java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:21:55,149 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:21:55,153 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:21:55,173 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:21:55,173 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:21:55,175 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:21:55,177 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:21:55,180 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:21:55,187 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:21:55,188 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:21:55,190 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:21:55,191 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:21:55,192 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:21:55,193 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:21:55,196 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:21:55,197 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:21:55,199 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:21:55,200 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:21:55,206 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:21:55,208 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:21:55,213 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:21:55,215 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:21:55,216 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:21:55,216 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:21:55,221 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:21:55,221 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:21:55,221 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:21:55,223 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:21:55,225 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:21:55,226 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:21:55,226 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:21:55,229 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:21:55,230 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:21:55,231 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:21:55,234 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:21:55,234 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:21:55,235 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:21:55,235 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:21:55,235 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:21:55,237 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:21:55,241 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:21:55,242 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 21:21:55,258 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:21:55,258 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:21:55,260 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:21:55,260 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:21:55,260 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:21:55,260 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:21:55,260 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:21:55,261 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:21:55,261 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:21:55,261 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:21:55,261 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:21:55,261 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:21:55,262 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:21:55,262 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:21:55,262 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:21:55,263 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:21:55,263 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:21:55,264 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:21:55,264 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:21:55,264 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:21:55,264 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:21:55,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:21:55,265 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:21:55,265 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:21:55,265 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:21:55,265 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:21:55,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:21:55,266 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:21:55,266 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 21:21:55,577 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:21:55,592 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:21:55,595 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:21:55,597 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:21:55,598 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:21:55,599 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product25.cil.c [2019-10-13 21:21:55,680 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e58e1077/12cb44eaa3504e33962f13f3df7a4fcf/FLAG59ff93fe3 [2019-10-13 21:21:56,234 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:21:56,235 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product25.cil.c [2019-10-13 21:21:56,259 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e58e1077/12cb44eaa3504e33962f13f3df7a4fcf/FLAG59ff93fe3 [2019-10-13 21:21:56,541 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e58e1077/12cb44eaa3504e33962f13f3df7a4fcf [2019-10-13 21:21:56,552 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:21:56,554 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:21:56,555 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:21:56,555 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:21:56,559 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:21:56,560 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:21:56" (1/1) ... [2019-10-13 21:21:56,563 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4626f4a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:56, skipping insertion in model container [2019-10-13 21:21:56,563 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:21:56" (1/1) ... [2019-10-13 21:21:56,572 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:21:56,630 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:21:57,068 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:21:57,082 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:21:57,158 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:21:57,205 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:21:57,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:57 WrapperNode [2019-10-13 21:21:57,206 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:21:57,207 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:21:57,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:21:57,208 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:21:57,223 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:57" (1/1) ... [2019-10-13 21:21:57,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:57" (1/1) ... [2019-10-13 21:21:57,259 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:57" (1/1) ... [2019-10-13 21:21:57,260 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:57" (1/1) ... [2019-10-13 21:21:57,294 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:57" (1/1) ... [2019-10-13 21:21:57,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:57" (1/1) ... [2019-10-13 21:21:57,316 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:57" (1/1) ... [2019-10-13 21:21:57,326 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:21:57,327 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:21:57,327 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:21:57,327 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:21:57,328 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:21:57,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:21:57,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:21:57,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:21:57,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:21:57,380 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:21:57,381 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:21:57,382 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:21:57,382 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:21:57,382 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 21:21:57,383 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:21:57,383 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:21:57,383 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:21:57,383 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:21:57,384 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:21:57,384 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 21:21:57,384 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:21:57,387 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:21:57,387 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:21:57,387 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:21:57,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-13 21:21:57,387 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:21:57,387 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:21:57,388 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:21:57,388 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:21:57,388 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:21:57,388 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:21:57,388 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 21:21:57,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:21:57,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:21:57,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:21:57,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:21:57,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:21:57,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:21:57,390 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:21:57,390 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:21:57,390 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:21:57,390 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:21:57,390 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:21:57,391 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:21:57,391 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:21:57,391 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:21:57,391 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:21:57,391 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:21:57,391 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:21:57,391 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:21:57,391 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:21:57,391 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:21:57,391 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:21:57,392 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:21:57,392 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:21:57,392 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 21:21:57,392 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:21:57,392 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:21:57,392 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:21:57,392 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:21:57,392 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-13 21:21:57,392 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:21:57,392 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:21:57,393 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 21:21:57,393 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 21:21:57,393 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:21:57,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:21:57,393 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:21:57,393 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:21:57,394 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:21:57,394 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:21:57,394 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:21:57,394 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:21:57,394 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:21:57,394 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:21:57,395 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:21:57,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:21:57,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:21:57,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:21:57,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:21:57,395 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:21:57,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:21:57,396 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:21:57,396 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:21:57,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:21:57,396 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:21:57,396 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:21:57,396 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:21:57,397 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:21:57,397 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:21:57,397 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:21:57,397 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:21:57,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:21:57,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:21:57,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:21:58,454 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:21:58,454 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:21:58,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:21:58 BoogieIcfgContainer [2019-10-13 21:21:58,456 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:21:58,457 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:21:58,458 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:21:58,461 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:21:58,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:21:56" (1/3) ... [2019-10-13 21:21:58,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44969160 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:21:58, skipping insertion in model container [2019-10-13 21:21:58,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:57" (2/3) ... [2019-10-13 21:21:58,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44969160 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:21:58, skipping insertion in model container [2019-10-13 21:21:58,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:21:58" (3/3) ... [2019-10-13 21:21:58,465 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product25.cil.c [2019-10-13 21:21:58,475 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:21:58,484 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:21:58,496 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:21:58,536 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:21:58,537 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:21:58,537 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:21:58,537 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:21:58,538 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:21:58,538 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:21:58,538 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:21:58,538 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:21:58,564 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2019-10-13 21:21:58,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 21:21:58,573 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:58,574 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:58,576 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:58,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:58,583 INFO L82 PathProgramCache]: Analyzing trace with hash -1693195754, now seen corresponding path program 1 times [2019-10-13 21:21:58,593 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:58,593 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125798404] [2019-10-13 21:21:58,593 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:58,594 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:58,594 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:58,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:58,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:58,967 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125798404] [2019-10-13 21:21:58,968 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:58,970 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:21:58,970 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592023525] [2019-10-13 21:21:58,976 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:21:58,977 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:58,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:21:58,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:21:58,993 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 2 states. [2019-10-13 21:21:59,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:59,053 INFO L93 Difference]: Finished difference Result 208 states and 259 transitions. [2019-10-13 21:21:59,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:21:59,057 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-13 21:21:59,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:59,083 INFO L225 Difference]: With dead ends: 208 [2019-10-13 21:21:59,084 INFO L226 Difference]: Without dead ends: 104 [2019-10-13 21:21:59,102 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:21:59,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2019-10-13 21:21:59,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2019-10-13 21:21:59,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2019-10-13 21:21:59,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 121 transitions. [2019-10-13 21:21:59,198 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 121 transitions. Word has length 46 [2019-10-13 21:21:59,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:59,199 INFO L462 AbstractCegarLoop]: Abstraction has 104 states and 121 transitions. [2019-10-13 21:21:59,199 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:21:59,199 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 121 transitions. [2019-10-13 21:21:59,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 21:21:59,205 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:59,205 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:59,206 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:59,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:59,207 INFO L82 PathProgramCache]: Analyzing trace with hash -1772398770, now seen corresponding path program 1 times [2019-10-13 21:21:59,208 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:59,208 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721296467] [2019-10-13 21:21:59,208 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:59,208 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:59,208 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:59,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:59,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:59,370 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721296467] [2019-10-13 21:21:59,370 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:59,370 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:21:59,370 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894116472] [2019-10-13 21:21:59,373 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:21:59,374 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:59,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:21:59,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:21:59,375 INFO L87 Difference]: Start difference. First operand 104 states and 121 transitions. Second operand 3 states. [2019-10-13 21:21:59,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:59,406 INFO L93 Difference]: Finished difference Result 157 states and 181 transitions. [2019-10-13 21:21:59,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:21:59,407 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-13 21:21:59,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:59,411 INFO L225 Difference]: With dead ends: 157 [2019-10-13 21:21:59,411 INFO L226 Difference]: Without dead ends: 95 [2019-10-13 21:21:59,413 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:21:59,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2019-10-13 21:21:59,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2019-10-13 21:21:59,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-10-13 21:21:59,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 109 transitions. [2019-10-13 21:21:59,433 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 109 transitions. Word has length 47 [2019-10-13 21:21:59,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:59,434 INFO L462 AbstractCegarLoop]: Abstraction has 95 states and 109 transitions. [2019-10-13 21:21:59,434 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:21:59,434 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2019-10-13 21:21:59,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-13 21:21:59,439 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:59,439 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:59,440 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:59,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:59,440 INFO L82 PathProgramCache]: Analyzing trace with hash 1028244918, now seen corresponding path program 1 times [2019-10-13 21:21:59,440 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:59,441 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691663157] [2019-10-13 21:21:59,441 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:59,441 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:59,441 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:59,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:59,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:59,565 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691663157] [2019-10-13 21:21:59,565 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:59,566 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:21:59,566 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269007913] [2019-10-13 21:21:59,566 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:21:59,567 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:59,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:21:59,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:21:59,569 INFO L87 Difference]: Start difference. First operand 95 states and 109 transitions. Second operand 3 states. [2019-10-13 21:21:59,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:59,603 INFO L93 Difference]: Finished difference Result 166 states and 195 transitions. [2019-10-13 21:21:59,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:21:59,606 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2019-10-13 21:21:59,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:59,608 INFO L225 Difference]: With dead ends: 166 [2019-10-13 21:21:59,608 INFO L226 Difference]: Without dead ends: 95 [2019-10-13 21:21:59,610 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:21:59,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2019-10-13 21:21:59,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2019-10-13 21:21:59,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-10-13 21:21:59,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 108 transitions. [2019-10-13 21:21:59,627 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 108 transitions. Word has length 51 [2019-10-13 21:21:59,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:59,627 INFO L462 AbstractCegarLoop]: Abstraction has 95 states and 108 transitions. [2019-10-13 21:21:59,628 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:21:59,628 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 108 transitions. [2019-10-13 21:21:59,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-13 21:21:59,632 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:59,632 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:59,633 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:59,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:59,633 INFO L82 PathProgramCache]: Analyzing trace with hash 1294561485, now seen corresponding path program 1 times [2019-10-13 21:21:59,633 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:59,633 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789405228] [2019-10-13 21:21:59,633 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:59,634 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:59,634 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:59,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:59,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:59,866 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789405228] [2019-10-13 21:21:59,866 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:59,867 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 21:21:59,867 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471396264] [2019-10-13 21:21:59,868 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 21:21:59,868 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:59,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 21:21:59,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:21:59,869 INFO L87 Difference]: Start difference. First operand 95 states and 108 transitions. Second operand 10 states. [2019-10-13 21:22:00,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:00,482 INFO L93 Difference]: Finished difference Result 288 states and 353 transitions. [2019-10-13 21:22:00,483 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-13 21:22:00,483 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 59 [2019-10-13 21:22:00,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:00,487 INFO L225 Difference]: With dead ends: 288 [2019-10-13 21:22:00,487 INFO L226 Difference]: Without dead ends: 217 [2019-10-13 21:22:00,489 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-10-13 21:22:00,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2019-10-13 21:22:00,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 213. [2019-10-13 21:22:00,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2019-10-13 21:22:00,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 252 transitions. [2019-10-13 21:22:00,527 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 252 transitions. Word has length 59 [2019-10-13 21:22:00,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:00,528 INFO L462 AbstractCegarLoop]: Abstraction has 213 states and 252 transitions. [2019-10-13 21:22:00,528 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 21:22:00,528 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 252 transitions. [2019-10-13 21:22:00,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-10-13 21:22:00,530 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:00,530 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:00,530 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:00,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:00,531 INFO L82 PathProgramCache]: Analyzing trace with hash 1693659129, now seen corresponding path program 1 times [2019-10-13 21:22:00,531 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:00,531 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342627702] [2019-10-13 21:22:00,531 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:00,531 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:00,532 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:00,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:00,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:22:00,609 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342627702] [2019-10-13 21:22:00,609 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:00,609 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:22:00,610 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855323022] [2019-10-13 21:22:00,611 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:22:00,612 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:00,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:22:00,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:22:00,613 INFO L87 Difference]: Start difference. First operand 213 states and 252 transitions. Second operand 3 states. [2019-10-13 21:22:00,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:00,632 INFO L93 Difference]: Finished difference Result 338 states and 409 transitions. [2019-10-13 21:22:00,633 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:22:00,633 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2019-10-13 21:22:00,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:00,636 INFO L225 Difference]: With dead ends: 338 [2019-10-13 21:22:00,636 INFO L226 Difference]: Without dead ends: 149 [2019-10-13 21:22:00,638 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:22:00,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2019-10-13 21:22:00,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2019-10-13 21:22:00,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2019-10-13 21:22:00,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 167 transitions. [2019-10-13 21:22:00,652 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 167 transitions. Word has length 67 [2019-10-13 21:22:00,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:00,653 INFO L462 AbstractCegarLoop]: Abstraction has 149 states and 167 transitions. [2019-10-13 21:22:00,653 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:22:00,653 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 167 transitions. [2019-10-13 21:22:00,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-10-13 21:22:00,655 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:00,655 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-13 21:22:00,655 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:00,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:00,656 INFO L82 PathProgramCache]: Analyzing trace with hash -562526623, now seen corresponding path program 1 times [2019-10-13 21:22:00,656 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:00,656 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096932191] [2019-10-13 21:22:00,656 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:00,656 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:00,657 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:00,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:00,810 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-10-13 21:22:00,810 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096932191] [2019-10-13 21:22:00,810 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1356685290] [2019-10-13 21:22:00,811 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:01,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:01,041 INFO L256 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-13 21:22:01,052 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:22:01,183 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 28 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:22:01,183 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:22:01,311 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:22:01,322 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:22:01,434 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-13 21:22:01,434 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [1636301308] [2019-10-13 21:22:01,442 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 99 [2019-10-13 21:22:01,488 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-13 21:22:01,488 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-13 21:22:01,553 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-13 21:22:01,554 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 68 root evaluator evaluations with a maximum evaluation depth of 0. Performed 68 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 126 variables. [2019-10-13 21:22:01,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:01,559 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-13 21:22:01,601 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-13 21:22:01,601 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-13 21:22:01,608 INFO L553 sIntCurrentIteration]: We unified 97 AI predicates to 97 [2019-10-13 21:22:01,608 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-13 21:22:01,609 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-13 21:22:01,609 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7, 7, 8] total 15 [2019-10-13 21:22:01,609 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019720506] [2019-10-13 21:22:01,610 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:22:01,610 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:01,611 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-13 21:22:01,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:22:01,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:01,614 INFO L87 Difference]: Start difference. First operand 149 states and 167 transitions. Second operand 2 states. [2019-10-13 21:22:01,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:01,617 INFO L93 Difference]: Finished difference Result 149 states and 167 transitions. [2019-10-13 21:22:01,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:22:01,618 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 98 [2019-10-13 21:22:01,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:01,620 INFO L225 Difference]: With dead ends: 149 [2019-10-13 21:22:01,620 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:22:01,621 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:01,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:22:01,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:22:01,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:22:01,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:22:01,624 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 98 [2019-10-13 21:22:01,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:01,624 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:22:01,624 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:22:01,624 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:22:01,624 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:22:01,825 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:01,831 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:22:01,987 INFO L443 ceAbstractionStarter]: For program point L534(lines 534 538) no Hoare annotation was computed. [2019-10-13 21:22:01,988 INFO L443 ceAbstractionStarter]: For program point L534-1(lines 534 538) no Hoare annotation was computed. [2019-10-13 21:22:01,988 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 503 558) no Hoare annotation was computed. [2019-10-13 21:22:01,988 INFO L443 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2019-10-13 21:22:01,988 INFO L443 ceAbstractionStarter]: For program point L528-2(lines 528 549) no Hoare annotation was computed. [2019-10-13 21:22:01,988 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 503 558) no Hoare annotation was computed. [2019-10-13 21:22:01,988 INFO L443 ceAbstractionStarter]: For program point L550(lines 527 551) no Hoare annotation was computed. [2019-10-13 21:22:01,988 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 503 558) no Hoare annotation was computed. [2019-10-13 21:22:01,988 INFO L443 ceAbstractionStarter]: For program point L604(line 604) no Hoare annotation was computed. [2019-10-13 21:22:01,989 INFO L443 ceAbstractionStarter]: For program point L604-1(line 604) no Hoare annotation was computed. [2019-10-13 21:22:01,989 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 559 618) no Hoare annotation was computed. [2019-10-13 21:22:01,989 INFO L443 ceAbstractionStarter]: For program point L591(lines 591 595) no Hoare annotation was computed. [2019-10-13 21:22:01,989 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 559 618) no Hoare annotation was computed. [2019-10-13 21:22:01,989 INFO L443 ceAbstractionStarter]: For program point L591-1(lines 591 595) no Hoare annotation was computed. [2019-10-13 21:22:01,989 INFO L443 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2019-10-13 21:22:01,989 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 559 618) no Hoare annotation was computed. [2019-10-13 21:22:01,989 INFO L443 ceAbstractionStarter]: For program point L585-2(lines 585 610) no Hoare annotation was computed. [2019-10-13 21:22:01,990 INFO L443 ceAbstractionStarter]: For program point L611(lines 584 612) no Hoare annotation was computed. [2019-10-13 21:22:01,990 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 318 324) the Hoare annotation is: true [2019-10-13 21:22:01,994 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 318 324) no Hoare annotation was computed. [2019-10-13 21:22:01,994 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 325 333) no Hoare annotation was computed. [2019-10-13 21:22:01,994 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 325 333) the Hoare annotation is: true [2019-10-13 21:22:01,994 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 325 333) no Hoare annotation was computed. [2019-10-13 21:22:01,994 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 336 360) the Hoare annotation is: true [2019-10-13 21:22:01,995 INFO L446 ceAbstractionStarter]: At program point L350(line 350) the Hoare annotation is: true [2019-10-13 21:22:01,995 INFO L443 ceAbstractionStarter]: For program point L348(lines 348 354) no Hoare annotation was computed. [2019-10-13 21:22:01,995 INFO L446 ceAbstractionStarter]: At program point L346(line 346) the Hoare annotation is: true [2019-10-13 21:22:01,995 INFO L443 ceAbstractionStarter]: For program point L346-1(line 346) no Hoare annotation was computed. [2019-10-13 21:22:01,995 INFO L443 ceAbstractionStarter]: For program point L344(lines 344 357) no Hoare annotation was computed. [2019-10-13 21:22:01,997 INFO L443 ceAbstractionStarter]: For program point L344-1(lines 336 360) no Hoare annotation was computed. [2019-10-13 21:22:01,997 INFO L446 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: true [2019-10-13 21:22:01,997 INFO L443 ceAbstractionStarter]: For program point L342-1(line 342) no Hoare annotation was computed. [2019-10-13 21:22:01,998 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 336 360) no Hoare annotation was computed. [2019-10-13 21:22:01,998 INFO L443 ceAbstractionStarter]: For program point L897(line 897) no Hoare annotation was computed. [2019-10-13 21:22:01,998 INFO L446 ceAbstractionStarter]: At program point L896(line 896) the Hoare annotation is: true [2019-10-13 21:22:01,998 INFO L446 ceAbstractionStarter]: At program point L895(line 895) the Hoare annotation is: true [2019-10-13 21:22:01,998 INFO L446 ceAbstractionStarter]: At program point L895-1(line 895) the Hoare annotation is: true [2019-10-13 21:22:01,998 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 889 911) the Hoare annotation is: true [2019-10-13 21:22:01,998 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 889 911) no Hoare annotation was computed. [2019-10-13 21:22:01,998 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 889 911) no Hoare annotation was computed. [2019-10-13 21:22:01,998 INFO L446 ceAbstractionStarter]: At program point L901(line 901) the Hoare annotation is: true [2019-10-13 21:22:01,999 INFO L446 ceAbstractionStarter]: At program point L901-1(line 901) the Hoare annotation is: true [2019-10-13 21:22:01,999 INFO L443 ceAbstractionStarter]: For program point L899(lines 899 906) no Hoare annotation was computed. [2019-10-13 21:22:01,999 INFO L443 ceAbstractionStarter]: For program point L899-1(lines 899 906) no Hoare annotation was computed. [2019-10-13 21:22:01,999 INFO L443 ceAbstractionStarter]: For program point L865(line 865) no Hoare annotation was computed. [2019-10-13 21:22:02,000 INFO L443 ceAbstractionStarter]: For program point L864(line 864) no Hoare annotation was computed. [2019-10-13 21:22:02,000 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 848 871) no Hoare annotation was computed. [2019-10-13 21:22:02,001 INFO L443 ceAbstractionStarter]: For program point L863(line 863) no Hoare annotation was computed. [2019-10-13 21:22:02,001 INFO L443 ceAbstractionStarter]: For program point L862(line 862) no Hoare annotation was computed. [2019-10-13 21:22:02,001 INFO L443 ceAbstractionStarter]: For program point L861(line 861) no Hoare annotation was computed. [2019-10-13 21:22:02,001 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 848 871) no Hoare annotation was computed. [2019-10-13 21:22:02,001 INFO L443 ceAbstractionStarter]: For program point L860(line 860) no Hoare annotation was computed. [2019-10-13 21:22:02,001 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 848 871) no Hoare annotation was computed. [2019-10-13 21:22:02,001 INFO L443 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2019-10-13 21:22:02,001 INFO L443 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2019-10-13 21:22:02,002 INFO L443 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2019-10-13 21:22:02,002 INFO L443 ceAbstractionStarter]: For program point L856(line 856) no Hoare annotation was computed. [2019-10-13 21:22:02,002 INFO L443 ceAbstractionStarter]: For program point L855(line 855) no Hoare annotation was computed. [2019-10-13 21:22:02,002 INFO L443 ceAbstractionStarter]: For program point L854(line 854) no Hoare annotation was computed. [2019-10-13 21:22:02,002 INFO L443 ceAbstractionStarter]: For program point L853(line 853) no Hoare annotation was computed. [2019-10-13 21:22:02,002 INFO L443 ceAbstractionStarter]: For program point L866(line 866) no Hoare annotation was computed. [2019-10-13 21:22:02,002 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 232 240) no Hoare annotation was computed. [2019-10-13 21:22:02,002 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 232 240) the Hoare annotation is: true [2019-10-13 21:22:02,002 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 232 240) no Hoare annotation was computed. [2019-10-13 21:22:02,003 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 290) no Hoare annotation was computed. [2019-10-13 21:22:02,003 INFO L446 ceAbstractionStarter]: At program point L284(line 284) the Hoare annotation is: true [2019-10-13 21:22:02,003 INFO L443 ceAbstractionStarter]: For program point L286-2(lines 286 290) no Hoare annotation was computed. [2019-10-13 21:22:02,003 INFO L443 ceAbstractionStarter]: For program point L284-1(line 284) no Hoare annotation was computed. [2019-10-13 21:22:02,003 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 277 295) the Hoare annotation is: true [2019-10-13 21:22:02,003 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 277 295) no Hoare annotation was computed. [2019-10-13 21:22:02,003 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 277 295) no Hoare annotation was computed. [2019-10-13 21:22:02,003 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 256) no Hoare annotation was computed. [2019-10-13 21:22:02,004 INFO L443 ceAbstractionStarter]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2019-10-13 21:22:02,004 INFO L443 ceAbstractionStarter]: For program point L271(line 271) no Hoare annotation was computed. [2019-10-13 21:22:02,004 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 241 276) no Hoare annotation was computed. [2019-10-13 21:22:02,004 INFO L443 ceAbstractionStarter]: For program point L271-1(line 271) no Hoare annotation was computed. [2019-10-13 21:22:02,004 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 241 276) no Hoare annotation was computed. [2019-10-13 21:22:02,004 INFO L443 ceAbstractionStarter]: For program point L260(lines 260 268) no Hoare annotation was computed. [2019-10-13 21:22:02,004 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 241 276) no Hoare annotation was computed. [2019-10-13 21:22:02,004 INFO L443 ceAbstractionStarter]: For program point L260-2(lines 260 268) no Hoare annotation was computed. [2019-10-13 21:22:02,004 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 311 317) no Hoare annotation was computed. [2019-10-13 21:22:02,005 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 311 317) the Hoare annotation is: true [2019-10-13 21:22:02,005 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 457 502) no Hoare annotation was computed. [2019-10-13 21:22:02,005 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 457 502) no Hoare annotation was computed. [2019-10-13 21:22:02,005 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 457 502) no Hoare annotation was computed. [2019-10-13 21:22:02,005 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 770 815) no Hoare annotation was computed. [2019-10-13 21:22:02,005 INFO L443 ceAbstractionStarter]: For program point L790(lines 790 797) no Hoare annotation was computed. [2019-10-13 21:22:02,005 INFO L443 ceAbstractionStarter]: For program point L784(lines 784 804) no Hoare annotation was computed. [2019-10-13 21:22:02,005 INFO L443 ceAbstractionStarter]: For program point L784-1(lines 784 804) no Hoare annotation was computed. [2019-10-13 21:22:02,005 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 770 815) no Hoare annotation was computed. [2019-10-13 21:22:02,006 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 770 815) no Hoare annotation was computed. [2019-10-13 21:22:02,006 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 879 888) the Hoare annotation is: true [2019-10-13 21:22:02,006 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 879 888) no Hoare annotation was computed. [2019-10-13 21:22:02,006 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 879 888) no Hoare annotation was computed. [2019-10-13 21:22:02,006 INFO L443 ceAbstractionStarter]: For program point L226-1(line 226) no Hoare annotation was computed. [2019-10-13 21:22:02,006 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 221 231) no Hoare annotation was computed. [2019-10-13 21:22:02,006 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 221 231) no Hoare annotation was computed. [2019-10-13 21:22:02,006 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 221 231) no Hoare annotation was computed. [2019-10-13 21:22:02,006 INFO L443 ceAbstractionStarter]: For program point L226(line 226) no Hoare annotation was computed. [2019-10-13 21:22:02,007 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 213 220) the Hoare annotation is: true [2019-10-13 21:22:02,007 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 213 220) no Hoare annotation was computed. [2019-10-13 21:22:02,007 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 213 220) no Hoare annotation was computed. [2019-10-13 21:22:02,007 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 162 186) no Hoare annotation was computed. [2019-10-13 21:22:02,007 INFO L446 ceAbstractionStarter]: At program point L181(line 181) the Hoare annotation is: true [2019-10-13 21:22:02,007 INFO L443 ceAbstractionStarter]: For program point L181-1(lines 162 186) no Hoare annotation was computed. [2019-10-13 21:22:02,007 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 162 186) the Hoare annotation is: true [2019-10-13 21:22:02,007 INFO L446 ceAbstractionStarter]: At program point L176(line 176) the Hoare annotation is: true [2019-10-13 21:22:02,008 INFO L446 ceAbstractionStarter]: At program point L172(line 172) the Hoare annotation is: true [2019-10-13 21:22:02,008 INFO L443 ceAbstractionStarter]: For program point L170(lines 170 178) no Hoare annotation was computed. [2019-10-13 21:22:02,008 INFO L446 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: true [2019-10-13 21:22:02,008 INFO L443 ceAbstractionStarter]: For program point L168-1(line 168) no Hoare annotation was computed. [2019-10-13 21:22:02,008 INFO L443 ceAbstractionStarter]: For program point L166(lines 166 183) no Hoare annotation was computed. [2019-10-13 21:22:02,008 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 154 160) no Hoare annotation was computed. [2019-10-13 21:22:02,008 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 154 160) the Hoare annotation is: true [2019-10-13 21:22:02,008 INFO L446 ceAbstractionStarter]: At program point L99-2(lines 93 104) the Hoare annotation is: true [2019-10-13 21:22:02,009 INFO L443 ceAbstractionStarter]: For program point L64(lines 63 108) no Hoare annotation was computed. [2019-10-13 21:22:02,009 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 53 116) the Hoare annotation is: true [2019-10-13 21:22:02,009 INFO L443 ceAbstractionStarter]: For program point L93(lines 93 104) no Hoare annotation was computed. [2019-10-13 21:22:02,009 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 53 116) no Hoare annotation was computed. [2019-10-13 21:22:02,009 INFO L446 ceAbstractionStarter]: At program point L85(line 85) the Hoare annotation is: true [2019-10-13 21:22:02,009 INFO L443 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-10-13 21:22:02,009 INFO L443 ceAbstractionStarter]: For program point L83-1(lines 83 89) no Hoare annotation was computed. [2019-10-13 21:22:02,009 INFO L446 ceAbstractionStarter]: At program point L75(line 75) the Hoare annotation is: true [2019-10-13 21:22:02,010 INFO L446 ceAbstractionStarter]: At program point L106(lines 63 108) the Hoare annotation is: true [2019-10-13 21:22:02,010 INFO L443 ceAbstractionStarter]: For program point L73(lines 73 79) no Hoare annotation was computed. [2019-10-13 21:22:02,010 INFO L443 ceAbstractionStarter]: For program point L73-1(lines 73 79) no Hoare annotation was computed. [2019-10-13 21:22:02,010 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 69) no Hoare annotation was computed. [2019-10-13 21:22:02,010 INFO L446 ceAbstractionStarter]: At program point L109(lines 62 110) the Hoare annotation is: true [2019-10-13 21:22:02,010 INFO L443 ceAbstractionStarter]: For program point L99(lines 99 103) no Hoare annotation was computed. [2019-10-13 21:22:02,010 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 53 116) no Hoare annotation was computed. [2019-10-13 21:22:02,010 INFO L443 ceAbstractionStarter]: For program point L738-1(lines 738 758) no Hoare annotation was computed. [2019-10-13 21:22:02,011 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 724 769) no Hoare annotation was computed. [2019-10-13 21:22:02,011 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 724 769) no Hoare annotation was computed. [2019-10-13 21:22:02,011 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 724 769) no Hoare annotation was computed. [2019-10-13 21:22:02,011 INFO L443 ceAbstractionStarter]: For program point L744(lines 744 751) no Hoare annotation was computed. [2019-10-13 21:22:02,011 INFO L443 ceAbstractionStarter]: For program point L738(lines 738 758) no Hoare annotation was computed. [2019-10-13 21:22:02,011 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 187 194) no Hoare annotation was computed. [2019-10-13 21:22:02,011 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 187 194) no Hoare annotation was computed. [2019-10-13 21:22:02,011 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 187 194) no Hoare annotation was computed. [2019-10-13 21:22:02,012 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 441 449) no Hoare annotation was computed. [2019-10-13 21:22:02,012 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 441 449) the Hoare annotation is: true [2019-10-13 21:22:02,012 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 441 449) no Hoare annotation was computed. [2019-10-13 21:22:02,012 INFO L443 ceAbstractionStarter]: For program point L417(lines 417 425) no Hoare annotation was computed. [2019-10-13 21:22:02,012 INFO L443 ceAbstractionStarter]: For program point L417-2(lines 417 425) no Hoare annotation was computed. [2019-10-13 21:22:02,012 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 409 431) no Hoare annotation was computed. [2019-10-13 21:22:02,012 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 409 431) no Hoare annotation was computed. [2019-10-13 21:22:02,012 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 409 431) no Hoare annotation was computed. [2019-10-13 21:22:02,013 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 301 310) no Hoare annotation was computed. [2019-10-13 21:22:02,013 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 301 310) no Hoare annotation was computed. [2019-10-13 21:22:02,013 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 301 310) no Hoare annotation was computed. [2019-10-13 21:22:02,013 INFO L443 ceAbstractionStarter]: For program point L671(lines 670 690) no Hoare annotation was computed. [2019-10-13 21:22:02,013 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 621 723) no Hoare annotation was computed. [2019-10-13 21:22:02,013 INFO L443 ceAbstractionStarter]: For program point L702(line 702) no Hoare annotation was computed. [2019-10-13 21:22:02,014 INFO L443 ceAbstractionStarter]: For program point L702-1(line 702) no Hoare annotation was computed. [2019-10-13 21:22:02,014 INFO L443 ceAbstractionStarter]: For program point L667(lines 667 708) no Hoare annotation was computed. [2019-10-13 21:22:02,014 INFO L443 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2019-10-13 21:22:02,014 INFO L443 ceAbstractionStarter]: For program point L686-1(line 686) no Hoare annotation was computed. [2019-10-13 21:22:02,015 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 621 723) no Hoare annotation was computed. [2019-10-13 21:22:02,015 INFO L443 ceAbstractionStarter]: For program point L645(lines 645 649) no Hoare annotation was computed. [2019-10-13 21:22:02,015 INFO L443 ceAbstractionStarter]: For program point L709(lines 709 720) no Hoare annotation was computed. [2019-10-13 21:22:02,015 INFO L443 ceAbstractionStarter]: For program point L672(lines 672 676) no Hoare annotation was computed. [2019-10-13 21:22:02,015 INFO L443 ceAbstractionStarter]: For program point L670-2(lines 670 690) no Hoare annotation was computed. [2019-10-13 21:22:02,015 INFO L443 ceAbstractionStarter]: For program point L691(lines 669 692) no Hoare annotation was computed. [2019-10-13 21:22:02,015 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 621 723) no Hoare annotation was computed. [2019-10-13 21:22:02,015 INFO L443 ceAbstractionStarter]: For program point L650(lines 650 666) no Hoare annotation was computed. [2019-10-13 21:22:02,015 INFO L443 ceAbstractionStarter]: For program point L710(lines 710 717) no Hoare annotation was computed. [2019-10-13 21:22:02,016 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:02,016 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:22:02,016 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:02,016 INFO L443 ceAbstractionStarter]: For program point L207(line 207) no Hoare annotation was computed. [2019-10-13 21:22:02,016 INFO L443 ceAbstractionStarter]: For program point L207-1(lines 196 212) no Hoare annotation was computed. [2019-10-13 21:22:02,016 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 196 212) no Hoare annotation was computed. [2019-10-13 21:22:02,016 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 209) no Hoare annotation was computed. [2019-10-13 21:22:02,016 INFO L443 ceAbstractionStarter]: For program point L201(line 201) no Hoare annotation was computed. [2019-10-13 21:22:02,017 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 196 212) no Hoare annotation was computed. [2019-10-13 21:22:02,017 INFO L443 ceAbstractionStarter]: For program point L201-1(line 201) no Hoare annotation was computed. [2019-10-13 21:22:02,017 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 432 440) the Hoare annotation is: true [2019-10-13 21:22:02,017 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 432 440) no Hoare annotation was computed. [2019-10-13 21:22:02,017 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 432 440) no Hoare annotation was computed. [2019-10-13 21:22:02,018 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 388 399) the Hoare annotation is: true [2019-10-13 21:22:02,018 INFO L443 ceAbstractionStarter]: For program point L392-1(lines 388 399) no Hoare annotation was computed. [2019-10-13 21:22:02,018 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 388 399) no Hoare annotation was computed. [2019-10-13 21:22:02,018 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:02,018 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:22:02,018 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:02,018 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 130 153) the Hoare annotation is: true [2019-10-13 21:22:02,018 INFO L446 ceAbstractionStarter]: At program point L143(line 143) the Hoare annotation is: true [2019-10-13 21:22:02,018 INFO L446 ceAbstractionStarter]: At program point L141(lines 141 147) the Hoare annotation is: true [2019-10-13 21:22:02,019 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 130 153) no Hoare annotation was computed. [2019-10-13 21:22:02,019 INFO L446 ceAbstractionStarter]: At program point L136(line 136) the Hoare annotation is: true [2019-10-13 21:22:02,019 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 130 153) no Hoare annotation was computed. [2019-10-13 21:22:02,019 INFO L443 ceAbstractionStarter]: For program point L134(lines 133 152) no Hoare annotation was computed. [2019-10-13 21:22:02,019 INFO L443 ceAbstractionStarter]: For program point L832(lines 832 836) no Hoare annotation was computed. [2019-10-13 21:22:02,019 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 818 847) no Hoare annotation was computed. [2019-10-13 21:22:02,019 INFO L446 ceAbstractionStarter]: At program point L832-1(lines 832 836) the Hoare annotation is: true [2019-10-13 21:22:02,019 INFO L443 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2019-10-13 21:22:02,019 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 818 847) the Hoare annotation is: true [2019-10-13 21:22:02,020 INFO L446 ceAbstractionStarter]: At program point L828-2(lines 828 842) the Hoare annotation is: true [2019-10-13 21:22:02,020 INFO L446 ceAbstractionStarter]: At program point L824(line 824) the Hoare annotation is: true [2019-10-13 21:22:02,020 INFO L443 ceAbstractionStarter]: For program point L824-1(line 824) no Hoare annotation was computed. [2019-10-13 21:22:02,020 INFO L446 ceAbstractionStarter]: At program point L843(lines 818 847) the Hoare annotation is: true [2019-10-13 21:22:02,020 INFO L443 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2019-10-13 21:22:02,020 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 400 408) no Hoare annotation was computed. [2019-10-13 21:22:02,020 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 400 408) no Hoare annotation was computed. [2019-10-13 21:22:02,020 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 400 408) no Hoare annotation was computed. [2019-10-13 21:22:02,020 INFO L443 ceAbstractionStarter]: For program point L368-1(lines 364 375) no Hoare annotation was computed. [2019-10-13 21:22:02,021 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 364 375) the Hoare annotation is: true [2019-10-13 21:22:02,021 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 364 375) no Hoare annotation was computed. [2019-10-13 21:22:02,022 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 872 878) no Hoare annotation was computed. [2019-10-13 21:22:02,022 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 872 878) the Hoare annotation is: true [2019-10-13 21:22:02,023 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:02,023 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-13 21:22:02,023 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:22:02,023 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:02,023 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 376 387) no Hoare annotation was computed. [2019-10-13 21:22:02,023 INFO L443 ceAbstractionStarter]: For program point L380-1(lines 376 387) no Hoare annotation was computed. [2019-10-13 21:22:02,023 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 376 387) the Hoare annotation is: true [2019-10-13 21:22:02,024 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-13 21:22:02,024 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2019-10-13 21:22:02,024 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-10-13 21:22:02,024 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-10-13 21:22:02,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:22:02 BoogieIcfgContainer [2019-10-13 21:22:02,035 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:22:02,038 INFO L168 Benchmark]: Toolchain (without parser) took 5483.19 ms. Allocated memory was 144.7 MB in the beginning and 250.6 MB in the end (delta: 105.9 MB). Free memory was 100.1 MB in the beginning and 92.9 MB in the end (delta: 7.2 MB). Peak memory consumption was 113.1 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:02,039 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 144.7 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-13 21:22:02,040 INFO L168 Benchmark]: CACSL2BoogieTranslator took 651.89 ms. Allocated memory was 144.7 MB in the beginning and 201.3 MB in the end (delta: 56.6 MB). Free memory was 99.9 MB in the beginning and 169.8 MB in the end (delta: -70.0 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:02,041 INFO L168 Benchmark]: Boogie Preprocessor took 119.23 ms. Allocated memory is still 201.3 MB. Free memory was 169.8 MB in the beginning and 165.5 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:02,042 INFO L168 Benchmark]: RCFGBuilder took 1129.68 ms. Allocated memory was 201.3 MB in the beginning and 232.8 MB in the end (delta: 31.5 MB). Free memory was 165.5 MB in the beginning and 199.5 MB in the end (delta: -34.0 MB). Peak memory consumption was 85.5 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:02,043 INFO L168 Benchmark]: TraceAbstraction took 3577.60 ms. Allocated memory was 232.8 MB in the beginning and 250.6 MB in the end (delta: 17.8 MB). Free memory was 199.5 MB in the beginning and 92.9 MB in the end (delta: 106.6 MB). Peak memory consumption was 124.5 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:02,047 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 144.7 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 651.89 ms. Allocated memory was 144.7 MB in the beginning and 201.3 MB in the end (delta: 56.6 MB). Free memory was 99.9 MB in the beginning and 169.8 MB in the end (delta: -70.0 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.23 ms. Allocated memory is still 201.3 MB. Free memory was 169.8 MB in the beginning and 165.5 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1129.68 ms. Allocated memory was 201.3 MB in the beginning and 232.8 MB in the end (delta: 31.5 MB). Free memory was 165.5 MB in the beginning and 199.5 MB in the end (delta: -34.0 MB). Peak memory consumption was 85.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3577.60 ms. Allocated memory was 232.8 MB in the beginning and 250.6 MB in the end (delta: 17.8 MB). Free memory was 199.5 MB in the beginning and 92.9 MB in the end (delta: 106.6 MB). Peak memory consumption was 124.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 63]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 221 locations, 1 error locations. Result: SAFE, OverallTime: 3.4s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 550 SDtfs, 327 SDslu, 807 SDs, 0 SdLazy, 266 SolverSat, 43 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 135 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=213occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 262 PreInvPairs, 263 NumberOfFragments, 49 HoareAnnotationTreeSize, 262 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 49 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 466 NumberOfCodeBlocks, 466 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 556 ConstructedInterpolants, 0 QuantifiedInterpolants, 87064 SizeOfPredicates, 3 NumberOfNonLiveVariables, 745 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 84/93 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 118, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.9690721649484536, 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...