/usr/bin/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_product42.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 01:03:01,113 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 01:03:01,115 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 01:03:01,128 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 01:03:01,128 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 01:03:01,129 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 01:03:01,131 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 01:03:01,132 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 01:03:01,134 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 01:03:01,135 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 01:03:01,136 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 01:03:01,137 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 01:03:01,138 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 01:03:01,139 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 01:03:01,140 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 01:03:01,141 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 01:03:01,142 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 01:03:01,143 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 01:03:01,145 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 01:03:01,147 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 01:03:01,148 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 01:03:01,149 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 01:03:01,151 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 01:03:01,151 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 01:03:01,154 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 01:03:01,154 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 01:03:01,154 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 01:03:01,155 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 01:03:01,156 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 01:03:01,157 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 01:03:01,157 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 01:03:01,158 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 01:03:01,159 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 01:03:01,160 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 01:03:01,161 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 01:03:01,161 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 01:03:01,162 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 01:03:01,162 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 01:03:01,162 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 01:03:01,163 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 01:03:01,164 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 01:03:01,165 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 [2019-11-07 01:03:01,179 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 01:03:01,179 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 01:03:01,180 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 01:03:01,180 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 01:03:01,181 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 01:03:01,181 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 01:03:01,181 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 01:03:01,181 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 01:03:01,181 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 01:03:01,182 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 01:03:01,182 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 01:03:01,182 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 01:03:01,182 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 01:03:01,183 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 01:03:01,183 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 01:03:01,183 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 01:03:01,183 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 01:03:01,183 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 01:03:01,184 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 01:03:01,184 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 01:03:01,184 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 01:03:01,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 01:03:01,184 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 01:03:01,184 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 01:03:01,185 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 01:03:01,185 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 01:03:01,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 01:03:01,185 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 01:03:01,185 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 [2019-11-07 01:03:01,454 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 01:03:01,469 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 01:03:01,475 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 01:03:01,476 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 01:03:01,477 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 01:03:01,477 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product42.cil.c [2019-11-07 01:03:01,551 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65132f491/ada908536bb0499285272a22c9d64450/FLAGda7fb8a75 [2019-11-07 01:03:02,101 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 01:03:02,102 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product42.cil.c [2019-11-07 01:03:02,114 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65132f491/ada908536bb0499285272a22c9d64450/FLAGda7fb8a75 [2019-11-07 01:03:02,357 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65132f491/ada908536bb0499285272a22c9d64450 [2019-11-07 01:03:02,366 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 01:03:02,367 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 01:03:02,368 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 01:03:02,368 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 01:03:02,372 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 01:03:02,373 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:03:02" (1/1) ... [2019-11-07 01:03:02,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c25fe17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:02, skipping insertion in model container [2019-11-07 01:03:02,376 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:03:02" (1/1) ... [2019-11-07 01:03:02,384 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 01:03:02,434 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 01:03:02,914 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:03:02,941 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 01:03:03,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:03:03,074 INFO L192 MainTranslator]: Completed translation [2019-11-07 01:03:03,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:03 WrapperNode [2019-11-07 01:03:03,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 01:03:03,075 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 01:03:03,076 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 01:03:03,076 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 01:03:03,089 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:03" (1/1) ... [2019-11-07 01:03:03,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:03" (1/1) ... [2019-11-07 01:03:03,113 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:03" (1/1) ... [2019-11-07 01:03:03,113 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:03" (1/1) ... [2019-11-07 01:03:03,168 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:03" (1/1) ... [2019-11-07 01:03:03,183 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:03" (1/1) ... [2019-11-07 01:03:03,189 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:03" (1/1) ... [2019-11-07 01:03:03,197 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 01:03:03,198 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 01:03:03,198 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 01:03:03,198 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 01:03:03,199 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 01:03:03,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 01:03:03,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 01:03:03,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 01:03:03,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-11-07 01:03:03,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-11-07 01:03:03,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-11-07 01:03:03,285 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 01:03:03,285 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 01:03:03,285 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 01:03:03,285 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 01:03:03,285 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 01:03:03,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 01:03:03,286 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 01:03:03,286 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 01:03:03,286 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 01:03:03,286 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 01:03:03,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 01:03:03,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 01:03:03,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 01:03:03,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 01:03:03,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 01:03:03,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 01:03:03,290 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 01:03:03,290 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 01:03:03,290 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 01:03:03,290 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 01:03:03,290 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 01:03:03,290 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 01:03:03,291 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-11-07 01:03:03,291 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 01:03:03,291 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 01:03:03,291 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 01:03:03,291 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 01:03:03,291 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-11-07 01:03:03,292 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 01:03:03,292 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 01:03:03,292 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 01:03:03,292 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 01:03:03,293 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 01:03:03,293 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-11-07 01:03:03,293 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-11-07 01:03:03,293 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 01:03:03,294 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 01:03:03,294 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 01:03:03,294 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 01:03:03,294 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 01:03:03,294 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 01:03:03,295 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-11-07 01:03:03,295 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-11-07 01:03:03,295 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-11-07 01:03:03,295 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 01:03:03,295 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 01:03:03,296 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 01:03:03,296 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 01:03:03,296 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 01:03:03,296 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 01:03:03,296 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 01:03:03,296 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 01:03:03,297 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 01:03:03,297 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 01:03:03,297 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 01:03:03,297 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 01:03:03,297 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 01:03:03,298 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 01:03:03,298 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 01:03:03,298 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 01:03:03,298 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 01:03:03,299 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 01:03:03,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 01:03:03,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 01:03:03,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 01:03:03,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 01:03:03,299 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 01:03:03,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 01:03:03,301 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 01:03:03,301 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 01:03:03,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 01:03:03,301 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 01:03:03,301 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 01:03:03,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 01:03:03,302 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 01:03:03,302 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 01:03:03,303 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 01:03:03,303 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 01:03:03,303 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-11-07 01:03:03,304 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-11-07 01:03:03,304 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 01:03:03,305 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 01:03:03,306 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 01:03:03,306 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 01:03:03,306 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-11-07 01:03:03,306 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-11-07 01:03:03,306 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 01:03:03,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 01:03:03,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 01:03:03,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 01:03:04,690 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 01:03:04,690 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 01:03:04,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:03:04 BoogieIcfgContainer [2019-11-07 01:03:04,694 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 01:03:04,695 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 01:03:04,695 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 01:03:04,699 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 01:03:04,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:03:02" (1/3) ... [2019-11-07 01:03:04,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dff8525 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:03:04, skipping insertion in model container [2019-11-07 01:03:04,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:03" (2/3) ... [2019-11-07 01:03:04,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dff8525 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:03:04, skipping insertion in model container [2019-11-07 01:03:04,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:03:04" (3/3) ... [2019-11-07 01:03:04,705 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product42.cil.c [2019-11-07 01:03:04,716 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 01:03:04,725 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 01:03:04,738 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 01:03:04,767 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 01:03:04,767 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 01:03:04,768 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 01:03:04,768 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 01:03:04,768 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 01:03:04,768 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 01:03:04,768 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 01:03:04,769 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 01:03:04,792 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2019-11-07 01:03:04,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-07 01:03:04,802 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:03:04,804 INFO L410 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] [2019-11-07 01:03:04,806 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:03:04,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:03:04,811 INFO L82 PathProgramCache]: Analyzing trace with hash -318385319, now seen corresponding path program 1 times [2019-11-07 01:03:04,822 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:03:04,822 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411162793] [2019-11-07 01:03:04,822 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:03:05,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:03:05,228 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:03:05,229 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411162793] [2019-11-07 01:03:05,231 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:03:05,231 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 01:03:05,233 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276775880] [2019-11-07 01:03:05,243 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 01:03:05,249 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:03:05,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 01:03:05,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 01:03:05,265 INFO L87 Difference]: Start difference. First operand 177 states. Second operand 2 states. [2019-11-07 01:03:05,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:03:05,350 INFO L93 Difference]: Finished difference Result 264 states and 323 transitions. [2019-11-07 01:03:05,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 01:03:05,358 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-11-07 01:03:05,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:03:05,387 INFO L225 Difference]: With dead ends: 264 [2019-11-07 01:03:05,387 INFO L226 Difference]: Without dead ends: 134 [2019-11-07 01:03:05,393 INFO L630 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 [2019-11-07 01:03:05,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2019-11-07 01:03:05,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2019-11-07 01:03:05,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-11-07 01:03:05,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 155 transitions. [2019-11-07 01:03:05,462 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 155 transitions. Word has length 59 [2019-11-07 01:03:05,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:03:05,462 INFO L462 AbstractCegarLoop]: Abstraction has 134 states and 155 transitions. [2019-11-07 01:03:05,463 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 01:03:05,463 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 155 transitions. [2019-11-07 01:03:05,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-07 01:03:05,467 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:03:05,467 INFO L410 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] [2019-11-07 01:03:05,467 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:03:05,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:03:05,468 INFO L82 PathProgramCache]: Analyzing trace with hash -1634844471, now seen corresponding path program 1 times [2019-11-07 01:03:05,468 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:03:05,468 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215484286] [2019-11-07 01:03:05,468 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:03:05,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:03:05,597 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:03:05,598 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215484286] [2019-11-07 01:03:05,598 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:03:05,598 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 01:03:05,599 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431674657] [2019-11-07 01:03:05,601 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 01:03:05,601 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:03:05,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 01:03:05,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 01:03:05,602 INFO L87 Difference]: Start difference. First operand 134 states and 155 transitions. Second operand 3 states. [2019-11-07 01:03:05,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:03:05,640 INFO L93 Difference]: Finished difference Result 209 states and 241 transitions. [2019-11-07 01:03:05,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 01:03:05,641 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-11-07 01:03:05,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:03:05,648 INFO L225 Difference]: With dead ends: 209 [2019-11-07 01:03:05,648 INFO L226 Difference]: Without dead ends: 125 [2019-11-07 01:03:05,651 INFO L630 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 [2019-11-07 01:03:05,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-11-07 01:03:05,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2019-11-07 01:03:05,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-11-07 01:03:05,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 143 transitions. [2019-11-07 01:03:05,681 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 143 transitions. Word has length 60 [2019-11-07 01:03:05,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:03:05,683 INFO L462 AbstractCegarLoop]: Abstraction has 125 states and 143 transitions. [2019-11-07 01:03:05,683 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 01:03:05,683 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 143 transitions. [2019-11-07 01:03:05,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-07 01:03:05,688 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:03:05,688 INFO L410 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] [2019-11-07 01:03:05,691 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:03:05,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:03:05,692 INFO L82 PathProgramCache]: Analyzing trace with hash -1075077358, now seen corresponding path program 1 times [2019-11-07 01:03:05,692 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:03:05,692 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485777768] [2019-11-07 01:03:05,692 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:03:05,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:03:05,914 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:03:05,915 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485777768] [2019-11-07 01:03:05,915 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:03:05,915 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 01:03:05,915 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889952731] [2019-11-07 01:03:05,916 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 01:03:05,916 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:03:05,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 01:03:05,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-07 01:03:05,917 INFO L87 Difference]: Start difference. First operand 125 states and 143 transitions. Second operand 7 states. [2019-11-07 01:03:06,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:03:06,282 INFO L93 Difference]: Finished difference Result 222 states and 259 transitions. [2019-11-07 01:03:06,282 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 01:03:06,283 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2019-11-07 01:03:06,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:03:06,285 INFO L225 Difference]: With dead ends: 222 [2019-11-07 01:03:06,285 INFO L226 Difference]: Without dead ends: 125 [2019-11-07 01:03:06,286 INFO L630 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 [2019-11-07 01:03:06,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-11-07 01:03:06,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2019-11-07 01:03:06,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-11-07 01:03:06,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 142 transitions. [2019-11-07 01:03:06,300 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 142 transitions. Word has length 65 [2019-11-07 01:03:06,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:03:06,302 INFO L462 AbstractCegarLoop]: Abstraction has 125 states and 142 transitions. [2019-11-07 01:03:06,302 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 01:03:06,302 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 142 transitions. [2019-11-07 01:03:06,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-11-07 01:03:06,305 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:03:06,305 INFO L410 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] [2019-11-07 01:03:06,306 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:03:06,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:03:06,306 INFO L82 PathProgramCache]: Analyzing trace with hash 1759456211, now seen corresponding path program 1 times [2019-11-07 01:03:06,306 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:03:06,307 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223127391] [2019-11-07 01:03:06,307 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:03:06,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:03:06,420 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:03:06,421 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223127391] [2019-11-07 01:03:06,421 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:03:06,421 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 01:03:06,422 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402519189] [2019-11-07 01:03:06,422 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 01:03:06,422 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:03:06,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 01:03:06,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 01:03:06,423 INFO L87 Difference]: Start difference. First operand 125 states and 142 transitions. Second operand 5 states. [2019-11-07 01:03:06,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:03:06,931 INFO L93 Difference]: Finished difference Result 319 states and 381 transitions. [2019-11-07 01:03:06,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 01:03:06,932 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2019-11-07 01:03:06,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:03:06,934 INFO L225 Difference]: With dead ends: 319 [2019-11-07 01:03:06,935 INFO L226 Difference]: Without dead ends: 222 [2019-11-07 01:03:06,936 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-07 01:03:06,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2019-11-07 01:03:06,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 203. [2019-11-07 01:03:06,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2019-11-07 01:03:06,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 233 transitions. [2019-11-07 01:03:06,957 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 233 transitions. Word has length 73 [2019-11-07 01:03:06,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:03:06,957 INFO L462 AbstractCegarLoop]: Abstraction has 203 states and 233 transitions. [2019-11-07 01:03:06,957 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 01:03:06,958 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 233 transitions. [2019-11-07 01:03:06,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-11-07 01:03:06,959 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:03:06,959 INFO L410 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] [2019-11-07 01:03:06,959 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:03:06,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:03:06,960 INFO L82 PathProgramCache]: Analyzing trace with hash -1988493165, now seen corresponding path program 1 times [2019-11-07 01:03:06,960 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:03:06,960 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273005762] [2019-11-07 01:03:06,960 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:03:06,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:03:07,157 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-07 01:03:07,158 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273005762] [2019-11-07 01:03:07,158 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:03:07,159 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 01:03:07,159 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095549277] [2019-11-07 01:03:07,159 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 01:03:07,160 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:03:07,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 01:03:07,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-07 01:03:07,161 INFO L87 Difference]: Start difference. First operand 203 states and 233 transitions. Second operand 7 states. [2019-11-07 01:03:07,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:03:07,819 INFO L93 Difference]: Finished difference Result 396 states and 468 transitions. [2019-11-07 01:03:07,819 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-07 01:03:07,819 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 87 [2019-11-07 01:03:07,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:03:07,822 INFO L225 Difference]: With dead ends: 396 [2019-11-07 01:03:07,823 INFO L226 Difference]: Without dead ends: 221 [2019-11-07 01:03:07,824 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-11-07 01:03:07,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2019-11-07 01:03:07,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 202. [2019-11-07 01:03:07,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2019-11-07 01:03:07,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 230 transitions. [2019-11-07 01:03:07,840 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 230 transitions. Word has length 87 [2019-11-07 01:03:07,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:03:07,841 INFO L462 AbstractCegarLoop]: Abstraction has 202 states and 230 transitions. [2019-11-07 01:03:07,841 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 01:03:07,841 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 230 transitions. [2019-11-07 01:03:07,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-11-07 01:03:07,843 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:03:07,843 INFO L410 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] [2019-11-07 01:03:07,843 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:03:07,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:03:07,843 INFO L82 PathProgramCache]: Analyzing trace with hash 1941251357, now seen corresponding path program 1 times [2019-11-07 01:03:07,844 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:03:07,844 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123707659] [2019-11-07 01:03:07,844 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:03:07,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:03:07,912 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:03:07,913 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123707659] [2019-11-07 01:03:07,913 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:03:07,913 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 01:03:07,913 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360612959] [2019-11-07 01:03:07,914 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 01:03:07,914 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:03:07,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 01:03:07,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 01:03:07,915 INFO L87 Difference]: Start difference. First operand 202 states and 230 transitions. Second operand 6 states. [2019-11-07 01:03:07,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:03:07,949 INFO L93 Difference]: Finished difference Result 383 states and 446 transitions. [2019-11-07 01:03:07,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 01:03:07,950 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2019-11-07 01:03:07,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:03:07,953 INFO L225 Difference]: With dead ends: 383 [2019-11-07 01:03:07,953 INFO L226 Difference]: Without dead ends: 209 [2019-11-07 01:03:07,954 INFO L630 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 [2019-11-07 01:03:07,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2019-11-07 01:03:07,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 207. [2019-11-07 01:03:07,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2019-11-07 01:03:07,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 235 transitions. [2019-11-07 01:03:07,969 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 235 transitions. Word has length 103 [2019-11-07 01:03:07,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:03:07,970 INFO L462 AbstractCegarLoop]: Abstraction has 207 states and 235 transitions. [2019-11-07 01:03:07,970 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 01:03:07,970 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 235 transitions. [2019-11-07 01:03:07,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-11-07 01:03:07,971 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:03:07,972 INFO L410 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] [2019-11-07 01:03:07,972 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:03:07,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:03:07,972 INFO L82 PathProgramCache]: Analyzing trace with hash -108136485, now seen corresponding path program 1 times [2019-11-07 01:03:07,972 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:03:07,973 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471902115] [2019-11-07 01:03:07,973 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:03:07,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:03:08,127 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:03:08,127 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471902115] [2019-11-07 01:03:08,128 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:03:08,128 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-07 01:03:08,128 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699901918] [2019-11-07 01:03:08,129 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-07 01:03:08,129 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:03:08,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-07 01:03:08,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-07 01:03:08,129 INFO L87 Difference]: Start difference. First operand 207 states and 235 transitions. Second operand 8 states. [2019-11-07 01:03:08,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:03:08,170 INFO L93 Difference]: Finished difference Result 393 states and 457 transitions. [2019-11-07 01:03:08,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 01:03:08,171 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2019-11-07 01:03:08,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:03:08,173 INFO L225 Difference]: With dead ends: 393 [2019-11-07 01:03:08,173 INFO L226 Difference]: Without dead ends: 214 [2019-11-07 01:03:08,174 INFO L630 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 [2019-11-07 01:03:08,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2019-11-07 01:03:08,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 211. [2019-11-07 01:03:08,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2019-11-07 01:03:08,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 239 transitions. [2019-11-07 01:03:08,187 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 239 transitions. Word has length 103 [2019-11-07 01:03:08,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:03:08,188 INFO L462 AbstractCegarLoop]: Abstraction has 211 states and 239 transitions. [2019-11-07 01:03:08,188 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-07 01:03:08,188 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 239 transitions. [2019-11-07 01:03:08,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-11-07 01:03:08,189 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:03:08,189 INFO L410 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] [2019-11-07 01:03:08,190 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:03:08,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:03:08,190 INFO L82 PathProgramCache]: Analyzing trace with hash 861444538, now seen corresponding path program 1 times [2019-11-07 01:03:08,190 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:03:08,191 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335422188] [2019-11-07 01:03:08,191 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:03:08,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:03:08,263 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:03:08,263 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335422188] [2019-11-07 01:03:08,263 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:03:08,263 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 01:03:08,264 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469881724] [2019-11-07 01:03:08,264 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 01:03:08,265 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:03:08,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 01:03:08,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 01:03:08,265 INFO L87 Difference]: Start difference. First operand 211 states and 239 transitions. Second operand 4 states. [2019-11-07 01:03:08,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:03:08,480 INFO L93 Difference]: Finished difference Result 596 states and 707 transitions. [2019-11-07 01:03:08,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-07 01:03:08,481 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 103 [2019-11-07 01:03:08,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:03:08,484 INFO L225 Difference]: With dead ends: 596 [2019-11-07 01:03:08,484 INFO L226 Difference]: Without dead ends: 413 [2019-11-07 01:03:08,485 INFO L630 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 [2019-11-07 01:03:08,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2019-11-07 01:03:08,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 404. [2019-11-07 01:03:08,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 404 states. [2019-11-07 01:03:08,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 469 transitions. [2019-11-07 01:03:08,513 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 469 transitions. Word has length 103 [2019-11-07 01:03:08,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:03:08,514 INFO L462 AbstractCegarLoop]: Abstraction has 404 states and 469 transitions. [2019-11-07 01:03:08,514 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 01:03:08,514 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 469 transitions. [2019-11-07 01:03:08,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-11-07 01:03:08,516 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:03:08,516 INFO L410 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] [2019-11-07 01:03:08,516 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:03:08,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:03:08,517 INFO L82 PathProgramCache]: Analyzing trace with hash 2005328992, now seen corresponding path program 1 times [2019-11-07 01:03:08,517 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:03:08,517 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140676534] [2019-11-07 01:03:08,517 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:03:08,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:03:08,656 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:03:08,657 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140676534] [2019-11-07 01:03:08,657 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:03:08,657 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-07 01:03:08,658 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754242028] [2019-11-07 01:03:08,658 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-07 01:03:08,658 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:03:08,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-07 01:03:08,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-11-07 01:03:08,659 INFO L87 Difference]: Start difference. First operand 404 states and 469 transitions. Second operand 9 states. [2019-11-07 01:03:09,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:03:09,666 INFO L93 Difference]: Finished difference Result 1073 states and 1297 transitions. [2019-11-07 01:03:09,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-07 01:03:09,667 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 107 [2019-11-07 01:03:09,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:03:09,672 INFO L225 Difference]: With dead ends: 1073 [2019-11-07 01:03:09,672 INFO L226 Difference]: Without dead ends: 764 [2019-11-07 01:03:09,674 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2019-11-07 01:03:09,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 764 states. [2019-11-07 01:03:09,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 764 to 686. [2019-11-07 01:03:09,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 686 states. [2019-11-07 01:03:09,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 787 transitions. [2019-11-07 01:03:09,716 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 787 transitions. Word has length 107 [2019-11-07 01:03:09,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:03:09,717 INFO L462 AbstractCegarLoop]: Abstraction has 686 states and 787 transitions. [2019-11-07 01:03:09,717 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-07 01:03:09,717 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 787 transitions. [2019-11-07 01:03:09,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-11-07 01:03:09,719 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:03:09,719 INFO L410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:03:09,719 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:03:09,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:03:09,720 INFO L82 PathProgramCache]: Analyzing trace with hash 2092455891, now seen corresponding path program 1 times [2019-11-07 01:03:09,720 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:03:09,720 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797285214] [2019-11-07 01:03:09,721 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:03:09,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:03:09,851 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-07 01:03:09,851 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797285214] [2019-11-07 01:03:09,851 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [14511889] [2019-11-07 01:03:09,851 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 [2019-11-07 01:03:10,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:03:10,112 INFO L256 TraceCheckSpWp]: Trace formula consists of 924 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-07 01:03:10,125 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 01:03:10,310 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:03:10,310 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 01:03:10,718 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-07 01:03:10,719 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [543163129] [2019-11-07 01:03:10,725 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 152 [2019-11-07 01:03:10,786 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-11-07 01:03:10,786 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 01:03:10,857 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-11-07 01:03:10,859 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 71 root evaluator evaluations with a maximum evaluation depth of 0. Performed 71 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 128 variables. [2019-11-07 01:03:10,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:03:10,863 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-11-07 01:03:10,919 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-11-07 01:03:10,919 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-11-07 01:03:10,924 INFO L553 sIntCurrentIteration]: We unified 150 AI predicates to 150 [2019-11-07 01:03:10,924 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-11-07 01:03:10,924 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-11-07 01:03:10,925 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11, 7, 7] total 19 [2019-11-07 01:03:10,925 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632928587] [2019-11-07 01:03:10,926 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 01:03:10,926 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:03:10,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 01:03:10,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2019-11-07 01:03:10,927 INFO L87 Difference]: Start difference. First operand 686 states and 787 transitions. Second operand 2 states. [2019-11-07 01:03:10,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:03:10,936 INFO L93 Difference]: Finished difference Result 686 states and 787 transitions. [2019-11-07 01:03:10,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 01:03:10,936 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 151 [2019-11-07 01:03:10,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:03:10,937 INFO L225 Difference]: With dead ends: 686 [2019-11-07 01:03:10,937 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 01:03:10,938 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 292 SyntacticMatches, 5 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2019-11-07 01:03:10,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 01:03:10,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 01:03:10,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 01:03:10,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 01:03:10,940 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 151 [2019-11-07 01:03:10,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:03:10,940 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 01:03:10,940 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 01:03:10,940 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 01:03:10,940 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 01:03:11,144 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:03:11,153 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 01:03:11,514 INFO L443 ceAbstractionStarter]: For program point L319(line 319) no Hoare annotation was computed. [2019-11-07 01:03:11,515 INFO L443 ceAbstractionStarter]: For program point L318-2(lines 318 339) no Hoare annotation was computed. [2019-11-07 01:03:11,515 INFO L443 ceAbstractionStarter]: For program point L340(lines 317 341) no Hoare annotation was computed. [2019-11-07 01:03:11,515 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 293 348) no Hoare annotation was computed. [2019-11-07 01:03:11,515 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 293 348) no Hoare annotation was computed. [2019-11-07 01:03:11,515 INFO L443 ceAbstractionStarter]: For program point L324(lines 324 328) no Hoare annotation was computed. [2019-11-07 01:03:11,515 INFO L443 ceAbstractionStarter]: For program point L324-1(lines 324 328) no Hoare annotation was computed. [2019-11-07 01:03:11,515 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 293 348) no Hoare annotation was computed. [2019-11-07 01:03:11,516 INFO L443 ceAbstractionStarter]: For program point L381(lines 381 385) no Hoare annotation was computed. [2019-11-07 01:03:11,516 INFO L443 ceAbstractionStarter]: For program point L381-1(lines 381 385) no Hoare annotation was computed. [2019-11-07 01:03:11,516 INFO L443 ceAbstractionStarter]: For program point L376(line 376) no Hoare annotation was computed. [2019-11-07 01:03:11,516 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 349 408) no Hoare annotation was computed. [2019-11-07 01:03:11,516 INFO L443 ceAbstractionStarter]: For program point L375-2(lines 375 400) no Hoare annotation was computed. [2019-11-07 01:03:11,516 INFO L443 ceAbstractionStarter]: For program point L401(lines 374 402) no Hoare annotation was computed. [2019-11-07 01:03:11,516 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 349 408) no Hoare annotation was computed. [2019-11-07 01:03:11,517 INFO L443 ceAbstractionStarter]: For program point L394(line 394) no Hoare annotation was computed. [2019-11-07 01:03:11,517 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 349 408) no Hoare annotation was computed. [2019-11-07 01:03:11,517 INFO L443 ceAbstractionStarter]: For program point L394-1(line 394) no Hoare annotation was computed. [2019-11-07 01:03:11,517 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 224 230) the Hoare annotation is: true [2019-11-07 01:03:11,517 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 224 230) no Hoare annotation was computed. [2019-11-07 01:03:11,518 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 231 239) no Hoare annotation was computed. [2019-11-07 01:03:11,518 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 231 239) the Hoare annotation is: true [2019-11-07 01:03:11,518 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 231 239) no Hoare annotation was computed. [2019-11-07 01:03:11,518 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: true [2019-11-07 01:03:11,518 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2019-11-07 01:03:11,518 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2019-11-07 01:03:11,518 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: true [2019-11-07 01:03:11,519 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2019-11-07 01:03:11,519 INFO L443 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2019-11-07 01:03:11,519 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 52 61) no Hoare annotation was computed. [2019-11-07 01:03:11,519 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2019-11-07 01:03:11,519 INFO L446 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: true [2019-11-07 01:03:11,519 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2019-11-07 01:03:11,519 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-11-07 01:03:11,520 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 84) no Hoare annotation was computed. [2019-11-07 01:03:11,520 INFO L446 ceAbstractionStarter]: At program point L72(line 72) the Hoare annotation is: true [2019-11-07 01:03:11,520 INFO L443 ceAbstractionStarter]: For program point L72-1(line 72) no Hoare annotation was computed. [2019-11-07 01:03:11,520 INFO L443 ceAbstractionStarter]: For program point L70(lines 70 87) no Hoare annotation was computed. [2019-11-07 01:03:11,520 INFO L443 ceAbstractionStarter]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2019-11-07 01:03:11,520 INFO L446 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: true [2019-11-07 01:03:11,520 INFO L443 ceAbstractionStarter]: For program point L68-1(line 68) no Hoare annotation was computed. [2019-11-07 01:03:11,521 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 173 195) the Hoare annotation is: true [2019-11-07 01:03:11,521 INFO L446 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: true [2019-11-07 01:03:11,521 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 173 195) no Hoare annotation was computed. [2019-11-07 01:03:11,521 INFO L446 ceAbstractionStarter]: At program point L185-1(line 185) the Hoare annotation is: true [2019-11-07 01:03:11,521 INFO L443 ceAbstractionStarter]: For program point L183(lines 183 190) no Hoare annotation was computed. [2019-11-07 01:03:11,521 INFO L443 ceAbstractionStarter]: For program point L183-1(lines 183 190) no Hoare annotation was computed. [2019-11-07 01:03:11,521 INFO L443 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-11-07 01:03:11,522 INFO L446 ceAbstractionStarter]: At program point L180(line 180) the Hoare annotation is: true [2019-11-07 01:03:11,522 INFO L446 ceAbstractionStarter]: At program point L179(line 179) the Hoare annotation is: true [2019-11-07 01:03:11,522 INFO L446 ceAbstractionStarter]: At program point L179-1(line 179) the Hoare annotation is: true [2019-11-07 01:03:11,522 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 173 195) no Hoare annotation was computed. [2019-11-07 01:03:11,522 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 127 150) no Hoare annotation was computed. [2019-11-07 01:03:11,522 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 127 150) no Hoare annotation was computed. [2019-11-07 01:03:11,522 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 127 150) no Hoare annotation was computed. [2019-11-07 01:03:11,523 INFO L443 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-11-07 01:03:11,523 INFO L443 ceAbstractionStarter]: For program point L144(line 144) no Hoare annotation was computed. [2019-11-07 01:03:11,523 INFO L443 ceAbstractionStarter]: For program point L143(line 143) no Hoare annotation was computed. [2019-11-07 01:03:11,523 INFO L443 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-11-07 01:03:11,523 INFO L443 ceAbstractionStarter]: For program point L141(line 141) no Hoare annotation was computed. [2019-11-07 01:03:11,523 INFO L443 ceAbstractionStarter]: For program point L140(line 140) no Hoare annotation was computed. [2019-11-07 01:03:11,523 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-11-07 01:03:11,523 INFO L443 ceAbstractionStarter]: For program point L138(line 138) no Hoare annotation was computed. [2019-11-07 01:03:11,524 INFO L443 ceAbstractionStarter]: For program point L137(line 137) no Hoare annotation was computed. [2019-11-07 01:03:11,524 INFO L443 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-11-07 01:03:11,524 INFO L443 ceAbstractionStarter]: For program point L135(line 135) no Hoare annotation was computed. [2019-11-07 01:03:11,524 INFO L443 ceAbstractionStarter]: For program point L134(line 134) no Hoare annotation was computed. [2019-11-07 01:03:11,524 INFO L443 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-11-07 01:03:11,524 INFO L443 ceAbstractionStarter]: For program point L132(line 132) no Hoare annotation was computed. [2019-11-07 01:03:11,524 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 883 891) no Hoare annotation was computed. [2019-11-07 01:03:11,525 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 883 891) the Hoare annotation is: true [2019-11-07 01:03:11,525 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 883 891) no Hoare annotation was computed. [2019-11-07 01:03:11,525 INFO L443 ceAbstractionStarter]: For program point L899-2(lines 899 907) no Hoare annotation was computed. [2019-11-07 01:03:11,525 INFO L443 ceAbstractionStarter]: For program point L922(line 922) no Hoare annotation was computed. [2019-11-07 01:03:11,525 INFO L443 ceAbstractionStarter]: For program point L922-1(line 922) no Hoare annotation was computed. [2019-11-07 01:03:11,525 INFO L443 ceAbstractionStarter]: For program point L911(lines 911 919) no Hoare annotation was computed. [2019-11-07 01:03:11,525 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 892 927) no Hoare annotation was computed. [2019-11-07 01:03:11,526 INFO L443 ceAbstractionStarter]: For program point L911-2(lines 911 919) no Hoare annotation was computed. [2019-11-07 01:03:11,526 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 892 927) no Hoare annotation was computed. [2019-11-07 01:03:11,526 INFO L443 ceAbstractionStarter]: For program point L899(lines 899 907) no Hoare annotation was computed. [2019-11-07 01:03:11,526 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 892 927) no Hoare annotation was computed. [2019-11-07 01:03:11,526 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 217 223) no Hoare annotation was computed. [2019-11-07 01:03:11,526 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 217 223) the Hoare annotation is: true [2019-11-07 01:03:11,527 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 247 292) no Hoare annotation was computed. [2019-11-07 01:03:11,527 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 247 292) no Hoare annotation was computed. [2019-11-07 01:03:11,527 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 247 292) no Hoare annotation was computed. [2019-11-07 01:03:11,527 INFO L443 ceAbstractionStarter]: For program point L574(lines 574 594) no Hoare annotation was computed. [2019-11-07 01:03:11,527 INFO L443 ceAbstractionStarter]: For program point L574-1(lines 574 594) no Hoare annotation was computed. [2019-11-07 01:03:11,527 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 560 605) no Hoare annotation was computed. [2019-11-07 01:03:11,527 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 560 605) no Hoare annotation was computed. [2019-11-07 01:03:11,527 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 560 605) no Hoare annotation was computed. [2019-11-07 01:03:11,528 INFO L443 ceAbstractionStarter]: For program point L580(lines 580 587) no Hoare annotation was computed. [2019-11-07 01:03:11,528 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 159 169) the Hoare annotation is: true [2019-11-07 01:03:11,528 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 159 169) no Hoare annotation was computed. [2019-11-07 01:03:11,528 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 159 169) no Hoare annotation was computed. [2019-11-07 01:03:11,528 INFO L446 ceAbstractionStarter]: At program point L164(line 164) the Hoare annotation is: true [2019-11-07 01:03:11,528 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 872 882) the Hoare annotation is: true [2019-11-07 01:03:11,528 INFO L446 ceAbstractionStarter]: At program point L877(line 877) the Hoare annotation is: true [2019-11-07 01:03:11,528 INFO L443 ceAbstractionStarter]: For program point L877-1(line 877) no Hoare annotation was computed. [2019-11-07 01:03:11,529 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 872 882) no Hoare annotation was computed. [2019-11-07 01:03:11,529 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 872 882) no Hoare annotation was computed. [2019-11-07 01:03:11,529 INFO L443 ceAbstractionStarter]: For program point deactivatePumpENTRY(lines 864 871) no Hoare annotation was computed. [2019-11-07 01:03:11,529 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 864 871) no Hoare annotation was computed. [2019-11-07 01:03:11,529 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 864 871) no Hoare annotation was computed. [2019-11-07 01:03:11,529 INFO L443 ceAbstractionStarter]: For program point L694(lines 694 700) no Hoare annotation was computed. [2019-11-07 01:03:11,529 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 690 703) no Hoare annotation was computed. [2019-11-07 01:03:11,529 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 690 703) the Hoare annotation is: true [2019-11-07 01:03:11,530 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 690 703) no Hoare annotation was computed. [2019-11-07 01:03:11,530 INFO L446 ceAbstractionStarter]: At program point L832(line 832) the Hoare annotation is: true [2019-11-07 01:03:11,530 INFO L443 ceAbstractionStarter]: For program point L832-1(lines 813 837) no Hoare annotation was computed. [2019-11-07 01:03:11,530 INFO L446 ceAbstractionStarter]: At program point L827(line 827) the Hoare annotation is: true [2019-11-07 01:03:11,530 INFO L446 ceAbstractionStarter]: At program point L823(line 823) the Hoare annotation is: true [2019-11-07 01:03:11,530 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 813 837) no Hoare annotation was computed. [2019-11-07 01:03:11,530 INFO L443 ceAbstractionStarter]: For program point L821(lines 821 829) no Hoare annotation was computed. [2019-11-07 01:03:11,531 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 813 837) the Hoare annotation is: true [2019-11-07 01:03:11,531 INFO L446 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: true [2019-11-07 01:03:11,531 INFO L443 ceAbstractionStarter]: For program point L819-1(line 819) no Hoare annotation was computed. [2019-11-07 01:03:11,531 INFO L443 ceAbstractionStarter]: For program point L817(lines 817 834) no Hoare annotation was computed. [2019-11-07 01:03:11,531 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 805 811) no Hoare annotation was computed. [2019-11-07 01:03:11,531 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 805 811) the Hoare annotation is: true [2019-11-07 01:03:11,531 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 706 771) the Hoare annotation is: true [2019-11-07 01:03:11,532 INFO L446 ceAbstractionStarter]: At program point L764(lines 715 765) the Hoare annotation is: true [2019-11-07 01:03:11,532 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 706 771) no Hoare annotation was computed. [2019-11-07 01:03:11,532 INFO L443 ceAbstractionStarter]: For program point L754(lines 754 758) no Hoare annotation was computed. [2019-11-07 01:03:11,532 INFO L446 ceAbstractionStarter]: At program point L754-2(lines 746 759) the Hoare annotation is: true [2019-11-07 01:03:11,532 INFO L443 ceAbstractionStarter]: For program point L717(lines 716 763) no Hoare annotation was computed. [2019-11-07 01:03:11,532 INFO L446 ceAbstractionStarter]: At program point L748(line 748) the Hoare annotation is: true [2019-11-07 01:03:11,532 INFO L443 ceAbstractionStarter]: For program point L746(lines 746 759) no Hoare annotation was computed. [2019-11-07 01:03:11,532 INFO L446 ceAbstractionStarter]: At program point L738(line 738) the Hoare annotation is: true [2019-11-07 01:03:11,533 INFO L443 ceAbstractionStarter]: For program point L736(lines 736 742) no Hoare annotation was computed. [2019-11-07 01:03:11,533 INFO L443 ceAbstractionStarter]: For program point L736-1(lines 736 742) no Hoare annotation was computed. [2019-11-07 01:03:11,533 INFO L446 ceAbstractionStarter]: At program point L761(lines 716 763) the Hoare annotation is: true [2019-11-07 01:03:11,533 INFO L446 ceAbstractionStarter]: At program point L728(line 728) the Hoare annotation is: true [2019-11-07 01:03:11,533 INFO L443 ceAbstractionStarter]: For program point L726(lines 726 732) no Hoare annotation was computed. [2019-11-07 01:03:11,533 INFO L443 ceAbstractionStarter]: For program point L726-1(lines 726 732) no Hoare annotation was computed. [2019-11-07 01:03:11,533 INFO L443 ceAbstractionStarter]: For program point L718(lines 718 722) no Hoare annotation was computed. [2019-11-07 01:03:11,533 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 706 771) no Hoare annotation was computed. [2019-11-07 01:03:11,534 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 514 559) no Hoare annotation was computed. [2019-11-07 01:03:11,534 INFO L443 ceAbstractionStarter]: For program point L534(lines 534 541) no Hoare annotation was computed. [2019-11-07 01:03:11,534 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 514 559) no Hoare annotation was computed. [2019-11-07 01:03:11,534 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 514 559) no Hoare annotation was computed. [2019-11-07 01:03:11,534 INFO L443 ceAbstractionStarter]: For program point L528(lines 528 548) no Hoare annotation was computed. [2019-11-07 01:03:11,534 INFO L443 ceAbstractionStarter]: For program point L528-1(lines 528 548) no Hoare annotation was computed. [2019-11-07 01:03:11,534 INFO L446 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 838 845) the Hoare annotation is: true [2019-11-07 01:03:11,534 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 838 845) no Hoare annotation was computed. [2019-11-07 01:03:11,535 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 838 845) no Hoare annotation was computed. [2019-11-07 01:03:11,535 INFO L443 ceAbstractionStarter]: For program point L666(lines 666 674) no Hoare annotation was computed. [2019-11-07 01:03:11,535 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 658 680) no Hoare annotation was computed. [2019-11-07 01:03:11,535 INFO L443 ceAbstractionStarter]: For program point L666-2(lines 666 674) no Hoare annotation was computed. [2019-11-07 01:03:11,535 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 658 680) no Hoare annotation was computed. [2019-11-07 01:03:11,535 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 658 680) no Hoare annotation was computed. [2019-11-07 01:03:11,535 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 207 216) no Hoare annotation was computed. [2019-11-07 01:03:11,535 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 207 216) no Hoare annotation was computed. [2019-11-07 01:03:11,535 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 207 216) no Hoare annotation was computed. [2019-11-07 01:03:11,536 INFO L443 ceAbstractionStarter]: For program point L481(lines 459 482) no Hoare annotation was computed. [2019-11-07 01:03:11,536 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 411 513) no Hoare annotation was computed. [2019-11-07 01:03:11,536 INFO L443 ceAbstractionStarter]: For program point L440(lines 440 456) no Hoare annotation was computed. [2019-11-07 01:03:11,536 INFO L443 ceAbstractionStarter]: For program point L500(lines 500 507) no Hoare annotation was computed. [2019-11-07 01:03:11,536 INFO L443 ceAbstractionStarter]: For program point L461(lines 460 480) no Hoare annotation was computed. [2019-11-07 01:03:11,536 INFO L443 ceAbstractionStarter]: For program point L492(line 492) no Hoare annotation was computed. [2019-11-07 01:03:11,536 INFO L443 ceAbstractionStarter]: For program point L492-1(line 492) no Hoare annotation was computed. [2019-11-07 01:03:11,536 INFO L443 ceAbstractionStarter]: For program point L457(lines 457 498) no Hoare annotation was computed. [2019-11-07 01:03:11,537 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 411 513) no Hoare annotation was computed. [2019-11-07 01:03:11,537 INFO L443 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2019-11-07 01:03:11,537 INFO L443 ceAbstractionStarter]: For program point L476-1(line 476) no Hoare annotation was computed. [2019-11-07 01:03:11,537 INFO L443 ceAbstractionStarter]: For program point L435(lines 435 439) no Hoare annotation was computed. [2019-11-07 01:03:11,537 INFO L443 ceAbstractionStarter]: For program point L499(lines 499 510) no Hoare annotation was computed. [2019-11-07 01:03:11,537 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 411 513) no Hoare annotation was computed. [2019-11-07 01:03:11,537 INFO L443 ceAbstractionStarter]: For program point L462(lines 462 466) no Hoare annotation was computed. [2019-11-07 01:03:11,537 INFO L443 ceAbstractionStarter]: For program point L460-2(lines 460 480) no Hoare annotation was computed. [2019-11-07 01:03:11,537 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:03:11,538 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))) [2019-11-07 01:03:11,538 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:03:11,538 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 847 863) no Hoare annotation was computed. [2019-11-07 01:03:11,538 INFO L446 ceAbstractionStarter]: At program point L858(line 858) the Hoare annotation is: true [2019-11-07 01:03:11,538 INFO L443 ceAbstractionStarter]: For program point L858-1(lines 847 863) no Hoare annotation was computed. [2019-11-07 01:03:11,538 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 847 863) the Hoare annotation is: true [2019-11-07 01:03:11,539 INFO L443 ceAbstractionStarter]: For program point L854(lines 854 860) no Hoare annotation was computed. [2019-11-07 01:03:11,539 INFO L446 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: true [2019-11-07 01:03:11,539 INFO L443 ceAbstractionStarter]: For program point L852-1(line 852) no Hoare annotation was computed. [2019-11-07 01:03:11,539 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 681 689) the Hoare annotation is: true [2019-11-07 01:03:11,539 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 681 689) no Hoare annotation was computed. [2019-11-07 01:03:11,539 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 681 689) no Hoare annotation was computed. [2019-11-07 01:03:11,539 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 928 946) no Hoare annotation was computed. [2019-11-07 01:03:11,539 INFO L443 ceAbstractionStarter]: For program point L937(lines 937 941) no Hoare annotation was computed. [2019-11-07 01:03:11,540 INFO L446 ceAbstractionStarter]: At program point L935(line 935) the Hoare annotation is: true [2019-11-07 01:03:11,540 INFO L443 ceAbstractionStarter]: For program point L937-2(lines 937 941) no Hoare annotation was computed. [2019-11-07 01:03:11,540 INFO L443 ceAbstractionStarter]: For program point L935-1(line 935) no Hoare annotation was computed. [2019-11-07 01:03:11,540 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 928 946) the Hoare annotation is: true [2019-11-07 01:03:11,540 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 928 946) no Hoare annotation was computed. [2019-11-07 01:03:11,540 INFO L443 ceAbstractionStarter]: For program point L641-1(lines 637 648) no Hoare annotation was computed. [2019-11-07 01:03:11,540 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 637 648) the Hoare annotation is: true [2019-11-07 01:03:11,540 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 637 648) no Hoare annotation was computed. [2019-11-07 01:03:11,541 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:03:11,541 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-11-07 01:03:11,541 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:03:11,541 INFO L446 ceAbstractionStarter]: At program point L794(line 794) the Hoare annotation is: true [2019-11-07 01:03:11,541 INFO L446 ceAbstractionStarter]: At program point L792(lines 792 798) the Hoare annotation is: true [2019-11-07 01:03:11,541 INFO L446 ceAbstractionStarter]: At program point L787(line 787) the Hoare annotation is: true [2019-11-07 01:03:11,541 INFO L443 ceAbstractionStarter]: For program point L785(lines 781 803) no Hoare annotation was computed. [2019-11-07 01:03:11,541 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 778 804) the Hoare annotation is: true [2019-11-07 01:03:11,542 INFO L443 ceAbstractionStarter]: For program point L783(lines 781 803) no Hoare annotation was computed. [2019-11-07 01:03:11,542 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 778 804) no Hoare annotation was computed. [2019-11-07 01:03:11,542 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 778 804) no Hoare annotation was computed. [2019-11-07 01:03:11,542 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 94 123) no Hoare annotation was computed. [2019-11-07 01:03:11,542 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 94 123) the Hoare annotation is: true [2019-11-07 01:03:11,542 INFO L446 ceAbstractionStarter]: At program point L119(lines 94 123) the Hoare annotation is: true [2019-11-07 01:03:11,542 INFO L443 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-11-07 01:03:11,543 INFO L443 ceAbstractionStarter]: For program point L108(lines 108 112) no Hoare annotation was computed. [2019-11-07 01:03:11,543 INFO L446 ceAbstractionStarter]: At program point L108-1(lines 108 112) the Hoare annotation is: true [2019-11-07 01:03:11,543 INFO L443 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2019-11-07 01:03:11,543 INFO L446 ceAbstractionStarter]: At program point L104-2(lines 104 118) the Hoare annotation is: true [2019-11-07 01:03:11,543 INFO L446 ceAbstractionStarter]: At program point L100(line 100) the Hoare annotation is: true [2019-11-07 01:03:11,543 INFO L443 ceAbstractionStarter]: For program point L100-1(line 100) no Hoare annotation was computed. [2019-11-07 01:03:11,543 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 649 657) the Hoare annotation is: true [2019-11-07 01:03:11,543 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 649 657) no Hoare annotation was computed. [2019-11-07 01:03:11,544 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 649 657) no Hoare annotation was computed. [2019-11-07 01:03:11,544 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 613 624) the Hoare annotation is: true [2019-11-07 01:03:11,544 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 613 624) no Hoare annotation was computed. [2019-11-07 01:03:11,544 INFO L443 ceAbstractionStarter]: For program point L617-1(lines 613 624) no Hoare annotation was computed. [2019-11-07 01:03:11,544 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 151 157) no Hoare annotation was computed. [2019-11-07 01:03:11,544 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 151 157) the Hoare annotation is: true [2019-11-07 01:03:11,544 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:03:11,544 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-11-07 01:03:11,545 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 01:03:11,545 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:03:11,545 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 947 954) no Hoare annotation was computed. [2019-11-07 01:03:11,545 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 947 954) the Hoare annotation is: true [2019-11-07 01:03:11,545 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 947 954) no Hoare annotation was computed. [2019-11-07 01:03:11,545 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 625 636) no Hoare annotation was computed. [2019-11-07 01:03:11,545 INFO L443 ceAbstractionStarter]: For program point L629-1(lines 625 636) no Hoare annotation was computed. [2019-11-07 01:03:11,545 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 625 636) the Hoare annotation is: true [2019-11-07 01:03:11,546 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 197 204) no Hoare annotation was computed. [2019-11-07 01:03:11,546 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 197 204) the Hoare annotation is: true [2019-11-07 01:03:11,546 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 197 204) no Hoare annotation was computed. [2019-11-07 01:03:11,546 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 201) no Hoare annotation was computed. [2019-11-07 01:03:11,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:03:11 BoogieIcfgContainer [2019-11-07 01:03:11,555 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 01:03:11,557 INFO L168 Benchmark]: Toolchain (without parser) took 9189.55 ms. Allocated memory was 136.8 MB in the beginning and 345.5 MB in the end (delta: 208.7 MB). Free memory was 99.4 MB in the beginning and 288.6 MB in the end (delta: -189.2 MB). Peak memory consumption was 227.9 MB. Max. memory is 7.1 GB. [2019-11-07 01:03:11,558 INFO L168 Benchmark]: CDTParser took 1.11 ms. Allocated memory is still 136.8 MB. Free memory was 118.8 MB in the beginning and 118.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-07 01:03:11,559 INFO L168 Benchmark]: CACSL2BoogieTranslator took 706.79 ms. Allocated memory was 136.8 MB in the beginning and 200.8 MB in the end (delta: 64.0 MB). Free memory was 99.2 MB in the beginning and 168.0 MB in the end (delta: -68.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2019-11-07 01:03:11,560 INFO L168 Benchmark]: Boogie Preprocessor took 122.24 ms. Allocated memory is still 200.8 MB. Free memory was 168.0 MB in the beginning and 163.2 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-11-07 01:03:11,561 INFO L168 Benchmark]: RCFGBuilder took 1496.26 ms. Allocated memory was 200.8 MB in the beginning and 230.7 MB in the end (delta: 29.9 MB). Free memory was 163.2 MB in the beginning and 194.6 MB in the end (delta: -31.4 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. [2019-11-07 01:03:11,562 INFO L168 Benchmark]: TraceAbstraction took 6859.71 ms. Allocated memory was 230.7 MB in the beginning and 345.5 MB in the end (delta: 114.8 MB). Free memory was 193.2 MB in the beginning and 288.6 MB in the end (delta: -95.4 MB). Peak memory consumption was 227.8 MB. Max. memory is 7.1 GB. [2019-11-07 01:03:11,565 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.11 ms. Allocated memory is still 136.8 MB. Free memory was 118.8 MB in the beginning and 118.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 706.79 ms. Allocated memory was 136.8 MB in the beginning and 200.8 MB in the end (delta: 64.0 MB). Free memory was 99.2 MB in the beginning and 168.0 MB in the end (delta: -68.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.24 ms. Allocated memory is still 200.8 MB. Free memory was 168.0 MB in the beginning and 163.2 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1496.26 ms. Allocated memory was 200.8 MB in the beginning and 230.7 MB in the end (delta: 29.9 MB). Free memory was 163.2 MB in the beginning and 194.6 MB in the end (delta: -31.4 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6859.71 ms. Allocated memory was 230.7 MB in the beginning and 345.5 MB in the end (delta: 114.8 MB). Free memory was 193.2 MB in the beginning and 288.6 MB in the end (delta: -95.4 MB). Peak memory consumption was 227.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 201]: 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: 716]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 236 locations, 1 error locations. Result: SAFE, OverallTime: 6.7s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 1435 SDtfs, 1056 SDslu, 2797 SDs, 0 SdLazy, 1644 SolverSat, 401 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 414 GetRequests, 337 SyntacticMatches, 5 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=686occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 130 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 743 PreInvPairs, 744 NumberOfFragments, 70 HoareAnnotationTreeSize, 743 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 60 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1062 NumberOfCodeBlocks, 1062 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1201 ConstructedInterpolants, 0 QuantifiedInterpolants, 227185 SizeOfPredicates, 4 NumberOfNonLiveVariables, 924 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 121/144 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 138, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.86, 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...