java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product53.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:22:03,182 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:22:03,185 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:22:03,197 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:22:03,197 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:22:03,198 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:22:03,199 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:22:03,201 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:22:03,203 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:22:03,204 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:22:03,205 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:22:03,206 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:22:03,206 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:22:03,207 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:22:03,208 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:22:03,209 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:22:03,210 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:22:03,211 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:22:03,212 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:22:03,214 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:22:03,216 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:22:03,217 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:22:03,218 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:22:03,218 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:22:03,221 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:22:03,221 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:22:03,221 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:22:03,222 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:22:03,223 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:22:03,223 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:22:03,224 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:22:03,225 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:22:03,225 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:22:03,226 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:22:03,227 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:22:03,227 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:22:03,228 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:22:03,228 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:22:03,228 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:22:03,229 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:22:03,230 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:22:03,231 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 21:22:03,250 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:22:03,251 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:22:03,253 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:22:03,254 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:22:03,254 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:22:03,254 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:22:03,254 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:22:03,255 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:22:03,255 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:22:03,255 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:22:03,256 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:22:03,256 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:22:03,256 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:22:03,257 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:22:03,257 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:22:03,257 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:22:03,257 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:22:03,258 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:22:03,258 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:22:03,258 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:22:03,258 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:22:03,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:22:03,259 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:22:03,259 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:22:03,259 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:22:03,259 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:22:03,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:22:03,260 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:22:03,260 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 21:22:03,534 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:22:03,548 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:22:03,552 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:22:03,553 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:22:03,554 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:22:03,554 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product53.cil.c [2019-10-13 21:22:03,617 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbc6fc455/3d9c45ab23aa401b8beb78e7d2b8791a/FLAG5b3218091 [2019-10-13 21:22:04,154 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:22:04,154 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product53.cil.c [2019-10-13 21:22:04,169 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbc6fc455/3d9c45ab23aa401b8beb78e7d2b8791a/FLAG5b3218091 [2019-10-13 21:22:04,426 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbc6fc455/3d9c45ab23aa401b8beb78e7d2b8791a [2019-10-13 21:22:04,436 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:22:04,438 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:22:04,439 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:22:04,439 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:22:04,442 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:22:04,443 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:04" (1/1) ... [2019-10-13 21:22:04,446 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46a202d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:04, skipping insertion in model container [2019-10-13 21:22:04,446 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:04" (1/1) ... [2019-10-13 21:22:04,454 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:22:04,496 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:22:04,952 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:04,981 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:22:05,123 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:05,168 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:22:05,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:05 WrapperNode [2019-10-13 21:22:05,169 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:22:05,170 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:22:05,170 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:22:05,171 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:22:05,185 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:05" (1/1) ... [2019-10-13 21:22:05,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:05" (1/1) ... [2019-10-13 21:22:05,208 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:05" (1/1) ... [2019-10-13 21:22:05,209 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:05" (1/1) ... [2019-10-13 21:22:05,238 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:05" (1/1) ... [2019-10-13 21:22:05,253 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:05" (1/1) ... [2019-10-13 21:22:05,258 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:05" (1/1) ... [2019-10-13 21:22:05,266 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:22:05,267 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:22:05,267 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:22:05,267 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:22:05,268 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:22:05,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:22:05,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:22:05,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:05,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:05,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:05,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:05,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:22:05,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:22:05,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:22:05,327 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:22:05,327 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:22:05,327 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:22:05,328 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:22:05,328 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-13 21:22:05,328 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:22:05,328 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:22:05,328 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:22:05,328 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:22:05,329 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:22:05,329 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:22:05,329 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 21:22:05,329 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 21:22:05,329 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:22:05,329 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:22:05,330 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:22:05,330 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:22:05,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:22:05,331 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:22:05,331 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:22:05,331 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:22:05,331 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:22:05,331 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:22:05,332 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:22:05,332 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 21:22:05,332 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 21:22:05,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-13 21:22:05,332 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:22:05,332 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:22:05,333 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:22:05,333 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:22:05,333 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:22:05,333 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:22:05,333 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:22:05,333 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:22:05,334 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:22:05,334 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:22:05,334 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:22:05,334 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:05,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:22:05,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:22:05,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:22:05,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:22:05,335 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:05,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:22:05,335 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:05,335 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:05,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:22:05,336 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:22:05,336 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:22:05,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:22:05,336 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:22:05,336 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:22:05,336 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:22:05,336 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:22:05,337 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:22:05,337 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:22:05,337 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:22:05,337 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:22:05,337 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:22:05,337 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 21:22:05,338 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 21:22:05,338 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:22:05,338 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:22:05,338 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:22:05,338 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:22:05,338 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-13 21:22:05,338 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:22:05,339 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:22:05,339 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 21:22:05,339 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:22:05,339 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 21:22:05,339 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-13 21:22:05,339 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:22:05,340 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:22:05,340 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:22:05,340 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:22:05,340 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:22:05,340 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:22:05,340 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:22:05,341 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:22:05,341 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:22:05,341 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:22:05,341 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:22:05,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:22:05,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:22:05,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:22:06,433 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:22:06,434 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:22:06,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:06 BoogieIcfgContainer [2019-10-13 21:22:06,436 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:22:06,440 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:22:06,440 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:22:06,444 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:22:06,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:22:04" (1/3) ... [2019-10-13 21:22:06,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ae745bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:06, skipping insertion in model container [2019-10-13 21:22:06,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:05" (2/3) ... [2019-10-13 21:22:06,447 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ae745bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:06, skipping insertion in model container [2019-10-13 21:22:06,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:06" (3/3) ... [2019-10-13 21:22:06,449 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product53.cil.c [2019-10-13 21:22:06,459 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:22:06,468 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:22:06,480 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:22:06,520 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:22:06,521 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:22:06,521 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:22:06,521 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:22:06,522 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:22:06,522 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:22:06,522 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:22:06,522 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:22:06,547 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states. [2019-10-13 21:22:06,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 21:22:06,557 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:06,558 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:06,560 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:06,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:06,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1045855625, now seen corresponding path program 1 times [2019-10-13 21:22:06,577 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:06,577 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280263730] [2019-10-13 21:22:06,577 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:06,578 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:06,578 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:06,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:06,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:22:06,937 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280263730] [2019-10-13 21:22:06,938 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:06,939 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:22:06,943 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213362384] [2019-10-13 21:22:06,949 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:22:06,951 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:06,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:22:06,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:06,970 INFO L87 Difference]: Start difference. First operand 189 states. Second operand 2 states. [2019-10-13 21:22:07,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:07,022 INFO L93 Difference]: Finished difference Result 292 states and 361 transitions. [2019-10-13 21:22:07,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:22:07,023 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-13 21:22:07,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:07,037 INFO L225 Difference]: With dead ends: 292 [2019-10-13 21:22:07,037 INFO L226 Difference]: Without dead ends: 146 [2019-10-13 21:22:07,041 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:07,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-10-13 21:22:07,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2019-10-13 21:22:07,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-10-13 21:22:07,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 172 transitions. [2019-10-13 21:22:07,101 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 172 transitions. Word has length 46 [2019-10-13 21:22:07,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:07,102 INFO L462 AbstractCegarLoop]: Abstraction has 146 states and 172 transitions. [2019-10-13 21:22:07,102 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:22:07,103 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 172 transitions. [2019-10-13 21:22:07,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 21:22:07,108 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:07,109 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:07,109 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:07,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:07,110 INFO L82 PathProgramCache]: Analyzing trace with hash -334246685, now seen corresponding path program 1 times [2019-10-13 21:22:07,111 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:07,111 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092174897] [2019-10-13 21:22:07,112 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:07,112 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:07,112 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:07,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:07,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:22:07,241 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092174897] [2019-10-13 21:22:07,241 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:07,241 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:22:07,241 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856185409] [2019-10-13 21:22:07,244 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:22:07,245 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:07,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:22:07,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:22:07,245 INFO L87 Difference]: Start difference. First operand 146 states and 172 transitions. Second operand 3 states. [2019-10-13 21:22:07,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:07,282 INFO L93 Difference]: Finished difference Result 241 states and 283 transitions. [2019-10-13 21:22:07,282 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:22:07,282 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-13 21:22:07,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:07,285 INFO L225 Difference]: With dead ends: 241 [2019-10-13 21:22:07,285 INFO L226 Difference]: Without dead ends: 137 [2019-10-13 21:22:07,287 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:22:07,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-10-13 21:22:07,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2019-10-13 21:22:07,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2019-10-13 21:22:07,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 160 transitions. [2019-10-13 21:22:07,304 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 160 transitions. Word has length 47 [2019-10-13 21:22:07,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:07,304 INFO L462 AbstractCegarLoop]: Abstraction has 137 states and 160 transitions. [2019-10-13 21:22:07,304 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:22:07,304 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 160 transitions. [2019-10-13 21:22:07,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-13 21:22:07,307 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:07,307 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:07,307 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:07,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:07,307 INFO L82 PathProgramCache]: Analyzing trace with hash 20699943, now seen corresponding path program 1 times [2019-10-13 21:22:07,308 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:07,308 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592363437] [2019-10-13 21:22:07,308 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:07,308 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:07,309 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:07,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:07,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:22:07,433 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592363437] [2019-10-13 21:22:07,433 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:07,433 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:22:07,433 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603417738] [2019-10-13 21:22:07,434 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:22:07,434 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:07,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:22:07,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:22:07,435 INFO L87 Difference]: Start difference. First operand 137 states and 160 transitions. Second operand 3 states. [2019-10-13 21:22:07,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:07,461 INFO L93 Difference]: Finished difference Result 250 states and 297 transitions. [2019-10-13 21:22:07,463 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:22:07,463 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2019-10-13 21:22:07,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:07,465 INFO L225 Difference]: With dead ends: 250 [2019-10-13 21:22:07,465 INFO L226 Difference]: Without dead ends: 137 [2019-10-13 21:22:07,469 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:22:07,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-10-13 21:22:07,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2019-10-13 21:22:07,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2019-10-13 21:22:07,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 159 transitions. [2019-10-13 21:22:07,503 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 159 transitions. Word has length 51 [2019-10-13 21:22:07,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:07,504 INFO L462 AbstractCegarLoop]: Abstraction has 137 states and 159 transitions. [2019-10-13 21:22:07,507 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:22:07,507 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 159 transitions. [2019-10-13 21:22:07,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-10-13 21:22:07,513 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:07,514 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:07,514 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:07,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:07,514 INFO L82 PathProgramCache]: Analyzing trace with hash 134260403, now seen corresponding path program 1 times [2019-10-13 21:22:07,515 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:07,515 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240814199] [2019-10-13 21:22:07,515 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:07,515 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:07,515 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:07,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:07,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:22:07,724 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240814199] [2019-10-13 21:22:07,725 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:07,725 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 21:22:07,726 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952249191] [2019-10-13 21:22:07,727 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:22:07,727 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:07,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:22:07,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:22:07,728 INFO L87 Difference]: Start difference. First operand 137 states and 159 transitions. Second operand 5 states. [2019-10-13 21:22:08,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:08,358 INFO L93 Difference]: Finished difference Result 352 states and 425 transitions. [2019-10-13 21:22:08,360 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:22:08,360 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2019-10-13 21:22:08,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:08,364 INFO L225 Difference]: With dead ends: 352 [2019-10-13 21:22:08,364 INFO L226 Difference]: Without dead ends: 239 [2019-10-13 21:22:08,371 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:22:08,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2019-10-13 21:22:08,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 221. [2019-10-13 21:22:08,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2019-10-13 21:22:08,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 250 transitions. [2019-10-13 21:22:08,419 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 250 transitions. Word has length 69 [2019-10-13 21:22:08,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:08,419 INFO L462 AbstractCegarLoop]: Abstraction has 221 states and 250 transitions. [2019-10-13 21:22:08,419 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:22:08,420 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 250 transitions. [2019-10-13 21:22:08,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-10-13 21:22:08,424 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:08,425 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:08,425 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:08,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:08,425 INFO L82 PathProgramCache]: Analyzing trace with hash -1484828875, now seen corresponding path program 1 times [2019-10-13 21:22:08,426 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:08,426 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126629373] [2019-10-13 21:22:08,427 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:08,427 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:08,427 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:08,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:08,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:22:08,574 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126629373] [2019-10-13 21:22:08,575 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:08,575 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 21:22:08,575 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802917918] [2019-10-13 21:22:08,577 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 21:22:08,577 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:08,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 21:22:08,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:22:08,578 INFO L87 Difference]: Start difference. First operand 221 states and 250 transitions. Second operand 10 states. [2019-10-13 21:22:09,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:09,305 INFO L93 Difference]: Finished difference Result 703 states and 867 transitions. [2019-10-13 21:22:09,305 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-13 21:22:09,305 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 83 [2019-10-13 21:22:09,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:09,312 INFO L225 Difference]: With dead ends: 703 [2019-10-13 21:22:09,312 INFO L226 Difference]: Without dead ends: 506 [2019-10-13 21:22:09,313 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-10-13 21:22:09,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2019-10-13 21:22:09,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 496. [2019-10-13 21:22:09,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 496 states. [2019-10-13 21:22:09,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 582 transitions. [2019-10-13 21:22:09,366 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 582 transitions. Word has length 83 [2019-10-13 21:22:09,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:09,367 INFO L462 AbstractCegarLoop]: Abstraction has 496 states and 582 transitions. [2019-10-13 21:22:09,367 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 21:22:09,367 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 582 transitions. [2019-10-13 21:22:09,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-10-13 21:22:09,371 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:09,371 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:09,372 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:09,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:09,372 INFO L82 PathProgramCache]: Analyzing trace with hash -2031940663, now seen corresponding path program 1 times [2019-10-13 21:22:09,372 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:09,373 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225068267] [2019-10-13 21:22:09,373 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:09,373 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:09,373 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:09,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:09,492 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-13 21:22:09,492 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225068267] [2019-10-13 21:22:09,493 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2029677476] [2019-10-13 21:22:09,493 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:09,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:09,758 INFO L256 TraceCheckSpWp]: Trace formula consists of 826 conjuncts, 11 conjunts are in the unsatisfiable core [2019-10-13 21:22:09,773 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:22:09,820 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-13 21:22:09,821 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:22:10,179 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-13 21:22:10,179 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:22:10,180 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6, 6] total 6 [2019-10-13 21:22:10,180 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897708143] [2019-10-13 21:22:10,181 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:22:10,181 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:10,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:22:10,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:22:10,182 INFO L87 Difference]: Start difference. First operand 496 states and 582 transitions. Second operand 6 states. [2019-10-13 21:22:10,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:10,251 INFO L93 Difference]: Finished difference Result 983 states and 1179 transitions. [2019-10-13 21:22:10,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:22:10,252 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 131 [2019-10-13 21:22:10,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:10,257 INFO L225 Difference]: With dead ends: 983 [2019-10-13 21:22:10,257 INFO L226 Difference]: Without dead ends: 511 [2019-10-13 21:22:10,259 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:10,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2019-10-13 21:22:10,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 511. [2019-10-13 21:22:10,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 511 states. [2019-10-13 21:22:10,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 598 transitions. [2019-10-13 21:22:10,300 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 598 transitions. Word has length 131 [2019-10-13 21:22:10,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:10,300 INFO L462 AbstractCegarLoop]: Abstraction has 511 states and 598 transitions. [2019-10-13 21:22:10,300 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:22:10,301 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 598 transitions. [2019-10-13 21:22:10,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-10-13 21:22:10,304 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:10,304 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:10,510 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:10,510 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:10,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:10,511 INFO L82 PathProgramCache]: Analyzing trace with hash 1352433969, now seen corresponding path program 1 times [2019-10-13 21:22:10,511 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:10,512 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652986921] [2019-10-13 21:22:10,512 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:10,512 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:10,513 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:10,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:10,651 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-13 21:22:10,651 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652986921] [2019-10-13 21:22:10,651 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [750254649] [2019-10-13 21:22:10,652 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:10,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:10,870 INFO L256 TraceCheckSpWp]: Trace formula consists of 836 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-13 21:22:10,876 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:22:10,953 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-13 21:22:10,954 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:22:11,259 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-13 21:22:11,259 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:22:11,260 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 5] total 11 [2019-10-13 21:22:11,260 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644386075] [2019-10-13 21:22:11,261 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:22:11,261 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:11,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:22:11,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-10-13 21:22:11,262 INFO L87 Difference]: Start difference. First operand 511 states and 598 transitions. Second operand 5 states. [2019-10-13 21:22:11,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:11,306 INFO L93 Difference]: Finished difference Result 926 states and 1115 transitions. [2019-10-13 21:22:11,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 21:22:11,307 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 135 [2019-10-13 21:22:11,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:11,310 INFO L225 Difference]: With dead ends: 926 [2019-10-13 21:22:11,311 INFO L226 Difference]: Without dead ends: 439 [2019-10-13 21:22:11,313 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 267 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-10-13 21:22:11,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2019-10-13 21:22:11,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 439. [2019-10-13 21:22:11,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 439 states. [2019-10-13 21:22:11,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 507 transitions. [2019-10-13 21:22:11,341 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 507 transitions. Word has length 135 [2019-10-13 21:22:11,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:11,342 INFO L462 AbstractCegarLoop]: Abstraction has 439 states and 507 transitions. [2019-10-13 21:22:11,342 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:22:11,342 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 507 transitions. [2019-10-13 21:22:11,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-10-13 21:22:11,345 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:11,345 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:11,558 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:11,559 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:11,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:11,559 INFO L82 PathProgramCache]: Analyzing trace with hash -382726184, now seen corresponding path program 1 times [2019-10-13 21:22:11,560 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:11,560 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477814109] [2019-10-13 21:22:11,560 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:11,561 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:11,561 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:11,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:11,673 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-13 21:22:11,673 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477814109] [2019-10-13 21:22:11,674 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [455678825] [2019-10-13 21:22:11,674 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:11,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:11,873 INFO L256 TraceCheckSpWp]: Trace formula consists of 845 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 21:22:11,878 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:22:11,909 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:22:11,910 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:22:12,117 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-13 21:22:12,117 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:22:12,118 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 7 [2019-10-13 21:22:12,118 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928906685] [2019-10-13 21:22:12,119 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:22:12,119 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:12,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:22:12,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:12,120 INFO L87 Difference]: Start difference. First operand 439 states and 507 transitions. Second operand 5 states. [2019-10-13 21:22:12,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:12,720 INFO L93 Difference]: Finished difference Result 816 states and 994 transitions. [2019-10-13 21:22:12,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:22:12,721 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 139 [2019-10-13 21:22:12,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:12,724 INFO L225 Difference]: With dead ends: 816 [2019-10-13 21:22:12,725 INFO L226 Difference]: Without dead ends: 463 [2019-10-13 21:22:12,726 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 278 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:22:12,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2019-10-13 21:22:12,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 439. [2019-10-13 21:22:12,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 439 states. [2019-10-13 21:22:12,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 522 transitions. [2019-10-13 21:22:12,754 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 522 transitions. Word has length 139 [2019-10-13 21:22:12,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:12,754 INFO L462 AbstractCegarLoop]: Abstraction has 439 states and 522 transitions. [2019-10-13 21:22:12,754 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:22:12,754 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 522 transitions. [2019-10-13 21:22:12,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-10-13 21:22:12,757 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:12,757 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:12,961 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:12,962 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:12,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:12,962 INFO L82 PathProgramCache]: Analyzing trace with hash 900713074, now seen corresponding path program 1 times [2019-10-13 21:22:12,963 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:12,963 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042253161] [2019-10-13 21:22:12,963 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:12,964 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:12,964 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:12,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:13,066 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 21:22:13,067 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042253161] [2019-10-13 21:22:13,067 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:13,067 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 21:22:13,067 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645100897] [2019-10-13 21:22:13,068 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 21:22:13,068 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:13,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 21:22:13,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:22:13,069 INFO L87 Difference]: Start difference. First operand 439 states and 522 transitions. Second operand 9 states. [2019-10-13 21:22:13,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:13,954 INFO L93 Difference]: Finished difference Result 1202 states and 1463 transitions. [2019-10-13 21:22:13,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-13 21:22:13,954 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 135 [2019-10-13 21:22:13,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:13,959 INFO L225 Difference]: With dead ends: 1202 [2019-10-13 21:22:13,960 INFO L226 Difference]: Without dead ends: 787 [2019-10-13 21:22:13,961 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2019-10-13 21:22:13,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2019-10-13 21:22:14,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 784. [2019-10-13 21:22:14,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 784 states. [2019-10-13 21:22:14,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 924 transitions. [2019-10-13 21:22:14,012 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 924 transitions. Word has length 135 [2019-10-13 21:22:14,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:14,015 INFO L462 AbstractCegarLoop]: Abstraction has 784 states and 924 transitions. [2019-10-13 21:22:14,015 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 21:22:14,015 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 924 transitions. [2019-10-13 21:22:14,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-10-13 21:22:14,019 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:14,019 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:14,019 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:14,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:14,020 INFO L82 PathProgramCache]: Analyzing trace with hash 2102865238, now seen corresponding path program 1 times [2019-10-13 21:22:14,020 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:14,020 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507405547] [2019-10-13 21:22:14,020 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:14,020 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:14,021 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:14,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:14,140 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-13 21:22:14,140 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507405547] [2019-10-13 21:22:14,140 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:14,141 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:22:14,141 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385919274] [2019-10-13 21:22:14,141 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:22:14,142 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:14,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:22:14,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:22:14,142 INFO L87 Difference]: Start difference. First operand 784 states and 924 transitions. Second operand 6 states. [2019-10-13 21:22:14,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:14,353 INFO L93 Difference]: Finished difference Result 793 states and 937 transitions. [2019-10-13 21:22:14,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:22:14,353 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 139 [2019-10-13 21:22:14,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:14,358 INFO L225 Difference]: With dead ends: 793 [2019-10-13 21:22:14,358 INFO L226 Difference]: Without dead ends: 790 [2019-10-13 21:22:14,362 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:22:14,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2019-10-13 21:22:14,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 784. [2019-10-13 21:22:14,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 784 states. [2019-10-13 21:22:14,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 922 transitions. [2019-10-13 21:22:14,415 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 922 transitions. Word has length 139 [2019-10-13 21:22:14,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:14,415 INFO L462 AbstractCegarLoop]: Abstraction has 784 states and 922 transitions. [2019-10-13 21:22:14,415 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:22:14,416 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 922 transitions. [2019-10-13 21:22:14,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-10-13 21:22:14,420 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:14,420 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:14,420 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:14,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:14,421 INFO L82 PathProgramCache]: Analyzing trace with hash 2070429682, now seen corresponding path program 1 times [2019-10-13 21:22:14,421 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:14,421 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752174433] [2019-10-13 21:22:14,421 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:14,421 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:14,421 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:14,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:14,586 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-13 21:22:14,587 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752174433] [2019-10-13 21:22:14,587 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1369724692] [2019-10-13 21:22:14,587 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:14,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:14,793 INFO L256 TraceCheckSpWp]: Trace formula consists of 885 conjuncts, 11 conjunts are in the unsatisfiable core [2019-10-13 21:22:14,799 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:22:14,947 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:22:14,948 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:22:15,333 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-13 21:22:15,334 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [394017992] [2019-10-13 21:22:15,341 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 158 [2019-10-13 21:22:15,395 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-13 21:22:15,396 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-13 21:22:15,481 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-13 21:22:15,484 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 68 root evaluator evaluations with a maximum evaluation depth of 0. Performed 68 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 126 variables. [2019-10-13 21:22:15,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:15,489 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-13 21:22:15,583 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-13 21:22:15,584 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-13 21:22:15,591 INFO L553 sIntCurrentIteration]: We unified 156 AI predicates to 156 [2019-10-13 21:22:15,592 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-13 21:22:15,593 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-13 21:22:15,593 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [10, 9, 9] total 17 [2019-10-13 21:22:15,593 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014579516] [2019-10-13 21:22:15,600 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:22:15,601 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:15,601 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-13 21:22:15,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:22:15,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:15,602 INFO L87 Difference]: Start difference. First operand 784 states and 922 transitions. Second operand 2 states. [2019-10-13 21:22:15,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:15,615 INFO L93 Difference]: Finished difference Result 784 states and 922 transitions. [2019-10-13 21:22:15,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:22:15,615 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 157 [2019-10-13 21:22:15,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:15,616 INFO L225 Difference]: With dead ends: 784 [2019-10-13 21:22:15,616 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:22:15,618 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:15,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:22:15,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:22:15,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:22:15,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:22:15,619 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2019-10-13 21:22:15,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:15,619 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:22:15,619 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:22:15,620 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:22:15,620 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:22:15,825 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:15,830 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:22:16,165 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2019-10-13 21:22:16,165 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2019-10-13 21:22:16,165 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-10-13 21:22:16,166 INFO L443 ceAbstractionStarter]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2019-10-13 21:22:16,166 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2019-10-13 21:22:16,166 INFO L443 ceAbstractionStarter]: For program point L139(lines 116 140) no Hoare annotation was computed. [2019-10-13 21:22:16,166 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2019-10-13 21:22:16,166 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2019-10-13 21:22:16,166 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-13 21:22:16,166 INFO L443 ceAbstractionStarter]: For program point L193-1(line 193) no Hoare annotation was computed. [2019-10-13 21:22:16,166 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2019-10-13 21:22:16,167 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2019-10-13 21:22:16,167 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2019-10-13 21:22:16,167 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-10-13 21:22:16,167 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2019-10-13 21:22:16,167 INFO L443 ceAbstractionStarter]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2019-10-13 21:22:16,167 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2019-10-13 21:22:16,167 INFO L443 ceAbstractionStarter]: For program point L200(lines 173 201) no Hoare annotation was computed. [2019-10-13 21:22:16,167 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 729 735) the Hoare annotation is: true [2019-10-13 21:22:16,168 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 729 735) no Hoare annotation was computed. [2019-10-13 21:22:16,168 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 736 744) no Hoare annotation was computed. [2019-10-13 21:22:16,168 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 736 744) the Hoare annotation is: true [2019-10-13 21:22:16,168 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 736 744) no Hoare annotation was computed. [2019-10-13 21:22:16,168 INFO L446 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: true [2019-10-13 21:22:16,168 INFO L443 ceAbstractionStarter]: For program point L865-1(line 865) no Hoare annotation was computed. [2019-10-13 21:22:16,168 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 859 883) the Hoare annotation is: true [2019-10-13 21:22:16,169 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 859 883) no Hoare annotation was computed. [2019-10-13 21:22:16,169 INFO L446 ceAbstractionStarter]: At program point L873(line 873) the Hoare annotation is: true [2019-10-13 21:22:16,169 INFO L443 ceAbstractionStarter]: For program point L871(lines 871 877) no Hoare annotation was computed. [2019-10-13 21:22:16,169 INFO L446 ceAbstractionStarter]: At program point L869(line 869) the Hoare annotation is: true [2019-10-13 21:22:16,169 INFO L443 ceAbstractionStarter]: For program point L869-1(line 869) no Hoare annotation was computed. [2019-10-13 21:22:16,169 INFO L443 ceAbstractionStarter]: For program point L867(lines 867 880) no Hoare annotation was computed. [2019-10-13 21:22:16,169 INFO L443 ceAbstractionStarter]: For program point L867-1(lines 859 883) no Hoare annotation was computed. [2019-10-13 21:22:16,169 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 957 979) the Hoare annotation is: true [2019-10-13 21:22:16,169 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 957 979) no Hoare annotation was computed. [2019-10-13 21:22:16,169 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 957 979) no Hoare annotation was computed. [2019-10-13 21:22:16,170 INFO L446 ceAbstractionStarter]: At program point L969(line 969) the Hoare annotation is: true [2019-10-13 21:22:16,170 INFO L446 ceAbstractionStarter]: At program point L969-1(line 969) the Hoare annotation is: true [2019-10-13 21:22:16,170 INFO L443 ceAbstractionStarter]: For program point L967(lines 967 974) no Hoare annotation was computed. [2019-10-13 21:22:16,170 INFO L443 ceAbstractionStarter]: For program point L967-1(lines 967 974) no Hoare annotation was computed. [2019-10-13 21:22:16,170 INFO L443 ceAbstractionStarter]: For program point L965(line 965) no Hoare annotation was computed. [2019-10-13 21:22:16,170 INFO L446 ceAbstractionStarter]: At program point L964(line 964) the Hoare annotation is: true [2019-10-13 21:22:16,170 INFO L446 ceAbstractionStarter]: At program point L963(line 963) the Hoare annotation is: true [2019-10-13 21:22:16,170 INFO L446 ceAbstractionStarter]: At program point L963-1(line 963) the Hoare annotation is: true [2019-10-13 21:22:16,171 INFO L443 ceAbstractionStarter]: For program point L929(line 929) no Hoare annotation was computed. [2019-10-13 21:22:16,171 INFO L443 ceAbstractionStarter]: For program point L928(line 928) no Hoare annotation was computed. [2019-10-13 21:22:16,171 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 916 939) no Hoare annotation was computed. [2019-10-13 21:22:16,171 INFO L443 ceAbstractionStarter]: For program point L927(line 927) no Hoare annotation was computed. [2019-10-13 21:22:16,171 INFO L443 ceAbstractionStarter]: For program point L926(line 926) no Hoare annotation was computed. [2019-10-13 21:22:16,171 INFO L443 ceAbstractionStarter]: For program point L925(line 925) no Hoare annotation was computed. [2019-10-13 21:22:16,171 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 916 939) no Hoare annotation was computed. [2019-10-13 21:22:16,171 INFO L443 ceAbstractionStarter]: For program point L924(line 924) no Hoare annotation was computed. [2019-10-13 21:22:16,171 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 916 939) no Hoare annotation was computed. [2019-10-13 21:22:16,172 INFO L443 ceAbstractionStarter]: For program point L923(line 923) no Hoare annotation was computed. [2019-10-13 21:22:16,172 INFO L443 ceAbstractionStarter]: For program point L922(line 922) no Hoare annotation was computed. [2019-10-13 21:22:16,172 INFO L443 ceAbstractionStarter]: For program point L921(line 921) no Hoare annotation was computed. [2019-10-13 21:22:16,172 INFO L443 ceAbstractionStarter]: For program point L934(line 934) no Hoare annotation was computed. [2019-10-13 21:22:16,172 INFO L443 ceAbstractionStarter]: For program point L933(line 933) no Hoare annotation was computed. [2019-10-13 21:22:16,172 INFO L443 ceAbstractionStarter]: For program point L932(line 932) no Hoare annotation was computed. [2019-10-13 21:22:16,172 INFO L443 ceAbstractionStarter]: For program point L931(line 931) no Hoare annotation was computed. [2019-10-13 21:22:16,172 INFO L443 ceAbstractionStarter]: For program point L930(line 930) no Hoare annotation was computed. [2019-10-13 21:22:16,173 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 624 632) no Hoare annotation was computed. [2019-10-13 21:22:16,173 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 624 632) the Hoare annotation is: true [2019-10-13 21:22:16,173 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 624 632) no Hoare annotation was computed. [2019-10-13 21:22:16,173 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 688 706) the Hoare annotation is: true [2019-10-13 21:22:16,173 INFO L443 ceAbstractionStarter]: For program point L697(lines 697 701) no Hoare annotation was computed. [2019-10-13 21:22:16,173 INFO L446 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: true [2019-10-13 21:22:16,173 INFO L443 ceAbstractionStarter]: For program point L697-2(lines 697 701) no Hoare annotation was computed. [2019-10-13 21:22:16,173 INFO L443 ceAbstractionStarter]: For program point L695-1(line 695) no Hoare annotation was computed. [2019-10-13 21:22:16,174 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 688 706) no Hoare annotation was computed. [2019-10-13 21:22:16,174 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 688 706) no Hoare annotation was computed. [2019-10-13 21:22:16,174 INFO L443 ceAbstractionStarter]: For program point L640(lines 640 648) no Hoare annotation was computed. [2019-10-13 21:22:16,174 INFO L443 ceAbstractionStarter]: For program point L640-2(lines 640 648) no Hoare annotation was computed. [2019-10-13 21:22:16,174 INFO L443 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2019-10-13 21:22:16,174 INFO L443 ceAbstractionStarter]: For program point L663-1(line 663) no Hoare annotation was computed. [2019-10-13 21:22:16,174 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 633 668) no Hoare annotation was computed. [2019-10-13 21:22:16,174 INFO L443 ceAbstractionStarter]: For program point L652(lines 652 660) no Hoare annotation was computed. [2019-10-13 21:22:16,174 INFO L443 ceAbstractionStarter]: For program point L652-2(lines 652 660) no Hoare annotation was computed. [2019-10-13 21:22:16,175 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 633 668) no Hoare annotation was computed. [2019-10-13 21:22:16,175 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 633 668) no Hoare annotation was computed. [2019-10-13 21:22:16,175 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 722 728) no Hoare annotation was computed. [2019-10-13 21:22:16,175 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 722 728) the Hoare annotation is: true [2019-10-13 21:22:16,175 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2019-10-13 21:22:16,175 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2019-10-13 21:22:16,175 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2019-10-13 21:22:16,175 INFO L443 ceAbstractionStarter]: For program point L379(lines 379 386) no Hoare annotation was computed. [2019-10-13 21:22:16,176 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2019-10-13 21:22:16,176 INFO L443 ceAbstractionStarter]: For program point L373(lines 373 393) no Hoare annotation was computed. [2019-10-13 21:22:16,176 INFO L443 ceAbstractionStarter]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2019-10-13 21:22:16,176 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2019-10-13 21:22:16,176 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2019-10-13 21:22:16,176 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 947 956) the Hoare annotation is: true [2019-10-13 21:22:16,176 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 947 956) no Hoare annotation was computed. [2019-10-13 21:22:16,176 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 947 956) no Hoare annotation was computed. [2019-10-13 21:22:16,176 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 613 623) the Hoare annotation is: true [2019-10-13 21:22:16,177 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 613 623) no Hoare annotation was computed. [2019-10-13 21:22:16,177 INFO L446 ceAbstractionStarter]: At program point L618(line 618) the Hoare annotation is: true [2019-10-13 21:22:16,177 INFO L443 ceAbstractionStarter]: For program point L618-1(line 618) no Hoare annotation was computed. [2019-10-13 21:22:16,177 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 613 623) no Hoare annotation was computed. [2019-10-13 21:22:16,177 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 605 612) the Hoare annotation is: true [2019-10-13 21:22:16,177 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 605 612) no Hoare annotation was computed. [2019-10-13 21:22:16,177 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 605 612) no Hoare annotation was computed. [2019-10-13 21:22:16,177 INFO L443 ceAbstractionStarter]: For program point L839(lines 839 845) no Hoare annotation was computed. [2019-10-13 21:22:16,177 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 835 848) no Hoare annotation was computed. [2019-10-13 21:22:16,178 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 835 848) the Hoare annotation is: true [2019-10-13 21:22:16,178 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 835 848) no Hoare annotation was computed. [2019-10-13 21:22:16,178 INFO L443 ceAbstractionStarter]: For program point L578-1(line 578) no Hoare annotation was computed. [2019-10-13 21:22:16,178 INFO L443 ceAbstractionStarter]: For program point L576(lines 576 593) no Hoare annotation was computed. [2019-10-13 21:22:16,178 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 572 596) no Hoare annotation was computed. [2019-10-13 21:22:16,178 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 572 596) the Hoare annotation is: true [2019-10-13 21:22:16,178 INFO L446 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: true [2019-10-13 21:22:16,178 INFO L443 ceAbstractionStarter]: For program point L591-1(lines 572 596) no Hoare annotation was computed. [2019-10-13 21:22:16,179 INFO L446 ceAbstractionStarter]: At program point L586(line 586) the Hoare annotation is: true [2019-10-13 21:22:16,179 INFO L446 ceAbstractionStarter]: At program point L582(line 582) the Hoare annotation is: true [2019-10-13 21:22:16,179 INFO L443 ceAbstractionStarter]: For program point L580(lines 580 588) no Hoare annotation was computed. [2019-10-13 21:22:16,179 INFO L446 ceAbstractionStarter]: At program point L578(line 578) the Hoare annotation is: true [2019-10-13 21:22:16,179 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 512 518) no Hoare annotation was computed. [2019-10-13 21:22:16,179 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 512 518) the Hoare annotation is: true [2019-10-13 21:22:16,179 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 410 473) the Hoare annotation is: true [2019-10-13 21:22:16,179 INFO L446 ceAbstractionStarter]: At program point L442(line 442) the Hoare annotation is: true [2019-10-13 21:22:16,179 INFO L443 ceAbstractionStarter]: For program point L440(lines 440 446) no Hoare annotation was computed. [2019-10-13 21:22:16,180 INFO L443 ceAbstractionStarter]: For program point L440-1(lines 440 446) no Hoare annotation was computed. [2019-10-13 21:22:16,180 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 410 473) no Hoare annotation was computed. [2019-10-13 21:22:16,180 INFO L446 ceAbstractionStarter]: At program point L432(line 432) the Hoare annotation is: true [2019-10-13 21:22:16,180 INFO L446 ceAbstractionStarter]: At program point L463(lines 420 465) the Hoare annotation is: true [2019-10-13 21:22:16,180 INFO L443 ceAbstractionStarter]: For program point L430(lines 430 436) no Hoare annotation was computed. [2019-10-13 21:22:16,180 INFO L443 ceAbstractionStarter]: For program point L430-1(lines 430 436) no Hoare annotation was computed. [2019-10-13 21:22:16,180 INFO L443 ceAbstractionStarter]: For program point L422(lines 422 426) no Hoare annotation was computed. [2019-10-13 21:22:16,180 INFO L446 ceAbstractionStarter]: At program point L466(lines 419 467) the Hoare annotation is: true [2019-10-13 21:22:16,180 INFO L443 ceAbstractionStarter]: For program point L456(lines 456 460) no Hoare annotation was computed. [2019-10-13 21:22:16,181 INFO L446 ceAbstractionStarter]: At program point L456-2(lines 450 461) the Hoare annotation is: true [2019-10-13 21:22:16,181 INFO L443 ceAbstractionStarter]: For program point L421(lines 420 465) no Hoare annotation was computed. [2019-10-13 21:22:16,181 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 410 473) no Hoare annotation was computed. [2019-10-13 21:22:16,181 INFO L443 ceAbstractionStarter]: For program point L450(lines 450 461) no Hoare annotation was computed. [2019-10-13 21:22:16,181 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2019-10-13 21:22:16,181 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2019-10-13 21:22:16,181 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2019-10-13 21:22:16,181 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 340) no Hoare annotation was computed. [2019-10-13 21:22:16,182 INFO L443 ceAbstractionStarter]: For program point L327(lines 327 347) no Hoare annotation was computed. [2019-10-13 21:22:16,182 INFO L443 ceAbstractionStarter]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2019-10-13 21:22:16,182 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 849 857) no Hoare annotation was computed. [2019-10-13 21:22:16,182 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 849 857) the Hoare annotation is: true [2019-10-13 21:22:16,182 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 849 857) no Hoare annotation was computed. [2019-10-13 21:22:16,182 INFO L443 ceAbstractionStarter]: For program point L811(lines 811 819) no Hoare annotation was computed. [2019-10-13 21:22:16,182 INFO L443 ceAbstractionStarter]: For program point L811-2(lines 811 819) no Hoare annotation was computed. [2019-10-13 21:22:16,182 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 803 825) no Hoare annotation was computed. [2019-10-13 21:22:16,182 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 803 825) no Hoare annotation was computed. [2019-10-13 21:22:16,183 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 803 825) no Hoare annotation was computed. [2019-10-13 21:22:16,183 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 297) no Hoare annotation was computed. [2019-10-13 21:22:16,183 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2019-10-13 21:22:16,183 INFO L443 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2019-10-13 21:22:16,183 INFO L443 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2019-10-13 21:22:16,183 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2019-10-13 21:22:16,183 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 309) no Hoare annotation was computed. [2019-10-13 21:22:16,183 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2019-10-13 21:22:16,183 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 265) no Hoare annotation was computed. [2019-10-13 21:22:16,184 INFO L443 ceAbstractionStarter]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2019-10-13 21:22:16,184 INFO L443 ceAbstractionStarter]: For program point L280(lines 258 281) no Hoare annotation was computed. [2019-10-13 21:22:16,184 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2019-10-13 21:22:16,184 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 255) no Hoare annotation was computed. [2019-10-13 21:22:16,184 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 306) no Hoare annotation was computed. [2019-10-13 21:22:16,184 INFO L443 ceAbstractionStarter]: For program point L260(lines 259 279) no Hoare annotation was computed. [2019-10-13 21:22:16,184 INFO L443 ceAbstractionStarter]: For program point L291(line 291) no Hoare annotation was computed. [2019-10-13 21:22:16,184 INFO L443 ceAbstractionStarter]: For program point L291-1(line 291) no Hoare annotation was computed. [2019-10-13 21:22:16,184 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 712 721) no Hoare annotation was computed. [2019-10-13 21:22:16,185 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 712 721) no Hoare annotation was computed. [2019-10-13 21:22:16,185 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 712 721) no Hoare annotation was computed. [2019-10-13 21:22:16,185 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:16,185 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2019-10-13 21:22:16,185 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:16,185 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 597 604) no Hoare annotation was computed. [2019-10-13 21:22:16,185 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 597 604) no Hoare annotation was computed. [2019-10-13 21:22:16,186 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 597 604) the Hoare annotation is: true [2019-10-13 21:22:16,186 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 669 687) no Hoare annotation was computed. [2019-10-13 21:22:16,186 INFO L443 ceAbstractionStarter]: For program point L678(lines 678 682) no Hoare annotation was computed. [2019-10-13 21:22:16,186 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 669 687) the Hoare annotation is: true [2019-10-13 21:22:16,186 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 669 687) no Hoare annotation was computed. [2019-10-13 21:22:16,186 INFO L446 ceAbstractionStarter]: At program point L676(line 676) the Hoare annotation is: true [2019-10-13 21:22:16,186 INFO L443 ceAbstractionStarter]: For program point L678-2(lines 678 682) no Hoare annotation was computed. [2019-10-13 21:22:16,186 INFO L443 ceAbstractionStarter]: For program point L676-1(line 676) no Hoare annotation was computed. [2019-10-13 21:22:16,187 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 826 834) the Hoare annotation is: true [2019-10-13 21:22:16,187 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 826 834) no Hoare annotation was computed. [2019-10-13 21:22:16,187 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 826 834) no Hoare annotation was computed. [2019-10-13 21:22:16,187 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:16,187 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:22:16,187 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:16,187 INFO L443 ceAbstractionStarter]: For program point L786-1(lines 782 793) no Hoare annotation was computed. [2019-10-13 21:22:16,187 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 782 793) the Hoare annotation is: true [2019-10-13 21:22:16,187 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 782 793) no Hoare annotation was computed. [2019-10-13 21:22:16,188 INFO L446 ceAbstractionStarter]: At program point L501(line 501) the Hoare annotation is: true [2019-10-13 21:22:16,188 INFO L446 ceAbstractionStarter]: At program point L499(lines 499 505) the Hoare annotation is: true [2019-10-13 21:22:16,188 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 488 511) the Hoare annotation is: true [2019-10-13 21:22:16,188 INFO L446 ceAbstractionStarter]: At program point L494(line 494) the Hoare annotation is: true [2019-10-13 21:22:16,188 INFO L443 ceAbstractionStarter]: For program point L492(lines 491 510) no Hoare annotation was computed. [2019-10-13 21:22:16,188 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 488 511) no Hoare annotation was computed. [2019-10-13 21:22:16,188 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 488 511) no Hoare annotation was computed. [2019-10-13 21:22:16,188 INFO L443 ceAbstractionStarter]: For program point L897(line 897) no Hoare annotation was computed. [2019-10-13 21:22:16,189 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 886 915) no Hoare annotation was computed. [2019-10-13 21:22:16,189 INFO L446 ceAbstractionStarter]: At program point L896-2(lines 896 910) the Hoare annotation is: true [2019-10-13 21:22:16,189 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 886 915) the Hoare annotation is: true [2019-10-13 21:22:16,189 INFO L446 ceAbstractionStarter]: At program point L892(line 892) the Hoare annotation is: true [2019-10-13 21:22:16,189 INFO L443 ceAbstractionStarter]: For program point L892-1(line 892) no Hoare annotation was computed. [2019-10-13 21:22:16,189 INFO L446 ceAbstractionStarter]: At program point L911(lines 886 915) the Hoare annotation is: true [2019-10-13 21:22:16,189 INFO L443 ceAbstractionStarter]: For program point L907(line 907) no Hoare annotation was computed. [2019-10-13 21:22:16,189 INFO L443 ceAbstractionStarter]: For program point L900(lines 900 904) no Hoare annotation was computed. [2019-10-13 21:22:16,190 INFO L446 ceAbstractionStarter]: At program point L900-1(lines 900 904) the Hoare annotation is: true [2019-10-13 21:22:16,190 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 794 802) the Hoare annotation is: true [2019-10-13 21:22:16,190 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 794 802) no Hoare annotation was computed. [2019-10-13 21:22:16,190 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 794 802) no Hoare annotation was computed. [2019-10-13 21:22:16,190 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 758 769) the Hoare annotation is: true [2019-10-13 21:22:16,190 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 758 769) no Hoare annotation was computed. [2019-10-13 21:22:16,190 INFO L443 ceAbstractionStarter]: For program point L762-1(lines 758 769) no Hoare annotation was computed. [2019-10-13 21:22:16,190 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 940 946) no Hoare annotation was computed. [2019-10-13 21:22:16,191 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 940 946) the Hoare annotation is: true [2019-10-13 21:22:16,191 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:16,191 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-13 21:22:16,191 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:22:16,191 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:16,191 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 520 544) the Hoare annotation is: true [2019-10-13 21:22:16,191 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 520 544) no Hoare annotation was computed. [2019-10-13 21:22:16,191 INFO L446 ceAbstractionStarter]: At program point L539(line 539) the Hoare annotation is: true [2019-10-13 21:22:16,192 INFO L443 ceAbstractionStarter]: For program point L539-1(lines 520 544) no Hoare annotation was computed. [2019-10-13 21:22:16,192 INFO L446 ceAbstractionStarter]: At program point L534(line 534) the Hoare annotation is: true [2019-10-13 21:22:16,192 INFO L446 ceAbstractionStarter]: At program point L530(line 530) the Hoare annotation is: true [2019-10-13 21:22:16,192 INFO L443 ceAbstractionStarter]: For program point L528(lines 528 536) no Hoare annotation was computed. [2019-10-13 21:22:16,192 INFO L446 ceAbstractionStarter]: At program point L526(line 526) the Hoare annotation is: true [2019-10-13 21:22:16,192 INFO L443 ceAbstractionStarter]: For program point L526-1(line 526) no Hoare annotation was computed. [2019-10-13 21:22:16,192 INFO L443 ceAbstractionStarter]: For program point L524(lines 524 541) no Hoare annotation was computed. [2019-10-13 21:22:16,192 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 770 781) no Hoare annotation was computed. [2019-10-13 21:22:16,192 INFO L443 ceAbstractionStarter]: For program point L774-1(lines 770 781) no Hoare annotation was computed. [2019-10-13 21:22:16,193 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 770 781) the Hoare annotation is: true [2019-10-13 21:22:16,193 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 746 753) no Hoare annotation was computed. [2019-10-13 21:22:16,193 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 750) no Hoare annotation was computed. [2019-10-13 21:22:16,193 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 746 753) the Hoare annotation is: true [2019-10-13 21:22:16,193 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 746 753) no Hoare annotation was computed. [2019-10-13 21:22:16,193 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 546 570) no Hoare annotation was computed. [2019-10-13 21:22:16,193 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 546 570) the Hoare annotation is: true [2019-10-13 21:22:16,194 INFO L446 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: true [2019-10-13 21:22:16,194 INFO L443 ceAbstractionStarter]: For program point L565-1(lines 546 570) no Hoare annotation was computed. [2019-10-13 21:22:16,194 INFO L446 ceAbstractionStarter]: At program point L560(line 560) the Hoare annotation is: true [2019-10-13 21:22:16,194 INFO L446 ceAbstractionStarter]: At program point L556(line 556) the Hoare annotation is: true [2019-10-13 21:22:16,194 INFO L443 ceAbstractionStarter]: For program point L554(lines 554 562) no Hoare annotation was computed. [2019-10-13 21:22:16,194 INFO L446 ceAbstractionStarter]: At program point L552(line 552) the Hoare annotation is: true [2019-10-13 21:22:16,194 INFO L443 ceAbstractionStarter]: For program point L552-1(line 552) no Hoare annotation was computed. [2019-10-13 21:22:16,194 INFO L443 ceAbstractionStarter]: For program point L550(lines 550 567) no Hoare annotation was computed. [2019-10-13 21:22:16,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:22:16 BoogieIcfgContainer [2019-10-13 21:22:16,204 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:22:16,206 INFO L168 Benchmark]: Toolchain (without parser) took 11768.08 ms. Allocated memory was 138.4 MB in the beginning and 374.9 MB in the end (delta: 236.5 MB). Free memory was 101.4 MB in the beginning and 113.9 MB in the end (delta: -12.5 MB). Peak memory consumption was 224.0 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:16,207 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-13 21:22:16,208 INFO L168 Benchmark]: CACSL2BoogieTranslator took 731.38 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 101.2 MB in the beginning and 169.1 MB in the end (delta: -67.9 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:16,209 INFO L168 Benchmark]: Boogie Preprocessor took 96.08 ms. Allocated memory is still 202.9 MB. Free memory was 169.1 MB in the beginning and 164.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:16,210 INFO L168 Benchmark]: RCFGBuilder took 1169.65 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 164.4 MB in the beginning and 192.7 MB in the end (delta: -28.2 MB). Peak memory consumption was 81.3 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:16,211 INFO L168 Benchmark]: TraceAbstraction took 9764.36 ms. Allocated memory was 235.9 MB in the beginning and 374.9 MB in the end (delta: 138.9 MB). Free memory was 192.7 MB in the beginning and 113.9 MB in the end (delta: 78.8 MB). Peak memory consumption was 217.7 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:16,220 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 731.38 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 101.2 MB in the beginning and 169.1 MB in the end (delta: -67.9 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 96.08 ms. Allocated memory is still 202.9 MB. Free memory was 169.1 MB in the beginning and 164.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1169.65 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 164.4 MB in the beginning and 192.7 MB in the end (delta: -28.2 MB). Peak memory consumption was 81.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9764.36 ms. Allocated memory was 235.9 MB in the beginning and 374.9 MB in the end (delta: 138.9 MB). Free memory was 192.7 MB in the beginning and 113.9 MB in the end (delta: 78.8 MB). Peak memory consumption was 217.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 750]: 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: 420]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 245 locations, 1 error locations. Result: SAFE, OverallTime: 9.6s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 1820 SDtfs, 1084 SDslu, 4298 SDs, 0 SdLazy, 1760 SolverSat, 288 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1074 GetRequests, 998 SyntacticMatches, 5 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=784occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 61 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 1409 PreInvPairs, 1410 NumberOfFragments, 72 HoareAnnotationTreeSize, 1409 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 66 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 1694 NumberOfCodeBlocks, 1694 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2237 ConstructedInterpolants, 0 QuantifiedInterpolants, 420301 SizeOfPredicates, 20 NumberOfNonLiveVariables, 3392 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 19 InterpolantComputations, 10 PerfectInterpolantSequences, 332/372 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 148, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.8461538461538461, 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...