java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product59.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:22:56,219 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:22:56,222 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:22:56,238 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:22:56,239 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:22:56,240 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:22:56,241 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:22:56,243 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:22:56,245 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:22:56,246 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:22:56,247 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:22:56,248 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:22:56,249 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:22:56,250 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:22:56,251 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:22:56,252 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:22:56,253 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:22:56,254 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:22:56,256 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:22:56,259 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:22:56,263 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:22:56,265 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:22:56,266 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:22:56,269 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:22:56,274 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:22:56,274 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:22:56,274 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:22:56,276 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:22:56,276 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:22:56,279 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:22:56,279 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:22:56,282 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:22:56,282 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:22:56,283 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:22:56,288 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:22:56,288 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:22:56,290 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:22:56,290 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:22:56,291 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:22:56,293 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:22:56,296 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:22:56,299 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 21:22:56,322 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:22:56,323 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:22:56,325 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:22:56,325 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:22:56,325 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:22:56,326 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:22:56,326 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:22:56,326 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:22:56,326 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:22:56,326 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:22:56,328 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:22:56,328 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:22:56,328 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:22:56,329 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:22:56,329 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:22:56,329 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:22:56,329 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:22:56,329 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:22:56,330 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:22:56,330 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:22:56,330 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:22:56,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:22:56,331 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:22:56,331 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:22:56,331 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:22:56,331 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:22:56,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:22:56,332 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:22:56,332 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 21:22:56,626 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:22:56,640 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:22:56,644 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:22:56,645 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:22:56,646 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:22:56,646 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product59.cil.c [2019-10-13 21:22:56,726 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/435b8bfce/73873803fd7e4af29e29d8eeefdc74bd/FLAG758fee782 [2019-10-13 21:22:57,241 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:22:57,242 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product59.cil.c [2019-10-13 21:22:57,258 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/435b8bfce/73873803fd7e4af29e29d8eeefdc74bd/FLAG758fee782 [2019-10-13 21:22:57,675 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/435b8bfce/73873803fd7e4af29e29d8eeefdc74bd [2019-10-13 21:22:57,684 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:22:57,686 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:22:57,687 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:22:57,687 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:22:57,691 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:22:57,692 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:57" (1/1) ... [2019-10-13 21:22:57,695 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39aa9343 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:57, skipping insertion in model container [2019-10-13 21:22:57,695 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:57" (1/1) ... [2019-10-13 21:22:57,703 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:22:57,760 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:22:58,309 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:58,339 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:22:58,441 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:58,483 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:22:58,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:58 WrapperNode [2019-10-13 21:22:58,484 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:22:58,485 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:22:58,485 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:22:58,486 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:22:58,500 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:58" (1/1) ... [2019-10-13 21:22:58,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:58" (1/1) ... [2019-10-13 21:22:58,527 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:58" (1/1) ... [2019-10-13 21:22:58,528 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:58" (1/1) ... [2019-10-13 21:22:58,556 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:58" (1/1) ... [2019-10-13 21:22:58,566 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:58" (1/1) ... [2019-10-13 21:22:58,571 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:58" (1/1) ... [2019-10-13 21:22:58,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:22:58,580 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:22:58,581 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:22:58,581 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:22:58,582 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:58" (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 21:22:58,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:22:58,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:22:58,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:58,679 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:22:58,679 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:22:58,680 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:22:58,680 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:22:58,680 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:22:58,681 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:22:58,681 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 21:22:58,682 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 21:22:58,682 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:22:58,682 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:22:58,683 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:22:58,683 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:22:58,683 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:22:58,686 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 21:22:58,687 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:22:58,687 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:22:58,687 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:22:58,687 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:22:58,688 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:22:58,688 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 21:22:58,688 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 21:22:58,688 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 21:22:58,688 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:58,688 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:58,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:58,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:22:58,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:22:58,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:22:58,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:22:58,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-13 21:22:58,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-13 21:22:58,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-13 21:22:58,691 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:22:58,691 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:22:58,691 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:22:58,691 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:22:58,692 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:22:58,692 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:22:58,692 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:22:58,692 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:22:58,693 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:22:58,693 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:22:58,693 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:22:58,693 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:22:58,693 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:22:58,694 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:22:58,694 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:22:58,694 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:22:58,694 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:22:58,694 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:22:58,695 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 21:22:58,695 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 21:22:58,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:22:58,695 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 21:22:58,695 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:22:58,695 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:22:58,696 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:22:58,696 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:22:58,696 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:22:58,696 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:22:58,697 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:22:58,697 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-13 21:22:58,697 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-13 21:22:58,697 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:22:58,698 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:22:58,698 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 21:22:58,698 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:22:58,698 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 21:22:58,698 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 21:22:58,698 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:22:58,699 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:22:58,699 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:22:58,699 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:22:58,700 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:58,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:22:58,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:22:58,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:22:58,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:22:58,701 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:58,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:22:58,701 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:58,702 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:58,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:22:58,703 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:22:58,704 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:22:58,704 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:22:58,705 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:22:58,705 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-13 21:22:58,705 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:22:58,705 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:22:58,705 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:22:58,706 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:22:58,706 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:22:58,706 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:22:58,706 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:22:58,706 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:22:58,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:22:58,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:22:58,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:23:00,046 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:23:00,047 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:23:00,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:23:00 BoogieIcfgContainer [2019-10-13 21:23:00,049 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:23:00,050 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:23:00,051 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:23:00,054 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:23:00,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:22:57" (1/3) ... [2019-10-13 21:23:00,055 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22dd3b98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:23:00, skipping insertion in model container [2019-10-13 21:23:00,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:58" (2/3) ... [2019-10-13 21:23:00,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22dd3b98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:23:00, skipping insertion in model container [2019-10-13 21:23:00,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:23:00" (3/3) ... [2019-10-13 21:23:00,059 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product59.cil.c [2019-10-13 21:23:00,069 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:23:00,078 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:23:00,089 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:23:00,125 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:23:00,125 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:23:00,125 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:23:00,125 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:23:00,126 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:23:00,126 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:23:00,126 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:23:00,126 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:23:00,151 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states. [2019-10-13 21:23:00,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-13 21:23:00,161 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:00,162 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 21:23:00,164 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:00,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:00,171 INFO L82 PathProgramCache]: Analyzing trace with hash 1133755032, now seen corresponding path program 1 times [2019-10-13 21:23:00,181 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:00,181 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266681281] [2019-10-13 21:23:00,182 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:00,182 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:00,182 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:00,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:00,608 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 21:23:00,609 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266681281] [2019-10-13 21:23:00,610 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:23:00,610 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:23:00,611 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992018675] [2019-10-13 21:23:00,628 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:23:00,630 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:00,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:23:00,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:23:00,648 INFO L87 Difference]: Start difference. First operand 202 states. Second operand 2 states. [2019-10-13 21:23:00,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:00,696 INFO L93 Difference]: Finished difference Result 314 states and 385 transitions. [2019-10-13 21:23:00,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:23:00,698 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-10-13 21:23:00,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:00,711 INFO L225 Difference]: With dead ends: 314 [2019-10-13 21:23:00,711 INFO L226 Difference]: Without dead ends: 159 [2019-10-13 21:23:00,716 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 21:23:00,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2019-10-13 21:23:00,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2019-10-13 21:23:00,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2019-10-13 21:23:00,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 186 transitions. [2019-10-13 21:23:00,778 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 186 transitions. Word has length 59 [2019-10-13 21:23:00,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:00,779 INFO L462 AbstractCegarLoop]: Abstraction has 159 states and 186 transitions. [2019-10-13 21:23:00,779 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:23:00,779 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 186 transitions. [2019-10-13 21:23:00,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-13 21:23:00,783 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:00,784 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:23:00,784 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:00,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:00,785 INFO L82 PathProgramCache]: Analyzing trace with hash -138893135, now seen corresponding path program 1 times [2019-10-13 21:23:00,785 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:00,785 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433031405] [2019-10-13 21:23:00,785 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:00,785 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:00,786 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:00,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:00,941 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 21:23:00,942 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433031405] [2019-10-13 21:23:00,942 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:23:00,942 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:23:00,942 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074303306] [2019-10-13 21:23:00,944 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:23:00,945 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:00,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:23:00,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:23:00,945 INFO L87 Difference]: Start difference. First operand 159 states and 186 transitions. Second operand 3 states. [2019-10-13 21:23:00,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:00,975 INFO L93 Difference]: Finished difference Result 257 states and 299 transitions. [2019-10-13 21:23:00,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:23:00,975 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-10-13 21:23:00,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:00,979 INFO L225 Difference]: With dead ends: 257 [2019-10-13 21:23:00,980 INFO L226 Difference]: Without dead ends: 150 [2019-10-13 21:23:00,983 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 21:23:00,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2019-10-13 21:23:00,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2019-10-13 21:23:00,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-10-13 21:23:01,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 174 transitions. [2019-10-13 21:23:01,002 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 174 transitions. Word has length 60 [2019-10-13 21:23:01,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:01,002 INFO L462 AbstractCegarLoop]: Abstraction has 150 states and 174 transitions. [2019-10-13 21:23:01,002 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:23:01,002 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 174 transitions. [2019-10-13 21:23:01,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-13 21:23:01,005 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:01,005 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 21:23:01,006 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:01,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:01,006 INFO L82 PathProgramCache]: Analyzing trace with hash 1740604635, now seen corresponding path program 1 times [2019-10-13 21:23:01,006 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:01,007 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111010910] [2019-10-13 21:23:01,007 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:01,007 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:01,007 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:01,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:01,200 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 21:23:01,201 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111010910] [2019-10-13 21:23:01,201 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:23:01,201 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:23:01,201 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84178238] [2019-10-13 21:23:01,202 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:23:01,202 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:01,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:23:01,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:23:01,203 INFO L87 Difference]: Start difference. First operand 150 states and 174 transitions. Second operand 7 states. [2019-10-13 21:23:01,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:01,852 INFO L93 Difference]: Finished difference Result 450 states and 540 transitions. [2019-10-13 21:23:01,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:23:01,852 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2019-10-13 21:23:01,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:01,861 INFO L225 Difference]: With dead ends: 450 [2019-10-13 21:23:01,863 INFO L226 Difference]: Without dead ends: 328 [2019-10-13 21:23:01,864 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:23:01,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2019-10-13 21:23:01,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 320. [2019-10-13 21:23:01,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2019-10-13 21:23:01,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 384 transitions. [2019-10-13 21:23:01,925 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 384 transitions. Word has length 64 [2019-10-13 21:23:01,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:01,925 INFO L462 AbstractCegarLoop]: Abstraction has 320 states and 384 transitions. [2019-10-13 21:23:01,926 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:23:01,926 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 384 transitions. [2019-10-13 21:23:01,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-13 21:23:01,930 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:01,930 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:23:01,930 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:01,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:01,931 INFO L82 PathProgramCache]: Analyzing trace with hash 659595443, now seen corresponding path program 1 times [2019-10-13 21:23:01,931 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:01,931 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056504241] [2019-10-13 21:23:01,931 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:01,932 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:01,932 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:01,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:02,056 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 21:23:02,057 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056504241] [2019-10-13 21:23:02,057 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:23:02,057 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:23:02,058 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058095036] [2019-10-13 21:23:02,058 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:23:02,058 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:02,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:23:02,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:23:02,059 INFO L87 Difference]: Start difference. First operand 320 states and 384 transitions. Second operand 7 states. [2019-10-13 21:23:02,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:02,969 INFO L93 Difference]: Finished difference Result 795 states and 1022 transitions. [2019-10-13 21:23:02,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 21:23:02,970 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2019-10-13 21:23:02,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:02,976 INFO L225 Difference]: With dead ends: 795 [2019-10-13 21:23:02,976 INFO L226 Difference]: Without dead ends: 503 [2019-10-13 21:23:02,978 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-13 21:23:02,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2019-10-13 21:23:03,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 450. [2019-10-13 21:23:03,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 450 states. [2019-10-13 21:23:03,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 539 transitions. [2019-10-13 21:23:03,023 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 539 transitions. Word has length 70 [2019-10-13 21:23:03,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:03,023 INFO L462 AbstractCegarLoop]: Abstraction has 450 states and 539 transitions. [2019-10-13 21:23:03,024 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:23:03,024 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 539 transitions. [2019-10-13 21:23:03,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-10-13 21:23:03,028 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:03,029 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:23:03,029 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:03,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:03,029 INFO L82 PathProgramCache]: Analyzing trace with hash -73914297, now seen corresponding path program 1 times [2019-10-13 21:23:03,030 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:03,030 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431901245] [2019-10-13 21:23:03,030 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:03,030 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:03,030 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:03,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:03,162 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 21:23:03,162 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431901245] [2019-10-13 21:23:03,162 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:23:03,163 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:23:03,163 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963923272] [2019-10-13 21:23:03,165 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:23:03,165 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:03,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:23:03,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:23:03,166 INFO L87 Difference]: Start difference. First operand 450 states and 539 transitions. Second operand 6 states. [2019-10-13 21:23:03,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:03,216 INFO L93 Difference]: Finished difference Result 886 states and 1094 transitions. [2019-10-13 21:23:03,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:23:03,217 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 107 [2019-10-13 21:23:03,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:03,221 INFO L225 Difference]: With dead ends: 886 [2019-10-13 21:23:03,221 INFO L226 Difference]: Without dead ends: 464 [2019-10-13 21:23:03,223 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 21:23:03,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2019-10-13 21:23:03,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 460. [2019-10-13 21:23:03,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 460 states. [2019-10-13 21:23:03,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 549 transitions. [2019-10-13 21:23:03,255 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 549 transitions. Word has length 107 [2019-10-13 21:23:03,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:03,256 INFO L462 AbstractCegarLoop]: Abstraction has 460 states and 549 transitions. [2019-10-13 21:23:03,256 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:23:03,256 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 549 transitions. [2019-10-13 21:23:03,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-10-13 21:23:03,259 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:03,259 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:23:03,259 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:03,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:03,260 INFO L82 PathProgramCache]: Analyzing trace with hash 1854358405, now seen corresponding path program 1 times [2019-10-13 21:23:03,260 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:03,260 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102482491] [2019-10-13 21:23:03,260 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:03,260 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:03,261 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:03,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:03,375 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 21:23:03,376 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102482491] [2019-10-13 21:23:03,376 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:23:03,376 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 21:23:03,376 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247275945] [2019-10-13 21:23:03,377 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:23:03,377 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:03,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:23:03,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:23:03,378 INFO L87 Difference]: Start difference. First operand 460 states and 549 transitions. Second operand 8 states. [2019-10-13 21:23:03,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:03,439 INFO L93 Difference]: Finished difference Result 906 states and 1114 transitions. [2019-10-13 21:23:03,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:23:03,439 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 107 [2019-10-13 21:23:03,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:03,443 INFO L225 Difference]: With dead ends: 906 [2019-10-13 21:23:03,443 INFO L226 Difference]: Without dead ends: 474 [2019-10-13 21:23:03,445 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 21:23:03,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2019-10-13 21:23:03,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 468. [2019-10-13 21:23:03,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2019-10-13 21:23:03,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 557 transitions. [2019-10-13 21:23:03,473 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 557 transitions. Word has length 107 [2019-10-13 21:23:03,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:03,474 INFO L462 AbstractCegarLoop]: Abstraction has 468 states and 557 transitions. [2019-10-13 21:23:03,474 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:23:03,474 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 557 transitions. [2019-10-13 21:23:03,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-10-13 21:23:03,476 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:03,477 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:23:03,477 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:03,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:03,477 INFO L82 PathProgramCache]: Analyzing trace with hash 1613818276, now seen corresponding path program 1 times [2019-10-13 21:23:03,478 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:03,478 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384662452] [2019-10-13 21:23:03,478 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:03,478 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:03,478 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:03,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:03,590 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 21:23:03,591 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384662452] [2019-10-13 21:23:03,591 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:23:03,591 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:23:03,591 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095874999] [2019-10-13 21:23:03,592 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:23:03,592 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:03,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:23:03,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:23:03,593 INFO L87 Difference]: Start difference. First operand 468 states and 557 transitions. Second operand 4 states. [2019-10-13 21:23:03,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:03,870 INFO L93 Difference]: Finished difference Result 1456 states and 1818 transitions. [2019-10-13 21:23:03,871 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 21:23:03,871 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 107 [2019-10-13 21:23:03,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:03,877 INFO L225 Difference]: With dead ends: 1456 [2019-10-13 21:23:03,878 INFO L226 Difference]: Without dead ends: 1016 [2019-10-13 21:23:03,880 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:23:03,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1016 states. [2019-10-13 21:23:03,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1016 to 999. [2019-10-13 21:23:03,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 999 states. [2019-10-13 21:23:03,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1224 transitions. [2019-10-13 21:23:03,948 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1224 transitions. Word has length 107 [2019-10-13 21:23:03,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:03,948 INFO L462 AbstractCegarLoop]: Abstraction has 999 states and 1224 transitions. [2019-10-13 21:23:03,948 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:23:03,949 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1224 transitions. [2019-10-13 21:23:03,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-10-13 21:23:03,952 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:03,952 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:23:03,953 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:03,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:03,953 INFO L82 PathProgramCache]: Analyzing trace with hash 608509898, now seen corresponding path program 1 times [2019-10-13 21:23:03,953 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:03,953 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814829170] [2019-10-13 21:23:03,954 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:03,954 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:03,954 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:03,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:04,102 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 21:23:04,103 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814829170] [2019-10-13 21:23:04,103 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:23:04,103 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 21:23:04,103 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782636134] [2019-10-13 21:23:04,104 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 21:23:04,104 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:04,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 21:23:04,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:23:04,105 INFO L87 Difference]: Start difference. First operand 999 states and 1224 transitions. Second operand 9 states. [2019-10-13 21:23:05,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:05,396 INFO L93 Difference]: Finished difference Result 2742 states and 3516 transitions. [2019-10-13 21:23:05,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-13 21:23:05,396 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 111 [2019-10-13 21:23:05,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:05,410 INFO L225 Difference]: With dead ends: 2742 [2019-10-13 21:23:05,410 INFO L226 Difference]: Without dead ends: 1953 [2019-10-13 21:23:05,415 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 21:23:05,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1953 states. [2019-10-13 21:23:05,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1953 to 1728. [2019-10-13 21:23:05,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1728 states. [2019-10-13 21:23:05,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1728 states to 1728 states and 2083 transitions. [2019-10-13 21:23:05,553 INFO L78 Accepts]: Start accepts. Automaton has 1728 states and 2083 transitions. Word has length 111 [2019-10-13 21:23:05,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:05,556 INFO L462 AbstractCegarLoop]: Abstraction has 1728 states and 2083 transitions. [2019-10-13 21:23:05,556 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 21:23:05,556 INFO L276 IsEmpty]: Start isEmpty. Operand 1728 states and 2083 transitions. [2019-10-13 21:23:05,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-10-13 21:23:05,561 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:05,561 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:23:05,562 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:05,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:05,562 INFO L82 PathProgramCache]: Analyzing trace with hash 866799866, now seen corresponding path program 1 times [2019-10-13 21:23:05,562 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:05,563 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56691973] [2019-10-13 21:23:05,563 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:05,563 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:05,563 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:05,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:05,839 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-13 21:23:05,839 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56691973] [2019-10-13 21:23:05,841 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1003081885] [2019-10-13 21:23:05,841 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 21:23:06,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:06,104 INFO L256 TraceCheckSpWp]: Trace formula consists of 965 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-13 21:23:06,132 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:23:06,391 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:23:06,392 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:23:07,003 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-13 21:23:07,004 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [290241120] [2019-10-13 21:23:07,011 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 173 [2019-10-13 21:23:07,063 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-13 21:23:07,063 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-13 21:23:07,147 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-13 21:23:07,149 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 21:23:07,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:07,155 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-13 21:23:07,246 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-13 21:23:07,247 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-13 21:23:07,258 INFO L553 sIntCurrentIteration]: We unified 171 AI predicates to 171 [2019-10-13 21:23:07,258 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-13 21:23:07,259 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-13 21:23:07,259 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11, 7, 7] total 19 [2019-10-13 21:23:07,259 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552229990] [2019-10-13 21:23:07,262 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:23:07,263 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:07,264 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-13 21:23:07,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:23:07,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:23:07,264 INFO L87 Difference]: Start difference. First operand 1728 states and 2083 transitions. Second operand 2 states. [2019-10-13 21:23:07,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:07,300 INFO L93 Difference]: Finished difference Result 1728 states and 2083 transitions. [2019-10-13 21:23:07,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:23:07,300 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 172 [2019-10-13 21:23:07,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:07,301 INFO L225 Difference]: With dead ends: 1728 [2019-10-13 21:23:07,301 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:23:07,306 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:23:07,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:23:07,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:23:07,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:23:07,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:23:07,307 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 172 [2019-10-13 21:23:07,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:07,307 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:23:07,307 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:23:07,308 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:23:07,308 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:23:07,513 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:23:07,518 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:23:07,921 INFO L443 ceAbstractionStarter]: For program point L543(lines 543 547) no Hoare annotation was computed. [2019-10-13 21:23:07,921 INFO L443 ceAbstractionStarter]: For program point L543-1(lines 543 547) no Hoare annotation was computed. [2019-10-13 21:23:07,921 INFO L443 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2019-10-13 21:23:07,921 INFO L443 ceAbstractionStarter]: For program point L537-2(lines 537 558) no Hoare annotation was computed. [2019-10-13 21:23:07,921 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 512 567) no Hoare annotation was computed. [2019-10-13 21:23:07,921 INFO L443 ceAbstractionStarter]: For program point L559(lines 536 560) no Hoare annotation was computed. [2019-10-13 21:23:07,921 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 512 567) no Hoare annotation was computed. [2019-10-13 21:23:07,922 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 512 567) no Hoare annotation was computed. [2019-10-13 21:23:07,922 INFO L443 ceAbstractionStarter]: For program point L600(lines 600 604) no Hoare annotation was computed. [2019-10-13 21:23:07,922 INFO L443 ceAbstractionStarter]: For program point L600-1(lines 600 604) no Hoare annotation was computed. [2019-10-13 21:23:07,922 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 568 627) no Hoare annotation was computed. [2019-10-13 21:23:07,922 INFO L443 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2019-10-13 21:23:07,922 INFO L443 ceAbstractionStarter]: For program point L594-2(lines 594 619) no Hoare annotation was computed. [2019-10-13 21:23:07,923 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 568 627) no Hoare annotation was computed. [2019-10-13 21:23:07,923 INFO L443 ceAbstractionStarter]: For program point L620(lines 593 621) no Hoare annotation was computed. [2019-10-13 21:23:07,923 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 568 627) no Hoare annotation was computed. [2019-10-13 21:23:07,923 INFO L443 ceAbstractionStarter]: For program point L613(line 613) no Hoare annotation was computed. [2019-10-13 21:23:07,923 INFO L443 ceAbstractionStarter]: For program point L613-1(line 613) no Hoare annotation was computed. [2019-10-13 21:23:07,923 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 1002 1008) the Hoare annotation is: true [2019-10-13 21:23:07,924 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 1002 1008) no Hoare annotation was computed. [2019-10-13 21:23:07,924 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 1009 1017) no Hoare annotation was computed. [2019-10-13 21:23:07,924 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 1009 1017) the Hoare annotation is: true [2019-10-13 21:23:07,924 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 1009 1017) no Hoare annotation was computed. [2019-10-13 21:23:07,924 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 836 843) the Hoare annotation is: true [2019-10-13 21:23:07,924 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 836 843) no Hoare annotation was computed. [2019-10-13 21:23:07,924 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 836 843) no Hoare annotation was computed. [2019-10-13 21:23:07,924 INFO L443 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2019-10-13 21:23:07,925 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 844 853) the Hoare annotation is: true [2019-10-13 21:23:07,925 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 844 853) no Hoare annotation was computed. [2019-10-13 21:23:07,925 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 844 853) no Hoare annotation was computed. [2019-10-13 21:23:07,925 INFO L446 ceAbstractionStarter]: At program point L864(line 864) the Hoare annotation is: true [2019-10-13 21:23:07,925 INFO L443 ceAbstractionStarter]: For program point L864-1(line 864) no Hoare annotation was computed. [2019-10-13 21:23:07,928 INFO L443 ceAbstractionStarter]: For program point L862(lines 862 879) no Hoare annotation was computed. [2019-10-13 21:23:07,928 INFO L443 ceAbstractionStarter]: For program point L862-1(lines 854 882) no Hoare annotation was computed. [2019-10-13 21:23:07,928 INFO L446 ceAbstractionStarter]: At program point L860(line 860) the Hoare annotation is: true [2019-10-13 21:23:07,928 INFO L443 ceAbstractionStarter]: For program point L860-1(line 860) no Hoare annotation was computed. [2019-10-13 21:23:07,928 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 854 882) the Hoare annotation is: true [2019-10-13 21:23:07,928 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 854 882) no Hoare annotation was computed. [2019-10-13 21:23:07,929 INFO L446 ceAbstractionStarter]: At program point L869(line 869) the Hoare annotation is: true [2019-10-13 21:23:07,929 INFO L443 ceAbstractionStarter]: For program point L867(lines 867 873) no Hoare annotation was computed. [2019-10-13 21:23:07,929 INFO L443 ceAbstractionStarter]: For program point L866(lines 866 876) no Hoare annotation was computed. [2019-10-13 21:23:07,929 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 960 982) the Hoare annotation is: true [2019-10-13 21:23:07,929 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 960 982) no Hoare annotation was computed. [2019-10-13 21:23:07,929 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 960 982) no Hoare annotation was computed. [2019-10-13 21:23:07,929 INFO L446 ceAbstractionStarter]: At program point L972(line 972) the Hoare annotation is: true [2019-10-13 21:23:07,929 INFO L446 ceAbstractionStarter]: At program point L972-1(line 972) the Hoare annotation is: true [2019-10-13 21:23:07,929 INFO L443 ceAbstractionStarter]: For program point L970(lines 970 977) no Hoare annotation was computed. [2019-10-13 21:23:07,930 INFO L443 ceAbstractionStarter]: For program point L970-1(lines 970 977) no Hoare annotation was computed. [2019-10-13 21:23:07,930 INFO L443 ceAbstractionStarter]: For program point L968(line 968) no Hoare annotation was computed. [2019-10-13 21:23:07,930 INFO L446 ceAbstractionStarter]: At program point L967(line 967) the Hoare annotation is: true [2019-10-13 21:23:07,930 INFO L446 ceAbstractionStarter]: At program point L966(line 966) the Hoare annotation is: true [2019-10-13 21:23:07,930 INFO L446 ceAbstractionStarter]: At program point L966-1(line 966) the Hoare annotation is: true [2019-10-13 21:23:07,930 INFO L443 ceAbstractionStarter]: For program point L929(line 929) no Hoare annotation was computed. [2019-10-13 21:23:07,930 INFO L443 ceAbstractionStarter]: For program point L928(line 928) no Hoare annotation was computed. [2019-10-13 21:23:07,930 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 915 938) no Hoare annotation was computed. [2019-10-13 21:23:07,931 INFO L443 ceAbstractionStarter]: For program point L927(line 927) no Hoare annotation was computed. [2019-10-13 21:23:07,931 INFO L443 ceAbstractionStarter]: For program point L926(line 926) no Hoare annotation was computed. [2019-10-13 21:23:07,931 INFO L443 ceAbstractionStarter]: For program point L925(line 925) no Hoare annotation was computed. [2019-10-13 21:23:07,931 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 915 938) no Hoare annotation was computed. [2019-10-13 21:23:07,931 INFO L443 ceAbstractionStarter]: For program point L924(line 924) no Hoare annotation was computed. [2019-10-13 21:23:07,931 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 915 938) no Hoare annotation was computed. [2019-10-13 21:23:07,931 INFO L443 ceAbstractionStarter]: For program point L923(line 923) no Hoare annotation was computed. [2019-10-13 21:23:07,931 INFO L443 ceAbstractionStarter]: For program point L922(line 922) no Hoare annotation was computed. [2019-10-13 21:23:07,931 INFO L443 ceAbstractionStarter]: For program point L921(line 921) no Hoare annotation was computed. [2019-10-13 21:23:07,931 INFO L443 ceAbstractionStarter]: For program point L920(line 920) no Hoare annotation was computed. [2019-10-13 21:23:07,932 INFO L443 ceAbstractionStarter]: For program point L933(line 933) no Hoare annotation was computed. [2019-10-13 21:23:07,932 INFO L443 ceAbstractionStarter]: For program point L932(line 932) no Hoare annotation was computed. [2019-10-13 21:23:07,932 INFO L443 ceAbstractionStarter]: For program point L931(line 931) no Hoare annotation was computed. [2019-10-13 21:23:07,932 INFO L443 ceAbstractionStarter]: For program point L930(line 930) no Hoare annotation was computed. [2019-10-13 21:23:07,932 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 444 458) no Hoare annotation was computed. [2019-10-13 21:23:07,932 INFO L443 ceAbstractionStarter]: For program point L448(lines 448 454) no Hoare annotation was computed. [2019-10-13 21:23:07,932 INFO L446 ceAbstractionStarter]: At program point stopSystemENTRY(lines 444 458) the Hoare annotation is: true [2019-10-13 21:23:07,933 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 444 458) no Hoare annotation was computed. [2019-10-13 21:23:07,933 INFO L446 ceAbstractionStarter]: At program point L450(line 450) the Hoare annotation is: true [2019-10-13 21:23:07,933 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 361 369) no Hoare annotation was computed. [2019-10-13 21:23:07,933 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 361 369) the Hoare annotation is: true [2019-10-13 21:23:07,933 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 361 369) no Hoare annotation was computed. [2019-10-13 21:23:07,933 INFO L446 ceAbstractionStarter]: At program point L432(line 432) the Hoare annotation is: true [2019-10-13 21:23:07,933 INFO L443 ceAbstractionStarter]: For program point L434-2(lines 434 438) no Hoare annotation was computed. [2019-10-13 21:23:07,933 INFO L443 ceAbstractionStarter]: For program point L432-1(line 432) no Hoare annotation was computed. [2019-10-13 21:23:07,933 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 425 443) the Hoare annotation is: true [2019-10-13 21:23:07,934 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 425 443) no Hoare annotation was computed. [2019-10-13 21:23:07,934 INFO L443 ceAbstractionStarter]: For program point L434(lines 434 438) no Hoare annotation was computed. [2019-10-13 21:23:07,934 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 425 443) no Hoare annotation was computed. [2019-10-13 21:23:07,934 INFO L443 ceAbstractionStarter]: For program point L377(lines 377 385) no Hoare annotation was computed. [2019-10-13 21:23:07,934 INFO L443 ceAbstractionStarter]: For program point L377-2(lines 377 385) no Hoare annotation was computed. [2019-10-13 21:23:07,934 INFO L443 ceAbstractionStarter]: For program point L400(line 400) no Hoare annotation was computed. [2019-10-13 21:23:07,934 INFO L443 ceAbstractionStarter]: For program point L400-1(line 400) no Hoare annotation was computed. [2019-10-13 21:23:07,934 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 370 405) no Hoare annotation was computed. [2019-10-13 21:23:07,934 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 370 405) no Hoare annotation was computed. [2019-10-13 21:23:07,935 INFO L443 ceAbstractionStarter]: For program point L389(lines 389 397) no Hoare annotation was computed. [2019-10-13 21:23:07,935 INFO L443 ceAbstractionStarter]: For program point L389-2(lines 389 397) no Hoare annotation was computed. [2019-10-13 21:23:07,935 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 370 405) no Hoare annotation was computed. [2019-10-13 21:23:07,935 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 995 1001) no Hoare annotation was computed. [2019-10-13 21:23:07,935 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 995 1001) the Hoare annotation is: true [2019-10-13 21:23:07,935 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 466 511) no Hoare annotation was computed. [2019-10-13 21:23:07,935 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 466 511) no Hoare annotation was computed. [2019-10-13 21:23:07,935 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 466 511) no Hoare annotation was computed. [2019-10-13 21:23:07,936 INFO L443 ceAbstractionStarter]: For program point L799(lines 799 806) no Hoare annotation was computed. [2019-10-13 21:23:07,936 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 779 824) no Hoare annotation was computed. [2019-10-13 21:23:07,936 INFO L443 ceAbstractionStarter]: For program point L793(lines 793 813) no Hoare annotation was computed. [2019-10-13 21:23:07,936 INFO L443 ceAbstractionStarter]: For program point L793-1(lines 793 813) no Hoare annotation was computed. [2019-10-13 21:23:07,936 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 779 824) no Hoare annotation was computed. [2019-10-13 21:23:07,936 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 779 824) no Hoare annotation was computed. [2019-10-13 21:23:07,936 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 946 956) the Hoare annotation is: true [2019-10-13 21:23:07,936 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 946 956) no Hoare annotation was computed. [2019-10-13 21:23:07,936 INFO L446 ceAbstractionStarter]: At program point L951(line 951) the Hoare annotation is: true [2019-10-13 21:23:07,937 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 946 956) no Hoare annotation was computed. [2019-10-13 21:23:07,937 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 350 360) the Hoare annotation is: true [2019-10-13 21:23:07,937 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 350 360) no Hoare annotation was computed. [2019-10-13 21:23:07,937 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 350 360) no Hoare annotation was computed. [2019-10-13 21:23:07,937 INFO L446 ceAbstractionStarter]: At program point L355(line 355) the Hoare annotation is: true [2019-10-13 21:23:07,937 INFO L443 ceAbstractionStarter]: For program point L355-1(line 355) no Hoare annotation was computed. [2019-10-13 21:23:07,937 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 342 349) the Hoare annotation is: true [2019-10-13 21:23:07,937 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 342 349) no Hoare annotation was computed. [2019-10-13 21:23:07,937 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 342 349) no Hoare annotation was computed. [2019-10-13 21:23:07,938 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2019-10-13 21:23:07,938 INFO L443 ceAbstractionStarter]: For program point L131(lines 131 137) no Hoare annotation was computed. [2019-10-13 21:23:07,938 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2019-10-13 21:23:07,938 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2019-10-13 21:23:07,938 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 291 315) no Hoare annotation was computed. [2019-10-13 21:23:07,938 INFO L446 ceAbstractionStarter]: At program point L310(line 310) the Hoare annotation is: true [2019-10-13 21:23:07,938 INFO L443 ceAbstractionStarter]: For program point L310-1(lines 291 315) no Hoare annotation was computed. [2019-10-13 21:23:07,938 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 291 315) the Hoare annotation is: true [2019-10-13 21:23:07,938 INFO L446 ceAbstractionStarter]: At program point L305(line 305) the Hoare annotation is: true [2019-10-13 21:23:07,939 INFO L446 ceAbstractionStarter]: At program point L301(line 301) the Hoare annotation is: true [2019-10-13 21:23:07,939 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 307) no Hoare annotation was computed. [2019-10-13 21:23:07,939 INFO L446 ceAbstractionStarter]: At program point L297(line 297) the Hoare annotation is: true [2019-10-13 21:23:07,939 INFO L443 ceAbstractionStarter]: For program point L297-1(line 297) no Hoare annotation was computed. [2019-10-13 21:23:07,939 INFO L443 ceAbstractionStarter]: For program point L295(lines 295 312) no Hoare annotation was computed. [2019-10-13 21:23:07,939 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 257 263) no Hoare annotation was computed. [2019-10-13 21:23:07,939 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 257 263) the Hoare annotation is: true [2019-10-13 21:23:07,939 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 154 219) the Hoare annotation is: true [2019-10-13 21:23:07,939 INFO L446 ceAbstractionStarter]: At program point L186(line 186) the Hoare annotation is: true [2019-10-13 21:23:07,940 INFO L443 ceAbstractionStarter]: For program point L184(lines 184 190) no Hoare annotation was computed. [2019-10-13 21:23:07,940 INFO L443 ceAbstractionStarter]: For program point L184-1(lines 184 190) no Hoare annotation was computed. [2019-10-13 21:23:07,940 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 154 219) no Hoare annotation was computed. [2019-10-13 21:23:07,940 INFO L446 ceAbstractionStarter]: At program point L209(lines 164 211) the Hoare annotation is: true [2019-10-13 21:23:07,940 INFO L446 ceAbstractionStarter]: At program point L176(line 176) the Hoare annotation is: true [2019-10-13 21:23:07,940 INFO L443 ceAbstractionStarter]: For program point L174(lines 174 180) no Hoare annotation was computed. [2019-10-13 21:23:07,940 INFO L443 ceAbstractionStarter]: For program point L174-1(lines 174 180) no Hoare annotation was computed. [2019-10-13 21:23:07,940 INFO L443 ceAbstractionStarter]: For program point L166(lines 166 170) no Hoare annotation was computed. [2019-10-13 21:23:07,940 INFO L446 ceAbstractionStarter]: At program point L212(lines 163 213) the Hoare annotation is: true [2019-10-13 21:23:07,941 INFO L446 ceAbstractionStarter]: At program point L202(line 202) the Hoare annotation is: true [2019-10-13 21:23:07,941 INFO L443 ceAbstractionStarter]: For program point L200(lines 200 206) no Hoare annotation was computed. [2019-10-13 21:23:07,941 INFO L446 ceAbstractionStarter]: At program point L200-1(lines 194 207) the Hoare annotation is: true [2019-10-13 21:23:07,941 INFO L443 ceAbstractionStarter]: For program point L165(lines 164 211) no Hoare annotation was computed. [2019-10-13 21:23:07,941 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 154 219) no Hoare annotation was computed. [2019-10-13 21:23:07,941 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 207) no Hoare annotation was computed. [2019-10-13 21:23:07,941 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 733 778) no Hoare annotation was computed. [2019-10-13 21:23:07,942 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 733 778) no Hoare annotation was computed. [2019-10-13 21:23:07,942 INFO L443 ceAbstractionStarter]: For program point L753(lines 753 760) no Hoare annotation was computed. [2019-10-13 21:23:07,942 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 733 778) no Hoare annotation was computed. [2019-10-13 21:23:07,942 INFO L443 ceAbstractionStarter]: For program point L747(lines 747 767) no Hoare annotation was computed. [2019-10-13 21:23:07,942 INFO L443 ceAbstractionStarter]: For program point L747-1(lines 747 767) no Hoare annotation was computed. [2019-10-13 21:23:07,942 INFO L446 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 316 323) the Hoare annotation is: true [2019-10-13 21:23:07,942 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 316 323) no Hoare annotation was computed. [2019-10-13 21:23:07,942 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 316 323) no Hoare annotation was computed. [2019-10-13 21:23:07,942 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2019-10-13 21:23:07,943 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2019-10-13 21:23:07,943 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2019-10-13 21:23:07,943 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 95 117) no Hoare annotation was computed. [2019-10-13 21:23:07,943 INFO L443 ceAbstractionStarter]: For program point L103(lines 103 111) no Hoare annotation was computed. [2019-10-13 21:23:07,943 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 95 117) no Hoare annotation was computed. [2019-10-13 21:23:07,943 INFO L443 ceAbstractionStarter]: For program point L103-2(lines 103 111) no Hoare annotation was computed. [2019-10-13 21:23:07,944 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 95 117) no Hoare annotation was computed. [2019-10-13 21:23:07,944 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 630 732) no Hoare annotation was computed. [2019-10-13 21:23:07,944 INFO L443 ceAbstractionStarter]: For program point L700(lines 678 701) no Hoare annotation was computed. [2019-10-13 21:23:07,944 INFO L443 ceAbstractionStarter]: For program point L659(lines 659 675) no Hoare annotation was computed. [2019-10-13 21:23:07,944 INFO L443 ceAbstractionStarter]: For program point L719(lines 719 726) no Hoare annotation was computed. [2019-10-13 21:23:07,944 INFO L443 ceAbstractionStarter]: For program point L680(lines 679 699) no Hoare annotation was computed. [2019-10-13 21:23:07,945 INFO L443 ceAbstractionStarter]: For program point L711(line 711) no Hoare annotation was computed. [2019-10-13 21:23:07,945 INFO L443 ceAbstractionStarter]: For program point L711-1(line 711) no Hoare annotation was computed. [2019-10-13 21:23:07,945 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 630 732) no Hoare annotation was computed. [2019-10-13 21:23:07,945 INFO L443 ceAbstractionStarter]: For program point L676(lines 676 717) no Hoare annotation was computed. [2019-10-13 21:23:07,945 INFO L443 ceAbstractionStarter]: For program point L695(line 695) no Hoare annotation was computed. [2019-10-13 21:23:07,945 INFO L443 ceAbstractionStarter]: For program point L695-1(line 695) no Hoare annotation was computed. [2019-10-13 21:23:07,945 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 630 732) no Hoare annotation was computed. [2019-10-13 21:23:07,945 INFO L443 ceAbstractionStarter]: For program point L654(lines 654 658) no Hoare annotation was computed. [2019-10-13 21:23:07,946 INFO L443 ceAbstractionStarter]: For program point L718(lines 718 729) no Hoare annotation was computed. [2019-10-13 21:23:07,946 INFO L443 ceAbstractionStarter]: For program point L681(lines 681 685) no Hoare annotation was computed. [2019-10-13 21:23:07,946 INFO L443 ceAbstractionStarter]: For program point L679-2(lines 679 699) no Hoare annotation was computed. [2019-10-13 21:23:07,946 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 985 994) no Hoare annotation was computed. [2019-10-13 21:23:07,946 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 985 994) no Hoare annotation was computed. [2019-10-13 21:23:07,946 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 985 994) no Hoare annotation was computed. [2019-10-13 21:23:07,947 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:23:07,947 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 21:23:07,947 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:23:07,948 INFO L446 ceAbstractionStarter]: At program point L336(line 336) the Hoare annotation is: true [2019-10-13 21:23:07,948 INFO L443 ceAbstractionStarter]: For program point L336-1(lines 325 341) no Hoare annotation was computed. [2019-10-13 21:23:07,948 INFO L443 ceAbstractionStarter]: For program point L332(lines 332 338) no Hoare annotation was computed. [2019-10-13 21:23:07,948 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 325 341) no Hoare annotation was computed. [2019-10-13 21:23:07,948 INFO L446 ceAbstractionStarter]: At program point L330(line 330) the Hoare annotation is: true [2019-10-13 21:23:07,948 INFO L443 ceAbstractionStarter]: For program point L330-1(line 330) no Hoare annotation was computed. [2019-10-13 21:23:07,948 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 325 341) the Hoare annotation is: true [2019-10-13 21:23:07,949 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 118 126) the Hoare annotation is: true [2019-10-13 21:23:07,949 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2019-10-13 21:23:07,949 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2019-10-13 21:23:07,949 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 406 424) no Hoare annotation was computed. [2019-10-13 21:23:07,949 INFO L443 ceAbstractionStarter]: For program point L415(lines 415 419) no Hoare annotation was computed. [2019-10-13 21:23:07,949 INFO L446 ceAbstractionStarter]: At program point L413(line 413) the Hoare annotation is: true [2019-10-13 21:23:07,949 INFO L443 ceAbstractionStarter]: For program point L415-2(lines 415 419) no Hoare annotation was computed. [2019-10-13 21:23:07,949 INFO L443 ceAbstractionStarter]: For program point L413-1(line 413) no Hoare annotation was computed. [2019-10-13 21:23:07,950 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 406 424) the Hoare annotation is: true [2019-10-13 21:23:07,950 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 406 424) no Hoare annotation was computed. [2019-10-13 21:23:07,950 INFO L443 ceAbstractionStarter]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2019-10-13 21:23:07,950 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: true [2019-10-13 21:23:07,950 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2019-10-13 21:23:07,950 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:23:07,951 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:23:07,951 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:23:07,951 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2019-10-13 21:23:07,952 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2019-10-13 21:23:07,952 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2019-10-13 21:23:07,952 INFO L446 ceAbstractionStarter]: At program point L246(line 246) the Hoare annotation is: true [2019-10-13 21:23:07,952 INFO L446 ceAbstractionStarter]: At program point L244(lines 244 250) the Hoare annotation is: true [2019-10-13 21:23:07,952 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 230 256) the Hoare annotation is: true [2019-10-13 21:23:07,952 INFO L446 ceAbstractionStarter]: At program point L239(line 239) the Hoare annotation is: true [2019-10-13 21:23:07,952 INFO L443 ceAbstractionStarter]: For program point L237(lines 233 255) no Hoare annotation was computed. [2019-10-13 21:23:07,953 INFO L443 ceAbstractionStarter]: For program point L235(lines 233 255) no Hoare annotation was computed. [2019-10-13 21:23:07,953 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 230 256) no Hoare annotation was computed. [2019-10-13 21:23:07,953 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 230 256) no Hoare annotation was computed. [2019-10-13 21:23:07,953 INFO L443 ceAbstractionStarter]: For program point L896(line 896) no Hoare annotation was computed. [2019-10-13 21:23:07,953 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 885 914) no Hoare annotation was computed. [2019-10-13 21:23:07,953 INFO L446 ceAbstractionStarter]: At program point L895-2(lines 895 909) the Hoare annotation is: true [2019-10-13 21:23:07,953 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 885 914) the Hoare annotation is: true [2019-10-13 21:23:07,954 INFO L446 ceAbstractionStarter]: At program point L891(line 891) the Hoare annotation is: true [2019-10-13 21:23:07,954 INFO L443 ceAbstractionStarter]: For program point L891-1(line 891) no Hoare annotation was computed. [2019-10-13 21:23:07,954 INFO L446 ceAbstractionStarter]: At program point L910(lines 885 914) the Hoare annotation is: true [2019-10-13 21:23:07,954 INFO L443 ceAbstractionStarter]: For program point L906(line 906) no Hoare annotation was computed. [2019-10-13 21:23:07,954 INFO L443 ceAbstractionStarter]: For program point L899(lines 899 903) no Hoare annotation was computed. [2019-10-13 21:23:07,954 INFO L446 ceAbstractionStarter]: At program point L899-1(lines 899 903) the Hoare annotation is: true [2019-10-13 21:23:07,955 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: true [2019-10-13 21:23:07,955 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2019-10-13 21:23:07,955 INFO L443 ceAbstractionStarter]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2019-10-13 21:23:07,955 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 939 945) no Hoare annotation was computed. [2019-10-13 21:23:07,955 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 939 945) the Hoare annotation is: true [2019-10-13 21:23:07,955 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:23:07,955 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-13 21:23:07,956 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:23:07,956 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:23:07,956 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 265 289) the Hoare annotation is: true [2019-10-13 21:23:07,956 INFO L446 ceAbstractionStarter]: At program point L284(line 284) the Hoare annotation is: true [2019-10-13 21:23:07,956 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 265 289) no Hoare annotation was computed. [2019-10-13 21:23:07,956 INFO L443 ceAbstractionStarter]: For program point L284-1(lines 265 289) no Hoare annotation was computed. [2019-10-13 21:23:07,956 INFO L446 ceAbstractionStarter]: At program point L279(line 279) the Hoare annotation is: true [2019-10-13 21:23:07,956 INFO L446 ceAbstractionStarter]: At program point L275(line 275) the Hoare annotation is: true [2019-10-13 21:23:07,957 INFO L443 ceAbstractionStarter]: For program point L273(lines 273 281) no Hoare annotation was computed. [2019-10-13 21:23:07,957 INFO L446 ceAbstractionStarter]: At program point L271(line 271) the Hoare annotation is: true [2019-10-13 21:23:07,957 INFO L443 ceAbstractionStarter]: For program point L271-1(line 271) no Hoare annotation was computed. [2019-10-13 21:23:07,957 INFO L443 ceAbstractionStarter]: For program point L269(lines 269 286) no Hoare annotation was computed. [2019-10-13 21:23:07,957 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2019-10-13 21:23:07,957 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2019-10-13 21:23:07,957 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: true [2019-10-13 21:23:07,957 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 826 833) no Hoare annotation was computed. [2019-10-13 21:23:07,959 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 830) no Hoare annotation was computed. [2019-10-13 21:23:07,959 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 826 833) the Hoare annotation is: true [2019-10-13 21:23:07,959 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 826 833) no Hoare annotation was computed. [2019-10-13 21:23:07,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:23:07 BoogieIcfgContainer [2019-10-13 21:23:07,975 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:23:07,978 INFO L168 Benchmark]: Toolchain (without parser) took 10290.78 ms. Allocated memory was 136.8 MB in the beginning and 363.3 MB in the end (delta: 226.5 MB). Free memory was 100.7 MB in the beginning and 184.5 MB in the end (delta: -83.8 MB). Peak memory consumption was 142.7 MB. Max. memory is 7.1 GB. [2019-10-13 21:23:07,979 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 136.8 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-13 21:23:07,980 INFO L168 Benchmark]: CACSL2BoogieTranslator took 797.93 ms. Allocated memory was 136.8 MB in the beginning and 200.3 MB in the end (delta: 63.4 MB). Free memory was 100.5 MB in the beginning and 165.7 MB in the end (delta: -65.2 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2019-10-13 21:23:07,981 INFO L168 Benchmark]: Boogie Preprocessor took 94.71 ms. Allocated memory is still 200.3 MB. Free memory was 165.7 MB in the beginning and 161.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-13 21:23:07,985 INFO L168 Benchmark]: RCFGBuilder took 1468.44 ms. Allocated memory was 200.3 MB in the beginning and 230.7 MB in the end (delta: 30.4 MB). Free memory was 160.9 MB in the beginning and 190.1 MB in the end (delta: -29.2 MB). Peak memory consumption was 83.0 MB. Max. memory is 7.1 GB. [2019-10-13 21:23:07,985 INFO L168 Benchmark]: TraceAbstraction took 7924.52 ms. Allocated memory was 230.7 MB in the beginning and 363.3 MB in the end (delta: 132.6 MB). Free memory was 188.6 MB in the beginning and 184.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 136.8 MB. Max. memory is 7.1 GB. [2019-10-13 21:23:07,995 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 136.8 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 797.93 ms. Allocated memory was 136.8 MB in the beginning and 200.3 MB in the end (delta: 63.4 MB). Free memory was 100.5 MB in the beginning and 165.7 MB in the end (delta: -65.2 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.71 ms. Allocated memory is still 200.3 MB. Free memory was 165.7 MB in the beginning and 161.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1468.44 ms. Allocated memory was 200.3 MB in the beginning and 230.7 MB in the end (delta: 30.4 MB). Free memory was 160.9 MB in the beginning and 190.1 MB in the end (delta: -29.2 MB). Peak memory consumption was 83.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7924.52 ms. Allocated memory was 230.7 MB in the beginning and 363.3 MB in the end (delta: 132.6 MB). Free memory was 188.6 MB in the beginning and 184.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 136.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 830]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 885]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 258 locations, 1 error locations. Result: SAFE, OverallTime: 7.8s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 1623 SDtfs, 1258 SDslu, 3615 SDs, 0 SdLazy, 1810 SolverSat, 377 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 258 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1728occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 313 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 70 LocationsWithAnnotation, 1785 PreInvPairs, 1786 NumberOfFragments, 80 HoareAnnotationTreeSize, 1785 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 70 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1029 NumberOfCodeBlocks, 1029 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1190 ConstructedInterpolants, 0 QuantifiedInterpolants, 250994 SizeOfPredicates, 4 NumberOfNonLiveVariables, 965 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 121/150 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 144, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.8245614035087719, AVG_WEAKENED_CONJUNCTS: 0.0, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...