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_spec2_product56.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:20:01,256 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:20:01,258 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:20:01,272 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:20:01,273 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:20:01,275 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:20:01,276 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:20:01,285 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:20:01,289 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:20:01,290 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:20:01,291 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:20:01,294 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:20:01,294 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:20:01,297 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:20:01,298 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:20:01,299 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:20:01,300 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:20:01,301 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:20:01,304 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:20:01,306 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:20:01,307 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:20:01,308 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:20:01,309 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:20:01,310 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:20:01,312 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:20:01,312 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:20:01,312 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:20:01,313 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:20:01,314 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:20:01,315 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:20:01,315 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:20:01,316 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:20:01,316 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:20:01,317 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:20:01,318 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:20:01,318 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:20:01,319 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:20:01,319 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:20:01,319 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:20:01,320 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:20:01,321 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:20:01,322 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 01:20:01,337 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:20:01,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:20:01,339 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:20:01,339 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:20:01,339 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:20:01,340 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:20:01,340 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:20:01,340 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:20:01,340 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:20:01,340 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:20:01,341 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:20:01,341 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:20:01,341 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:20:01,341 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:20:01,341 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:20:01,341 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:20:01,342 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:20:01,342 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:20:01,342 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:20:01,342 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:20:01,342 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:20:01,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:20:01,343 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:20:01,343 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:20:01,343 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:20:01,344 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:20:01,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:20:01,344 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:20:01,344 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 01:20:01,630 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:20:01,643 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:20:01,646 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:20:01,648 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:20:01,648 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:20:01,649 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product56.cil.c [2019-10-15 01:20:01,705 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c775284e8/a748b63085544a678ee6ef5628052374/FLAGde904f4bf [2019-10-15 01:20:02,261 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:20:02,261 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product56.cil.c [2019-10-15 01:20:02,272 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c775284e8/a748b63085544a678ee6ef5628052374/FLAGde904f4bf [2019-10-15 01:20:02,538 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c775284e8/a748b63085544a678ee6ef5628052374 [2019-10-15 01:20:02,548 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:20:02,549 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:20:02,550 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:20:02,551 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:20:02,554 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:20:02,555 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:20:02" (1/1) ... [2019-10-15 01:20:02,557 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20a9a4b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:02, skipping insertion in model container [2019-10-15 01:20:02,558 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:20:02" (1/1) ... [2019-10-15 01:20:02,565 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:20:02,610 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:20:03,036 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:20:03,050 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:20:03,169 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:20:03,217 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:20:03,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:03 WrapperNode [2019-10-15 01:20:03,218 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:20:03,218 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:20:03,218 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:20:03,219 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:20:03,232 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:03" (1/1) ... [2019-10-15 01:20:03,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:03" (1/1) ... [2019-10-15 01:20:03,257 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:03" (1/1) ... [2019-10-15 01:20:03,258 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:03" (1/1) ... [2019-10-15 01:20:03,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:03" (1/1) ... [2019-10-15 01:20:03,317 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:03" (1/1) ... [2019-10-15 01:20:03,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:03" (1/1) ... [2019-10-15 01:20:03,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:20:03,330 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:20:03,330 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:20:03,330 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:20:03,347 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:03" (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 01:20:03,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:20:03,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:20:03,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:20:03,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:20:03,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:20:03,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:20:03,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:20:03,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:20:03,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:20:03,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:20:03,396 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 01:20:03,396 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 01:20:03,397 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 01:20:03,397 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 01:20:03,397 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 01:20:03,397 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 01:20:03,397 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 01:20:03,397 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-15 01:20:03,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-15 01:20:03,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-15 01:20:03,398 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 01:20:03,398 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 01:20:03,398 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:20:03,398 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-15 01:20:03,399 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 01:20:03,399 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 01:20:03,399 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 01:20:03,399 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 01:20:03,399 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 01:20:03,399 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 01:20:03,400 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 01:20:03,400 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-15 01:20:03,400 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-15 01:20:03,400 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-15 01:20:03,400 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:20:03,400 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:20:03,401 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:20:03,401 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:20:03,401 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:20:03,401 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 01:20:03,401 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 01:20:03,401 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:20:03,402 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 01:20:03,402 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:20:03,402 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:20:03,402 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:20:03,402 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:20:03,402 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:20:03,403 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:20:03,403 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:20:03,403 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:20:03,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:20:03,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:20:03,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:20:03,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:20:03,404 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:20:03,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:20:03,404 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:20:03,404 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:20:03,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:20:03,404 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:20:03,404 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:20:03,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:20:03,405 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:20:03,405 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:20:03,405 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 01:20:03,405 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 01:20:03,405 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 01:20:03,406 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 01:20:03,406 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 01:20:03,406 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 01:20:03,406 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 01:20:03,406 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-15 01:20:03,406 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 01:20:03,406 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-15 01:20:03,407 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-15 01:20:03,407 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 01:20:03,407 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 01:20:03,407 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 01:20:03,407 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 01:20:03,407 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-15 01:20:03,408 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-15 01:20:03,408 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 01:20:03,408 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 01:20:03,408 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 01:20:03,408 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:20:03,408 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-15 01:20:03,408 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-15 01:20:03,409 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 01:20:03,409 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 01:20:03,409 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:20:03,409 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:20:03,409 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:20:03,409 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:20:03,410 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:20:03,410 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 01:20:03,410 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:20:03,410 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 01:20:03,410 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:20:03,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:20:03,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:20:03,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:20:04,478 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:20:04,478 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 01:20:04,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:20:04 BoogieIcfgContainer [2019-10-15 01:20:04,481 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:20:04,482 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:20:04,482 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:20:04,485 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:20:04,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:20:02" (1/3) ... [2019-10-15 01:20:04,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43bb23ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:20:04, skipping insertion in model container [2019-10-15 01:20:04,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:03" (2/3) ... [2019-10-15 01:20:04,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43bb23ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:20:04, skipping insertion in model container [2019-10-15 01:20:04,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:20:04" (3/3) ... [2019-10-15 01:20:04,489 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product56.cil.c [2019-10-15 01:20:04,499 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:20:04,508 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:20:04,519 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:20:04,553 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:20:04,553 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:20:04,553 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:20:04,553 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:20:04,554 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:20:04,554 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:20:04,554 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:20:04,554 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:20:04,576 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states. [2019-10-15 01:20:04,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-15 01:20:04,586 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:04,587 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:04,589 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:04,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:04,594 INFO L82 PathProgramCache]: Analyzing trace with hash -453171886, now seen corresponding path program 1 times [2019-10-15 01:20:04,601 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:04,601 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97584846] [2019-10-15 01:20:04,602 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:04,602 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:04,602 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:04,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:04,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:04,878 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97584846] [2019-10-15 01:20:04,879 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:04,879 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:20:04,879 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248860592] [2019-10-15 01:20:04,884 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:20:04,885 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:04,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:20:04,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:20:04,902 INFO L87 Difference]: Start difference. First operand 201 states. Second operand 2 states. [2019-10-15 01:20:04,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:04,949 INFO L93 Difference]: Finished difference Result 312 states and 389 transitions. [2019-10-15 01:20:04,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:20:04,951 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2019-10-15 01:20:04,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:04,964 INFO L225 Difference]: With dead ends: 312 [2019-10-15 01:20:04,965 INFO L226 Difference]: Without dead ends: 158 [2019-10-15 01:20:04,970 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 01:20:04,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2019-10-15 01:20:05,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2019-10-15 01:20:05,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2019-10-15 01:20:05,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 188 transitions. [2019-10-15 01:20:05,028 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 188 transitions. Word has length 51 [2019-10-15 01:20:05,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:05,028 INFO L462 AbstractCegarLoop]: Abstraction has 158 states and 188 transitions. [2019-10-15 01:20:05,028 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:20:05,029 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 188 transitions. [2019-10-15 01:20:05,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-15 01:20:05,032 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:05,032 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:05,033 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:05,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:05,033 INFO L82 PathProgramCache]: Analyzing trace with hash 23130160, now seen corresponding path program 1 times [2019-10-15 01:20:05,033 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:05,034 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868067671] [2019-10-15 01:20:05,034 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:05,034 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:05,034 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:05,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:05,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:05,201 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868067671] [2019-10-15 01:20:05,202 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:05,202 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:20:05,202 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650041060] [2019-10-15 01:20:05,205 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:20:05,205 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:05,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:20:05,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:20:05,206 INFO L87 Difference]: Start difference. First operand 158 states and 188 transitions. Second operand 3 states. [2019-10-15 01:20:05,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:05,254 INFO L93 Difference]: Finished difference Result 251 states and 299 transitions. [2019-10-15 01:20:05,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:20:05,255 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-10-15 01:20:05,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:05,257 INFO L225 Difference]: With dead ends: 251 [2019-10-15 01:20:05,257 INFO L226 Difference]: Without dead ends: 149 [2019-10-15 01:20:05,259 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 01:20:05,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2019-10-15 01:20:05,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2019-10-15 01:20:05,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2019-10-15 01:20:05,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 176 transitions. [2019-10-15 01:20:05,275 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 176 transitions. Word has length 52 [2019-10-15 01:20:05,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:05,276 INFO L462 AbstractCegarLoop]: Abstraction has 149 states and 176 transitions. [2019-10-15 01:20:05,276 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:20:05,276 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 176 transitions. [2019-10-15 01:20:05,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-15 01:20:05,279 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:05,279 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:05,279 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:05,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:05,280 INFO L82 PathProgramCache]: Analyzing trace with hash -1418292754, now seen corresponding path program 1 times [2019-10-15 01:20:05,280 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:05,280 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457075587] [2019-10-15 01:20:05,280 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:05,281 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:05,281 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:05,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:05,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:05,505 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457075587] [2019-10-15 01:20:05,505 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:05,505 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:20:05,506 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633999021] [2019-10-15 01:20:05,508 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:20:05,508 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:05,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:20:05,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:20:05,509 INFO L87 Difference]: Start difference. First operand 149 states and 176 transitions. Second operand 7 states. [2019-10-15 01:20:06,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:06,086 INFO L93 Difference]: Finished difference Result 442 states and 542 transitions. [2019-10-15 01:20:06,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:20:06,087 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-10-15 01:20:06,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:06,090 INFO L225 Difference]: With dead ends: 442 [2019-10-15 01:20:06,091 INFO L226 Difference]: Without dead ends: 321 [2019-10-15 01:20:06,092 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 01:20:06,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2019-10-15 01:20:06,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 309. [2019-10-15 01:20:06,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2019-10-15 01:20:06,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 378 transitions. [2019-10-15 01:20:06,131 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 378 transitions. Word has length 57 [2019-10-15 01:20:06,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:06,132 INFO L462 AbstractCegarLoop]: Abstraction has 309 states and 378 transitions. [2019-10-15 01:20:06,132 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:20:06,132 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 378 transitions. [2019-10-15 01:20:06,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-10-15 01:20:06,135 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:06,135 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:06,135 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:06,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:06,136 INFO L82 PathProgramCache]: Analyzing trace with hash -335998659, now seen corresponding path program 1 times [2019-10-15 01:20:06,136 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:06,136 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712994949] [2019-10-15 01:20:06,136 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:06,136 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:06,137 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:06,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:06,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:06,263 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712994949] [2019-10-15 01:20:06,263 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:06,263 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:20:06,264 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209849348] [2019-10-15 01:20:06,265 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:20:06,265 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:06,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:20:06,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:20:06,269 INFO L87 Difference]: Start difference. First operand 309 states and 378 transitions. Second operand 6 states. [2019-10-15 01:20:06,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:06,488 INFO L93 Difference]: Finished difference Result 853 states and 1068 transitions. [2019-10-15 01:20:06,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:20:06,489 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2019-10-15 01:20:06,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:06,494 INFO L225 Difference]: With dead ends: 853 [2019-10-15 01:20:06,494 INFO L226 Difference]: Without dead ends: 572 [2019-10-15 01:20:06,496 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:20:06,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2019-10-15 01:20:06,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 566. [2019-10-15 01:20:06,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 566 states. [2019-10-15 01:20:06,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 696 transitions. [2019-10-15 01:20:06,563 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 696 transitions. Word has length 62 [2019-10-15 01:20:06,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:06,563 INFO L462 AbstractCegarLoop]: Abstraction has 566 states and 696 transitions. [2019-10-15 01:20:06,564 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:20:06,564 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 696 transitions. [2019-10-15 01:20:06,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-10-15 01:20:06,567 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:06,567 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:06,568 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:06,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:06,568 INFO L82 PathProgramCache]: Analyzing trace with hash 563759321, now seen corresponding path program 1 times [2019-10-15 01:20:06,568 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:06,569 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628515674] [2019-10-15 01:20:06,569 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:06,569 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:06,569 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:06,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:06,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:06,684 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628515674] [2019-10-15 01:20:06,684 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:06,684 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:20:06,684 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306382788] [2019-10-15 01:20:06,685 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:20:06,685 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:06,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:20:06,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:20:06,686 INFO L87 Difference]: Start difference. First operand 566 states and 696 transitions. Second operand 7 states. [2019-10-15 01:20:07,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:07,365 INFO L93 Difference]: Finished difference Result 1463 states and 1926 transitions. [2019-10-15 01:20:07,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 01:20:07,366 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2019-10-15 01:20:07,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:07,371 INFO L225 Difference]: With dead ends: 1463 [2019-10-15 01:20:07,372 INFO L226 Difference]: Without dead ends: 925 [2019-10-15 01:20:07,375 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 01:20:07,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2019-10-15 01:20:07,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 827. [2019-10-15 01:20:07,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 827 states. [2019-10-15 01:20:07,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 1007 transitions. [2019-10-15 01:20:07,455 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 1007 transitions. Word has length 66 [2019-10-15 01:20:07,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:07,456 INFO L462 AbstractCegarLoop]: Abstraction has 827 states and 1007 transitions. [2019-10-15 01:20:07,456 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:20:07,456 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1007 transitions. [2019-10-15 01:20:07,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-10-15 01:20:07,458 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:07,459 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:20:07,459 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:07,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:07,459 INFO L82 PathProgramCache]: Analyzing trace with hash -1340944239, now seen corresponding path program 1 times [2019-10-15 01:20:07,459 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:07,460 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050890841] [2019-10-15 01:20:07,460 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:07,460 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:07,460 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:07,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:07,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:07,558 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050890841] [2019-10-15 01:20:07,559 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:07,559 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:20:07,560 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317670496] [2019-10-15 01:20:07,561 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:20:07,561 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:07,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:20:07,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:20:07,562 INFO L87 Difference]: Start difference. First operand 827 states and 1007 transitions. Second operand 6 states. [2019-10-15 01:20:07,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:07,619 INFO L93 Difference]: Finished difference Result 1646 states and 2044 transitions. [2019-10-15 01:20:07,620 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:20:07,620 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 94 [2019-10-15 01:20:07,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:07,626 INFO L225 Difference]: With dead ends: 1646 [2019-10-15 01:20:07,627 INFO L226 Difference]: Without dead ends: 847 [2019-10-15 01:20:07,629 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 01:20:07,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 847 states. [2019-10-15 01:20:07,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 847 to 847. [2019-10-15 01:20:07,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 847 states. [2019-10-15 01:20:07,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 847 states and 1027 transitions. [2019-10-15 01:20:07,677 INFO L78 Accepts]: Start accepts. Automaton has 847 states and 1027 transitions. Word has length 94 [2019-10-15 01:20:07,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:07,678 INFO L462 AbstractCegarLoop]: Abstraction has 847 states and 1027 transitions. [2019-10-15 01:20:07,678 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:20:07,678 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1027 transitions. [2019-10-15 01:20:07,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-10-15 01:20:07,681 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:07,681 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:20:07,681 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:07,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:07,682 INFO L82 PathProgramCache]: Analyzing trace with hash -1413330797, now seen corresponding path program 1 times [2019-10-15 01:20:07,682 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:07,682 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002923668] [2019-10-15 01:20:07,683 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:07,683 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:07,683 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:07,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:07,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:07,793 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002923668] [2019-10-15 01:20:07,793 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:07,793 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 01:20:07,794 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755962612] [2019-10-15 01:20:07,794 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:20:07,794 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:07,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:20:07,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:20:07,795 INFO L87 Difference]: Start difference. First operand 847 states and 1027 transitions. Second operand 8 states. [2019-10-15 01:20:07,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:07,856 INFO L93 Difference]: Finished difference Result 1694 states and 2130 transitions. [2019-10-15 01:20:07,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:20:07,857 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 94 [2019-10-15 01:20:07,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:07,862 INFO L225 Difference]: With dead ends: 1694 [2019-10-15 01:20:07,862 INFO L226 Difference]: Without dead ends: 875 [2019-10-15 01:20:07,865 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 01:20:07,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 875 states. [2019-10-15 01:20:07,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 875 to 863. [2019-10-15 01:20:07,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 863 states. [2019-10-15 01:20:07,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 863 states and 1043 transitions. [2019-10-15 01:20:07,909 INFO L78 Accepts]: Start accepts. Automaton has 863 states and 1043 transitions. Word has length 94 [2019-10-15 01:20:07,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:07,910 INFO L462 AbstractCegarLoop]: Abstraction has 863 states and 1043 transitions. [2019-10-15 01:20:07,910 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:20:07,910 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 1043 transitions. [2019-10-15 01:20:07,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-10-15 01:20:07,912 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:07,912 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:20:07,912 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:07,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:07,913 INFO L82 PathProgramCache]: Analyzing trace with hash -1083565036, now seen corresponding path program 1 times [2019-10-15 01:20:07,913 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:07,913 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142858571] [2019-10-15 01:20:07,913 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:07,914 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:07,914 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:07,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:08,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:08,021 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142858571] [2019-10-15 01:20:08,021 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:08,022 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:20:08,022 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128285690] [2019-10-15 01:20:08,023 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:20:08,023 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:08,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:20:08,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:20:08,025 INFO L87 Difference]: Start difference. First operand 863 states and 1043 transitions. Second operand 4 states. [2019-10-15 01:20:08,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:08,321 INFO L93 Difference]: Finished difference Result 2789 states and 3534 transitions. [2019-10-15 01:20:08,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 01:20:08,322 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 94 [2019-10-15 01:20:08,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:08,334 INFO L225 Difference]: With dead ends: 2789 [2019-10-15 01:20:08,334 INFO L226 Difference]: Without dead ends: 1954 [2019-10-15 01:20:08,338 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 01:20:08,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1954 states. [2019-10-15 01:20:08,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1954 to 1923. [2019-10-15 01:20:08,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1923 states. [2019-10-15 01:20:08,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1923 states to 1923 states and 2383 transitions. [2019-10-15 01:20:08,454 INFO L78 Accepts]: Start accepts. Automaton has 1923 states and 2383 transitions. Word has length 94 [2019-10-15 01:20:08,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:08,455 INFO L462 AbstractCegarLoop]: Abstraction has 1923 states and 2383 transitions. [2019-10-15 01:20:08,455 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:20:08,455 INFO L276 IsEmpty]: Start isEmpty. Operand 1923 states and 2383 transitions. [2019-10-15 01:20:08,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-10-15 01:20:08,458 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:08,458 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:20:08,459 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:08,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:08,459 INFO L82 PathProgramCache]: Analyzing trace with hash -452793586, now seen corresponding path program 1 times [2019-10-15 01:20:08,459 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:08,460 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853529286] [2019-10-15 01:20:08,460 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:08,460 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:08,460 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:08,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:08,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:08,524 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853529286] [2019-10-15 01:20:08,524 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:08,524 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:20:08,525 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388047696] [2019-10-15 01:20:08,525 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:20:08,525 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:08,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:20:08,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:20:08,526 INFO L87 Difference]: Start difference. First operand 1923 states and 2383 transitions. Second operand 3 states. [2019-10-15 01:20:08,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:08,642 INFO L93 Difference]: Finished difference Result 3114 states and 3973 transitions. [2019-10-15 01:20:08,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:20:08,643 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2019-10-15 01:20:08,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:08,663 INFO L225 Difference]: With dead ends: 3114 [2019-10-15 01:20:08,663 INFO L226 Difference]: Without dead ends: 3111 [2019-10-15 01:20:08,665 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 01:20:08,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3111 states. [2019-10-15 01:20:08,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3111 to 2951. [2019-10-15 01:20:08,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2951 states. [2019-10-15 01:20:08,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2951 states to 2951 states and 3777 transitions. [2019-10-15 01:20:08,851 INFO L78 Accepts]: Start accepts. Automaton has 2951 states and 3777 transitions. Word has length 98 [2019-10-15 01:20:08,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:08,852 INFO L462 AbstractCegarLoop]: Abstraction has 2951 states and 3777 transitions. [2019-10-15 01:20:08,852 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:20:08,852 INFO L276 IsEmpty]: Start isEmpty. Operand 2951 states and 3777 transitions. [2019-10-15 01:20:08,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-10-15 01:20:08,866 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:08,866 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-15 01:20:08,866 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:08,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:08,867 INFO L82 PathProgramCache]: Analyzing trace with hash 64107295, now seen corresponding path program 1 times [2019-10-15 01:20:08,867 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:08,867 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423444766] [2019-10-15 01:20:08,868 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:08,868 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:08,868 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:08,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:09,020 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-10-15 01:20:09,021 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423444766] [2019-10-15 01:20:09,021 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1931300699] [2019-10-15 01:20:09,021 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 01:20:09,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:09,250 INFO L256 TraceCheckSpWp]: Trace formula consists of 987 conjuncts, 18 conjunts are in the unsatisfiable core [2019-10-15 01:20:09,272 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:20:09,499 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 52 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-15 01:20:09,500 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:20:09,834 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:20:09,857 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:20:10,073 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 28 proven. 4 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-10-15 01:20:10,073 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [1092712718] [2019-10-15 01:20:10,081 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 178 [2019-10-15 01:20:10,154 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-15 01:20:10,154 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 01:20:10,224 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-15 01:20:10,225 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 01:20:10,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:10,230 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-15 01:20:10,328 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-15 01:20:10,331 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-15 01:20:10,338 INFO L553 sIntCurrentIteration]: We unified 176 AI predicates to 176 [2019-10-15 01:20:10,339 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-15 01:20:10,339 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-15 01:20:10,340 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [13, 7, 9] total 23 [2019-10-15 01:20:10,340 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277373998] [2019-10-15 01:20:10,342 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:20:10,343 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:10,343 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-15 01:20:10,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:20:10,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:20:10,343 INFO L87 Difference]: Start difference. First operand 2951 states and 3777 transitions. Second operand 2 states. [2019-10-15 01:20:10,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:10,376 INFO L93 Difference]: Finished difference Result 2951 states and 3777 transitions. [2019-10-15 01:20:10,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:20:10,376 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 177 [2019-10-15 01:20:10,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:10,379 INFO L225 Difference]: With dead ends: 2951 [2019-10-15 01:20:10,380 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:20:10,387 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 176 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 01:20:10,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:20:10,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:20:10,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:20:10,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:20:10,389 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 177 [2019-10-15 01:20:10,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:10,389 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:20:10,389 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:20:10,390 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:20:10,390 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:20:10,596 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:20:10,601 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:20:11,173 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2019-10-15 01:20:11,174 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2019-10-15 01:20:11,174 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-10-15 01:20:11,174 INFO L443 ceAbstractionStarter]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2019-10-15 01:20:11,174 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2019-10-15 01:20:11,174 INFO L443 ceAbstractionStarter]: For program point L139(lines 116 140) no Hoare annotation was computed. [2019-10-15 01:20:11,174 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2019-10-15 01:20:11,174 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2019-10-15 01:20:11,175 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-15 01:20:11,175 INFO L443 ceAbstractionStarter]: For program point L193-1(line 193) no Hoare annotation was computed. [2019-10-15 01:20:11,175 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2019-10-15 01:20:11,175 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2019-10-15 01:20:11,175 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2019-10-15 01:20:11,175 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-10-15 01:20:11,175 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2019-10-15 01:20:11,175 INFO L443 ceAbstractionStarter]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2019-10-15 01:20:11,176 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2019-10-15 01:20:11,176 INFO L443 ceAbstractionStarter]: For program point L200(lines 173 201) no Hoare annotation was computed. [2019-10-15 01:20:11,176 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 909 915) the Hoare annotation is: true [2019-10-15 01:20:11,176 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 909 915) no Hoare annotation was computed. [2019-10-15 01:20:11,176 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 916 924) no Hoare annotation was computed. [2019-10-15 01:20:11,176 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 916 924) the Hoare annotation is: true [2019-10-15 01:20:11,177 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 916 924) no Hoare annotation was computed. [2019-10-15 01:20:11,177 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 999 1021) the Hoare annotation is: true [2019-10-15 01:20:11,177 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 999 1021) no Hoare annotation was computed. [2019-10-15 01:20:11,177 INFO L446 ceAbstractionStarter]: At program point L1011(line 1011) the Hoare annotation is: true [2019-10-15 01:20:11,178 INFO L446 ceAbstractionStarter]: At program point L1011-1(line 1011) the Hoare annotation is: true [2019-10-15 01:20:11,178 INFO L443 ceAbstractionStarter]: For program point L1009(lines 1009 1016) no Hoare annotation was computed. [2019-10-15 01:20:11,178 INFO L443 ceAbstractionStarter]: For program point L1009-1(lines 1009 1016) no Hoare annotation was computed. [2019-10-15 01:20:11,178 INFO L443 ceAbstractionStarter]: For program point L1007(line 1007) no Hoare annotation was computed. [2019-10-15 01:20:11,178 INFO L446 ceAbstractionStarter]: At program point L1006(line 1006) the Hoare annotation is: true [2019-10-15 01:20:11,178 INFO L446 ceAbstractionStarter]: At program point L1005(line 1005) the Hoare annotation is: true [2019-10-15 01:20:11,179 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 999 1021) no Hoare annotation was computed. [2019-10-15 01:20:11,179 INFO L446 ceAbstractionStarter]: At program point L1005-1(line 1005) the Hoare annotation is: true [2019-10-15 01:20:11,180 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 957 980) no Hoare annotation was computed. [2019-10-15 01:20:11,180 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 957 980) no Hoare annotation was computed. [2019-10-15 01:20:11,180 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 957 980) no Hoare annotation was computed. [2019-10-15 01:20:11,180 INFO L443 ceAbstractionStarter]: For program point L975(line 975) no Hoare annotation was computed. [2019-10-15 01:20:11,180 INFO L443 ceAbstractionStarter]: For program point L974(line 974) no Hoare annotation was computed. [2019-10-15 01:20:11,180 INFO L443 ceAbstractionStarter]: For program point L973(line 973) no Hoare annotation was computed. [2019-10-15 01:20:11,180 INFO L443 ceAbstractionStarter]: For program point L972(line 972) no Hoare annotation was computed. [2019-10-15 01:20:11,180 INFO L443 ceAbstractionStarter]: For program point L971(line 971) no Hoare annotation was computed. [2019-10-15 01:20:11,181 INFO L443 ceAbstractionStarter]: For program point L970(line 970) no Hoare annotation was computed. [2019-10-15 01:20:11,181 INFO L443 ceAbstractionStarter]: For program point L969(line 969) no Hoare annotation was computed. [2019-10-15 01:20:11,181 INFO L443 ceAbstractionStarter]: For program point L968(line 968) no Hoare annotation was computed. [2019-10-15 01:20:11,181 INFO L443 ceAbstractionStarter]: For program point L967(line 967) no Hoare annotation was computed. [2019-10-15 01:20:11,181 INFO L443 ceAbstractionStarter]: For program point L966(line 966) no Hoare annotation was computed. [2019-10-15 01:20:11,181 INFO L443 ceAbstractionStarter]: For program point L965(line 965) no Hoare annotation was computed. [2019-10-15 01:20:11,181 INFO L443 ceAbstractionStarter]: For program point L964(line 964) no Hoare annotation was computed. [2019-10-15 01:20:11,181 INFO L443 ceAbstractionStarter]: For program point L963(line 963) no Hoare annotation was computed. [2019-10-15 01:20:11,181 INFO L443 ceAbstractionStarter]: For program point L962(line 962) no Hoare annotation was computed. [2019-10-15 01:20:11,182 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 794 808) no Hoare annotation was computed. [2019-10-15 01:20:11,182 INFO L446 ceAbstractionStarter]: At program point L800(line 800) the Hoare annotation is: true [2019-10-15 01:20:11,182 INFO L443 ceAbstractionStarter]: For program point L798(lines 798 804) no Hoare annotation was computed. [2019-10-15 01:20:11,182 INFO L446 ceAbstractionStarter]: At program point stopSystemENTRY(lines 794 808) the Hoare annotation is: true [2019-10-15 01:20:11,182 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 794 808) no Hoare annotation was computed. [2019-10-15 01:20:11,182 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 711 719) no Hoare annotation was computed. [2019-10-15 01:20:11,182 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 711 719) the Hoare annotation is: true [2019-10-15 01:20:11,183 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 711 719) no Hoare annotation was computed. [2019-10-15 01:20:11,183 INFO L443 ceAbstractionStarter]: For program point L784(lines 784 788) no Hoare annotation was computed. [2019-10-15 01:20:11,183 INFO L446 ceAbstractionStarter]: At program point L782(line 782) the Hoare annotation is: true [2019-10-15 01:20:11,183 INFO L443 ceAbstractionStarter]: For program point L784-2(lines 784 788) no Hoare annotation was computed. [2019-10-15 01:20:11,183 INFO L443 ceAbstractionStarter]: For program point L782-1(line 782) no Hoare annotation was computed. [2019-10-15 01:20:11,183 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 775 793) the Hoare annotation is: true [2019-10-15 01:20:11,183 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 775 793) no Hoare annotation was computed. [2019-10-15 01:20:11,184 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 775 793) no Hoare annotation was computed. [2019-10-15 01:20:11,184 INFO L443 ceAbstractionStarter]: For program point L739-2(lines 739 747) no Hoare annotation was computed. [2019-10-15 01:20:11,184 INFO L443 ceAbstractionStarter]: For program point L727(lines 727 735) no Hoare annotation was computed. [2019-10-15 01:20:11,184 INFO L443 ceAbstractionStarter]: For program point L727-2(lines 727 735) no Hoare annotation was computed. [2019-10-15 01:20:11,184 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 720 755) no Hoare annotation was computed. [2019-10-15 01:20:11,184 INFO L443 ceAbstractionStarter]: For program point L750(line 750) no Hoare annotation was computed. [2019-10-15 01:20:11,184 INFO L443 ceAbstractionStarter]: For program point L750-1(line 750) no Hoare annotation was computed. [2019-10-15 01:20:11,185 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 720 755) no Hoare annotation was computed. [2019-10-15 01:20:11,185 INFO L443 ceAbstractionStarter]: For program point L739(lines 739 747) no Hoare annotation was computed. [2019-10-15 01:20:11,185 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 720 755) no Hoare annotation was computed. [2019-10-15 01:20:11,185 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 902 908) no Hoare annotation was computed. [2019-10-15 01:20:11,185 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 902 908) the Hoare annotation is: true [2019-10-15 01:20:11,185 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2019-10-15 01:20:11,185 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2019-10-15 01:20:11,186 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2019-10-15 01:20:11,186 INFO L443 ceAbstractionStarter]: For program point L379(lines 379 386) no Hoare annotation was computed. [2019-10-15 01:20:11,186 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2019-10-15 01:20:11,186 INFO L443 ceAbstractionStarter]: For program point L373(lines 373 393) no Hoare annotation was computed. [2019-10-15 01:20:11,186 INFO L443 ceAbstractionStarter]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2019-10-15 01:20:11,186 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2019-10-15 01:20:11,187 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2019-10-15 01:20:11,187 INFO L446 ceAbstractionStarter]: At program point L993(line 993) the Hoare annotation is: true [2019-10-15 01:20:11,188 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 988 998) the Hoare annotation is: true [2019-10-15 01:20:11,188 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 988 998) no Hoare annotation was computed. [2019-10-15 01:20:11,188 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 988 998) no Hoare annotation was computed. [2019-10-15 01:20:11,188 INFO L446 ceAbstractionStarter]: At program point L705(line 705) the Hoare annotation is: true [2019-10-15 01:20:11,188 INFO L443 ceAbstractionStarter]: For program point L705-1(line 705) no Hoare annotation was computed. [2019-10-15 01:20:11,188 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 700 710) the Hoare annotation is: true [2019-10-15 01:20:11,188 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 700 710) no Hoare annotation was computed. [2019-10-15 01:20:11,189 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 700 710) no Hoare annotation was computed. [2019-10-15 01:20:11,189 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 692 699) the Hoare annotation is: true [2019-10-15 01:20:11,189 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 692 699) no Hoare annotation was computed. [2019-10-15 01:20:11,189 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 692 699) no Hoare annotation was computed. [2019-10-15 01:20:11,189 INFO L443 ceAbstractionStarter]: For program point L506(lines 506 512) no Hoare annotation was computed. [2019-10-15 01:20:11,189 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 502 515) no Hoare annotation was computed. [2019-10-15 01:20:11,189 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 502 515) the Hoare annotation is: true [2019-10-15 01:20:11,190 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 502 515) no Hoare annotation was computed. [2019-10-15 01:20:11,190 INFO L446 ceAbstractionStarter]: At program point L673(line 673) the Hoare annotation is: true [2019-10-15 01:20:11,190 INFO L446 ceAbstractionStarter]: At program point L669(line 669) the Hoare annotation is: true [2019-10-15 01:20:11,190 INFO L443 ceAbstractionStarter]: For program point L667(lines 667 675) no Hoare annotation was computed. [2019-10-15 01:20:11,190 INFO L446 ceAbstractionStarter]: At program point L665(line 665) the Hoare annotation is: true [2019-10-15 01:20:11,190 INFO L443 ceAbstractionStarter]: For program point L665-1(line 665) no Hoare annotation was computed. [2019-10-15 01:20:11,190 INFO L443 ceAbstractionStarter]: For program point L663(lines 663 680) no Hoare annotation was computed. [2019-10-15 01:20:11,191 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 659 683) no Hoare annotation was computed. [2019-10-15 01:20:11,191 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 659 683) the Hoare annotation is: true [2019-10-15 01:20:11,191 INFO L446 ceAbstractionStarter]: At program point L678(line 678) the Hoare annotation is: true [2019-10-15 01:20:11,191 INFO L443 ceAbstractionStarter]: For program point L678-1(lines 659 683) no Hoare annotation was computed. [2019-10-15 01:20:11,192 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 599 605) no Hoare annotation was computed. [2019-10-15 01:20:11,192 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 599 605) the Hoare annotation is: true [2019-10-15 01:20:11,192 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 819 886) the Hoare annotation is: true [2019-10-15 01:20:11,192 INFO L443 ceAbstractionStarter]: For program point L830(lines 829 878) no Hoare annotation was computed. [2019-10-15 01:20:11,192 INFO L446 ceAbstractionStarter]: At program point L861(line 861) the Hoare annotation is: true [2019-10-15 01:20:11,192 INFO L443 ceAbstractionStarter]: For program point L859(lines 859 874) no Hoare annotation was computed. [2019-10-15 01:20:11,193 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 819 886) no Hoare annotation was computed. [2019-10-15 01:20:11,193 INFO L446 ceAbstractionStarter]: At program point L851(line 851) the Hoare annotation is: true [2019-10-15 01:20:11,193 INFO L443 ceAbstractionStarter]: For program point L849(lines 849 855) no Hoare annotation was computed. [2019-10-15 01:20:11,193 INFO L443 ceAbstractionStarter]: For program point L849-1(lines 849 855) no Hoare annotation was computed. [2019-10-15 01:20:11,193 INFO L446 ceAbstractionStarter]: At program point L876(lines 829 878) the Hoare annotation is: true [2019-10-15 01:20:11,193 INFO L446 ceAbstractionStarter]: At program point L841(line 841) the Hoare annotation is: true [2019-10-15 01:20:11,193 INFO L443 ceAbstractionStarter]: For program point L839(lines 839 845) no Hoare annotation was computed. [2019-10-15 01:20:11,193 INFO L443 ceAbstractionStarter]: For program point L839-1(lines 839 845) no Hoare annotation was computed. [2019-10-15 01:20:11,194 INFO L443 ceAbstractionStarter]: For program point L831(lines 831 835) no Hoare annotation was computed. [2019-10-15 01:20:11,194 INFO L446 ceAbstractionStarter]: At program point L879(lines 828 880) the Hoare annotation is: true [2019-10-15 01:20:11,194 INFO L446 ceAbstractionStarter]: At program point L869(line 869) the Hoare annotation is: true [2019-10-15 01:20:11,194 INFO L443 ceAbstractionStarter]: For program point L867(lines 867 873) no Hoare annotation was computed. [2019-10-15 01:20:11,194 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 819 886) no Hoare annotation was computed. [2019-10-15 01:20:11,194 INFO L446 ceAbstractionStarter]: At program point L867-1(lines 859 874) the Hoare annotation is: true [2019-10-15 01:20:11,194 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2019-10-15 01:20:11,194 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2019-10-15 01:20:11,194 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2019-10-15 01:20:11,195 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 340) no Hoare annotation was computed. [2019-10-15 01:20:11,195 INFO L443 ceAbstractionStarter]: For program point L327(lines 327 347) no Hoare annotation was computed. [2019-10-15 01:20:11,195 INFO L443 ceAbstractionStarter]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2019-10-15 01:20:11,195 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 516 524) no Hoare annotation was computed. [2019-10-15 01:20:11,195 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 516 524) the Hoare annotation is: true [2019-10-15 01:20:11,195 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 516 524) no Hoare annotation was computed. [2019-10-15 01:20:11,195 INFO L443 ceAbstractionStarter]: For program point L546-1(line 546) no Hoare annotation was computed. [2019-10-15 01:20:11,195 INFO L443 ceAbstractionStarter]: For program point L544(lines 544 561) no Hoare annotation was computed. [2019-10-15 01:20:11,196 INFO L443 ceAbstractionStarter]: For program point L544-1(lines 536 564) no Hoare annotation was computed. [2019-10-15 01:20:11,196 INFO L446 ceAbstractionStarter]: At program point L542(line 542) the Hoare annotation is: true [2019-10-15 01:20:11,196 INFO L443 ceAbstractionStarter]: For program point L542-1(line 542) no Hoare annotation was computed. [2019-10-15 01:20:11,196 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 536 564) the Hoare annotation is: true [2019-10-15 01:20:11,196 INFO L446 ceAbstractionStarter]: At program point L551(line 551) the Hoare annotation is: true [2019-10-15 01:20:11,196 INFO L443 ceAbstractionStarter]: For program point L549(lines 549 555) no Hoare annotation was computed. [2019-10-15 01:20:11,196 INFO L443 ceAbstractionStarter]: For program point L548(lines 548 558) no Hoare annotation was computed. [2019-10-15 01:20:11,196 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 536 564) no Hoare annotation was computed. [2019-10-15 01:20:11,197 INFO L446 ceAbstractionStarter]: At program point L546(line 546) the Hoare annotation is: true [2019-10-15 01:20:11,197 INFO L443 ceAbstractionStarter]: For program point L478(lines 478 486) no Hoare annotation was computed. [2019-10-15 01:20:11,197 INFO L443 ceAbstractionStarter]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2019-10-15 01:20:11,197 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 470 492) no Hoare annotation was computed. [2019-10-15 01:20:11,197 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 470 492) no Hoare annotation was computed. [2019-10-15 01:20:11,197 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 470 492) no Hoare annotation was computed. [2019-10-15 01:20:11,197 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 528 535) the Hoare annotation is: true [2019-10-15 01:20:11,197 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 528 535) no Hoare annotation was computed. [2019-10-15 01:20:11,198 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 528 535) no Hoare annotation was computed. [2019-10-15 01:20:11,198 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 297) no Hoare annotation was computed. [2019-10-15 01:20:11,198 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2019-10-15 01:20:11,198 INFO L443 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2019-10-15 01:20:11,198 INFO L443 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2019-10-15 01:20:11,198 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2019-10-15 01:20:11,199 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 309) no Hoare annotation was computed. [2019-10-15 01:20:11,199 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2019-10-15 01:20:11,199 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 265) no Hoare annotation was computed. [2019-10-15 01:20:11,199 INFO L443 ceAbstractionStarter]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2019-10-15 01:20:11,199 INFO L443 ceAbstractionStarter]: For program point L280(lines 258 281) no Hoare annotation was computed. [2019-10-15 01:20:11,199 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2019-10-15 01:20:11,199 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 255) no Hoare annotation was computed. [2019-10-15 01:20:11,200 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 306) no Hoare annotation was computed. [2019-10-15 01:20:11,200 INFO L443 ceAbstractionStarter]: For program point L260(lines 259 279) no Hoare annotation was computed. [2019-10-15 01:20:11,200 INFO L443 ceAbstractionStarter]: For program point L291(line 291) no Hoare annotation was computed. [2019-10-15 01:20:11,200 INFO L443 ceAbstractionStarter]: For program point L291-1(line 291) no Hoare annotation was computed. [2019-10-15 01:20:11,200 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 892 901) no Hoare annotation was computed. [2019-10-15 01:20:11,200 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 892 901) no Hoare annotation was computed. [2019-10-15 01:20:11,200 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 892 901) no Hoare annotation was computed. [2019-10-15 01:20:11,200 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:11,201 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-15 01:20:11,201 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:11,201 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 684 691) no Hoare annotation was computed. [2019-10-15 01:20:11,202 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 684 691) no Hoare annotation was computed. [2019-10-15 01:20:11,202 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 684 691) the Hoare annotation is: true [2019-10-15 01:20:11,202 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 493 501) no Hoare annotation was computed. [2019-10-15 01:20:11,202 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 493 501) no Hoare annotation was computed. [2019-10-15 01:20:11,202 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 493 501) no Hoare annotation was computed. [2019-10-15 01:20:11,202 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 756 774) no Hoare annotation was computed. [2019-10-15 01:20:11,202 INFO L443 ceAbstractionStarter]: For program point L765(lines 765 769) no Hoare annotation was computed. [2019-10-15 01:20:11,203 INFO L446 ceAbstractionStarter]: At program point L763(line 763) the Hoare annotation is: true [2019-10-15 01:20:11,203 INFO L443 ceAbstractionStarter]: For program point L765-2(lines 765 769) no Hoare annotation was computed. [2019-10-15 01:20:11,203 INFO L443 ceAbstractionStarter]: For program point L763-1(line 763) no Hoare annotation was computed. [2019-10-15 01:20:11,203 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 756 774) the Hoare annotation is: true [2019-10-15 01:20:11,203 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 756 774) no Hoare annotation was computed. [2019-10-15 01:20:11,203 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:11,204 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 01:20:11,204 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:11,204 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 449 460) the Hoare annotation is: true [2019-10-15 01:20:11,204 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 449 460) no Hoare annotation was computed. [2019-10-15 01:20:11,204 INFO L443 ceAbstractionStarter]: For program point L453-1(lines 449 460) no Hoare annotation was computed. [2019-10-15 01:20:11,204 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 461 469) the Hoare annotation is: true [2019-10-15 01:20:11,204 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 461 469) no Hoare annotation was computed. [2019-10-15 01:20:11,204 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 461 469) no Hoare annotation was computed. [2019-10-15 01:20:11,204 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 575 598) the Hoare annotation is: true [2019-10-15 01:20:11,205 INFO L446 ceAbstractionStarter]: At program point L588(line 588) the Hoare annotation is: true [2019-10-15 01:20:11,205 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 575 598) no Hoare annotation was computed. [2019-10-15 01:20:11,205 INFO L446 ceAbstractionStarter]: At program point L586(lines 586 592) the Hoare annotation is: true [2019-10-15 01:20:11,205 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 575 598) no Hoare annotation was computed. [2019-10-15 01:20:11,206 INFO L446 ceAbstractionStarter]: At program point L581(line 581) the Hoare annotation is: true [2019-10-15 01:20:11,206 INFO L443 ceAbstractionStarter]: For program point L579(lines 578 597) no Hoare annotation was computed. [2019-10-15 01:20:11,206 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 927 956) no Hoare annotation was computed. [2019-10-15 01:20:11,206 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 927 956) the Hoare annotation is: true [2019-10-15 01:20:11,206 INFO L446 ceAbstractionStarter]: At program point L952(lines 927 956) the Hoare annotation is: true [2019-10-15 01:20:11,206 INFO L443 ceAbstractionStarter]: For program point L948(line 948) no Hoare annotation was computed. [2019-10-15 01:20:11,206 INFO L443 ceAbstractionStarter]: For program point L941(lines 941 945) no Hoare annotation was computed. [2019-10-15 01:20:11,206 INFO L446 ceAbstractionStarter]: At program point L941-1(lines 941 945) the Hoare annotation is: true [2019-10-15 01:20:11,207 INFO L443 ceAbstractionStarter]: For program point L938(line 938) no Hoare annotation was computed. [2019-10-15 01:20:11,207 INFO L446 ceAbstractionStarter]: At program point L937-2(lines 937 951) the Hoare annotation is: true [2019-10-15 01:20:11,207 INFO L446 ceAbstractionStarter]: At program point L933(line 933) the Hoare annotation is: true [2019-10-15 01:20:11,207 INFO L443 ceAbstractionStarter]: For program point L933-1(line 933) no Hoare annotation was computed. [2019-10-15 01:20:11,207 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 425 436) the Hoare annotation is: true [2019-10-15 01:20:11,207 INFO L443 ceAbstractionStarter]: For program point L429-1(lines 425 436) no Hoare annotation was computed. [2019-10-15 01:20:11,207 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 425 436) no Hoare annotation was computed. [2019-10-15 01:20:11,207 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 981 987) no Hoare annotation was computed. [2019-10-15 01:20:11,208 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 981 987) the Hoare annotation is: true [2019-10-15 01:20:11,208 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:11,208 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-15 01:20:11,208 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:20:11,208 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:11,208 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 809 816) no Hoare annotation was computed. [2019-10-15 01:20:11,208 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 809 816) the Hoare annotation is: true [2019-10-15 01:20:11,208 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 809 816) no Hoare annotation was computed. [2019-10-15 01:20:11,208 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 607 631) the Hoare annotation is: true [2019-10-15 01:20:11,209 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 607 631) no Hoare annotation was computed. [2019-10-15 01:20:11,209 INFO L446 ceAbstractionStarter]: At program point L626(line 626) the Hoare annotation is: true [2019-10-15 01:20:11,209 INFO L443 ceAbstractionStarter]: For program point L626-1(lines 607 631) no Hoare annotation was computed. [2019-10-15 01:20:11,209 INFO L446 ceAbstractionStarter]: At program point L621(line 621) the Hoare annotation is: true [2019-10-15 01:20:11,209 INFO L446 ceAbstractionStarter]: At program point L617(line 617) the Hoare annotation is: true [2019-10-15 01:20:11,209 INFO L443 ceAbstractionStarter]: For program point L615(lines 615 623) no Hoare annotation was computed. [2019-10-15 01:20:11,209 INFO L446 ceAbstractionStarter]: At program point L613(line 613) the Hoare annotation is: true [2019-10-15 01:20:11,209 INFO L443 ceAbstractionStarter]: For program point L613-1(line 613) no Hoare annotation was computed. [2019-10-15 01:20:11,209 INFO L443 ceAbstractionStarter]: For program point L611(lines 611 628) no Hoare annotation was computed. [2019-10-15 01:20:11,210 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 437 448) no Hoare annotation was computed. [2019-10-15 01:20:11,210 INFO L443 ceAbstractionStarter]: For program point L441-1(lines 437 448) no Hoare annotation was computed. [2019-10-15 01:20:11,210 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 437 448) the Hoare annotation is: true [2019-10-15 01:20:11,210 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 406 413) no Hoare annotation was computed. [2019-10-15 01:20:11,210 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 406 413) the Hoare annotation is: true [2019-10-15 01:20:11,210 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2019-10-15 01:20:11,210 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 406 413) no Hoare annotation was computed. [2019-10-15 01:20:11,210 INFO L443 ceAbstractionStarter]: For program point L641(lines 641 649) no Hoare annotation was computed. [2019-10-15 01:20:11,211 INFO L446 ceAbstractionStarter]: At program point L639(line 639) the Hoare annotation is: true [2019-10-15 01:20:11,211 INFO L443 ceAbstractionStarter]: For program point L639-1(line 639) no Hoare annotation was computed. [2019-10-15 01:20:11,211 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 633 657) no Hoare annotation was computed. [2019-10-15 01:20:11,211 INFO L443 ceAbstractionStarter]: For program point L637(lines 637 654) no Hoare annotation was computed. [2019-10-15 01:20:11,213 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 633 657) the Hoare annotation is: true [2019-10-15 01:20:11,213 INFO L446 ceAbstractionStarter]: At program point L652(line 652) the Hoare annotation is: true [2019-10-15 01:20:11,213 INFO L443 ceAbstractionStarter]: For program point L652-1(lines 633 657) no Hoare annotation was computed. [2019-10-15 01:20:11,213 INFO L446 ceAbstractionStarter]: At program point L647(line 647) the Hoare annotation is: true [2019-10-15 01:20:11,213 INFO L446 ceAbstractionStarter]: At program point L643(line 643) the Hoare annotation is: true [2019-10-15 01:20:11,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:20:11 BoogieIcfgContainer [2019-10-15 01:20:11,223 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:20:11,226 INFO L168 Benchmark]: Toolchain (without parser) took 8675.59 ms. Allocated memory was 146.8 MB in the beginning and 379.1 MB in the end (delta: 232.3 MB). Free memory was 104.3 MB in the beginning and 153.7 MB in the end (delta: -49.4 MB). Peak memory consumption was 182.9 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:11,226 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 146.8 MB. Free memory is still 122.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-15 01:20:11,227 INFO L168 Benchmark]: CACSL2BoogieTranslator took 667.62 ms. Allocated memory was 146.8 MB in the beginning and 204.5 MB in the end (delta: 57.7 MB). Free memory was 103.9 MB in the beginning and 169.5 MB in the end (delta: -65.5 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:11,228 INFO L168 Benchmark]: Boogie Preprocessor took 111.25 ms. Allocated memory is still 204.5 MB. Free memory was 169.5 MB in the beginning and 165.6 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:11,233 INFO L168 Benchmark]: RCFGBuilder took 1150.88 ms. Allocated memory was 204.5 MB in the beginning and 235.4 MB in the end (delta: 30.9 MB). Free memory was 164.6 MB in the beginning and 187.9 MB in the end (delta: -23.3 MB). Peak memory consumption was 77.3 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:11,234 INFO L168 Benchmark]: TraceAbstraction took 6741.53 ms. Allocated memory was 235.4 MB in the beginning and 379.1 MB in the end (delta: 143.7 MB). Free memory was 186.3 MB in the beginning and 153.7 MB in the end (delta: 32.6 MB). Peak memory consumption was 176.2 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:11,243 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 146.8 MB. Free memory is still 122.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 667.62 ms. Allocated memory was 146.8 MB in the beginning and 204.5 MB in the end (delta: 57.7 MB). Free memory was 103.9 MB in the beginning and 169.5 MB in the end (delta: -65.5 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 111.25 ms. Allocated memory is still 204.5 MB. Free memory was 169.5 MB in the beginning and 165.6 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1150.88 ms. Allocated memory was 204.5 MB in the beginning and 235.4 MB in the end (delta: 30.9 MB). Free memory was 164.6 MB in the beginning and 187.9 MB in the end (delta: -23.3 MB). Peak memory consumption was 77.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6741.53 ms. Allocated memory was 235.4 MB in the beginning and 379.1 MB in the end (delta: 143.7 MB). Free memory was 186.3 MB in the beginning and 153.7 MB in the end (delta: 32.6 MB). Peak memory consumption was 176.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 410]: 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: 828]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 260 locations, 1 error locations. Result: SAFE, OverallTime: 6.6s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, HoareTripleCheckerStatistics: 1813 SDtfs, 1101 SDslu, 3923 SDs, 0 SdLazy, 1066 SolverSat, 203 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 256 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2951occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 319 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 2942 PreInvPairs, 2943 NumberOfFragments, 74 HoareAnnotationTreeSize, 2942 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 72 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1022 NumberOfCodeBlocks, 1022 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1187 ConstructedInterpolants, 0 QuantifiedInterpolants, 256849 SizeOfPredicates, 4 NumberOfNonLiveVariables, 987 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 182/195 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 149, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.8068181818181818, 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...