java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product53.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:22:51,338 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:22:51,341 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:22:51,359 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:22:51,360 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:22:51,362 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:22:51,363 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:22:51,373 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:22:51,377 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:22:51,381 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:22:51,382 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:22:51,384 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:22:51,384 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:22:51,386 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:22:51,389 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:22:51,391 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:22:51,392 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:22:51,393 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:22:51,395 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:22:51,399 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:22:51,403 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:22:51,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:22:51,409 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:22:51,410 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:22:51,412 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:22:51,412 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:22:51,412 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:22:51,414 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:22:51,415 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:22:51,416 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:22:51,417 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:22:51,418 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:22:51,419 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:22:51,420 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:22:51,421 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:22:51,422 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:22:51,422 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:22:51,423 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:22:51,423 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:22:51,424 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:22:51,425 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:22:51,426 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 21:22:51,454 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:22:51,455 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:22:51,457 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:22:51,458 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:22:51,458 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:22:51,458 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:22:51,458 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:22:51,459 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:22:51,459 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:22:51,459 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:22:51,460 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:22:51,460 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:22:51,461 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:22:51,461 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:22:51,461 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:22:51,461 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:22:51,462 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:22:51,462 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:22:51,462 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:22:51,462 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:22:51,462 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:22:51,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:22:51,463 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:22:51,467 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:22:51,467 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:22:51,467 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:22:51,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:22:51,468 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:22:51,468 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 21:22:51,766 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:22:51,790 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:22:51,794 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:22:51,796 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:22:51,796 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:22:51,797 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product53.cil.c [2019-10-13 21:22:51,875 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03ec0b3f4/b54d472349844d37940395691c9c53c7/FLAGb68f83350 [2019-10-13 21:22:52,415 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:22:52,416 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product53.cil.c [2019-10-13 21:22:52,440 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03ec0b3f4/b54d472349844d37940395691c9c53c7/FLAGb68f83350 [2019-10-13 21:22:52,699 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03ec0b3f4/b54d472349844d37940395691c9c53c7 [2019-10-13 21:22:52,710 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:22:52,712 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:22:52,713 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:22:52,713 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:22:52,718 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:22:52,722 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:52" (1/1) ... [2019-10-13 21:22:52,724 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29914bb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:52, skipping insertion in model container [2019-10-13 21:22:52,724 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:52" (1/1) ... [2019-10-13 21:22:52,730 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:22:52,784 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:22:53,226 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:53,252 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:22:53,384 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:53,426 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:22:53,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:53 WrapperNode [2019-10-13 21:22:53,427 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:22:53,428 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:22:53,428 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:22:53,428 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:22:53,438 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:53" (1/1) ... [2019-10-13 21:22:53,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:53" (1/1) ... [2019-10-13 21:22:53,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:53" (1/1) ... [2019-10-13 21:22:53,457 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:53" (1/1) ... [2019-10-13 21:22:53,486 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:53" (1/1) ... [2019-10-13 21:22:53,496 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:53" (1/1) ... [2019-10-13 21:22:53,501 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:53" (1/1) ... [2019-10-13 21:22:53,509 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:22:53,510 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:22:53,510 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:22:53,510 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:22:53,511 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:53" (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 21:22:53,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:22:53,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:22:53,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:53,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:53,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:53,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:53,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:22:53,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:22:53,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:22:53,589 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:22:53,590 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:22:53,590 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:22:53,590 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-13 21:22:53,591 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:22:53,591 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:22:53,592 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:22:53,594 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:22:53,594 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:22:53,595 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:22:53,595 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 21:22:53,595 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 21:22:53,595 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:22:53,595 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:22:53,595 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:22:53,595 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:22:53,596 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:22:53,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-13 21:22:53,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-13 21:22:53,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-13 21:22:53,597 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:22:53,597 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:22:53,597 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:22:53,597 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:22:53,597 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:22:53,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:22:53,598 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:22:53,598 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:22:53,598 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:22:53,598 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:22:53,598 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:22:53,599 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:22:53,599 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 21:22:53,599 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 21:22:53,599 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:22:53,599 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:22:53,599 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:22:53,600 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:22:53,600 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:22:53,600 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:22:53,600 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:53,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:22:53,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:22:53,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:22:53,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:22:53,601 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:53,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:22:53,601 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:53,601 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:53,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:22:53,602 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:22:53,602 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:22:53,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:22:53,602 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:22:53,603 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:22:53,603 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:22:53,603 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:22:53,603 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 21:22:53,603 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 21:22:53,603 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:22:53,603 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:22:53,604 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:22:53,604 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:22:53,604 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:22:53,605 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-13 21:22:53,605 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-13 21:22:53,605 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:22:53,605 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:22:53,606 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 21:22:53,606 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:22:53,606 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 21:22:53,607 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-13 21:22:53,607 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:22:53,607 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:22:53,607 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:22:53,607 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:22:53,608 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:22:53,608 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:22:53,609 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:22:53,609 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:22:53,609 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:22:53,610 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:22:53,610 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:22:53,610 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-13 21:22:53,610 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:22:53,610 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:22:53,610 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:22:53,611 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:22:53,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:22:53,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:22:53,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:22:54,747 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:22:54,748 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:22:54,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:54 BoogieIcfgContainer [2019-10-13 21:22:54,750 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:22:54,751 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:22:54,751 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:22:54,755 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:22:54,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:22:52" (1/3) ... [2019-10-13 21:22:54,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48a4f5fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:54, skipping insertion in model container [2019-10-13 21:22:54,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:53" (2/3) ... [2019-10-13 21:22:54,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48a4f5fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:54, skipping insertion in model container [2019-10-13 21:22:54,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:54" (3/3) ... [2019-10-13 21:22:54,759 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product53.cil.c [2019-10-13 21:22:54,769 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:22:54,779 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:22:54,790 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:22:54,826 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:22:54,826 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:22:54,826 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:22:54,826 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:22:54,829 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:22:54,830 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:22:54,830 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:22:54,830 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:22:54,861 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2019-10-13 21:22:54,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-13 21:22:54,873 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:54,874 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:54,876 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:54,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:54,883 INFO L82 PathProgramCache]: Analyzing trace with hash 2103350570, now seen corresponding path program 1 times [2019-10-13 21:22:54,892 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:54,893 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787395123] [2019-10-13 21:22:54,893 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:54,894 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:54,894 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:55,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:55,282 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:55,282 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787395123] [2019-10-13 21:22:55,283 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:55,284 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:22:55,284 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200428799] [2019-10-13 21:22:55,289 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:22:55,294 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:55,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:22:55,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:55,310 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 2 states. [2019-10-13 21:22:55,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:55,359 INFO L93 Difference]: Finished difference Result 308 states and 381 transitions. [2019-10-13 21:22:55,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:22:55,364 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-10-13 21:22:55,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:55,381 INFO L225 Difference]: With dead ends: 308 [2019-10-13 21:22:55,381 INFO L226 Difference]: Without dead ends: 156 [2019-10-13 21:22:55,388 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 21:22:55,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2019-10-13 21:22:55,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2019-10-13 21:22:55,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2019-10-13 21:22:55,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 184 transitions. [2019-10-13 21:22:55,444 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 184 transitions. Word has length 59 [2019-10-13 21:22:55,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:55,445 INFO L462 AbstractCegarLoop]: Abstraction has 156 states and 184 transitions. [2019-10-13 21:22:55,445 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:22:55,445 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 184 transitions. [2019-10-13 21:22:55,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-13 21:22:55,449 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:55,449 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:55,450 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:55,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:55,450 INFO L82 PathProgramCache]: Analyzing trace with hash -1329026362, now seen corresponding path program 1 times [2019-10-13 21:22:55,450 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:55,451 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042320386] [2019-10-13 21:22:55,451 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:55,451 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:55,451 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:55,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:55,682 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:55,682 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042320386] [2019-10-13 21:22:55,682 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:55,683 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:22:55,683 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734184203] [2019-10-13 21:22:55,690 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:22:55,690 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:55,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:22:55,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:55,691 INFO L87 Difference]: Start difference. First operand 156 states and 184 transitions. Second operand 7 states. [2019-10-13 21:22:56,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:56,168 INFO L93 Difference]: Finished difference Result 284 states and 343 transitions. [2019-10-13 21:22:56,168 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:22:56,168 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2019-10-13 21:22:56,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:56,173 INFO L225 Difference]: With dead ends: 284 [2019-10-13 21:22:56,173 INFO L226 Difference]: Without dead ends: 156 [2019-10-13 21:22:56,178 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:22:56,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2019-10-13 21:22:56,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2019-10-13 21:22:56,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2019-10-13 21:22:56,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 183 transitions. [2019-10-13 21:22:56,222 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 183 transitions. Word has length 64 [2019-10-13 21:22:56,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:56,224 INFO L462 AbstractCegarLoop]: Abstraction has 156 states and 183 transitions. [2019-10-13 21:22:56,224 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:22:56,224 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 183 transitions. [2019-10-13 21:22:56,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-10-13 21:22:56,239 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:56,240 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:56,240 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:56,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:56,240 INFO L82 PathProgramCache]: Analyzing trace with hash 681754523, now seen corresponding path program 1 times [2019-10-13 21:22:56,241 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:56,241 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915282974] [2019-10-13 21:22:56,244 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:56,244 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:56,244 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:56,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:56,361 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:56,361 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915282974] [2019-10-13 21:22:56,361 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:56,361 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:22:56,362 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120431386] [2019-10-13 21:22:56,362 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:22:56,363 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:56,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:22:56,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:22:56,363 INFO L87 Difference]: Start difference. First operand 156 states and 183 transitions. Second operand 3 states. [2019-10-13 21:22:56,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:56,379 INFO L93 Difference]: Finished difference Result 257 states and 301 transitions. [2019-10-13 21:22:56,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:22:56,379 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2019-10-13 21:22:56,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:56,381 INFO L225 Difference]: With dead ends: 257 [2019-10-13 21:22:56,382 INFO L226 Difference]: Without dead ends: 147 [2019-10-13 21:22:56,383 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:22:56,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2019-10-13 21:22:56,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2019-10-13 21:22:56,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2019-10-13 21:22:56,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 171 transitions. [2019-10-13 21:22:56,397 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 171 transitions. Word has length 78 [2019-10-13 21:22:56,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:56,398 INFO L462 AbstractCegarLoop]: Abstraction has 147 states and 171 transitions. [2019-10-13 21:22:56,398 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:22:56,398 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 171 transitions. [2019-10-13 21:22:56,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-10-13 21:22:56,401 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:56,402 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:56,402 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:56,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:56,402 INFO L82 PathProgramCache]: Analyzing trace with hash 1768093168, now seen corresponding path program 1 times [2019-10-13 21:22:56,403 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:56,403 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435120465] [2019-10-13 21:22:56,403 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:56,403 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:56,403 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:56,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:56,554 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:56,555 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435120465] [2019-10-13 21:22:56,555 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:56,555 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 21:22:56,555 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406889388] [2019-10-13 21:22:56,558 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:22:56,559 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:56,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:22:56,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:22:56,560 INFO L87 Difference]: Start difference. First operand 147 states and 171 transitions. Second operand 5 states. [2019-10-13 21:22:57,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:57,152 INFO L93 Difference]: Finished difference Result 375 states and 455 transitions. [2019-10-13 21:22:57,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:22:57,153 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2019-10-13 21:22:57,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:57,156 INFO L225 Difference]: With dead ends: 375 [2019-10-13 21:22:57,156 INFO L226 Difference]: Without dead ends: 256 [2019-10-13 21:22:57,160 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 21:22:57,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2019-10-13 21:22:57,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 238. [2019-10-13 21:22:57,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2019-10-13 21:22:57,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 272 transitions. [2019-10-13 21:22:57,209 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 272 transitions. Word has length 82 [2019-10-13 21:22:57,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:57,210 INFO L462 AbstractCegarLoop]: Abstraction has 238 states and 272 transitions. [2019-10-13 21:22:57,210 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:22:57,210 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 272 transitions. [2019-10-13 21:22:57,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2019-10-13 21:22:57,214 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:57,215 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:57,215 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:57,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:57,216 INFO L82 PathProgramCache]: Analyzing trace with hash -856267590, now seen corresponding path program 1 times [2019-10-13 21:22:57,216 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:57,216 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906146122] [2019-10-13 21:22:57,217 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:57,217 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:57,217 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:57,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:57,395 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:22:57,395 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906146122] [2019-10-13 21:22:57,396 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:57,396 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:22:57,396 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406003373] [2019-10-13 21:22:57,397 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:22:57,397 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:57,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:22:57,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:57,398 INFO L87 Difference]: Start difference. First operand 238 states and 272 transitions. Second operand 7 states. [2019-10-13 21:22:58,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:58,043 INFO L93 Difference]: Finished difference Result 465 states and 547 transitions. [2019-10-13 21:22:58,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 21:22:58,043 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 96 [2019-10-13 21:22:58,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:58,046 INFO L225 Difference]: With dead ends: 465 [2019-10-13 21:22:58,046 INFO L226 Difference]: Without dead ends: 255 [2019-10-13 21:22:58,047 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-13 21:22:58,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2019-10-13 21:22:58,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 237. [2019-10-13 21:22:58,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2019-10-13 21:22:58,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 269 transitions. [2019-10-13 21:22:58,097 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 269 transitions. Word has length 96 [2019-10-13 21:22:58,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:58,097 INFO L462 AbstractCegarLoop]: Abstraction has 237 states and 269 transitions. [2019-10-13 21:22:58,097 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:22:58,098 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 269 transitions. [2019-10-13 21:22:58,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-10-13 21:22:58,099 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:58,099 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:58,100 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:58,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:58,100 INFO L82 PathProgramCache]: Analyzing trace with hash 1083119363, now seen corresponding path program 1 times [2019-10-13 21:22:58,100 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:58,100 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269936245] [2019-10-13 21:22:58,101 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:58,101 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:58,101 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:58,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:58,175 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:58,175 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269936245] [2019-10-13 21:22:58,176 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:58,176 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:22:58,176 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661727949] [2019-10-13 21:22:58,177 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:22:58,177 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:58,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:22:58,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:22:58,178 INFO L87 Difference]: Start difference. First operand 237 states and 269 transitions. Second operand 6 states. [2019-10-13 21:22:58,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:58,213 INFO L93 Difference]: Finished difference Result 451 states and 521 transitions. [2019-10-13 21:22:58,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:22:58,214 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 97 [2019-10-13 21:22:58,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:58,217 INFO L225 Difference]: With dead ends: 451 [2019-10-13 21:22:58,217 INFO L226 Difference]: Without dead ends: 242 [2019-10-13 21:22:58,218 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:58,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2019-10-13 21:22:58,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 242. [2019-10-13 21:22:58,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2019-10-13 21:22:58,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 274 transitions. [2019-10-13 21:22:58,237 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 274 transitions. Word has length 97 [2019-10-13 21:22:58,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:58,238 INFO L462 AbstractCegarLoop]: Abstraction has 242 states and 274 transitions. [2019-10-13 21:22:58,238 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:22:58,238 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 274 transitions. [2019-10-13 21:22:58,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-10-13 21:22:58,239 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:58,239 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:58,240 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:58,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:58,240 INFO L82 PathProgramCache]: Analyzing trace with hash 1010732805, now seen corresponding path program 1 times [2019-10-13 21:22:58,240 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:58,241 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398157678] [2019-10-13 21:22:58,241 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:58,241 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:58,241 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:58,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:58,328 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:58,328 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398157678] [2019-10-13 21:22:58,329 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:58,329 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 21:22:58,329 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666477192] [2019-10-13 21:22:58,330 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:22:58,330 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:58,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:22:58,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:22:58,331 INFO L87 Difference]: Start difference. First operand 242 states and 274 transitions. Second operand 8 states. [2019-10-13 21:22:58,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:58,370 INFO L93 Difference]: Finished difference Result 463 states and 539 transitions. [2019-10-13 21:22:58,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:22:58,370 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 97 [2019-10-13 21:22:58,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:58,373 INFO L225 Difference]: With dead ends: 463 [2019-10-13 21:22:58,373 INFO L226 Difference]: Without dead ends: 249 [2019-10-13 21:22:58,374 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:22:58,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2019-10-13 21:22:58,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 246. [2019-10-13 21:22:58,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2019-10-13 21:22:58,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 278 transitions. [2019-10-13 21:22:58,391 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 278 transitions. Word has length 97 [2019-10-13 21:22:58,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:58,392 INFO L462 AbstractCegarLoop]: Abstraction has 246 states and 278 transitions. [2019-10-13 21:22:58,392 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:22:58,392 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 278 transitions. [2019-10-13 21:22:58,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-10-13 21:22:58,393 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:58,394 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:58,394 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:58,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:58,394 INFO L82 PathProgramCache]: Analyzing trace with hash 1340498566, now seen corresponding path program 1 times [2019-10-13 21:22:58,395 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:58,395 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456871558] [2019-10-13 21:22:58,395 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:58,395 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:58,395 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:58,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:58,500 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:58,501 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456871558] [2019-10-13 21:22:58,501 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:58,501 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:22:58,502 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689736622] [2019-10-13 21:22:58,503 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:22:58,503 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:58,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:22:58,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:22:58,504 INFO L87 Difference]: Start difference. First operand 246 states and 278 transitions. Second operand 4 states. [2019-10-13 21:22:58,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:58,821 INFO L93 Difference]: Finished difference Result 720 states and 854 transitions. [2019-10-13 21:22:58,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 21:22:58,822 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 97 [2019-10-13 21:22:58,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:58,827 INFO L225 Difference]: With dead ends: 720 [2019-10-13 21:22:58,828 INFO L226 Difference]: Without dead ends: 502 [2019-10-13 21:22:58,830 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:22:58,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2019-10-13 21:22:58,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 493. [2019-10-13 21:22:58,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 493 states. [2019-10-13 21:22:58,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 573 transitions. [2019-10-13 21:22:58,878 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 573 transitions. Word has length 97 [2019-10-13 21:22:58,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:58,879 INFO L462 AbstractCegarLoop]: Abstraction has 493 states and 573 transitions. [2019-10-13 21:22:58,880 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:22:58,880 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 573 transitions. [2019-10-13 21:22:58,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2019-10-13 21:22:58,886 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:58,886 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:58,886 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:58,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:58,887 INFO L82 PathProgramCache]: Analyzing trace with hash 1424414732, now seen corresponding path program 1 times [2019-10-13 21:22:58,887 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:58,887 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606041522] [2019-10-13 21:22:58,888 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:58,888 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:58,888 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:58,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:59,110 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:59,110 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606041522] [2019-10-13 21:22:59,111 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:59,112 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 21:22:59,113 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316814909] [2019-10-13 21:22:59,113 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 21:22:59,113 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:59,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 21:22:59,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:22:59,114 INFO L87 Difference]: Start difference. First operand 493 states and 573 transitions. Second operand 9 states. [2019-10-13 21:23:00,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:00,307 INFO L93 Difference]: Finished difference Result 1284 states and 1562 transitions. [2019-10-13 21:23:00,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-13 21:23:00,309 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 101 [2019-10-13 21:23:00,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:00,316 INFO L225 Difference]: With dead ends: 1284 [2019-10-13 21:23:00,317 INFO L226 Difference]: Without dead ends: 892 [2019-10-13 21:23:00,319 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2019-10-13 21:23:00,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2019-10-13 21:23:00,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 816. [2019-10-13 21:23:00,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 816 states. [2019-10-13 21:23:00,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 816 states and 937 transitions. [2019-10-13 21:23:00,374 INFO L78 Accepts]: Start accepts. Automaton has 816 states and 937 transitions. Word has length 101 [2019-10-13 21:23:00,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:00,375 INFO L462 AbstractCegarLoop]: Abstraction has 816 states and 937 transitions. [2019-10-13 21:23:00,375 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 21:23:00,375 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 937 transitions. [2019-10-13 21:23:00,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-10-13 21:23:00,379 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:00,380 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:23:00,380 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:00,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:00,380 INFO L82 PathProgramCache]: Analyzing trace with hash -578790576, now seen corresponding path program 1 times [2019-10-13 21:23:00,381 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:00,381 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153347621] [2019-10-13 21:23:00,381 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:00,381 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:00,381 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:00,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:00,566 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 22 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-13 21:23:00,567 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153347621] [2019-10-13 21:23:00,567 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [681029145] [2019-10-13 21:23:00,568 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:23:00,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:00,793 INFO L256 TraceCheckSpWp]: Trace formula consists of 964 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-13 21:23:00,815 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:23:01,068 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 29 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:23:01,069 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:23:01,483 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 22 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-13 21:23:01,484 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [188647617] [2019-10-13 21:23:01,491 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 179 [2019-10-13 21:23:01,551 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-13 21:23:01,551 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-13 21:23:01,640 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-13 21:23:01,642 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 69 root evaluator evaluations with a maximum evaluation depth of 0. Performed 69 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 128 variables. [2019-10-13 21:23:01,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:01,647 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-13 21:23:01,737 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-13 21:23:01,738 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-13 21:23:01,742 INFO L553 sIntCurrentIteration]: We unified 177 AI predicates to 177 [2019-10-13 21:23:01,743 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-13 21:23:01,743 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-13 21:23:01,744 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11, 7, 7] total 19 [2019-10-13 21:23:01,744 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996584257] [2019-10-13 21:23:01,745 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:23:01,746 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:01,746 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-13 21:23:01,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:23:01,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:23:01,747 INFO L87 Difference]: Start difference. First operand 816 states and 937 transitions. Second operand 2 states. [2019-10-13 21:23:01,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:01,758 INFO L93 Difference]: Finished difference Result 816 states and 937 transitions. [2019-10-13 21:23:01,758 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:23:01,758 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 178 [2019-10-13 21:23:01,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:01,759 INFO L225 Difference]: With dead ends: 816 [2019-10-13 21:23:01,759 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:23:01,761 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:23:01,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:23:01,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:23:01,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:23:01,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:23:01,762 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 178 [2019-10-13 21:23:01,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:01,762 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:23:01,763 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:23:01,763 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:23:01,763 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:23:01,968 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:23:01,974 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:23:02,290 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2019-10-13 21:23:02,290 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2019-10-13 21:23:02,290 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-10-13 21:23:02,290 INFO L443 ceAbstractionStarter]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2019-10-13 21:23:02,290 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2019-10-13 21:23:02,290 INFO L443 ceAbstractionStarter]: For program point L139(lines 116 140) no Hoare annotation was computed. [2019-10-13 21:23:02,291 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2019-10-13 21:23:02,291 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2019-10-13 21:23:02,291 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-13 21:23:02,291 INFO L443 ceAbstractionStarter]: For program point L193-1(line 193) no Hoare annotation was computed. [2019-10-13 21:23:02,291 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2019-10-13 21:23:02,291 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2019-10-13 21:23:02,291 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2019-10-13 21:23:02,291 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-10-13 21:23:02,291 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2019-10-13 21:23:02,291 INFO L443 ceAbstractionStarter]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2019-10-13 21:23:02,292 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2019-10-13 21:23:02,292 INFO L443 ceAbstractionStarter]: For program point L200(lines 173 201) no Hoare annotation was computed. [2019-10-13 21:23:02,292 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 665 671) the Hoare annotation is: true [2019-10-13 21:23:02,292 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 665 671) no Hoare annotation was computed. [2019-10-13 21:23:02,292 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 672 680) no Hoare annotation was computed. [2019-10-13 21:23:02,292 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 672 680) the Hoare annotation is: true [2019-10-13 21:23:02,292 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 672 680) no Hoare annotation was computed. [2019-10-13 21:23:02,293 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 753 760) the Hoare annotation is: true [2019-10-13 21:23:02,293 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 753 760) no Hoare annotation was computed. [2019-10-13 21:23:02,293 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 753 760) no Hoare annotation was computed. [2019-10-13 21:23:02,293 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 761 770) the Hoare annotation is: true [2019-10-13 21:23:02,293 INFO L443 ceAbstractionStarter]: For program point L766(line 766) no Hoare annotation was computed. [2019-10-13 21:23:02,293 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 761 770) no Hoare annotation was computed. [2019-10-13 21:23:02,293 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 761 770) no Hoare annotation was computed. [2019-10-13 21:23:02,293 INFO L446 ceAbstractionStarter]: At program point L786(line 786) the Hoare annotation is: true [2019-10-13 21:23:02,293 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 771 799) the Hoare annotation is: true [2019-10-13 21:23:02,294 INFO L443 ceAbstractionStarter]: For program point L784(lines 784 790) no Hoare annotation was computed. [2019-10-13 21:23:02,294 INFO L443 ceAbstractionStarter]: For program point L783(lines 783 793) no Hoare annotation was computed. [2019-10-13 21:23:02,294 INFO L446 ceAbstractionStarter]: At program point L781(line 781) the Hoare annotation is: true [2019-10-13 21:23:02,294 INFO L443 ceAbstractionStarter]: For program point L781-1(line 781) no Hoare annotation was computed. [2019-10-13 21:23:02,294 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 771 799) no Hoare annotation was computed. [2019-10-13 21:23:02,295 INFO L443 ceAbstractionStarter]: For program point L779(lines 779 796) no Hoare annotation was computed. [2019-10-13 21:23:02,295 INFO L443 ceAbstractionStarter]: For program point L779-1(lines 771 799) no Hoare annotation was computed. [2019-10-13 21:23:02,295 INFO L446 ceAbstractionStarter]: At program point L777(line 777) the Hoare annotation is: true [2019-10-13 21:23:02,295 INFO L443 ceAbstractionStarter]: For program point L777-1(line 777) no Hoare annotation was computed. [2019-10-13 21:23:02,295 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 874 896) the Hoare annotation is: true [2019-10-13 21:23:02,295 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 874 896) no Hoare annotation was computed. [2019-10-13 21:23:02,295 INFO L446 ceAbstractionStarter]: At program point L886(line 886) the Hoare annotation is: true [2019-10-13 21:23:02,296 INFO L446 ceAbstractionStarter]: At program point L886-1(line 886) the Hoare annotation is: true [2019-10-13 21:23:02,296 INFO L443 ceAbstractionStarter]: For program point L884(lines 884 891) no Hoare annotation was computed. [2019-10-13 21:23:02,296 INFO L443 ceAbstractionStarter]: For program point L884-1(lines 884 891) no Hoare annotation was computed. [2019-10-13 21:23:02,296 INFO L443 ceAbstractionStarter]: For program point L882(line 882) no Hoare annotation was computed. [2019-10-13 21:23:02,296 INFO L446 ceAbstractionStarter]: At program point L881(line 881) the Hoare annotation is: true [2019-10-13 21:23:02,296 INFO L446 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: true [2019-10-13 21:23:02,296 INFO L446 ceAbstractionStarter]: At program point L880-1(line 880) the Hoare annotation is: true [2019-10-13 21:23:02,296 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 874 896) no Hoare annotation was computed. [2019-10-13 21:23:02,297 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 832 855) no Hoare annotation was computed. [2019-10-13 21:23:02,297 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 832 855) no Hoare annotation was computed. [2019-10-13 21:23:02,297 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 832 855) no Hoare annotation was computed. [2019-10-13 21:23:02,297 INFO L443 ceAbstractionStarter]: For program point L850(line 850) no Hoare annotation was computed. [2019-10-13 21:23:02,297 INFO L443 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2019-10-13 21:23:02,297 INFO L443 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2019-10-13 21:23:02,297 INFO L443 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2019-10-13 21:23:02,297 INFO L443 ceAbstractionStarter]: For program point L846(line 846) no Hoare annotation was computed. [2019-10-13 21:23:02,297 INFO L443 ceAbstractionStarter]: For program point L845(line 845) no Hoare annotation was computed. [2019-10-13 21:23:02,298 INFO L443 ceAbstractionStarter]: For program point L844(line 844) no Hoare annotation was computed. [2019-10-13 21:23:02,298 INFO L443 ceAbstractionStarter]: For program point L843(line 843) no Hoare annotation was computed. [2019-10-13 21:23:02,298 INFO L443 ceAbstractionStarter]: For program point L842(line 842) no Hoare annotation was computed. [2019-10-13 21:23:02,298 INFO L443 ceAbstractionStarter]: For program point L841(line 841) no Hoare annotation was computed. [2019-10-13 21:23:02,298 INFO L443 ceAbstractionStarter]: For program point L840(line 840) no Hoare annotation was computed. [2019-10-13 21:23:02,298 INFO L443 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2019-10-13 21:23:02,298 INFO L443 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2019-10-13 21:23:02,298 INFO L443 ceAbstractionStarter]: For program point L837(line 837) no Hoare annotation was computed. [2019-10-13 21:23:02,298 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 560 568) no Hoare annotation was computed. [2019-10-13 21:23:02,299 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 560 568) the Hoare annotation is: true [2019-10-13 21:23:02,299 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 560 568) no Hoare annotation was computed. [2019-10-13 21:23:02,299 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 624 642) the Hoare annotation is: true [2019-10-13 21:23:02,299 INFO L443 ceAbstractionStarter]: For program point L633(lines 633 637) no Hoare annotation was computed. [2019-10-13 21:23:02,299 INFO L446 ceAbstractionStarter]: At program point L631(line 631) the Hoare annotation is: true [2019-10-13 21:23:02,299 INFO L443 ceAbstractionStarter]: For program point L633-2(lines 633 637) no Hoare annotation was computed. [2019-10-13 21:23:02,300 INFO L443 ceAbstractionStarter]: For program point L631-1(line 631) no Hoare annotation was computed. [2019-10-13 21:23:02,300 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 624 642) no Hoare annotation was computed. [2019-10-13 21:23:02,300 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 624 642) no Hoare annotation was computed. [2019-10-13 21:23:02,300 INFO L443 ceAbstractionStarter]: For program point L576(lines 576 584) no Hoare annotation was computed. [2019-10-13 21:23:02,300 INFO L443 ceAbstractionStarter]: For program point L576-2(lines 576 584) no Hoare annotation was computed. [2019-10-13 21:23:02,301 INFO L443 ceAbstractionStarter]: For program point L599(line 599) no Hoare annotation was computed. [2019-10-13 21:23:02,301 INFO L443 ceAbstractionStarter]: For program point L599-1(line 599) no Hoare annotation was computed. [2019-10-13 21:23:02,301 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 569 604) no Hoare annotation was computed. [2019-10-13 21:23:02,301 INFO L443 ceAbstractionStarter]: For program point L588(lines 588 596) no Hoare annotation was computed. [2019-10-13 21:23:02,301 INFO L443 ceAbstractionStarter]: For program point L588-2(lines 588 596) no Hoare annotation was computed. [2019-10-13 21:23:02,301 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 569 604) no Hoare annotation was computed. [2019-10-13 21:23:02,302 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 569 604) no Hoare annotation was computed. [2019-10-13 21:23:02,302 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 658 664) no Hoare annotation was computed. [2019-10-13 21:23:02,302 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 658 664) the Hoare annotation is: true [2019-10-13 21:23:02,302 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2019-10-13 21:23:02,302 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2019-10-13 21:23:02,303 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2019-10-13 21:23:02,303 INFO L443 ceAbstractionStarter]: For program point L379(lines 379 386) no Hoare annotation was computed. [2019-10-13 21:23:02,303 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2019-10-13 21:23:02,303 INFO L443 ceAbstractionStarter]: For program point L373(lines 373 393) no Hoare annotation was computed. [2019-10-13 21:23:02,303 INFO L443 ceAbstractionStarter]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2019-10-13 21:23:02,303 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2019-10-13 21:23:02,303 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2019-10-13 21:23:02,304 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 863 873) the Hoare annotation is: true [2019-10-13 21:23:02,304 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 863 873) no Hoare annotation was computed. [2019-10-13 21:23:02,304 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 863 873) no Hoare annotation was computed. [2019-10-13 21:23:02,304 INFO L446 ceAbstractionStarter]: At program point L868(line 868) the Hoare annotation is: true [2019-10-13 21:23:02,304 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 549 559) the Hoare annotation is: true [2019-10-13 21:23:02,304 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 549 559) no Hoare annotation was computed. [2019-10-13 21:23:02,304 INFO L446 ceAbstractionStarter]: At program point L554(line 554) the Hoare annotation is: true [2019-10-13 21:23:02,305 INFO L443 ceAbstractionStarter]: For program point L554-1(line 554) no Hoare annotation was computed. [2019-10-13 21:23:02,305 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 549 559) no Hoare annotation was computed. [2019-10-13 21:23:02,305 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 541 548) the Hoare annotation is: true [2019-10-13 21:23:02,305 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 541 548) no Hoare annotation was computed. [2019-10-13 21:23:02,305 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 541 548) no Hoare annotation was computed. [2019-10-13 21:23:02,305 INFO L443 ceAbstractionStarter]: For program point L990(lines 990 996) no Hoare annotation was computed. [2019-10-13 21:23:02,305 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 986 999) no Hoare annotation was computed. [2019-10-13 21:23:02,306 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 986 999) the Hoare annotation is: true [2019-10-13 21:23:02,306 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 986 999) no Hoare annotation was computed. [2019-10-13 21:23:02,306 INFO L443 ceAbstractionStarter]: For program point L514-1(line 514) no Hoare annotation was computed. [2019-10-13 21:23:02,306 INFO L443 ceAbstractionStarter]: For program point L512(lines 512 529) no Hoare annotation was computed. [2019-10-13 21:23:02,308 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 508 532) no Hoare annotation was computed. [2019-10-13 21:23:02,308 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 508 532) the Hoare annotation is: true [2019-10-13 21:23:02,308 INFO L446 ceAbstractionStarter]: At program point L527(line 527) the Hoare annotation is: true [2019-10-13 21:23:02,308 INFO L443 ceAbstractionStarter]: For program point L527-1(lines 508 532) no Hoare annotation was computed. [2019-10-13 21:23:02,309 INFO L446 ceAbstractionStarter]: At program point L522(line 522) the Hoare annotation is: true [2019-10-13 21:23:02,309 INFO L446 ceAbstractionStarter]: At program point L518(line 518) the Hoare annotation is: true [2019-10-13 21:23:02,309 INFO L443 ceAbstractionStarter]: For program point L516(lines 516 524) no Hoare annotation was computed. [2019-10-13 21:23:02,309 INFO L446 ceAbstractionStarter]: At program point L514(line 514) the Hoare annotation is: true [2019-10-13 21:23:02,309 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 448 454) no Hoare annotation was computed. [2019-10-13 21:23:02,309 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 448 454) the Hoare annotation is: true [2019-10-13 21:23:02,309 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 685 748) the Hoare annotation is: true [2019-10-13 21:23:02,309 INFO L443 ceAbstractionStarter]: For program point L731(lines 731 735) no Hoare annotation was computed. [2019-10-13 21:23:02,310 INFO L446 ceAbstractionStarter]: At program point L731-2(lines 725 736) the Hoare annotation is: true [2019-10-13 21:23:02,310 INFO L443 ceAbstractionStarter]: For program point L696(lines 695 740) no Hoare annotation was computed. [2019-10-13 21:23:02,310 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 685 748) no Hoare annotation was computed. [2019-10-13 21:23:02,310 INFO L443 ceAbstractionStarter]: For program point L725(lines 725 736) no Hoare annotation was computed. [2019-10-13 21:23:02,310 INFO L446 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: true [2019-10-13 21:23:02,310 INFO L443 ceAbstractionStarter]: For program point L715(lines 715 721) no Hoare annotation was computed. [2019-10-13 21:23:02,310 INFO L443 ceAbstractionStarter]: For program point L715-1(lines 715 721) no Hoare annotation was computed. [2019-10-13 21:23:02,310 INFO L446 ceAbstractionStarter]: At program point L707(line 707) the Hoare annotation is: true [2019-10-13 21:23:02,311 INFO L446 ceAbstractionStarter]: At program point L738(lines 695 740) the Hoare annotation is: true [2019-10-13 21:23:02,311 INFO L443 ceAbstractionStarter]: For program point L705(lines 705 711) no Hoare annotation was computed. [2019-10-13 21:23:02,311 INFO L443 ceAbstractionStarter]: For program point L705-1(lines 705 711) no Hoare annotation was computed. [2019-10-13 21:23:02,311 INFO L443 ceAbstractionStarter]: For program point L697(lines 697 701) no Hoare annotation was computed. [2019-10-13 21:23:02,311 INFO L446 ceAbstractionStarter]: At program point L741(lines 694 742) the Hoare annotation is: true [2019-10-13 21:23:02,311 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 685 748) no Hoare annotation was computed. [2019-10-13 21:23:02,311 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2019-10-13 21:23:02,311 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2019-10-13 21:23:02,312 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2019-10-13 21:23:02,312 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 340) no Hoare annotation was computed. [2019-10-13 21:23:02,312 INFO L443 ceAbstractionStarter]: For program point L327(lines 327 347) no Hoare annotation was computed. [2019-10-13 21:23:02,312 INFO L443 ceAbstractionStarter]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2019-10-13 21:23:02,312 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 1000 1008) no Hoare annotation was computed. [2019-10-13 21:23:02,312 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 1000 1008) the Hoare annotation is: true [2019-10-13 21:23:02,312 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 1000 1008) no Hoare annotation was computed. [2019-10-13 21:23:02,312 INFO L443 ceAbstractionStarter]: For program point L962-2(lines 962 970) no Hoare annotation was computed. [2019-10-13 21:23:02,313 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 954 976) no Hoare annotation was computed. [2019-10-13 21:23:02,313 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 954 976) no Hoare annotation was computed. [2019-10-13 21:23:02,313 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 954 976) no Hoare annotation was computed. [2019-10-13 21:23:02,313 INFO L443 ceAbstractionStarter]: For program point L962(lines 962 970) no Hoare annotation was computed. [2019-10-13 21:23:02,313 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 297) no Hoare annotation was computed. [2019-10-13 21:23:02,313 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2019-10-13 21:23:02,313 INFO L443 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2019-10-13 21:23:02,313 INFO L443 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2019-10-13 21:23:02,314 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2019-10-13 21:23:02,314 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 309) no Hoare annotation was computed. [2019-10-13 21:23:02,314 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2019-10-13 21:23:02,314 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 265) no Hoare annotation was computed. [2019-10-13 21:23:02,314 INFO L443 ceAbstractionStarter]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2019-10-13 21:23:02,314 INFO L443 ceAbstractionStarter]: For program point L280(lines 258 281) no Hoare annotation was computed. [2019-10-13 21:23:02,315 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2019-10-13 21:23:02,315 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 255) no Hoare annotation was computed. [2019-10-13 21:23:02,315 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 306) no Hoare annotation was computed. [2019-10-13 21:23:02,315 INFO L443 ceAbstractionStarter]: For program point L260(lines 259 279) no Hoare annotation was computed. [2019-10-13 21:23:02,315 INFO L443 ceAbstractionStarter]: For program point L291(line 291) no Hoare annotation was computed. [2019-10-13 21:23:02,316 INFO L443 ceAbstractionStarter]: For program point L291-1(line 291) no Hoare annotation was computed. [2019-10-13 21:23:02,316 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 648 657) no Hoare annotation was computed. [2019-10-13 21:23:02,316 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 648 657) no Hoare annotation was computed. [2019-10-13 21:23:02,316 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 648 657) no Hoare annotation was computed. [2019-10-13 21:23:02,316 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:23:02,316 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= 1 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2019-10-13 21:23:02,317 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:23:02,317 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 533 540) no Hoare annotation was computed. [2019-10-13 21:23:02,317 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 533 540) no Hoare annotation was computed. [2019-10-13 21:23:02,317 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 533 540) the Hoare annotation is: true [2019-10-13 21:23:02,317 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 605 623) no Hoare annotation was computed. [2019-10-13 21:23:02,317 INFO L443 ceAbstractionStarter]: For program point L614(lines 614 618) no Hoare annotation was computed. [2019-10-13 21:23:02,317 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 605 623) the Hoare annotation is: true [2019-10-13 21:23:02,317 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 605 623) no Hoare annotation was computed. [2019-10-13 21:23:02,318 INFO L446 ceAbstractionStarter]: At program point L612(line 612) the Hoare annotation is: true [2019-10-13 21:23:02,318 INFO L443 ceAbstractionStarter]: For program point L614-2(lines 614 618) no Hoare annotation was computed. [2019-10-13 21:23:02,319 INFO L443 ceAbstractionStarter]: For program point L612-1(line 612) no Hoare annotation was computed. [2019-10-13 21:23:02,319 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 977 985) the Hoare annotation is: true [2019-10-13 21:23:02,319 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 977 985) no Hoare annotation was computed. [2019-10-13 21:23:02,319 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 977 985) no Hoare annotation was computed. [2019-10-13 21:23:02,319 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:23:02,319 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:23:02,319 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:23:02,319 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 933 944) the Hoare annotation is: true [2019-10-13 21:23:02,320 INFO L443 ceAbstractionStarter]: For program point L937-1(lines 933 944) no Hoare annotation was computed. [2019-10-13 21:23:02,320 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 933 944) no Hoare annotation was computed. [2019-10-13 21:23:02,320 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 945 953) the Hoare annotation is: true [2019-10-13 21:23:02,320 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 945 953) no Hoare annotation was computed. [2019-10-13 21:23:02,320 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 945 953) no Hoare annotation was computed. [2019-10-13 21:23:02,320 INFO L446 ceAbstractionStarter]: At program point L437(line 437) the Hoare annotation is: true [2019-10-13 21:23:02,320 INFO L446 ceAbstractionStarter]: At program point L435(lines 435 441) the Hoare annotation is: true [2019-10-13 21:23:02,320 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 421 447) the Hoare annotation is: true [2019-10-13 21:23:02,321 INFO L446 ceAbstractionStarter]: At program point L430(line 430) the Hoare annotation is: true [2019-10-13 21:23:02,321 INFO L443 ceAbstractionStarter]: For program point L428(lines 424 446) no Hoare annotation was computed. [2019-10-13 21:23:02,321 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 421 447) no Hoare annotation was computed. [2019-10-13 21:23:02,321 INFO L443 ceAbstractionStarter]: For program point L426(lines 424 446) no Hoare annotation was computed. [2019-10-13 21:23:02,321 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 421 447) no Hoare annotation was computed. [2019-10-13 21:23:02,322 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 802 831) no Hoare annotation was computed. [2019-10-13 21:23:02,322 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 802 831) the Hoare annotation is: true [2019-10-13 21:23:02,322 INFO L446 ceAbstractionStarter]: At program point L827(lines 802 831) the Hoare annotation is: true [2019-10-13 21:23:02,322 INFO L443 ceAbstractionStarter]: For program point L823(line 823) no Hoare annotation was computed. [2019-10-13 21:23:02,323 INFO L443 ceAbstractionStarter]: For program point L816(lines 816 820) no Hoare annotation was computed. [2019-10-13 21:23:02,323 INFO L446 ceAbstractionStarter]: At program point L816-1(lines 816 820) the Hoare annotation is: true [2019-10-13 21:23:02,323 INFO L443 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2019-10-13 21:23:02,323 INFO L446 ceAbstractionStarter]: At program point L812-2(lines 812 826) the Hoare annotation is: true [2019-10-13 21:23:02,323 INFO L446 ceAbstractionStarter]: At program point L808(line 808) the Hoare annotation is: true [2019-10-13 21:23:02,323 INFO L443 ceAbstractionStarter]: For program point L808-1(line 808) no Hoare annotation was computed. [2019-10-13 21:23:02,323 INFO L443 ceAbstractionStarter]: For program point L913-1(lines 909 920) no Hoare annotation was computed. [2019-10-13 21:23:02,323 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 909 920) the Hoare annotation is: true [2019-10-13 21:23:02,324 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 909 920) no Hoare annotation was computed. [2019-10-13 21:23:02,324 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 856 862) no Hoare annotation was computed. [2019-10-13 21:23:02,324 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 856 862) the Hoare annotation is: true [2019-10-13 21:23:02,324 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:23:02,324 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-13 21:23:02,325 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:23:02,325 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:23:02,325 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 456 480) the Hoare annotation is: true [2019-10-13 21:23:02,325 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 456 480) no Hoare annotation was computed. [2019-10-13 21:23:02,325 INFO L446 ceAbstractionStarter]: At program point L475(line 475) the Hoare annotation is: true [2019-10-13 21:23:02,325 INFO L443 ceAbstractionStarter]: For program point L475-1(lines 456 480) no Hoare annotation was computed. [2019-10-13 21:23:02,326 INFO L446 ceAbstractionStarter]: At program point L470(line 470) the Hoare annotation is: true [2019-10-13 21:23:02,326 INFO L446 ceAbstractionStarter]: At program point L466(line 466) the Hoare annotation is: true [2019-10-13 21:23:02,326 INFO L443 ceAbstractionStarter]: For program point L464(lines 464 472) no Hoare annotation was computed. [2019-10-13 21:23:02,326 INFO L446 ceAbstractionStarter]: At program point L462(line 462) the Hoare annotation is: true [2019-10-13 21:23:02,326 INFO L443 ceAbstractionStarter]: For program point L462-1(line 462) no Hoare annotation was computed. [2019-10-13 21:23:02,327 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 477) no Hoare annotation was computed. [2019-10-13 21:23:02,327 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 921 932) no Hoare annotation was computed. [2019-10-13 21:23:02,327 INFO L443 ceAbstractionStarter]: For program point L925-1(lines 921 932) no Hoare annotation was computed. [2019-10-13 21:23:02,327 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 921 932) the Hoare annotation is: true [2019-10-13 21:23:02,327 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 898 905) no Hoare annotation was computed. [2019-10-13 21:23:02,328 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 902) no Hoare annotation was computed. [2019-10-13 21:23:02,328 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 898 905) the Hoare annotation is: true [2019-10-13 21:23:02,328 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 898 905) no Hoare annotation was computed. [2019-10-13 21:23:02,328 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 482 506) no Hoare annotation was computed. [2019-10-13 21:23:02,328 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 482 506) the Hoare annotation is: true [2019-10-13 21:23:02,328 INFO L446 ceAbstractionStarter]: At program point L501(line 501) the Hoare annotation is: true [2019-10-13 21:23:02,328 INFO L443 ceAbstractionStarter]: For program point L501-1(lines 482 506) no Hoare annotation was computed. [2019-10-13 21:23:02,329 INFO L446 ceAbstractionStarter]: At program point L496(line 496) the Hoare annotation is: true [2019-10-13 21:23:02,329 INFO L446 ceAbstractionStarter]: At program point L492(line 492) the Hoare annotation is: true [2019-10-13 21:23:02,329 INFO L443 ceAbstractionStarter]: For program point L490(lines 490 498) no Hoare annotation was computed. [2019-10-13 21:23:02,329 INFO L446 ceAbstractionStarter]: At program point L488(line 488) the Hoare annotation is: true [2019-10-13 21:23:02,329 INFO L443 ceAbstractionStarter]: For program point L488-1(line 488) no Hoare annotation was computed. [2019-10-13 21:23:02,329 INFO L443 ceAbstractionStarter]: For program point L486(lines 486 503) no Hoare annotation was computed. [2019-10-13 21:23:02,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:23:02 BoogieIcfgContainer [2019-10-13 21:23:02,347 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:23:02,350 INFO L168 Benchmark]: Toolchain (without parser) took 9637.15 ms. Allocated memory was 138.4 MB in the beginning and 358.1 MB in the end (delta: 219.7 MB). Free memory was 102.3 MB in the beginning and 280.8 MB in the end (delta: -178.5 MB). Peak memory consumption was 196.2 MB. Max. memory is 7.1 GB. [2019-10-13 21:23:02,351 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 121.7 MB in the beginning and 121.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-13 21:23:02,352 INFO L168 Benchmark]: CACSL2BoogieTranslator took 714.70 ms. Allocated memory was 138.4 MB in the beginning and 201.3 MB in the end (delta: 62.9 MB). Free memory was 102.1 MB in the beginning and 165.3 MB in the end (delta: -63.2 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2019-10-13 21:23:02,359 INFO L168 Benchmark]: Boogie Preprocessor took 81.86 ms. Allocated memory is still 201.3 MB. Free memory was 165.3 MB in the beginning and 160.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-10-13 21:23:02,360 INFO L168 Benchmark]: RCFGBuilder took 1240.17 ms. Allocated memory was 201.3 MB in the beginning and 234.9 MB in the end (delta: 33.6 MB). Free memory was 160.6 MB in the beginning and 187.4 MB in the end (delta: -26.9 MB). Peak memory consumption was 78.4 MB. Max. memory is 7.1 GB. [2019-10-13 21:23:02,361 INFO L168 Benchmark]: TraceAbstraction took 7595.72 ms. Allocated memory was 234.9 MB in the beginning and 358.1 MB in the end (delta: 123.2 MB). Free memory was 187.4 MB in the beginning and 280.8 MB in the end (delta: -93.3 MB). Peak memory consumption was 184.9 MB. Max. memory is 7.1 GB. [2019-10-13 21:23:02,374 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 138.4 MB. Free memory was 121.7 MB in the beginning and 121.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 714.70 ms. Allocated memory was 138.4 MB in the beginning and 201.3 MB in the end (delta: 62.9 MB). Free memory was 102.1 MB in the beginning and 165.3 MB in the end (delta: -63.2 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 81.86 ms. Allocated memory is still 201.3 MB. Free memory was 165.3 MB in the beginning and 160.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1240.17 ms. Allocated memory was 201.3 MB in the beginning and 234.9 MB in the end (delta: 33.6 MB). Free memory was 160.6 MB in the beginning and 187.4 MB in the end (delta: -26.9 MB). Peak memory consumption was 78.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7595.72 ms. Allocated memory was 234.9 MB in the beginning and 358.1 MB in the end (delta: 123.2 MB). Free memory was 187.4 MB in the beginning and 280.8 MB in the end (delta: -93.3 MB). Peak memory consumption was 184.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 902]: 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: 802]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 255 locations, 1 error locations. Result: SAFE, OverallTime: 7.5s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 1750 SDtfs, 1213 SDslu, 3479 SDs, 0 SdLazy, 1921 SolverSat, 422 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 285 GetRequests, 228 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=816occurred 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: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 124 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 1085 PreInvPairs, 1087 NumberOfFragments, 79 HoareAnnotationTreeSize, 1085 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 69 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1127 NumberOfCodeBlocks, 1127 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1293 ConstructedInterpolants, 0 QuantifiedInterpolants, 280878 SizeOfPredicates, 4 NumberOfNonLiveVariables, 964 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 130/165 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 156, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.8022598870056498, AVG_WEAKENED_CONJUNCTS: 0.0, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...