 909) the Hoare annotation is: true [2019-10-15 01:22:08,306 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 885 914) the Hoare annotation is: true [2019-10-15 01:22:08,306 INFO L446 ceAbstractionStarter]: At program point L891(line 891) the Hoare annotation is: true [2019-10-15 01:22:08,306 INFO L443 ceAbstractionStarter]: For program point L891-1(line 891) no Hoare annotation was computed. [2019-10-15 01:22:08,307 INFO L446 ceAbstractionStarter]: At program point L910(lines 885 914) the Hoare annotation is: true [2019-10-15 01:22:08,307 INFO L443 ceAbstractionStarter]: For program point L906(line 906) no Hoare annotation was computed. [2019-10-15 01:22:08,307 INFO L443 ceAbstractionStarter]: For program point L899(lines 899 903) no Hoare annotation was computed. [2019-10-15 01:22:08,307 INFO L446 ceAbstractionStarter]: At program point L899-1(lines 899 903) the Hoare annotation is: true [2019-10-15 01:22:08,307 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: true [2019-10-15 01:22:08,307 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2019-10-15 01:22:08,307 INFO L443 ceAbstractionStarter]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2019-10-15 01:22:08,307 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 939 945) no Hoare annotation was computed. [2019-10-15 01:22:08,308 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 939 945) the Hoare annotation is: true [2019-10-15 01:22:08,308 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:22:08,308 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-15 01:22:08,308 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:22:08,308 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:22:08,308 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 265 289) the Hoare annotation is: true [2019-10-15 01:22:08,308 INFO L446 ceAbstractionStarter]: At program point L284(line 284) the Hoare annotation is: true [2019-10-15 01:22:08,308 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 265 289) no Hoare annotation was computed. [2019-10-15 01:22:08,309 INFO L443 ceAbstractionStarter]: For program point L284-1(lines 265 289) no Hoare annotation was computed. [2019-10-15 01:22:08,309 INFO L446 ceAbstractionStarter]: At program point L279(line 279) the Hoare annotation is: true [2019-10-15 01:22:08,309 INFO L446 ceAbstractionStarter]: At program point L275(line 275) the Hoare annotation is: true [2019-10-15 01:22:08,309 INFO L443 ceAbstractionStarter]: For program point L273(lines 273 281) no Hoare annotation was computed. [2019-10-15 01:22:08,309 INFO L446 ceAbstractionStarter]: At program point L271(line 271) the Hoare annotation is: true [2019-10-15 01:22:08,309 INFO L443 ceAbstractionStarter]: For program point L271-1(line 271) no Hoare annotation was computed. [2019-10-15 01:22:08,309 INFO L443 ceAbstractionStarter]: For program point L269(lines 269 286) no Hoare annotation was computed. [2019-10-15 01:22:08,309 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2019-10-15 01:22:08,309 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2019-10-15 01:22:08,310 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: true [2019-10-15 01:22:08,310 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 826 833) no Hoare annotation was computed. [2019-10-15 01:22:08,310 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 826 833) the Hoare annotation is: true [2019-10-15 01:22:08,310 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 826 833) no Hoare annotation was computed. [2019-10-15 01:22:08,310 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 830) no Hoare annotation was computed. [2019-10-15 01:22:08,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:22:08 BoogieIcfgContainer [2019-10-15 01:22:08,320 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:22:08,322 INFO L168 Benchmark]: Toolchain (without parser) took 9601.94 ms. Allocated memory was 145.2 MB in the beginning and 385.9 MB in the end (delta: 240.6 MB). Free memory was 101.7 MB in the beginning and 326.5 MB in the end (delta: -224.7 MB). Peak memory consumption was 206.3 MB. Max. memory is 7.1 GB. [2019-10-15 01:22:08,323 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 01:22:08,324 INFO L168 Benchmark]: CACSL2BoogieTranslator took 650.20 ms. Allocated memory was 145.2 MB in the beginning and 203.4 MB in the end (delta: 58.2 MB). Free memory was 101.5 MB in the beginning and 169.3 MB in the end (delta: -67.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. [2019-10-15 01:22:08,325 INFO L168 Benchmark]: Boogie Preprocessor took 90.09 ms. Allocated memory is still 203.4 MB. Free memory was 169.3 MB in the beginning and 164.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-10-15 01:22:08,326 INFO L168 Benchmark]: RCFGBuilder took 1254.97 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 164.6 MB in the beginning and 192.5 MB in the end (delta: -27.9 MB). Peak memory consumption was 81.5 MB. Max. memory is 7.1 GB. [2019-10-15 01:22:08,327 INFO L168 Benchmark]: TraceAbstraction took 7599.52 ms. Allocated memory was 235.9 MB in the beginning and 385.9 MB in the end (delta: 149.9 MB). Free memory was 192.5 MB in the beginning and 326.5 MB in the end (delta: -134.0 MB). Peak memory consumption was 206.4 MB. Max. memory is 7.1 GB. [2019-10-15 01:22:08,331 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 650.20 ms. Allocated memory was 145.2 MB in the beginning and 203.4 MB in the end (delta: 58.2 MB). Free memory was 101.5 MB in the beginning and 169.3 MB in the end (delta: -67.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.09 ms. Allocated memory is still 203.4 MB. Free memory was 169.3 MB in the beginning and 164.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1254.97 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 164.6 MB in the beginning and 192.5 MB in the end (delta: -27.9 MB). Peak memory consumption was 81.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7599.52 ms. Allocated memory was 235.9 MB in the beginning and 385.9 MB in the end (delta: 149.9 MB). Free memory was 192.5 MB in the beginning and 326.5 MB in the end (delta: -134.0 MB). Peak memory consumption was 206.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 830]: 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: 885]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 258 locations, 1 error locations. Result: SAFE, OverallTime: 7.5s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 1622 SDtfs, 1258 SDslu, 3611 SDs, 0 SdLazy, 1810 SolverSat, 377 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 258 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1728occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 313 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 70 LocationsWithAnnotation, 1785 PreInvPairs, 1786 NumberOfFragments, 80 HoareAnnotationTreeSize, 1785 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 70 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1029 NumberOfCodeBlocks, 1029 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1190 ConstructedInterpolants, 0 QuantifiedInterpolants, 250994 SizeOfPredicates, 4 NumberOfNonLiveVariables, 965 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 121/150 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 137, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.8245614035087719, AVG_WEAKENED_CONJUNCTS: 0.0, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...