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_spec4_product54.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:22:04,180 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:22:04,183 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:22:04,195 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:22:04,196 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:22:04,197 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:22:04,198 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:22:04,200 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:22:04,202 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:22:04,206 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:22:04,209 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:22:04,210 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:22:04,210 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:22:04,213 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:22:04,214 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:22:04,215 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:22:04,216 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:22:04,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:22:04,222 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:22:04,225 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:22:04,229 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:22:04,232 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:22:04,235 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:22:04,236 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:22:04,239 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:22:04,239 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:22:04,240 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:22:04,241 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:22:04,243 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:22:04,244 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:22:04,245 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:22:04,245 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:22:04,246 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:22:04,247 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:22:04,249 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:22:04,249 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:22:04,250 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:22:04,250 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:22:04,250 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:22:04,251 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:22:04,252 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:22:04,254 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 21:22:04,274 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:22:04,275 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:22:04,277 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:22:04,277 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:22:04,277 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:22:04,278 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:22:04,278 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:22:04,278 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:22:04,278 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:22:04,278 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:22:04,279 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:22:04,280 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:22:04,280 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:22:04,280 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:22:04,281 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:22:04,281 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:22:04,281 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:22:04,281 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:22:04,281 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:22:04,282 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:22:04,282 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:22:04,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:22:04,282 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:22:04,282 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:22:04,283 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:22:04,283 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:22:04,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:22:04,283 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:22:04,283 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 21:22:04,568 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:22:04,582 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:22:04,586 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:22:04,587 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:22:04,587 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:22:04,588 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product54.cil.c [2019-10-13 21:22:04,659 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e46900df7/00834aaea3f44c56967aae2e5c2d1532/FLAG7699b9efa [2019-10-13 21:22:05,269 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:22:05,270 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product54.cil.c [2019-10-13 21:22:05,286 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e46900df7/00834aaea3f44c56967aae2e5c2d1532/FLAG7699b9efa [2019-10-13 21:22:05,612 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e46900df7/00834aaea3f44c56967aae2e5c2d1532 [2019-10-13 21:22:05,622 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:22:05,624 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:22:05,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:22:05,625 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:22:05,628 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:22:05,629 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:05" (1/1) ... [2019-10-13 21:22:05,632 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2af0630d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:05, skipping insertion in model container [2019-10-13 21:22:05,632 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:05" (1/1) ... [2019-10-13 21:22:05,639 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:22:05,701 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:22:06,155 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:06,180 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:22:06,264 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:06,301 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:22:06,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:06 WrapperNode [2019-10-13 21:22:06,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:22:06,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:22:06,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:22:06,303 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:22:06,318 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:06" (1/1) ... [2019-10-13 21:22:06,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:06" (1/1) ... [2019-10-13 21:22:06,338 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:06" (1/1) ... [2019-10-13 21:22:06,338 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:06" (1/1) ... [2019-10-13 21:22:06,369 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:06" (1/1) ... [2019-10-13 21:22:06,383 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:06" (1/1) ... [2019-10-13 21:22:06,388 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:06" (1/1) ... [2019-10-13 21:22:06,395 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:22:06,395 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:22:06,396 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:22:06,396 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:22:06,397 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:22:06,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:22:06,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:22:06,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:06,446 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:22:06,446 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:22:06,446 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:22:06,446 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:22:06,446 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-13 21:22:06,446 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:22:06,447 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:22:06,447 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:22:06,447 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:22:06,447 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:22:06,448 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:22:06,448 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 21:22:06,448 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 21:22:06,448 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 21:22:06,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-13 21:22:06,449 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:22:06,449 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:22:06,449 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:22:06,449 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:22:06,449 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:22:06,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:06,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:06,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:06,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:22:06,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:22:06,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:22:06,451 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:22:06,451 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:22:06,451 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:22:06,451 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:22:06,451 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:22:06,452 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:22:06,452 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 21:22:06,452 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 21:22:06,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:22:06,452 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:22:06,453 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:22:06,453 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:22:06,453 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:22:06,453 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:22:06,453 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:22:06,453 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:22:06,453 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:22:06,454 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:22:06,454 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 21:22:06,454 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:22:06,454 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:22:06,454 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:22:06,454 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:22:06,454 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:22:06,454 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:22:06,455 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 21:22:06,455 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 21:22:06,455 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:22:06,455 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:22:06,455 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:22:06,455 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:22:06,455 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-13 21:22:06,455 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:22:06,455 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:22:06,456 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 21:22:06,456 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:22:06,456 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 21:22:06,456 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-13 21:22:06,456 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:22:06,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:22:06,456 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:22:06,456 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:22:06,456 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:22:06,457 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:22:06,457 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:22:06,457 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:22:06,457 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:22:06,457 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:22:06,457 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:22:06,457 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:22:06,457 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:22:06,458 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:22:06,458 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:06,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:22:06,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:22:06,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:22:06,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:22:06,459 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:06,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:22:06,459 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:06,459 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:06,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:22:06,459 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:22:06,460 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:22:06,460 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:22:06,460 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:22:06,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:22:06,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:22:06,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:22:07,532 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:22:07,533 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:22:07,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:07 BoogieIcfgContainer [2019-10-13 21:22:07,535 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:22:07,536 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:22:07,537 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:22:07,541 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:22:07,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:22:05" (1/3) ... [2019-10-13 21:22:07,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49af115a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:07, skipping insertion in model container [2019-10-13 21:22:07,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:06" (2/3) ... [2019-10-13 21:22:07,543 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49af115a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:07, skipping insertion in model container [2019-10-13 21:22:07,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:07" (3/3) ... [2019-10-13 21:22:07,547 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product54.cil.c [2019-10-13 21:22:07,557 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:22:07,567 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:22:07,579 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:22:07,607 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:22:07,607 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:22:07,607 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:22:07,607 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:22:07,607 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:22:07,608 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:22:07,608 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:22:07,608 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:22:07,633 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states. [2019-10-13 21:22:07,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 21:22:07,644 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:07,645 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] [2019-10-13 21:22:07,647 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:07,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:07,653 INFO L82 PathProgramCache]: Analyzing trace with hash 1513268006, now seen corresponding path program 1 times [2019-10-13 21:22:07,663 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:07,664 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883887750] [2019-10-13 21:22:07,664 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:07,665 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:07,665 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:07,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:08,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:22:08,059 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883887750] [2019-10-13 21:22:08,063 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:08,064 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:22:08,064 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94894925] [2019-10-13 21:22:08,070 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:22:08,073 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:08,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:22:08,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:08,099 INFO L87 Difference]: Start difference. First operand 193 states. Second operand 2 states. [2019-10-13 21:22:08,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:08,166 INFO L93 Difference]: Finished difference Result 300 states and 369 transitions. [2019-10-13 21:22:08,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:22:08,167 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-13 21:22:08,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:08,182 INFO L225 Difference]: With dead ends: 300 [2019-10-13 21:22:08,182 INFO L226 Difference]: Without dead ends: 150 [2019-10-13 21:22:08,187 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:08,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2019-10-13 21:22:08,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2019-10-13 21:22:08,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-10-13 21:22:08,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 176 transitions. [2019-10-13 21:22:08,251 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 176 transitions. Word has length 46 [2019-10-13 21:22:08,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:08,252 INFO L462 AbstractCegarLoop]: Abstraction has 150 states and 176 transitions. [2019-10-13 21:22:08,252 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:22:08,252 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 176 transitions. [2019-10-13 21:22:08,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 21:22:08,256 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:08,256 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] [2019-10-13 21:22:08,257 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:08,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:08,257 INFO L82 PathProgramCache]: Analyzing trace with hash 1135126254, now seen corresponding path program 1 times [2019-10-13 21:22:08,257 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:08,258 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393598537] [2019-10-13 21:22:08,258 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:08,258 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:08,258 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:08,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:08,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:22:08,434 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393598537] [2019-10-13 21:22:08,434 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:08,434 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:22:08,435 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233981627] [2019-10-13 21:22:08,438 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:22:08,438 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:08,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:22:08,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:22:08,439 INFO L87 Difference]: Start difference. First operand 150 states and 176 transitions. Second operand 3 states. [2019-10-13 21:22:08,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:08,489 INFO L93 Difference]: Finished difference Result 245 states and 287 transitions. [2019-10-13 21:22:08,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:22:08,493 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-13 21:22:08,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:08,496 INFO L225 Difference]: With dead ends: 245 [2019-10-13 21:22:08,496 INFO L226 Difference]: Without dead ends: 141 [2019-10-13 21:22:08,501 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:22:08,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2019-10-13 21:22:08,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2019-10-13 21:22:08,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2019-10-13 21:22:08,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 164 transitions. [2019-10-13 21:22:08,531 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 164 transitions. Word has length 47 [2019-10-13 21:22:08,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:08,532 INFO L462 AbstractCegarLoop]: Abstraction has 141 states and 164 transitions. [2019-10-13 21:22:08,532 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:22:08,532 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 164 transitions. [2019-10-13 21:22:08,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 21:22:08,534 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:08,535 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] [2019-10-13 21:22:08,535 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:08,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:08,535 INFO L82 PathProgramCache]: Analyzing trace with hash -1031816634, now seen corresponding path program 1 times [2019-10-13 21:22:08,536 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:08,536 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665336357] [2019-10-13 21:22:08,536 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:08,536 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:08,537 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:08,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:08,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:22:08,674 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665336357] [2019-10-13 21:22:08,674 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:08,674 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:22:08,674 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501652899] [2019-10-13 21:22:08,675 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:22:08,675 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:08,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:22:08,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:08,676 INFO L87 Difference]: Start difference. First operand 141 states and 164 transitions. Second operand 7 states. [2019-10-13 21:22:09,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:09,075 INFO L93 Difference]: Finished difference Result 258 states and 305 transitions. [2019-10-13 21:22:09,076 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:22:09,076 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-10-13 21:22:09,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:09,080 INFO L225 Difference]: With dead ends: 258 [2019-10-13 21:22:09,080 INFO L226 Difference]: Without dead ends: 141 [2019-10-13 21:22:09,084 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:22:09,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2019-10-13 21:22:09,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2019-10-13 21:22:09,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2019-10-13 21:22:09,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 163 transitions. [2019-10-13 21:22:09,108 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 163 transitions. Word has length 52 [2019-10-13 21:22:09,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:09,109 INFO L462 AbstractCegarLoop]: Abstraction has 141 states and 163 transitions. [2019-10-13 21:22:09,109 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:22:09,109 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 163 transitions. [2019-10-13 21:22:09,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-13 21:22:09,112 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:09,113 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] [2019-10-13 21:22:09,113 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:09,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:09,113 INFO L82 PathProgramCache]: Analyzing trace with hash 276958236, now seen corresponding path program 1 times [2019-10-13 21:22:09,114 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:09,114 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635126903] [2019-10-13 21:22:09,114 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:09,114 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:09,115 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:09,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:09,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:22:09,263 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635126903] [2019-10-13 21:22:09,263 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:09,263 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 21:22:09,263 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105251272] [2019-10-13 21:22:09,264 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:22:09,264 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:09,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:22:09,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:22:09,265 INFO L87 Difference]: Start difference. First operand 141 states and 163 transitions. Second operand 5 states. [2019-10-13 21:22:09,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:09,781 INFO L93 Difference]: Finished difference Result 365 states and 439 transitions. [2019-10-13 21:22:09,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:22:09,786 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2019-10-13 21:22:09,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:09,792 INFO L225 Difference]: With dead ends: 365 [2019-10-13 21:22:09,793 INFO L226 Difference]: Without dead ends: 248 [2019-10-13 21:22:09,794 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:22:09,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2019-10-13 21:22:09,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 229. [2019-10-13 21:22:09,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2019-10-13 21:22:09,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 258 transitions. [2019-10-13 21:22:09,842 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 258 transitions. Word has length 70 [2019-10-13 21:22:09,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:09,843 INFO L462 AbstractCegarLoop]: Abstraction has 229 states and 258 transitions. [2019-10-13 21:22:09,843 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:22:09,844 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 258 transitions. [2019-10-13 21:22:09,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-10-13 21:22:09,851 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:09,852 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] [2019-10-13 21:22:09,852 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:09,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:09,853 INFO L82 PathProgramCache]: Analyzing trace with hash -1283615481, now seen corresponding path program 1 times [2019-10-13 21:22:09,853 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:09,854 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300725441] [2019-10-13 21:22:09,854 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:09,854 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:09,855 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:09,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:10,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:22:10,075 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300725441] [2019-10-13 21:22:10,076 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:10,076 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 21:22:10,076 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531095211] [2019-10-13 21:22:10,078 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 21:22:10,078 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:10,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 21:22:10,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:22:10,081 INFO L87 Difference]: Start difference. First operand 229 states and 258 transitions. Second operand 10 states. [2019-10-13 21:22:10,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:10,800 INFO L93 Difference]: Finished difference Result 735 states and 899 transitions. [2019-10-13 21:22:10,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-13 21:22:10,801 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 84 [2019-10-13 21:22:10,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:10,807 INFO L225 Difference]: With dead ends: 735 [2019-10-13 21:22:10,807 INFO L226 Difference]: Without dead ends: 530 [2019-10-13 21:22:10,809 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-10-13 21:22:10,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2019-10-13 21:22:10,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 520. [2019-10-13 21:22:10,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 520 states. [2019-10-13 21:22:10,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 606 transitions. [2019-10-13 21:22:10,869 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 606 transitions. Word has length 84 [2019-10-13 21:22:10,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:10,870 INFO L462 AbstractCegarLoop]: Abstraction has 520 states and 606 transitions. [2019-10-13 21:22:10,870 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 21:22:10,870 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 606 transitions. [2019-10-13 21:22:10,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-10-13 21:22:10,880 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:10,880 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:10,880 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:10,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:10,881 INFO L82 PathProgramCache]: Analyzing trace with hash -836442027, now seen corresponding path program 1 times [2019-10-13 21:22:10,881 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:10,881 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717460595] [2019-10-13 21:22:10,881 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:10,881 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:10,882 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:10,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:11,004 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-13 21:22:11,005 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717460595] [2019-10-13 21:22:11,005 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1088790953] [2019-10-13 21:22:11,005 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:11,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:11,226 INFO L256 TraceCheckSpWp]: Trace formula consists of 868 conjuncts, 13 conjunts are in the unsatisfiable core [2019-10-13 21:22:11,239 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:22:11,393 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:22:11,394 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:22:11,561 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:22:11,774 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-13 21:22:11,775 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:22:11,775 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [6, 9] total 16 [2019-10-13 21:22:11,776 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878013912] [2019-10-13 21:22:11,776 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:22:11,776 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:11,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:22:11,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2019-10-13 21:22:11,777 INFO L87 Difference]: Start difference. First operand 520 states and 606 transitions. Second operand 8 states. [2019-10-13 21:22:13,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:13,139 INFO L93 Difference]: Finished difference Result 1361 states and 1748 transitions. [2019-10-13 21:22:13,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-13 21:22:13,140 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 141 [2019-10-13 21:22:13,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:13,147 INFO L225 Difference]: With dead ends: 1361 [2019-10-13 21:22:13,147 INFO L226 Difference]: Without dead ends: 976 [2019-10-13 21:22:13,150 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 271 SyntacticMatches, 5 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=330, Unknown=0, NotChecked=0, Total=420 [2019-10-13 21:22:13,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 976 states. [2019-10-13 21:22:13,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 976 to 892. [2019-10-13 21:22:13,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 892 states. [2019-10-13 21:22:13,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 892 states and 1083 transitions. [2019-10-13 21:22:13,223 INFO L78 Accepts]: Start accepts. Automaton has 892 states and 1083 transitions. Word has length 141 [2019-10-13 21:22:13,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:13,224 INFO L462 AbstractCegarLoop]: Abstraction has 892 states and 1083 transitions. [2019-10-13 21:22:13,224 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:22:13,224 INFO L276 IsEmpty]: Start isEmpty. Operand 892 states and 1083 transitions. [2019-10-13 21:22:13,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-10-13 21:22:13,227 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:13,227 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:13,432 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:13,433 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:13,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:13,434 INFO L82 PathProgramCache]: Analyzing trace with hash 974208917, now seen corresponding path program 1 times [2019-10-13 21:22:13,434 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:13,435 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617047416] [2019-10-13 21:22:13,435 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:13,436 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:13,436 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:13,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:13,518 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-13 21:22:13,519 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617047416] [2019-10-13 21:22:13,520 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1168300736] [2019-10-13 21:22:13,520 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:13,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:13,726 INFO L256 TraceCheckSpWp]: Trace formula consists of 850 conjuncts, 11 conjunts are in the unsatisfiable core [2019-10-13 21:22:13,739 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:22:13,761 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-13 21:22:13,761 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:22:14,021 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-13 21:22:14,022 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:22:14,022 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6, 6] total 6 [2019-10-13 21:22:14,022 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790742474] [2019-10-13 21:22:14,023 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:22:14,023 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:14,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:22:14,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:22:14,024 INFO L87 Difference]: Start difference. First operand 892 states and 1083 transitions. Second operand 6 states. [2019-10-13 21:22:14,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:14,130 INFO L93 Difference]: Finished difference Result 1780 states and 2210 transitions. [2019-10-13 21:22:14,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:22:14,130 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 133 [2019-10-13 21:22:14,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:14,137 INFO L225 Difference]: With dead ends: 1780 [2019-10-13 21:22:14,138 INFO L226 Difference]: Without dead ends: 912 [2019-10-13 21:22:14,141 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:14,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2019-10-13 21:22:14,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 912. [2019-10-13 21:22:14,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 912 states. [2019-10-13 21:22:14,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 912 states and 1107 transitions. [2019-10-13 21:22:14,204 INFO L78 Accepts]: Start accepts. Automaton has 912 states and 1107 transitions. Word has length 133 [2019-10-13 21:22:14,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:14,204 INFO L462 AbstractCegarLoop]: Abstraction has 912 states and 1107 transitions. [2019-10-13 21:22:14,205 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:22:14,205 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1107 transitions. [2019-10-13 21:22:14,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-10-13 21:22:14,207 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:14,207 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:14,412 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:14,413 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:14,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:14,413 INFO L82 PathProgramCache]: Analyzing trace with hash -168293549, now seen corresponding path program 1 times [2019-10-13 21:22:14,413 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:14,413 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164199110] [2019-10-13 21:22:14,414 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:14,414 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:14,414 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:14,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:14,504 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-13 21:22:14,504 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164199110] [2019-10-13 21:22:14,505 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1386748921] [2019-10-13 21:22:14,505 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:14,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:14,710 INFO L256 TraceCheckSpWp]: Trace formula consists of 851 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-13 21:22:14,714 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:22:14,770 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-13 21:22:14,770 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:22:15,121 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-13 21:22:15,122 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:22:15,122 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 5] total 11 [2019-10-13 21:22:15,122 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999695632] [2019-10-13 21:22:15,123 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:22:15,123 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:15,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:22:15,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-10-13 21:22:15,125 INFO L87 Difference]: Start difference. First operand 912 states and 1107 transitions. Second operand 5 states. [2019-10-13 21:22:15,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:15,179 INFO L93 Difference]: Finished difference Result 1661 states and 2060 transitions. [2019-10-13 21:22:15,179 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 21:22:15,180 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 133 [2019-10-13 21:22:15,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:15,185 INFO L225 Difference]: With dead ends: 1661 [2019-10-13 21:22:15,186 INFO L226 Difference]: Without dead ends: 773 [2019-10-13 21:22:15,189 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 263 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-10-13 21:22:15,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2019-10-13 21:22:15,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 773. [2019-10-13 21:22:15,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 773 states. [2019-10-13 21:22:15,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 773 states and 923 transitions. [2019-10-13 21:22:15,240 INFO L78 Accepts]: Start accepts. Automaton has 773 states and 923 transitions. Word has length 133 [2019-10-13 21:22:15,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:15,241 INFO L462 AbstractCegarLoop]: Abstraction has 773 states and 923 transitions. [2019-10-13 21:22:15,241 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:22:15,241 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 923 transitions. [2019-10-13 21:22:15,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2019-10-13 21:22:15,243 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:15,244 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:15,448 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:15,449 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:15,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:15,449 INFO L82 PathProgramCache]: Analyzing trace with hash 1514396760, now seen corresponding path program 1 times [2019-10-13 21:22:15,449 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:15,450 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961193589] [2019-10-13 21:22:15,450 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:15,450 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:15,450 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:15,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:15,598 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-13 21:22:15,599 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961193589] [2019-10-13 21:22:15,599 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:15,599 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 21:22:15,599 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372972008] [2019-10-13 21:22:15,600 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 21:22:15,600 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:15,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 21:22:15,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:22:15,601 INFO L87 Difference]: Start difference. First operand 773 states and 923 transitions. Second operand 9 states. [2019-10-13 21:22:16,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:16,479 INFO L93 Difference]: Finished difference Result 2078 states and 2539 transitions. [2019-10-13 21:22:16,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-13 21:22:16,480 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 137 [2019-10-13 21:22:16,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:16,489 INFO L225 Difference]: With dead ends: 2078 [2019-10-13 21:22:16,489 INFO L226 Difference]: Without dead ends: 1329 [2019-10-13 21:22:16,492 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2019-10-13 21:22:16,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1329 states. [2019-10-13 21:22:16,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1329 to 1326. [2019-10-13 21:22:16,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1326 states. [2019-10-13 21:22:16,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 1326 states and 1568 transitions. [2019-10-13 21:22:16,571 INFO L78 Accepts]: Start accepts. Automaton has 1326 states and 1568 transitions. Word has length 137 [2019-10-13 21:22:16,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:16,572 INFO L462 AbstractCegarLoop]: Abstraction has 1326 states and 1568 transitions. [2019-10-13 21:22:16,572 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 21:22:16,572 INFO L276 IsEmpty]: Start isEmpty. Operand 1326 states and 1568 transitions. [2019-10-13 21:22:16,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-10-13 21:22:16,575 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:16,575 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:16,576 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:16,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:16,576 INFO L82 PathProgramCache]: Analyzing trace with hash -1798563396, now seen corresponding path program 1 times [2019-10-13 21:22:16,576 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:16,576 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651482909] [2019-10-13 21:22:16,577 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:16,577 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:16,577 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:16,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:16,685 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-13 21:22:16,685 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651482909] [2019-10-13 21:22:16,685 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:16,686 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:22:16,686 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639493860] [2019-10-13 21:22:16,687 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:22:16,687 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:16,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:22:16,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:22:16,688 INFO L87 Difference]: Start difference. First operand 1326 states and 1568 transitions. Second operand 6 states. [2019-10-13 21:22:16,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:16,941 INFO L93 Difference]: Finished difference Result 1351 states and 1597 transitions. [2019-10-13 21:22:16,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:22:16,942 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 141 [2019-10-13 21:22:16,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:16,950 INFO L225 Difference]: With dead ends: 1351 [2019-10-13 21:22:16,950 INFO L226 Difference]: Without dead ends: 1348 [2019-10-13 21:22:16,952 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:22:16,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1348 states. [2019-10-13 21:22:17,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1348 to 1326. [2019-10-13 21:22:17,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1326 states. [2019-10-13 21:22:17,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 1326 states and 1560 transitions. [2019-10-13 21:22:17,033 INFO L78 Accepts]: Start accepts. Automaton has 1326 states and 1560 transitions. Word has length 141 [2019-10-13 21:22:17,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:17,034 INFO L462 AbstractCegarLoop]: Abstraction has 1326 states and 1560 transitions. [2019-10-13 21:22:17,034 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:22:17,034 INFO L276 IsEmpty]: Start isEmpty. Operand 1326 states and 1560 transitions. [2019-10-13 21:22:17,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-10-13 21:22:17,037 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:17,038 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:17,038 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:17,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:17,038 INFO L82 PathProgramCache]: Analyzing trace with hash -845692026, now seen corresponding path program 1 times [2019-10-13 21:22:17,039 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:17,039 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716292097] [2019-10-13 21:22:17,039 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:17,039 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:17,039 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:17,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:17,162 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 19 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-13 21:22:17,162 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716292097] [2019-10-13 21:22:17,162 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [462332513] [2019-10-13 21:22:17,163 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:17,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:17,375 INFO L256 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2019-10-13 21:22:17,380 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:22:17,447 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 19 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:22:17,447 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:22:17,845 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 19 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-13 21:22:17,845 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [1954806160] [2019-10-13 21:22:17,852 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 160 [2019-10-13 21:22:17,892 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-13 21:22:17,892 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-13 21:22:17,952 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-13 21:22:17,955 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 68 root evaluator evaluations with a maximum evaluation depth of 0. Performed 68 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 126 variables. [2019-10-13 21:22:17,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:17,959 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-13 21:22:18,055 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-13 21:22:18,056 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-13 21:22:18,067 INFO L553 sIntCurrentIteration]: We unified 158 AI predicates to 158 [2019-10-13 21:22:18,067 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-13 21:22:18,068 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-13 21:22:18,068 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9, 9, 9] total 14 [2019-10-13 21:22:18,068 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625708869] [2019-10-13 21:22:18,069 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:22:18,070 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:18,071 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-13 21:22:18,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:22:18,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:18,071 INFO L87 Difference]: Start difference. First operand 1326 states and 1560 transitions. Second operand 2 states. [2019-10-13 21:22:18,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:18,090 INFO L93 Difference]: Finished difference Result 1326 states and 1560 transitions. [2019-10-13 21:22:18,090 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:22:18,090 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 159 [2019-10-13 21:22:18,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:18,092 INFO L225 Difference]: With dead ends: 1326 [2019-10-13 21:22:18,092 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:22:18,096 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:18,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:22:18,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:22:18,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:22:18,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:22:18,098 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 159 [2019-10-13 21:22:18,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:18,098 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:22:18,098 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:22:18,098 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:22:18,098 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:22:18,303 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:18,309 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:22:18,747 INFO L443 ceAbstractionStarter]: For program point L563(lines 563 567) no Hoare annotation was computed. [2019-10-13 21:22:18,748 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 532 587) no Hoare annotation was computed. [2019-10-13 21:22:18,748 INFO L443 ceAbstractionStarter]: For program point L563-1(lines 563 567) no Hoare annotation was computed. [2019-10-13 21:22:18,748 INFO L443 ceAbstractionStarter]: For program point L558(line 558) no Hoare annotation was computed. [2019-10-13 21:22:18,748 INFO L443 ceAbstractionStarter]: For program point L557-2(lines 557 578) no Hoare annotation was computed. [2019-10-13 21:22:18,749 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 532 587) no Hoare annotation was computed. [2019-10-13 21:22:18,749 INFO L443 ceAbstractionStarter]: For program point L579(lines 556 580) no Hoare annotation was computed. [2019-10-13 21:22:18,749 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 532 587) no Hoare annotation was computed. [2019-10-13 21:22:18,749 INFO L443 ceAbstractionStarter]: For program point L640(lines 613 641) no Hoare annotation was computed. [2019-10-13 21:22:18,749 INFO L443 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2019-10-13 21:22:18,749 INFO L443 ceAbstractionStarter]: For program point L633-1(line 633) no Hoare annotation was computed. [2019-10-13 21:22:18,749 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 588 647) no Hoare annotation was computed. [2019-10-13 21:22:18,749 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 588 647) no Hoare annotation was computed. [2019-10-13 21:22:18,750 INFO L443 ceAbstractionStarter]: For program point L620(lines 620 624) no Hoare annotation was computed. [2019-10-13 21:22:18,750 INFO L443 ceAbstractionStarter]: For program point L620-1(lines 620 624) no Hoare annotation was computed. [2019-10-13 21:22:18,750 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 588 647) no Hoare annotation was computed. [2019-10-13 21:22:18,750 INFO L443 ceAbstractionStarter]: For program point L615(line 615) no Hoare annotation was computed. [2019-10-13 21:22:18,750 INFO L443 ceAbstractionStarter]: For program point L614-2(lines 614 639) no Hoare annotation was computed. [2019-10-13 21:22:18,750 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 976 982) the Hoare annotation is: true [2019-10-13 21:22:18,750 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 976 982) no Hoare annotation was computed. [2019-10-13 21:22:18,751 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 983 991) no Hoare annotation was computed. [2019-10-13 21:22:18,751 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 983 991) the Hoare annotation is: true [2019-10-13 21:22:18,751 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 983 991) no Hoare annotation was computed. [2019-10-13 21:22:18,751 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 355 379) the Hoare annotation is: true [2019-10-13 21:22:18,751 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 355 379) no Hoare annotation was computed. [2019-10-13 21:22:18,751 INFO L446 ceAbstractionStarter]: At program point L369(line 369) the Hoare annotation is: true [2019-10-13 21:22:18,751 INFO L443 ceAbstractionStarter]: For program point L367(lines 367 373) no Hoare annotation was computed. [2019-10-13 21:22:18,752 INFO L446 ceAbstractionStarter]: At program point L365(line 365) the Hoare annotation is: true [2019-10-13 21:22:18,752 INFO L443 ceAbstractionStarter]: For program point L365-1(line 365) no Hoare annotation was computed. [2019-10-13 21:22:18,752 INFO L443 ceAbstractionStarter]: For program point L363(lines 363 376) no Hoare annotation was computed. [2019-10-13 21:22:18,753 INFO L443 ceAbstractionStarter]: For program point L363-1(lines 355 379) no Hoare annotation was computed. [2019-10-13 21:22:18,753 INFO L446 ceAbstractionStarter]: At program point L361(line 361) the Hoare annotation is: true [2019-10-13 21:22:18,753 INFO L443 ceAbstractionStarter]: For program point L361-1(line 361) no Hoare annotation was computed. [2019-10-13 21:22:18,753 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 456 478) the Hoare annotation is: true [2019-10-13 21:22:18,753 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 456 478) no Hoare annotation was computed. [2019-10-13 21:22:18,753 INFO L446 ceAbstractionStarter]: At program point L468(line 468) the Hoare annotation is: true [2019-10-13 21:22:18,754 INFO L446 ceAbstractionStarter]: At program point L468-1(line 468) the Hoare annotation is: true [2019-10-13 21:22:18,754 INFO L443 ceAbstractionStarter]: For program point L466(lines 466 473) no Hoare annotation was computed. [2019-10-13 21:22:18,754 INFO L443 ceAbstractionStarter]: For program point L466-1(lines 466 473) no Hoare annotation was computed. [2019-10-13 21:22:18,754 INFO L443 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2019-10-13 21:22:18,756 INFO L446 ceAbstractionStarter]: At program point L463(line 463) the Hoare annotation is: true [2019-10-13 21:22:18,756 INFO L446 ceAbstractionStarter]: At program point L462(line 462) the Hoare annotation is: true [2019-10-13 21:22:18,756 INFO L446 ceAbstractionStarter]: At program point L462-1(line 462) the Hoare annotation is: true [2019-10-13 21:22:18,756 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 456 478) no Hoare annotation was computed. [2019-10-13 21:22:18,757 INFO L443 ceAbstractionStarter]: For program point L417(line 417) no Hoare annotation was computed. [2019-10-13 21:22:18,757 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 412 435) no Hoare annotation was computed. [2019-10-13 21:22:18,757 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 412 435) no Hoare annotation was computed. [2019-10-13 21:22:18,757 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 412 435) no Hoare annotation was computed. [2019-10-13 21:22:18,757 INFO L443 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-10-13 21:22:18,757 INFO L443 ceAbstractionStarter]: For program point L429(line 429) no Hoare annotation was computed. [2019-10-13 21:22:18,757 INFO L443 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2019-10-13 21:22:18,757 INFO L443 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2019-10-13 21:22:18,757 INFO L443 ceAbstractionStarter]: For program point L426(line 426) no Hoare annotation was computed. [2019-10-13 21:22:18,758 INFO L443 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2019-10-13 21:22:18,758 INFO L443 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2019-10-13 21:22:18,758 INFO L443 ceAbstractionStarter]: For program point L423(line 423) no Hoare annotation was computed. [2019-10-13 21:22:18,758 INFO L443 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2019-10-13 21:22:18,758 INFO L443 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2019-10-13 21:22:18,758 INFO L443 ceAbstractionStarter]: For program point L420(line 420) no Hoare annotation was computed. [2019-10-13 21:22:18,758 INFO L443 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2019-10-13 21:22:18,758 INFO L443 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2019-10-13 21:22:18,758 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 261 269) no Hoare annotation was computed. [2019-10-13 21:22:18,759 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 261 269) the Hoare annotation is: true [2019-10-13 21:22:18,759 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 261 269) no Hoare annotation was computed. [2019-10-13 21:22:18,759 INFO L443 ceAbstractionStarter]: For program point L334(lines 334 338) no Hoare annotation was computed. [2019-10-13 21:22:18,759 INFO L446 ceAbstractionStarter]: At program point L332(line 332) the Hoare annotation is: true [2019-10-13 21:22:18,759 INFO L443 ceAbstractionStarter]: For program point L334-2(lines 334 338) no Hoare annotation was computed. [2019-10-13 21:22:18,759 INFO L443 ceAbstractionStarter]: For program point L332-1(line 332) no Hoare annotation was computed. [2019-10-13 21:22:18,759 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 325 343) the Hoare annotation is: true [2019-10-13 21:22:18,759 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 325 343) no Hoare annotation was computed. [2019-10-13 21:22:18,759 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 325 343) no Hoare annotation was computed. [2019-10-13 21:22:18,759 INFO L443 ceAbstractionStarter]: For program point L289(lines 289 297) no Hoare annotation was computed. [2019-10-13 21:22:18,760 INFO L443 ceAbstractionStarter]: For program point L289-2(lines 289 297) no Hoare annotation was computed. [2019-10-13 21:22:18,760 INFO L443 ceAbstractionStarter]: For program point L277(lines 277 285) no Hoare annotation was computed. [2019-10-13 21:22:18,760 INFO L443 ceAbstractionStarter]: For program point L277-2(lines 277 285) no Hoare annotation was computed. [2019-10-13 21:22:18,760 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 270 305) no Hoare annotation was computed. [2019-10-13 21:22:18,760 INFO L443 ceAbstractionStarter]: For program point L300(line 300) no Hoare annotation was computed. [2019-10-13 21:22:18,760 INFO L443 ceAbstractionStarter]: For program point L300-1(line 300) no Hoare annotation was computed. [2019-10-13 21:22:18,760 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 270 305) no Hoare annotation was computed. [2019-10-13 21:22:18,760 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 270 305) no Hoare annotation was computed. [2019-10-13 21:22:18,761 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 969 975) no Hoare annotation was computed. [2019-10-13 21:22:18,761 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 969 975) the Hoare annotation is: true [2019-10-13 21:22:18,761 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 486 531) no Hoare annotation was computed. [2019-10-13 21:22:18,761 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 486 531) no Hoare annotation was computed. [2019-10-13 21:22:18,761 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 486 531) no Hoare annotation was computed. [2019-10-13 21:22:18,761 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 799 844) no Hoare annotation was computed. [2019-10-13 21:22:18,761 INFO L443 ceAbstractionStarter]: For program point L819(lines 819 826) no Hoare annotation was computed. [2019-10-13 21:22:18,761 INFO L443 ceAbstractionStarter]: For program point L813(lines 813 833) no Hoare annotation was computed. [2019-10-13 21:22:18,761 INFO L443 ceAbstractionStarter]: For program point L813-1(lines 813 833) no Hoare annotation was computed. [2019-10-13 21:22:18,762 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 799 844) no Hoare annotation was computed. [2019-10-13 21:22:18,762 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 799 844) no Hoare annotation was computed. [2019-10-13 21:22:18,763 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 443 452) the Hoare annotation is: true [2019-10-13 21:22:18,763 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 443 452) no Hoare annotation was computed. [2019-10-13 21:22:18,763 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 443 452) no Hoare annotation was computed. [2019-10-13 21:22:18,763 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 250 260) the Hoare annotation is: true [2019-10-13 21:22:18,763 INFO L446 ceAbstractionStarter]: At program point L255(line 255) the Hoare annotation is: true [2019-10-13 21:22:18,763 INFO L443 ceAbstractionStarter]: For program point L255-1(line 255) no Hoare annotation was computed. [2019-10-13 21:22:18,763 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 250 260) no Hoare annotation was computed. [2019-10-13 21:22:18,763 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 250 260) no Hoare annotation was computed. [2019-10-13 21:22:18,764 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 242 249) the Hoare annotation is: true [2019-10-13 21:22:18,764 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 242 249) no Hoare annotation was computed. [2019-10-13 21:22:18,764 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 242 249) no Hoare annotation was computed. [2019-10-13 21:22:18,764 INFO L443 ceAbstractionStarter]: For program point L929(lines 929 935) no Hoare annotation was computed. [2019-10-13 21:22:18,764 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 925 938) no Hoare annotation was computed. [2019-10-13 21:22:18,764 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 925 938) the Hoare annotation is: true [2019-10-13 21:22:18,764 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 925 938) no Hoare annotation was computed. [2019-10-13 21:22:18,764 INFO L446 ceAbstractionStarter]: At program point L223(line 223) the Hoare annotation is: true [2019-10-13 21:22:18,764 INFO L446 ceAbstractionStarter]: At program point L219(line 219) the Hoare annotation is: true [2019-10-13 21:22:18,765 INFO L443 ceAbstractionStarter]: For program point L217(lines 217 225) no Hoare annotation was computed. [2019-10-13 21:22:18,765 INFO L446 ceAbstractionStarter]: At program point L215(line 215) the Hoare annotation is: true [2019-10-13 21:22:18,765 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 209 233) no Hoare annotation was computed. [2019-10-13 21:22:18,765 INFO L443 ceAbstractionStarter]: For program point L215-1(line 215) no Hoare annotation was computed. [2019-10-13 21:22:18,765 INFO L443 ceAbstractionStarter]: For program point L213(lines 213 230) no Hoare annotation was computed. [2019-10-13 21:22:18,765 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 209 233) the Hoare annotation is: true [2019-10-13 21:22:18,765 INFO L446 ceAbstractionStarter]: At program point L228(line 228) the Hoare annotation is: true [2019-10-13 21:22:18,765 INFO L443 ceAbstractionStarter]: For program point L228-1(lines 209 233) no Hoare annotation was computed. [2019-10-13 21:22:18,765 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 149 155) no Hoare annotation was computed. [2019-10-13 21:22:18,765 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 149 155) the Hoare annotation is: true [2019-10-13 21:22:18,766 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 45 110) the Hoare annotation is: true [2019-10-13 21:22:18,766 INFO L443 ceAbstractionStarter]: For program point L93(lines 93 97) no Hoare annotation was computed. [2019-10-13 21:22:18,766 INFO L446 ceAbstractionStarter]: At program point L93-2(lines 85 98) the Hoare annotation is: true [2019-10-13 21:22:18,766 INFO L443 ceAbstractionStarter]: For program point L56(lines 55 102) no Hoare annotation was computed. [2019-10-13 21:22:18,766 INFO L446 ceAbstractionStarter]: At program point L87(line 87) the Hoare annotation is: true [2019-10-13 21:22:18,766 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 45 110) no Hoare annotation was computed. [2019-10-13 21:22:18,766 INFO L443 ceAbstractionStarter]: For program point L85(lines 85 98) no Hoare annotation was computed. [2019-10-13 21:22:18,766 INFO L446 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: true [2019-10-13 21:22:18,767 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-10-13 21:22:18,767 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2019-10-13 21:22:18,767 INFO L446 ceAbstractionStarter]: At program point L100(lines 55 102) the Hoare annotation is: true [2019-10-13 21:22:18,767 INFO L446 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: true [2019-10-13 21:22:18,767 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-10-13 21:22:18,767 INFO L443 ceAbstractionStarter]: For program point L65-1(lines 65 71) no Hoare annotation was computed. [2019-10-13 21:22:18,767 INFO L443 ceAbstractionStarter]: For program point L57(lines 57 61) no Hoare annotation was computed. [2019-10-13 21:22:18,768 INFO L446 ceAbstractionStarter]: At program point L103(lines 54 104) the Hoare annotation is: true [2019-10-13 21:22:18,768 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 45 110) no Hoare annotation was computed. [2019-10-13 21:22:18,768 INFO L443 ceAbstractionStarter]: For program point L767(lines 767 787) no Hoare annotation was computed. [2019-10-13 21:22:18,768 INFO L443 ceAbstractionStarter]: For program point L767-1(lines 767 787) no Hoare annotation was computed. [2019-10-13 21:22:18,768 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 753 798) no Hoare annotation was computed. [2019-10-13 21:22:18,768 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 753 798) no Hoare annotation was computed. [2019-10-13 21:22:18,768 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 753 798) no Hoare annotation was computed. [2019-10-13 21:22:18,768 INFO L443 ceAbstractionStarter]: For program point L773(lines 773 780) no Hoare annotation was computed. [2019-10-13 21:22:18,769 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 939 947) no Hoare annotation was computed. [2019-10-13 21:22:18,769 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 939 947) the Hoare annotation is: true [2019-10-13 21:22:18,769 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 939 947) no Hoare annotation was computed. [2019-10-13 21:22:18,769 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 893 915) no Hoare annotation was computed. [2019-10-13 21:22:18,769 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 893 915) no Hoare annotation was computed. [2019-10-13 21:22:18,769 INFO L443 ceAbstractionStarter]: For program point L901(lines 901 909) no Hoare annotation was computed. [2019-10-13 21:22:18,769 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 893 915) no Hoare annotation was computed. [2019-10-13 21:22:18,769 INFO L443 ceAbstractionStarter]: For program point L901-2(lines 901 909) no Hoare annotation was computed. [2019-10-13 21:22:18,769 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 650 752) no Hoare annotation was computed. [2019-10-13 21:22:18,770 INFO L443 ceAbstractionStarter]: For program point L700(lines 699 719) no Hoare annotation was computed. [2019-10-13 21:22:18,770 INFO L443 ceAbstractionStarter]: For program point L731(line 731) no Hoare annotation was computed. [2019-10-13 21:22:18,770 INFO L443 ceAbstractionStarter]: For program point L731-1(line 731) no Hoare annotation was computed. [2019-10-13 21:22:18,770 INFO L443 ceAbstractionStarter]: For program point L696(lines 696 737) no Hoare annotation was computed. [2019-10-13 21:22:18,770 INFO L443 ceAbstractionStarter]: For program point L715(line 715) no Hoare annotation was computed. [2019-10-13 21:22:18,770 INFO L443 ceAbstractionStarter]: For program point L715-1(line 715) no Hoare annotation was computed. [2019-10-13 21:22:18,770 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 650 752) no Hoare annotation was computed. [2019-10-13 21:22:18,770 INFO L443 ceAbstractionStarter]: For program point L674(lines 674 678) no Hoare annotation was computed. [2019-10-13 21:22:18,770 INFO L443 ceAbstractionStarter]: For program point L738(lines 738 749) no Hoare annotation was computed. [2019-10-13 21:22:18,771 INFO L443 ceAbstractionStarter]: For program point L701(lines 701 705) no Hoare annotation was computed. [2019-10-13 21:22:18,771 INFO L443 ceAbstractionStarter]: For program point L699-2(lines 699 719) no Hoare annotation was computed. [2019-10-13 21:22:18,771 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 650 752) no Hoare annotation was computed. [2019-10-13 21:22:18,771 INFO L443 ceAbstractionStarter]: For program point L720(lines 698 721) no Hoare annotation was computed. [2019-10-13 21:22:18,771 INFO L443 ceAbstractionStarter]: For program point L679(lines 679 695) no Hoare annotation was computed. [2019-10-13 21:22:18,771 INFO L443 ceAbstractionStarter]: For program point L739(lines 739 746) no Hoare annotation was computed. [2019-10-13 21:22:18,771 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 959 968) no Hoare annotation was computed. [2019-10-13 21:22:18,771 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 959 968) no Hoare annotation was computed. [2019-10-13 21:22:18,771 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 959 968) no Hoare annotation was computed. [2019-10-13 21:22:18,772 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:18,772 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2019-10-13 21:22:18,772 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:18,773 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 234 241) no Hoare annotation was computed. [2019-10-13 21:22:18,773 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 234 241) no Hoare annotation was computed. [2019-10-13 21:22:18,773 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 234 241) the Hoare annotation is: true [2019-10-13 21:22:18,773 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 306 324) no Hoare annotation was computed. [2019-10-13 21:22:18,773 INFO L443 ceAbstractionStarter]: For program point L315(lines 315 319) no Hoare annotation was computed. [2019-10-13 21:22:18,773 INFO L446 ceAbstractionStarter]: At program point L313(line 313) the Hoare annotation is: true [2019-10-13 21:22:18,773 INFO L443 ceAbstractionStarter]: For program point L315-2(lines 315 319) no Hoare annotation was computed. [2019-10-13 21:22:18,774 INFO L443 ceAbstractionStarter]: For program point L313-1(line 313) no Hoare annotation was computed. [2019-10-13 21:22:18,774 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 306 324) the Hoare annotation is: true [2019-10-13 21:22:18,774 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 306 324) no Hoare annotation was computed. [2019-10-13 21:22:18,774 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 916 924) the Hoare annotation is: true [2019-10-13 21:22:18,774 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 916 924) no Hoare annotation was computed. [2019-10-13 21:22:18,774 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 916 924) no Hoare annotation was computed. [2019-10-13 21:22:18,774 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 872 883) the Hoare annotation is: true [2019-10-13 21:22:18,774 INFO L443 ceAbstractionStarter]: For program point L876-1(lines 872 883) no Hoare annotation was computed. [2019-10-13 21:22:18,774 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 872 883) no Hoare annotation was computed. [2019-10-13 21:22:18,775 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:18,776 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:22:18,776 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:18,776 INFO L443 ceAbstractionStarter]: For program point L129(lines 128 147) no Hoare annotation was computed. [2019-10-13 21:22:18,776 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 125 148) the Hoare annotation is: true [2019-10-13 21:22:18,776 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 125 148) no Hoare annotation was computed. [2019-10-13 21:22:18,776 INFO L446 ceAbstractionStarter]: At program point L138(line 138) the Hoare annotation is: true [2019-10-13 21:22:18,776 INFO L446 ceAbstractionStarter]: At program point L136(lines 136 142) the Hoare annotation is: true [2019-10-13 21:22:18,776 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 125 148) no Hoare annotation was computed. [2019-10-13 21:22:18,777 INFO L446 ceAbstractionStarter]: At program point L131(line 131) the Hoare annotation is: true [2019-10-13 21:22:18,777 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 382 411) no Hoare annotation was computed. [2019-10-13 21:22:18,777 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 382 411) the Hoare annotation is: true [2019-10-13 21:22:18,777 INFO L446 ceAbstractionStarter]: At program point L407(lines 382 411) the Hoare annotation is: true [2019-10-13 21:22:18,777 INFO L443 ceAbstractionStarter]: For program point L403(line 403) no Hoare annotation was computed. [2019-10-13 21:22:18,777 INFO L443 ceAbstractionStarter]: For program point L396(lines 396 400) no Hoare annotation was computed. [2019-10-13 21:22:18,777 INFO L446 ceAbstractionStarter]: At program point L396-1(lines 396 400) the Hoare annotation is: true [2019-10-13 21:22:18,777 INFO L443 ceAbstractionStarter]: For program point L393(line 393) no Hoare annotation was computed. [2019-10-13 21:22:18,777 INFO L446 ceAbstractionStarter]: At program point L392-2(lines 392 406) the Hoare annotation is: true [2019-10-13 21:22:18,778 INFO L446 ceAbstractionStarter]: At program point L388(line 388) the Hoare annotation is: true [2019-10-13 21:22:18,778 INFO L443 ceAbstractionStarter]: For program point L388-1(line 388) no Hoare annotation was computed. [2019-10-13 21:22:18,778 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 884 892) the Hoare annotation is: true [2019-10-13 21:22:18,778 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 884 892) no Hoare annotation was computed. [2019-10-13 21:22:18,778 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 884 892) no Hoare annotation was computed. [2019-10-13 21:22:18,779 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 848 859) the Hoare annotation is: true [2019-10-13 21:22:18,779 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 848 859) no Hoare annotation was computed. [2019-10-13 21:22:18,779 INFO L443 ceAbstractionStarter]: For program point L852-1(lines 848 859) no Hoare annotation was computed. [2019-10-13 21:22:18,779 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 436 442) no Hoare annotation was computed. [2019-10-13 21:22:18,780 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 436 442) the Hoare annotation is: true [2019-10-13 21:22:18,780 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:18,780 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-13 21:22:18,780 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:22:18,780 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:18,780 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 344 351) no Hoare annotation was computed. [2019-10-13 21:22:18,780 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 344 351) the Hoare annotation is: true [2019-10-13 21:22:18,780 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 344 351) no Hoare annotation was computed. [2019-10-13 21:22:18,781 INFO L443 ceAbstractionStarter]: For program point L161(lines 161 178) no Hoare annotation was computed. [2019-10-13 21:22:18,781 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 157 181) the Hoare annotation is: true [2019-10-13 21:22:18,781 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 157 181) no Hoare annotation was computed. [2019-10-13 21:22:18,781 INFO L446 ceAbstractionStarter]: At program point L176(line 176) the Hoare annotation is: true [2019-10-13 21:22:18,781 INFO L443 ceAbstractionStarter]: For program point L176-1(lines 157 181) no Hoare annotation was computed. [2019-10-13 21:22:18,781 INFO L446 ceAbstractionStarter]: At program point L171(line 171) the Hoare annotation is: true [2019-10-13 21:22:18,781 INFO L446 ceAbstractionStarter]: At program point L167(line 167) the Hoare annotation is: true [2019-10-13 21:22:18,781 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 173) no Hoare annotation was computed. [2019-10-13 21:22:18,782 INFO L446 ceAbstractionStarter]: At program point L163(line 163) the Hoare annotation is: true [2019-10-13 21:22:18,782 INFO L443 ceAbstractionStarter]: For program point L163-1(line 163) no Hoare annotation was computed. [2019-10-13 21:22:18,782 INFO L443 ceAbstractionStarter]: For program point L864-1(lines 860 871) no Hoare annotation was computed. [2019-10-13 21:22:18,782 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 860 871) no Hoare annotation was computed. [2019-10-13 21:22:18,782 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 860 871) the Hoare annotation is: true [2019-10-13 21:22:18,782 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 949 956) no Hoare annotation was computed. [2019-10-13 21:22:18,782 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 953) no Hoare annotation was computed. [2019-10-13 21:22:18,782 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 949 956) the Hoare annotation is: true [2019-10-13 21:22:18,783 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 949 956) no Hoare annotation was computed. [2019-10-13 21:22:18,783 INFO L446 ceAbstractionStarter]: At program point L193(line 193) the Hoare annotation is: true [2019-10-13 21:22:18,783 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 199) no Hoare annotation was computed. [2019-10-13 21:22:18,783 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 183 207) no Hoare annotation was computed. [2019-10-13 21:22:18,783 INFO L446 ceAbstractionStarter]: At program point L189(line 189) the Hoare annotation is: true [2019-10-13 21:22:18,783 INFO L443 ceAbstractionStarter]: For program point L189-1(line 189) no Hoare annotation was computed. [2019-10-13 21:22:18,783 INFO L443 ceAbstractionStarter]: For program point L187(lines 187 204) no Hoare annotation was computed. [2019-10-13 21:22:18,783 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 183 207) the Hoare annotation is: true [2019-10-13 21:22:18,783 INFO L446 ceAbstractionStarter]: At program point L202(line 202) the Hoare annotation is: true [2019-10-13 21:22:18,784 INFO L443 ceAbstractionStarter]: For program point L202-1(lines 183 207) no Hoare annotation was computed. [2019-10-13 21:22:18,784 INFO L446 ceAbstractionStarter]: At program point L197(line 197) the Hoare annotation is: true [2019-10-13 21:22:18,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:22:18 BoogieIcfgContainer [2019-10-13 21:22:18,796 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:22:18,799 INFO L168 Benchmark]: Toolchain (without parser) took 13174.35 ms. Allocated memory was 144.2 MB in the beginning and 453.0 MB in the end (delta: 308.8 MB). Free memory was 100.0 MB in the beginning and 221.7 MB in the end (delta: -121.7 MB). Peak memory consumption was 187.1 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:18,806 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 144.2 MB. Free memory was 119.3 MB in the beginning and 119.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-13 21:22:18,807 INFO L168 Benchmark]: CACSL2BoogieTranslator took 677.66 ms. Allocated memory was 144.2 MB in the beginning and 201.9 MB in the end (delta: 57.7 MB). Free memory was 99.8 MB in the beginning and 168.3 MB in the end (delta: -68.5 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:18,808 INFO L168 Benchmark]: Boogie Preprocessor took 92.52 ms. Allocated memory is still 201.9 MB. Free memory was 168.3 MB in the beginning and 164.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:18,809 INFO L168 Benchmark]: RCFGBuilder took 1139.71 ms. Allocated memory was 201.9 MB in the beginning and 232.8 MB in the end (delta: 30.9 MB). Free memory was 164.2 MB in the beginning and 193.7 MB in the end (delta: -29.5 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:18,810 INFO L168 Benchmark]: TraceAbstraction took 11259.88 ms. Allocated memory was 232.8 MB in the beginning and 453.0 MB in the end (delta: 220.2 MB). Free memory was 193.7 MB in the beginning and 221.7 MB in the end (delta: -28.0 MB). Peak memory consumption was 192.2 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:18,822 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 144.2 MB. Free memory was 119.3 MB in the beginning and 119.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 677.66 ms. Allocated memory was 144.2 MB in the beginning and 201.9 MB in the end (delta: 57.7 MB). Free memory was 99.8 MB in the beginning and 168.3 MB in the end (delta: -68.5 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.52 ms. Allocated memory is still 201.9 MB. Free memory was 168.3 MB in the beginning and 164.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1139.71 ms. Allocated memory was 201.9 MB in the beginning and 232.8 MB in the end (delta: 30.9 MB). Free memory was 164.2 MB in the beginning and 193.7 MB in the end (delta: -29.5 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11259.88 ms. Allocated memory was 232.8 MB in the beginning and 453.0 MB in the end (delta: 220.2 MB). Free memory was 193.7 MB in the beginning and 221.7 MB in the end (delta: -28.0 MB). Peak memory consumption was 192.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 953]: 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: 392]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 249 locations, 1 error locations. Result: SAFE, OverallTime: 11.1s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 1913 SDtfs, 1737 SDslu, 4828 SDs, 0 SdLazy, 2500 SolverSat, 690 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1093 GetRequests, 996 SyntacticMatches, 8 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1326occurred 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: 0.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 138 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 2160 PreInvPairs, 2161 NumberOfFragments, 74 HoareAnnotationTreeSize, 2160 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 68 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 1709 NumberOfCodeBlocks, 1709 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2256 ConstructedInterpolants, 0 QuantifiedInterpolants, 441659 SizeOfPredicates, 18 NumberOfNonLiveVariables, 3478 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 19 InterpolantComputations, 10 PerfectInterpolantSequences, 343/386 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 108, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.8481012658227848, 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...