/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 01:02:48,149 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 01:02:48,152 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 01:02:48,168 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 01:02:48,168 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 01:02:48,171 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 01:02:48,172 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 01:02:48,182 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 01:02:48,185 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 01:02:48,189 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 01:02:48,190 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 01:02:48,192 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 01:02:48,192 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 01:02:48,194 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 01:02:48,196 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 01:02:48,198 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 01:02:48,200 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 01:02:48,201 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 01:02:48,202 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 01:02:48,208 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 01:02:48,212 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 01:02:48,216 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 01:02:48,219 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 01:02:48,219 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 01:02:48,222 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 01:02:48,222 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 01:02:48,222 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 01:02:48,224 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 01:02:48,224 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 01:02:48,226 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 01:02:48,226 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 01:02:48,228 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 01:02:48,229 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 01:02:48,230 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 01:02:48,231 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 01:02:48,232 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 01:02:48,232 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 01:02:48,233 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 01:02:48,233 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 01:02:48,234 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 01:02:48,234 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 01:02:48,235 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 01:02:48,268 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 01:02:48,268 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 01:02:48,269 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 01:02:48,270 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 01:02:48,270 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 01:02:48,270 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 01:02:48,270 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 01:02:48,271 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 01:02:48,271 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 01:02:48,271 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 01:02:48,271 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 01:02:48,271 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 01:02:48,272 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 01:02:48,272 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 01:02:48,272 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 01:02:48,272 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 01:02:48,272 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 01:02:48,273 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 01:02:48,273 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 01:02:48,273 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 01:02:48,273 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 01:02:48,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 01:02:48,274 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 01:02:48,274 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 01:02:48,274 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 01:02:48,274 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 01:02:48,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 01:02:48,275 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 01:02:48,275 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-11-07 01:02:48,575 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 01:02:48,599 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 01:02:48,603 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 01:02:48,605 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 01:02:48,605 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 01:02:48,606 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product34.cil.c [2019-11-07 01:02:48,683 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90c01d315/9e1fa40d84c34d699ae622efe744416a/FLAG8fe8e29ba [2019-11-07 01:02:49,257 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 01:02:49,258 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product34.cil.c [2019-11-07 01:02:49,271 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90c01d315/9e1fa40d84c34d699ae622efe744416a/FLAG8fe8e29ba [2019-11-07 01:02:49,534 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90c01d315/9e1fa40d84c34d699ae622efe744416a [2019-11-07 01:02:49,543 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 01:02:49,545 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 01:02:49,546 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 01:02:49,546 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 01:02:49,549 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 01:02:49,550 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:02:49" (1/1) ... [2019-11-07 01:02:49,553 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@765fe0da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:49, skipping insertion in model container [2019-11-07 01:02:49,554 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:02:49" (1/1) ... [2019-11-07 01:02:49,561 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 01:02:49,610 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 01:02:50,014 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:02:50,033 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 01:02:50,120 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:02:50,165 INFO L192 MainTranslator]: Completed translation [2019-11-07 01:02:50,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:50 WrapperNode [2019-11-07 01:02:50,165 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 01:02:50,166 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 01:02:50,166 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 01:02:50,167 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 01:02:50,182 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:50" (1/1) ... [2019-11-07 01:02:50,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:50" (1/1) ... [2019-11-07 01:02:50,207 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:50" (1/1) ... [2019-11-07 01:02:50,208 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:50" (1/1) ... [2019-11-07 01:02:50,259 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:50" (1/1) ... [2019-11-07 01:02:50,273 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:50" (1/1) ... [2019-11-07 01:02:50,288 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:50" (1/1) ... [2019-11-07 01:02:50,300 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 01:02:50,301 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 01:02:50,301 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 01:02:50,301 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 01:02:50,303 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 01:02:50,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 01:02:50,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 01:02:50,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 01:02:50,364 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 01:02:50,364 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 01:02:50,365 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 01:02:50,365 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 01:02:50,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 01:02:50,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 01:02:50,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 01:02:50,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 01:02:50,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 01:02:50,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 01:02:50,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 01:02:50,366 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 01:02:50,366 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 01:02:50,368 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 01:02:50,368 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 01:02:50,369 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 01:02:50,369 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 01:02:50,369 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-11-07 01:02:50,369 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 01:02:50,369 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 01:02:50,369 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 01:02:50,369 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 01:02:50,370 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 01:02:50,370 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 01:02:50,370 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 01:02:50,370 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 01:02:50,370 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 01:02:50,370 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-11-07 01:02:50,370 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-11-07 01:02:50,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-11-07 01:02:50,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-11-07 01:02:50,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-11-07 01:02:50,371 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 01:02:50,371 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 01:02:50,371 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 01:02:50,372 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 01:02:50,372 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 01:02:50,372 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 01:02:50,372 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 01:02:50,372 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 01:02:50,372 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 01:02:50,373 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 01:02:50,373 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 01:02:50,373 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 01:02:50,373 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 01:02:50,373 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 01:02:50,373 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 01:02:50,373 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 01:02:50,374 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 01:02:50,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 01:02:50,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 01:02:50,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 01:02:50,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 01:02:50,374 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 01:02:50,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 01:02:50,375 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 01:02:50,375 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 01:02:50,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 01:02:50,375 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 01:02:50,375 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 01:02:50,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 01:02:50,376 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 01:02:50,376 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 01:02:50,376 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 01:02:50,376 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 01:02:50,376 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 01:02:50,376 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 01:02:50,376 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 01:02:50,377 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-11-07 01:02:50,377 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-11-07 01:02:50,377 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 01:02:50,377 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 01:02:50,377 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 01:02:50,377 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 01:02:50,378 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 01:02:50,378 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 01:02:50,378 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 01:02:50,378 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-11-07 01:02:50,378 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-11-07 01:02:50,378 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 01:02:50,378 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 01:02:50,379 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-11-07 01:02:50,379 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 01:02:50,379 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-11-07 01:02:50,379 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 01:02:50,379 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 01:02:50,379 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 01:02:50,380 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 01:02:50,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 01:02:50,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 01:02:50,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 01:02:51,448 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 01:02:51,449 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 01:02:51,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:02:51 BoogieIcfgContainer [2019-11-07 01:02:51,450 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 01:02:51,451 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 01:02:51,451 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 01:02:51,455 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 01:02:51,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:02:49" (1/3) ... [2019-11-07 01:02:51,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@259f9f4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:02:51, skipping insertion in model container [2019-11-07 01:02:51,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:50" (2/3) ... [2019-11-07 01:02:51,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@259f9f4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:02:51, skipping insertion in model container [2019-11-07 01:02:51,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:02:51" (3/3) ... [2019-11-07 01:02:51,459 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product34.cil.c [2019-11-07 01:02:51,470 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 01:02:51,480 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 01:02:51,491 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 01:02:51,519 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 01:02:51,519 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 01:02:51,519 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 01:02:51,519 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 01:02:51,520 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 01:02:51,520 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 01:02:51,520 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 01:02:51,520 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 01:02:51,543 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states. [2019-11-07 01:02:51,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-07 01:02:51,553 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:02:51,554 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:02:51,556 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:02:51,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:02:51,563 INFO L82 PathProgramCache]: Analyzing trace with hash 1468621358, now seen corresponding path program 1 times [2019-11-07 01:02:51,574 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:02:51,574 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557286822] [2019-11-07 01:02:51,575 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:02:51,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:02:51,940 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:02:51,941 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557286822] [2019-11-07 01:02:51,942 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:02:51,942 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 01:02:51,943 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020185856] [2019-11-07 01:02:51,953 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 01:02:51,957 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:02:51,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 01:02:51,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 01:02:51,978 INFO L87 Difference]: Start difference. First operand 162 states. Second operand 2 states. [2019-11-07 01:02:52,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:02:52,015 INFO L93 Difference]: Finished difference Result 234 states and 291 transitions. [2019-11-07 01:02:52,015 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 01:02:52,016 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-11-07 01:02:52,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:02:52,029 INFO L225 Difference]: With dead ends: 234 [2019-11-07 01:02:52,029 INFO L226 Difference]: Without dead ends: 119 [2019-11-07 01:02:52,034 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 01:02:52,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2019-11-07 01:02:52,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2019-11-07 01:02:52,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-11-07 01:02:52,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 139 transitions. [2019-11-07 01:02:52,091 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 139 transitions. Word has length 59 [2019-11-07 01:02:52,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:02:52,091 INFO L462 AbstractCegarLoop]: Abstraction has 119 states and 139 transitions. [2019-11-07 01:02:52,091 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 01:02:52,092 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 139 transitions. [2019-11-07 01:02:52,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-07 01:02:52,096 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:02:52,096 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:02:52,096 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:02:52,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:02:52,097 INFO L82 PathProgramCache]: Analyzing trace with hash 732022184, now seen corresponding path program 1 times [2019-11-07 01:02:52,097 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:02:52,097 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027569838] [2019-11-07 01:02:52,098 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:02:52,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:02:52,236 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:02:52,237 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027569838] [2019-11-07 01:02:52,237 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:02:52,237 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 01:02:52,238 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472491607] [2019-11-07 01:02:52,241 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 01:02:52,241 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:02:52,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 01:02:52,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 01:02:52,243 INFO L87 Difference]: Start difference. First operand 119 states and 139 transitions. Second operand 3 states. [2019-11-07 01:02:52,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:02:52,282 INFO L93 Difference]: Finished difference Result 179 states and 209 transitions. [2019-11-07 01:02:52,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 01:02:52,283 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-11-07 01:02:52,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:02:52,288 INFO L225 Difference]: With dead ends: 179 [2019-11-07 01:02:52,288 INFO L226 Difference]: Without dead ends: 110 [2019-11-07 01:02:52,290 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 01:02:52,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2019-11-07 01:02:52,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2019-11-07 01:02:52,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-11-07 01:02:52,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 127 transitions. [2019-11-07 01:02:52,308 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 127 transitions. Word has length 60 [2019-11-07 01:02:52,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:02:52,309 INFO L462 AbstractCegarLoop]: Abstraction has 110 states and 127 transitions. [2019-11-07 01:02:52,309 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 01:02:52,309 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 127 transitions. [2019-11-07 01:02:52,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-07 01:02:52,313 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:02:52,315 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:02:52,315 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:02:52,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:02:52,316 INFO L82 PathProgramCache]: Analyzing trace with hash -69452161, now seen corresponding path program 1 times [2019-11-07 01:02:52,316 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:02:52,316 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981980677] [2019-11-07 01:02:52,317 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:02:52,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:02:52,572 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:02:52,572 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981980677] [2019-11-07 01:02:52,573 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:02:52,573 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 01:02:52,573 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7051133] [2019-11-07 01:02:52,574 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 01:02:52,574 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:02:52,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 01:02:52,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-07 01:02:52,575 INFO L87 Difference]: Start difference. First operand 110 states and 127 transitions. Second operand 7 states. [2019-11-07 01:02:52,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:02:52,854 INFO L93 Difference]: Finished difference Result 192 states and 227 transitions. [2019-11-07 01:02:52,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 01:02:52,856 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2019-11-07 01:02:52,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:02:52,858 INFO L225 Difference]: With dead ends: 192 [2019-11-07 01:02:52,858 INFO L226 Difference]: Without dead ends: 110 [2019-11-07 01:02:52,859 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-07 01:02:52,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2019-11-07 01:02:52,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2019-11-07 01:02:52,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-11-07 01:02:52,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 126 transitions. [2019-11-07 01:02:52,872 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 126 transitions. Word has length 65 [2019-11-07 01:02:52,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:02:52,874 INFO L462 AbstractCegarLoop]: Abstraction has 110 states and 126 transitions. [2019-11-07 01:02:52,875 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 01:02:52,875 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 126 transitions. [2019-11-07 01:02:52,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-11-07 01:02:52,878 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:02:52,878 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:02:52,878 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:02:52,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:02:52,879 INFO L82 PathProgramCache]: Analyzing trace with hash -752044170, now seen corresponding path program 1 times [2019-11-07 01:02:52,879 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:02:52,879 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299271206] [2019-11-07 01:02:52,879 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:02:52,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:02:53,049 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:02:53,049 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299271206] [2019-11-07 01:02:53,049 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:02:53,050 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 01:02:53,050 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715283290] [2019-11-07 01:02:53,052 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 01:02:53,052 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:02:53,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 01:02:53,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 01:02:53,053 INFO L87 Difference]: Start difference. First operand 110 states and 126 transitions. Second operand 5 states. [2019-11-07 01:02:53,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:02:53,507 INFO L93 Difference]: Finished difference Result 287 states and 347 transitions. [2019-11-07 01:02:53,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 01:02:53,508 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2019-11-07 01:02:53,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:02:53,513 INFO L225 Difference]: With dead ends: 287 [2019-11-07 01:02:53,514 INFO L226 Difference]: Without dead ends: 205 [2019-11-07 01:02:53,515 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-07 01:02:53,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2019-11-07 01:02:53,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 186. [2019-11-07 01:02:53,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2019-11-07 01:02:53,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 215 transitions. [2019-11-07 01:02:53,568 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 215 transitions. Word has length 73 [2019-11-07 01:02:53,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:02:53,569 INFO L462 AbstractCegarLoop]: Abstraction has 186 states and 215 transitions. [2019-11-07 01:02:53,569 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 01:02:53,569 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 215 transitions. [2019-11-07 01:02:53,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-11-07 01:02:53,576 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:02:53,576 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:02:53,577 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:02:53,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:02:53,577 INFO L82 PathProgramCache]: Analyzing trace with hash -1770960597, now seen corresponding path program 1 times [2019-11-07 01:02:53,577 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:02:53,578 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118177757] [2019-11-07 01:02:53,581 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:02:53,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:02:53,752 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-07 01:02:53,753 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118177757] [2019-11-07 01:02:53,753 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:02:53,753 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 01:02:53,753 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290643246] [2019-11-07 01:02:53,754 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 01:02:53,754 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:02:53,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 01:02:53,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-07 01:02:53,755 INFO L87 Difference]: Start difference. First operand 186 states and 215 transitions. Second operand 7 states. [2019-11-07 01:02:54,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:02:54,403 INFO L93 Difference]: Finished difference Result 362 states and 432 transitions. [2019-11-07 01:02:54,404 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-07 01:02:54,404 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 87 [2019-11-07 01:02:54,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:02:54,413 INFO L225 Difference]: With dead ends: 362 [2019-11-07 01:02:54,413 INFO L226 Difference]: Without dead ends: 204 [2019-11-07 01:02:54,414 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-11-07 01:02:54,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2019-11-07 01:02:54,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 185. [2019-11-07 01:02:54,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2019-11-07 01:02:54,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 212 transitions. [2019-11-07 01:02:54,449 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 212 transitions. Word has length 87 [2019-11-07 01:02:54,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:02:54,451 INFO L462 AbstractCegarLoop]: Abstraction has 185 states and 212 transitions. [2019-11-07 01:02:54,451 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 01:02:54,451 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 212 transitions. [2019-11-07 01:02:54,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-11-07 01:02:54,452 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:02:54,458 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:02:54,459 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:02:54,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:02:54,459 INFO L82 PathProgramCache]: Analyzing trace with hash 1107726217, now seen corresponding path program 1 times [2019-11-07 01:02:54,459 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:02:54,459 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078528499] [2019-11-07 01:02:54,460 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:02:54,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:02:54,571 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:02:54,572 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078528499] [2019-11-07 01:02:54,573 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:02:54,573 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 01:02:54,573 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112313058] [2019-11-07 01:02:54,574 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 01:02:54,574 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:02:54,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 01:02:54,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 01:02:54,575 INFO L87 Difference]: Start difference. First operand 185 states and 212 transitions. Second operand 6 states. [2019-11-07 01:02:54,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:02:54,614 INFO L93 Difference]: Finished difference Result 347 states and 405 transitions. [2019-11-07 01:02:54,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 01:02:54,615 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2019-11-07 01:02:54,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:02:54,620 INFO L225 Difference]: With dead ends: 347 [2019-11-07 01:02:54,621 INFO L226 Difference]: Without dead ends: 190 [2019-11-07 01:02:54,622 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-07 01:02:54,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2019-11-07 01:02:54,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 190. [2019-11-07 01:02:54,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2019-11-07 01:02:54,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 217 transitions. [2019-11-07 01:02:54,640 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 217 transitions. Word has length 88 [2019-11-07 01:02:54,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:02:54,641 INFO L462 AbstractCegarLoop]: Abstraction has 190 states and 217 transitions. [2019-11-07 01:02:54,641 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 01:02:54,641 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 217 transitions. [2019-11-07 01:02:54,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-11-07 01:02:54,643 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:02:54,643 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:02:54,643 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:02:54,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:02:54,643 INFO L82 PathProgramCache]: Analyzing trace with hash -1801037685, now seen corresponding path program 1 times [2019-11-07 01:02:54,644 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:02:54,644 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700766031] [2019-11-07 01:02:54,644 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:02:54,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:02:54,761 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:02:54,761 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700766031] [2019-11-07 01:02:54,762 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:02:54,762 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-07 01:02:54,762 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097025492] [2019-11-07 01:02:54,763 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-07 01:02:54,763 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:02:54,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-07 01:02:54,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-07 01:02:54,764 INFO L87 Difference]: Start difference. First operand 190 states and 217 transitions. Second operand 8 states. [2019-11-07 01:02:54,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:02:54,803 INFO L93 Difference]: Finished difference Result 359 states and 421 transitions. [2019-11-07 01:02:54,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 01:02:54,804 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 88 [2019-11-07 01:02:54,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:02:54,805 INFO L225 Difference]: With dead ends: 359 [2019-11-07 01:02:54,806 INFO L226 Difference]: Without dead ends: 197 [2019-11-07 01:02:54,807 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-07 01:02:54,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2019-11-07 01:02:54,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 194. [2019-11-07 01:02:54,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2019-11-07 01:02:54,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 221 transitions. [2019-11-07 01:02:54,821 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 221 transitions. Word has length 88 [2019-11-07 01:02:54,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:02:54,821 INFO L462 AbstractCegarLoop]: Abstraction has 194 states and 221 transitions. [2019-11-07 01:02:54,821 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-07 01:02:54,821 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 221 transitions. [2019-11-07 01:02:54,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-11-07 01:02:54,822 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:02:54,823 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:02:54,823 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:02:54,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:02:54,823 INFO L82 PathProgramCache]: Analyzing trace with hash 310252684, now seen corresponding path program 1 times [2019-11-07 01:02:54,824 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:02:54,824 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484558563] [2019-11-07 01:02:54,824 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:02:54,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:02:54,900 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:02:54,900 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484558563] [2019-11-07 01:02:54,900 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:02:54,901 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 01:02:54,901 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833546934] [2019-11-07 01:02:54,901 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 01:02:54,902 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:02:54,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 01:02:54,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 01:02:54,902 INFO L87 Difference]: Start difference. First operand 194 states and 221 transitions. Second operand 4 states. [2019-11-07 01:02:55,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:02:55,118 INFO L93 Difference]: Finished difference Result 562 states and 671 transitions. [2019-11-07 01:02:55,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-07 01:02:55,119 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 88 [2019-11-07 01:02:55,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:02:55,122 INFO L225 Difference]: With dead ends: 562 [2019-11-07 01:02:55,123 INFO L226 Difference]: Without dead ends: 396 [2019-11-07 01:02:55,124 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 01:02:55,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2019-11-07 01:02:55,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 387. [2019-11-07 01:02:55,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 387 states. [2019-11-07 01:02:55,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 451 transitions. [2019-11-07 01:02:55,155 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 451 transitions. Word has length 88 [2019-11-07 01:02:55,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:02:55,156 INFO L462 AbstractCegarLoop]: Abstraction has 387 states and 451 transitions. [2019-11-07 01:02:55,156 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 01:02:55,156 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 451 transitions. [2019-11-07 01:02:55,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-11-07 01:02:55,158 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:02:55,158 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:02:55,158 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:02:55,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:02:55,159 INFO L82 PathProgramCache]: Analyzing trace with hash 1394429222, now seen corresponding path program 1 times [2019-11-07 01:02:55,159 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:02:55,159 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953488302] [2019-11-07 01:02:55,159 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:02:55,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:02:55,324 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:02:55,324 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953488302] [2019-11-07 01:02:55,325 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:02:55,326 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-07 01:02:55,326 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651868903] [2019-11-07 01:02:55,326 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-07 01:02:55,327 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:02:55,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-07 01:02:55,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-11-07 01:02:55,327 INFO L87 Difference]: Start difference. First operand 387 states and 451 transitions. Second operand 9 states. [2019-11-07 01:02:56,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:02:56,229 INFO L93 Difference]: Finished difference Result 1022 states and 1243 transitions. [2019-11-07 01:02:56,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-07 01:02:56,230 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 92 [2019-11-07 01:02:56,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:02:56,235 INFO L225 Difference]: With dead ends: 1022 [2019-11-07 01:02:56,235 INFO L226 Difference]: Without dead ends: 730 [2019-11-07 01:02:56,237 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2019-11-07 01:02:56,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 730 states. [2019-11-07 01:02:56,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 730 to 652. [2019-11-07 01:02:56,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 652 states. [2019-11-07 01:02:56,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 751 transitions. [2019-11-07 01:02:56,286 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 751 transitions. Word has length 92 [2019-11-07 01:02:56,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:02:56,286 INFO L462 AbstractCegarLoop]: Abstraction has 652 states and 751 transitions. [2019-11-07 01:02:56,286 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-07 01:02:56,286 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 751 transitions. [2019-11-07 01:02:56,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-11-07 01:02:56,289 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:02:56,289 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:02:56,289 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:02:56,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:02:56,290 INFO L82 PathProgramCache]: Analyzing trace with hash 1563029790, now seen corresponding path program 1 times [2019-11-07 01:02:56,290 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:02:56,290 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040362470] [2019-11-07 01:02:56,291 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:02:56,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:02:56,432 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-07 01:02:56,433 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040362470] [2019-11-07 01:02:56,433 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1292552880] [2019-11-07 01:02:56,433 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:02:56,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:02:56,755 INFO L256 TraceCheckSpWp]: Trace formula consists of 887 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-07 01:02:56,769 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 01:02:56,958 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:02:56,958 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 01:02:57,281 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-07 01:02:57,282 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [273555216] [2019-11-07 01:02:57,289 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 137 [2019-11-07 01:02:57,343 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-11-07 01:02:57,343 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 01:02:57,410 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-11-07 01:02:57,412 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 69 root evaluator evaluations with a maximum evaluation depth of 0. Performed 69 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 128 variables. [2019-11-07 01:02:57,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:02:57,417 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-11-07 01:02:57,468 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-11-07 01:02:57,468 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-11-07 01:02:57,472 INFO L553 sIntCurrentIteration]: We unified 135 AI predicates to 135 [2019-11-07 01:02:57,473 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-11-07 01:02:57,473 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-11-07 01:02:57,474 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11, 7, 7] total 19 [2019-11-07 01:02:57,474 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645431611] [2019-11-07 01:02:57,475 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 01:02:57,475 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:02:57,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 01:02:57,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2019-11-07 01:02:57,476 INFO L87 Difference]: Start difference. First operand 652 states and 751 transitions. Second operand 2 states. [2019-11-07 01:02:57,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:02:57,486 INFO L93 Difference]: Finished difference Result 652 states and 751 transitions. [2019-11-07 01:02:57,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 01:02:57,486 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 136 [2019-11-07 01:02:57,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:02:57,486 INFO L225 Difference]: With dead ends: 652 [2019-11-07 01:02:57,486 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 01:02:57,488 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 262 SyntacticMatches, 5 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2019-11-07 01:02:57,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 01:02:57,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 01:02:57,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 01:02:57,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 01:02:57,489 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 136 [2019-11-07 01:02:57,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:02:57,490 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 01:02:57,490 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 01:02:57,490 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 01:02:57,490 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 01:02:57,695 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:02:57,700 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 01:02:57,986 INFO L443 ceAbstractionStarter]: For program point L186(lines 163 187) no Hoare annotation was computed. [2019-11-07 01:02:57,987 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 139 194) no Hoare annotation was computed. [2019-11-07 01:02:57,987 INFO L443 ceAbstractionStarter]: For program point L170(lines 170 174) no Hoare annotation was computed. [2019-11-07 01:02:57,987 INFO L443 ceAbstractionStarter]: For program point L170-1(lines 170 174) no Hoare annotation was computed. [2019-11-07 01:02:57,987 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 139 194) no Hoare annotation was computed. [2019-11-07 01:02:57,987 INFO L443 ceAbstractionStarter]: For program point L165(line 165) no Hoare annotation was computed. [2019-11-07 01:02:57,987 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 139 194) no Hoare annotation was computed. [2019-11-07 01:02:57,987 INFO L443 ceAbstractionStarter]: For program point L164-2(lines 164 185) no Hoare annotation was computed. [2019-11-07 01:02:57,988 INFO L443 ceAbstractionStarter]: For program point L222(line 222) no Hoare annotation was computed. [2019-11-07 01:02:57,988 INFO L443 ceAbstractionStarter]: For program point L221-2(lines 221 246) no Hoare annotation was computed. [2019-11-07 01:02:57,988 INFO L443 ceAbstractionStarter]: For program point L247(lines 220 248) no Hoare annotation was computed. [2019-11-07 01:02:57,988 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 195 254) no Hoare annotation was computed. [2019-11-07 01:02:57,988 INFO L443 ceAbstractionStarter]: For program point L240(line 240) no Hoare annotation was computed. [2019-11-07 01:02:57,988 INFO L443 ceAbstractionStarter]: For program point L240-1(line 240) no Hoare annotation was computed. [2019-11-07 01:02:57,988 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 195 254) no Hoare annotation was computed. [2019-11-07 01:02:57,989 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 195 254) no Hoare annotation was computed. [2019-11-07 01:02:57,989 INFO L443 ceAbstractionStarter]: For program point L227(lines 227 231) no Hoare annotation was computed. [2019-11-07 01:02:57,989 INFO L443 ceAbstractionStarter]: For program point L227-1(lines 227 231) no Hoare annotation was computed. [2019-11-07 01:02:57,989 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2019-11-07 01:02:57,989 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2019-11-07 01:02:57,990 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2019-11-07 01:02:57,990 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2019-11-07 01:02:57,990 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2019-11-07 01:02:57,990 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 794 801) the Hoare annotation is: true [2019-11-07 01:02:57,990 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 794 801) no Hoare annotation was computed. [2019-11-07 01:02:57,990 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 794 801) no Hoare annotation was computed. [2019-11-07 01:02:57,991 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 802 811) the Hoare annotation is: true [2019-11-07 01:02:57,991 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 802 811) no Hoare annotation was computed. [2019-11-07 01:02:57,991 INFO L443 ceAbstractionStarter]: For program point L807(line 807) no Hoare annotation was computed. [2019-11-07 01:02:57,991 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 802 811) no Hoare annotation was computed. [2019-11-07 01:02:57,991 INFO L446 ceAbstractionStarter]: At program point L827(line 827) the Hoare annotation is: true [2019-11-07 01:02:57,991 INFO L443 ceAbstractionStarter]: For program point L825(lines 825 831) no Hoare annotation was computed. [2019-11-07 01:02:57,991 INFO L443 ceAbstractionStarter]: For program point L824(lines 824 834) no Hoare annotation was computed. [2019-11-07 01:02:57,992 INFO L446 ceAbstractionStarter]: At program point L822(line 822) the Hoare annotation is: true [2019-11-07 01:02:57,992 INFO L443 ceAbstractionStarter]: For program point L822-1(line 822) no Hoare annotation was computed. [2019-11-07 01:02:57,992 INFO L443 ceAbstractionStarter]: For program point L820(lines 820 837) no Hoare annotation was computed. [2019-11-07 01:02:57,992 INFO L443 ceAbstractionStarter]: For program point L820-1(lines 812 840) no Hoare annotation was computed. [2019-11-07 01:02:57,992 INFO L446 ceAbstractionStarter]: At program point L818(line 818) the Hoare annotation is: true [2019-11-07 01:02:57,992 INFO L443 ceAbstractionStarter]: For program point L818-1(line 818) no Hoare annotation was computed. [2019-11-07 01:02:57,992 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 812 840) the Hoare annotation is: true [2019-11-07 01:02:57,993 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 812 840) no Hoare annotation was computed. [2019-11-07 01:02:57,993 INFO L446 ceAbstractionStarter]: At program point L927(line 927) the Hoare annotation is: true [2019-11-07 01:02:57,993 INFO L446 ceAbstractionStarter]: At program point L927-1(line 927) the Hoare annotation is: true [2019-11-07 01:02:57,993 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 915 937) the Hoare annotation is: true [2019-11-07 01:02:57,993 INFO L443 ceAbstractionStarter]: For program point L925(lines 925 932) no Hoare annotation was computed. [2019-11-07 01:02:57,993 INFO L443 ceAbstractionStarter]: For program point L925-1(lines 925 932) no Hoare annotation was computed. [2019-11-07 01:02:57,994 INFO L443 ceAbstractionStarter]: For program point L923(line 923) no Hoare annotation was computed. [2019-11-07 01:02:57,994 INFO L446 ceAbstractionStarter]: At program point L922(line 922) the Hoare annotation is: true [2019-11-07 01:02:57,994 INFO L446 ceAbstractionStarter]: At program point L921(line 921) the Hoare annotation is: true [2019-11-07 01:02:57,994 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 915 937) no Hoare annotation was computed. [2019-11-07 01:02:57,994 INFO L446 ceAbstractionStarter]: At program point L921-1(line 921) the Hoare annotation is: true [2019-11-07 01:02:57,994 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 915 937) no Hoare annotation was computed. [2019-11-07 01:02:57,994 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 873 896) no Hoare annotation was computed. [2019-11-07 01:02:57,995 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 873 896) no Hoare annotation was computed. [2019-11-07 01:02:57,995 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 873 896) no Hoare annotation was computed. [2019-11-07 01:02:57,995 INFO L443 ceAbstractionStarter]: For program point L891(line 891) no Hoare annotation was computed. [2019-11-07 01:02:57,995 INFO L443 ceAbstractionStarter]: For program point L890(line 890) no Hoare annotation was computed. [2019-11-07 01:02:57,995 INFO L443 ceAbstractionStarter]: For program point L889(line 889) no Hoare annotation was computed. [2019-11-07 01:02:57,995 INFO L443 ceAbstractionStarter]: For program point L888(line 888) no Hoare annotation was computed. [2019-11-07 01:02:57,995 INFO L443 ceAbstractionStarter]: For program point L887(line 887) no Hoare annotation was computed. [2019-11-07 01:02:57,995 INFO L443 ceAbstractionStarter]: For program point L886(line 886) no Hoare annotation was computed. [2019-11-07 01:02:57,996 INFO L443 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2019-11-07 01:02:57,996 INFO L443 ceAbstractionStarter]: For program point L884(line 884) no Hoare annotation was computed. [2019-11-07 01:02:57,996 INFO L443 ceAbstractionStarter]: For program point L883(line 883) no Hoare annotation was computed. [2019-11-07 01:02:57,996 INFO L443 ceAbstractionStarter]: For program point L882(line 882) no Hoare annotation was computed. [2019-11-07 01:02:57,996 INFO L443 ceAbstractionStarter]: For program point L881(line 881) no Hoare annotation was computed. [2019-11-07 01:02:57,996 INFO L443 ceAbstractionStarter]: For program point L880(line 880) no Hoare annotation was computed. [2019-11-07 01:02:57,996 INFO L443 ceAbstractionStarter]: For program point L879(line 879) no Hoare annotation was computed. [2019-11-07 01:02:57,996 INFO L443 ceAbstractionStarter]: For program point L878(line 878) no Hoare annotation was computed. [2019-11-07 01:02:57,997 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 720 728) no Hoare annotation was computed. [2019-11-07 01:02:57,997 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 720 728) the Hoare annotation is: true [2019-11-07 01:02:57,997 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 720 728) no Hoare annotation was computed. [2019-11-07 01:02:57,997 INFO L443 ceAbstractionStarter]: For program point L736(lines 736 744) no Hoare annotation was computed. [2019-11-07 01:02:57,997 INFO L443 ceAbstractionStarter]: For program point L736-2(lines 736 744) no Hoare annotation was computed. [2019-11-07 01:02:57,997 INFO L443 ceAbstractionStarter]: For program point L759(line 759) no Hoare annotation was computed. [2019-11-07 01:02:57,998 INFO L443 ceAbstractionStarter]: For program point L759-1(line 759) no Hoare annotation was computed. [2019-11-07 01:02:57,998 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 729 764) no Hoare annotation was computed. [2019-11-07 01:02:57,998 INFO L443 ceAbstractionStarter]: For program point L748(lines 748 756) no Hoare annotation was computed. [2019-11-07 01:02:57,998 INFO L443 ceAbstractionStarter]: For program point L748-2(lines 748 756) no Hoare annotation was computed. [2019-11-07 01:02:57,998 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 729 764) no Hoare annotation was computed. [2019-11-07 01:02:57,998 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 729 764) no Hoare annotation was computed. [2019-11-07 01:02:57,998 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2019-11-07 01:02:57,998 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2019-11-07 01:02:57,999 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 93 138) no Hoare annotation was computed. [2019-11-07 01:02:57,999 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 93 138) no Hoare annotation was computed. [2019-11-07 01:02:57,999 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 93 138) no Hoare annotation was computed. [2019-11-07 01:02:57,999 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 406 451) no Hoare annotation was computed. [2019-11-07 01:02:57,999 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 406 451) no Hoare annotation was computed. [2019-11-07 01:02:57,999 INFO L443 ceAbstractionStarter]: For program point L426(lines 426 433) no Hoare annotation was computed. [2019-11-07 01:02:57,999 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 406 451) no Hoare annotation was computed. [2019-11-07 01:02:58,000 INFO L443 ceAbstractionStarter]: For program point L420(lines 420 440) no Hoare annotation was computed. [2019-11-07 01:02:58,000 INFO L443 ceAbstractionStarter]: For program point L420-1(lines 420 440) no Hoare annotation was computed. [2019-11-07 01:02:58,000 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 904 914) the Hoare annotation is: true [2019-11-07 01:02:58,000 INFO L446 ceAbstractionStarter]: At program point L909(line 909) the Hoare annotation is: true [2019-11-07 01:02:58,000 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 904 914) no Hoare annotation was computed. [2019-11-07 01:02:58,000 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 904 914) no Hoare annotation was computed. [2019-11-07 01:02:58,000 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 709 719) no Hoare annotation was computed. [2019-11-07 01:02:58,001 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 709 719) no Hoare annotation was computed. [2019-11-07 01:02:58,001 INFO L443 ceAbstractionStarter]: For program point L714(line 714) no Hoare annotation was computed. [2019-11-07 01:02:58,001 INFO L443 ceAbstractionStarter]: For program point L714-1(line 714) no Hoare annotation was computed. [2019-11-07 01:02:58,001 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 709 719) no Hoare annotation was computed. [2019-11-07 01:02:58,001 INFO L443 ceAbstractionStarter]: For program point deactivatePumpENTRY(lines 701 708) no Hoare annotation was computed. [2019-11-07 01:02:58,001 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 701 708) no Hoare annotation was computed. [2019-11-07 01:02:58,001 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 701 708) no Hoare annotation was computed. [2019-11-07 01:02:58,001 INFO L443 ceAbstractionStarter]: For program point L543(lines 543 549) no Hoare annotation was computed. [2019-11-07 01:02:58,002 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 539 552) no Hoare annotation was computed. [2019-11-07 01:02:58,002 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 539 552) the Hoare annotation is: true [2019-11-07 01:02:58,002 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 539 552) no Hoare annotation was computed. [2019-11-07 01:02:58,002 INFO L443 ceAbstractionStarter]: For program point L674-1(line 674) no Hoare annotation was computed. [2019-11-07 01:02:58,002 INFO L443 ceAbstractionStarter]: For program point L672(lines 672 689) no Hoare annotation was computed. [2019-11-07 01:02:58,002 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 668 692) no Hoare annotation was computed. [2019-11-07 01:02:58,002 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 668 692) the Hoare annotation is: true [2019-11-07 01:02:58,003 INFO L446 ceAbstractionStarter]: At program point L687(line 687) the Hoare annotation is: true [2019-11-07 01:02:58,003 INFO L443 ceAbstractionStarter]: For program point L687-1(lines 668 692) no Hoare annotation was computed. [2019-11-07 01:02:58,003 INFO L446 ceAbstractionStarter]: At program point L682(line 682) the Hoare annotation is: true [2019-11-07 01:02:58,003 INFO L446 ceAbstractionStarter]: At program point L678(line 678) the Hoare annotation is: true [2019-11-07 01:02:58,003 INFO L443 ceAbstractionStarter]: For program point L676(lines 676 684) no Hoare annotation was computed. [2019-11-07 01:02:58,003 INFO L446 ceAbstractionStarter]: At program point L674(line 674) the Hoare annotation is: true [2019-11-07 01:02:58,003 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 660 666) no Hoare annotation was computed. [2019-11-07 01:02:58,004 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 660 666) the Hoare annotation is: true [2019-11-07 01:02:58,004 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 557 622) the Hoare annotation is: true [2019-11-07 01:02:58,004 INFO L443 ceAbstractionStarter]: For program point L605(lines 605 609) no Hoare annotation was computed. [2019-11-07 01:02:58,004 INFO L446 ceAbstractionStarter]: At program point L605-2(lines 597 610) the Hoare annotation is: true [2019-11-07 01:02:58,004 INFO L443 ceAbstractionStarter]: For program point L568(lines 567 614) no Hoare annotation was computed. [2019-11-07 01:02:58,004 INFO L446 ceAbstractionStarter]: At program point L599(line 599) the Hoare annotation is: true [2019-11-07 01:02:58,004 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 557 622) no Hoare annotation was computed. [2019-11-07 01:02:58,005 INFO L443 ceAbstractionStarter]: For program point L597(lines 597 610) no Hoare annotation was computed. [2019-11-07 01:02:58,005 INFO L446 ceAbstractionStarter]: At program point L589(line 589) the Hoare annotation is: true [2019-11-07 01:02:58,005 INFO L443 ceAbstractionStarter]: For program point L587(lines 587 593) no Hoare annotation was computed. [2019-11-07 01:02:58,005 INFO L443 ceAbstractionStarter]: For program point L587-1(lines 587 593) no Hoare annotation was computed. [2019-11-07 01:02:58,005 INFO L446 ceAbstractionStarter]: At program point L612(lines 567 614) the Hoare annotation is: true [2019-11-07 01:02:58,005 INFO L446 ceAbstractionStarter]: At program point L579(line 579) the Hoare annotation is: true [2019-11-07 01:02:58,005 INFO L443 ceAbstractionStarter]: For program point L577(lines 577 583) no Hoare annotation was computed. [2019-11-07 01:02:58,006 INFO L443 ceAbstractionStarter]: For program point L577-1(lines 577 583) no Hoare annotation was computed. [2019-11-07 01:02:58,006 INFO L443 ceAbstractionStarter]: For program point L569(lines 569 573) no Hoare annotation was computed. [2019-11-07 01:02:58,006 INFO L446 ceAbstractionStarter]: At program point L615(lines 566 616) the Hoare annotation is: true [2019-11-07 01:02:58,006 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 557 622) no Hoare annotation was computed. [2019-11-07 01:02:58,006 INFO L443 ceAbstractionStarter]: For program point L380(lines 380 387) no Hoare annotation was computed. [2019-11-07 01:02:58,006 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 360 405) no Hoare annotation was computed. [2019-11-07 01:02:58,006 INFO L443 ceAbstractionStarter]: For program point L374(lines 374 394) no Hoare annotation was computed. [2019-11-07 01:02:58,006 INFO L443 ceAbstractionStarter]: For program point L374-1(lines 374 394) no Hoare annotation was computed. [2019-11-07 01:02:58,007 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 360 405) no Hoare annotation was computed. [2019-11-07 01:02:58,007 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 360 405) no Hoare annotation was computed. [2019-11-07 01:02:58,007 INFO L443 ceAbstractionStarter]: For program point L515-2(lines 515 523) no Hoare annotation was computed. [2019-11-07 01:02:58,007 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 507 529) no Hoare annotation was computed. [2019-11-07 01:02:58,007 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 507 529) no Hoare annotation was computed. [2019-11-07 01:02:58,007 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 507 529) no Hoare annotation was computed. [2019-11-07 01:02:58,008 INFO L443 ceAbstractionStarter]: For program point L515(lines 515 523) no Hoare annotation was computed. [2019-11-07 01:02:58,008 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2019-11-07 01:02:58,008 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2019-11-07 01:02:58,008 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2019-11-07 01:02:58,008 INFO L443 ceAbstractionStarter]: For program point L322-1(line 322) no Hoare annotation was computed. [2019-11-07 01:02:58,008 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 257 359) no Hoare annotation was computed. [2019-11-07 01:02:58,008 INFO L443 ceAbstractionStarter]: For program point L281(lines 281 285) no Hoare annotation was computed. [2019-11-07 01:02:58,008 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 356) no Hoare annotation was computed. [2019-11-07 01:02:58,009 INFO L443 ceAbstractionStarter]: For program point L308(lines 308 312) no Hoare annotation was computed. [2019-11-07 01:02:58,009 INFO L443 ceAbstractionStarter]: For program point L306-2(lines 306 326) no Hoare annotation was computed. [2019-11-07 01:02:58,009 INFO L443 ceAbstractionStarter]: For program point L327(lines 305 328) no Hoare annotation was computed. [2019-11-07 01:02:58,009 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 257 359) no Hoare annotation was computed. [2019-11-07 01:02:58,009 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 302) no Hoare annotation was computed. [2019-11-07 01:02:58,009 INFO L443 ceAbstractionStarter]: For program point L346(lines 346 353) no Hoare annotation was computed. [2019-11-07 01:02:58,009 INFO L443 ceAbstractionStarter]: For program point L307(lines 306 326) no Hoare annotation was computed. [2019-11-07 01:02:58,009 INFO L443 ceAbstractionStarter]: For program point L338(line 338) no Hoare annotation was computed. [2019-11-07 01:02:58,010 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 257 359) no Hoare annotation was computed. [2019-11-07 01:02:58,010 INFO L443 ceAbstractionStarter]: For program point L338-1(line 338) no Hoare annotation was computed. [2019-11-07 01:02:58,010 INFO L443 ceAbstractionStarter]: For program point L303(lines 303 344) no Hoare annotation was computed. [2019-11-07 01:02:58,010 INFO L443 ceAbstractionStarter]: For program point L322(line 322) no Hoare annotation was computed. [2019-11-07 01:02:58,010 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:02:58,010 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= 1 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2019-11-07 01:02:58,011 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:02:58,011 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 693 700) no Hoare annotation was computed. [2019-11-07 01:02:58,011 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 693 700) no Hoare annotation was computed. [2019-11-07 01:02:58,011 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 693 700) the Hoare annotation is: true [2019-11-07 01:02:58,011 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 530 538) the Hoare annotation is: true [2019-11-07 01:02:58,011 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 530 538) no Hoare annotation was computed. [2019-11-07 01:02:58,011 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 530 538) no Hoare annotation was computed. [2019-11-07 01:02:58,012 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 765 783) no Hoare annotation was computed. [2019-11-07 01:02:58,012 INFO L443 ceAbstractionStarter]: For program point L774(lines 774 778) no Hoare annotation was computed. [2019-11-07 01:02:58,012 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 765 783) the Hoare annotation is: true [2019-11-07 01:02:58,012 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 765 783) no Hoare annotation was computed. [2019-11-07 01:02:58,012 INFO L446 ceAbstractionStarter]: At program point L772(line 772) the Hoare annotation is: true [2019-11-07 01:02:58,012 INFO L443 ceAbstractionStarter]: For program point L774-2(lines 774 778) no Hoare annotation was computed. [2019-11-07 01:02:58,012 INFO L443 ceAbstractionStarter]: For program point L772-1(line 772) no Hoare annotation was computed. [2019-11-07 01:02:58,013 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:02:58,013 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-11-07 01:02:58,013 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:02:58,013 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 486 497) the Hoare annotation is: true [2019-11-07 01:02:58,013 INFO L443 ceAbstractionStarter]: For program point L490-1(lines 486 497) no Hoare annotation was computed. [2019-11-07 01:02:58,013 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 486 497) no Hoare annotation was computed. [2019-11-07 01:02:58,013 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 498 506) no Hoare annotation was computed. [2019-11-07 01:02:58,014 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 498 506) no Hoare annotation was computed. [2019-11-07 01:02:58,014 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 498 506) no Hoare annotation was computed. [2019-11-07 01:02:58,014 INFO L443 ceAbstractionStarter]: For program point L640(lines 636 658) no Hoare annotation was computed. [2019-11-07 01:02:58,014 INFO L443 ceAbstractionStarter]: For program point L638(lines 636 658) no Hoare annotation was computed. [2019-11-07 01:02:58,014 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 633 659) the Hoare annotation is: true [2019-11-07 01:02:58,014 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 633 659) no Hoare annotation was computed. [2019-11-07 01:02:58,014 INFO L446 ceAbstractionStarter]: At program point L649(line 649) the Hoare annotation is: true [2019-11-07 01:02:58,014 INFO L446 ceAbstractionStarter]: At program point L647(lines 647 653) the Hoare annotation is: true [2019-11-07 01:02:58,015 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 633 659) no Hoare annotation was computed. [2019-11-07 01:02:58,015 INFO L446 ceAbstractionStarter]: At program point L642(line 642) the Hoare annotation is: true [2019-11-07 01:02:58,015 INFO L443 ceAbstractionStarter]: For program point L864(line 864) no Hoare annotation was computed. [2019-11-07 01:02:58,015 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 843 872) no Hoare annotation was computed. [2019-11-07 01:02:58,015 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 843 872) the Hoare annotation is: true [2019-11-07 01:02:58,015 INFO L443 ceAbstractionStarter]: For program point L857(lines 857 861) no Hoare annotation was computed. [2019-11-07 01:02:58,015 INFO L446 ceAbstractionStarter]: At program point L857-1(lines 857 861) the Hoare annotation is: true [2019-11-07 01:02:58,016 INFO L443 ceAbstractionStarter]: For program point L854(line 854) no Hoare annotation was computed. [2019-11-07 01:02:58,016 INFO L446 ceAbstractionStarter]: At program point L853-2(lines 853 867) the Hoare annotation is: true [2019-11-07 01:02:58,016 INFO L446 ceAbstractionStarter]: At program point L849(line 849) the Hoare annotation is: true [2019-11-07 01:02:58,016 INFO L443 ceAbstractionStarter]: For program point L849-1(line 849) no Hoare annotation was computed. [2019-11-07 01:02:58,016 INFO L446 ceAbstractionStarter]: At program point L868(lines 843 872) the Hoare annotation is: true [2019-11-07 01:02:58,016 INFO L443 ceAbstractionStarter]: For program point L466-1(lines 462 473) no Hoare annotation was computed. [2019-11-07 01:02:58,017 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 462 473) the Hoare annotation is: true [2019-11-07 01:02:58,017 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 462 473) no Hoare annotation was computed. [2019-11-07 01:02:58,017 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 897 903) no Hoare annotation was computed. [2019-11-07 01:02:58,017 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 897 903) the Hoare annotation is: true [2019-11-07 01:02:58,017 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:02:58,017 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-11-07 01:02:58,017 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 01:02:58,018 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:02:58,018 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 784 791) no Hoare annotation was computed. [2019-11-07 01:02:58,018 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 784 791) the Hoare annotation is: true [2019-11-07 01:02:58,018 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 784 791) no Hoare annotation was computed. [2019-11-07 01:02:58,018 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 474 485) no Hoare annotation was computed. [2019-11-07 01:02:58,018 INFO L443 ceAbstractionStarter]: For program point L478-1(lines 474 485) no Hoare annotation was computed. [2019-11-07 01:02:58,018 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 474 485) the Hoare annotation is: true [2019-11-07 01:02:58,019 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2019-11-07 01:02:58,019 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 78 85) no Hoare annotation was computed. [2019-11-07 01:02:58,019 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 78 85) the Hoare annotation is: true [2019-11-07 01:02:58,019 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 78 85) no Hoare annotation was computed. [2019-11-07 01:02:58,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:02:58 BoogieIcfgContainer [2019-11-07 01:02:58,055 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 01:02:58,057 INFO L168 Benchmark]: Toolchain (without parser) took 8511.66 ms. Allocated memory was 138.4 MB in the beginning and 328.2 MB in the end (delta: 189.8 MB). Free memory was 101.8 MB in the beginning and 289.5 MB in the end (delta: -187.6 MB). Peak memory consumption was 205.4 MB. Max. memory is 7.1 GB. [2019-11-07 01:02:58,059 INFO L168 Benchmark]: CDTParser took 1.26 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-11-07 01:02:58,059 INFO L168 Benchmark]: CACSL2BoogieTranslator took 620.04 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 101.6 MB in the beginning and 169.4 MB in the end (delta: -67.8 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. [2019-11-07 01:02:58,065 INFO L168 Benchmark]: Boogie Preprocessor took 134.18 ms. Allocated memory is still 202.9 MB. Free memory was 169.4 MB in the beginning and 164.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-11-07 01:02:58,066 INFO L168 Benchmark]: RCFGBuilder took 1149.60 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 164.7 MB in the beginning and 195.4 MB in the end (delta: -30.7 MB). Peak memory consumption was 81.5 MB. Max. memory is 7.1 GB. [2019-11-07 01:02:58,067 INFO L168 Benchmark]: TraceAbstraction took 6603.34 ms. Allocated memory was 235.9 MB in the beginning and 328.2 MB in the end (delta: 92.3 MB). Free memory was 195.4 MB in the beginning and 289.5 MB in the end (delta: -94.1 MB). Peak memory consumption was 201.4 MB. Max. memory is 7.1 GB. [2019-11-07 01:02:58,071 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.26 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 620.04 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 101.6 MB in the beginning and 169.4 MB in the end (delta: -67.8 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 134.18 ms. Allocated memory is still 202.9 MB. Free memory was 169.4 MB in the beginning and 164.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1149.60 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 164.7 MB in the beginning and 195.4 MB in the end (delta: -30.7 MB). Peak memory consumption was 81.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6603.34 ms. Allocated memory was 235.9 MB in the beginning and 328.2 MB in the end (delta: 92.3 MB). Free memory was 195.4 MB in the beginning and 289.5 MB in the end (delta: -94.1 MB). Peak memory consumption was 201.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: 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: 567]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 566]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 229 locations, 1 error locations. Result: SAFE, OverallTime: 6.5s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 1298 SDtfs, 934 SDslu, 2531 SDs, 0 SdLazy, 1488 SolverSat, 347 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 386 GetRequests, 308 SyntacticMatches, 6 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=652occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 128 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 677 PreInvPairs, 678 NumberOfFragments, 64 HoareAnnotationTreeSize, 677 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 54 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 972 NumberOfCodeBlocks, 972 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1096 ConstructedInterpolants, 0 QuantifiedInterpolants, 192700 SizeOfPredicates, 4 NumberOfNonLiveVariables, 887 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 121/144 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 129, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.8888888888888888, 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...