/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product07.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 01:01:16,116 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 01:01:16,119 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 01:01:16,138 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 01:01:16,138 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 01:01:16,140 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 01:01:16,142 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 01:01:16,156 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 01:01:16,158 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 01:01:16,159 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 01:01:16,159 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 01:01:16,162 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 01:01:16,162 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 01:01:16,166 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 01:01:16,168 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 01:01:16,170 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 01:01:16,172 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 01:01:16,174 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 01:01:16,176 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 01:01:16,178 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 01:01:16,179 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 01:01:16,180 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 01:01:16,181 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 01:01:16,182 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 01:01:16,184 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 01:01:16,184 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 01:01:16,184 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 01:01:16,185 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 01:01:16,186 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 01:01:16,187 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 01:01:16,187 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 01:01:16,188 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 01:01:16,188 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 01:01:16,189 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 01:01:16,190 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 01:01:16,190 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 01:01:16,191 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 01:01:16,191 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 01:01:16,191 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 01:01:16,192 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 01:01:16,193 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 01:01:16,194 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 01:01:16,210 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 01:01:16,211 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 01:01:16,213 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 01:01:16,213 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 01:01:16,213 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 01:01:16,213 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 01:01:16,214 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 01:01:16,214 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 01:01:16,214 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 01:01:16,214 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 01:01:16,214 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 01:01:16,215 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 01:01:16,215 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 01:01:16,216 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 01:01:16,216 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 01:01:16,216 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 01:01:16,216 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 01:01:16,216 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 01:01:16,217 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 01:01:16,217 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 01:01:16,217 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 01:01:16,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 01:01:16,218 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 01:01:16,218 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 01:01:16,218 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 01:01:16,218 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 01:01:16,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 01:01:16,219 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 01:01:16,220 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-11-07 01:01:16,499 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 01:01:16,512 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 01:01:16,516 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 01:01:16,517 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 01:01:16,518 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 01:01:16,518 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product07.cil.c [2019-11-07 01:01:16,588 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f0ae60d9/3c8100df22d84e9b8ec8674f2ace9838/FLAG2152dbec9 [2019-11-07 01:01:17,140 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 01:01:17,141 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product07.cil.c [2019-11-07 01:01:17,156 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f0ae60d9/3c8100df22d84e9b8ec8674f2ace9838/FLAG2152dbec9 [2019-11-07 01:01:17,436 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f0ae60d9/3c8100df22d84e9b8ec8674f2ace9838 [2019-11-07 01:01:17,445 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 01:01:17,446 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 01:01:17,447 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 01:01:17,448 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 01:01:17,452 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 01:01:17,453 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:01:17" (1/1) ... [2019-11-07 01:01:17,456 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4799cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:17, skipping insertion in model container [2019-11-07 01:01:17,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:01:17" (1/1) ... [2019-11-07 01:01:17,464 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 01:01:17,532 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 01:01:17,973 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:01:17,989 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 01:01:18,086 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:01:18,122 INFO L192 MainTranslator]: Completed translation [2019-11-07 01:01:18,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:18 WrapperNode [2019-11-07 01:01:18,123 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 01:01:18,123 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 01:01:18,123 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 01:01:18,124 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 01:01:18,137 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:18" (1/1) ... [2019-11-07 01:01:18,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:18" (1/1) ... [2019-11-07 01:01:18,155 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:18" (1/1) ... [2019-11-07 01:01:18,156 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:18" (1/1) ... [2019-11-07 01:01:18,189 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:18" (1/1) ... [2019-11-07 01:01:18,199 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:18" (1/1) ... [2019-11-07 01:01:18,204 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:18" (1/1) ... [2019-11-07 01:01:18,212 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 01:01:18,212 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 01:01:18,212 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 01:01:18,213 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 01:01:18,213 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:18" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 01:01:18,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 01:01:18,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 01:01:18,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 01:01:18,288 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 01:01:18,288 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 01:01:18,289 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 01:01:18,289 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 01:01:18,289 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 01:01:18,290 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 01:01:18,290 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 01:01:18,290 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 01:01:18,290 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 01:01:18,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 01:01:18,291 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 01:01:18,292 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 01:01:18,292 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 01:01:18,294 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 01:01:18,294 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 01:01:18,295 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 01:01:18,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-11-07 01:01:18,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 01:01:18,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 01:01:18,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 01:01:18,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 01:01:18,296 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 01:01:18,296 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 01:01:18,296 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 01:01:18,296 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 01:01:18,296 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 01:01:18,296 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 01:01:18,297 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 01:01:18,297 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 01:01:18,297 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 01:01:18,297 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 01:01:18,297 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 01:01:18,298 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-11-07 01:01:18,298 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 01:01:18,298 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 01:01:18,298 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 01:01:18,298 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 01:01:18,298 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 01:01:18,299 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 01:01:18,299 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 01:01:18,299 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 01:01:18,299 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 01:01:18,299 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 01:01:18,299 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 01:01:18,299 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 01:01:18,300 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 01:01:18,300 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 01:01:18,300 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 01:01:18,300 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 01:01:18,300 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 01:01:18,300 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 01:01:18,301 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 01:01:18,301 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 01:01:18,301 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 01:01:18,301 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 01:01:18,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 01:01:18,301 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 01:01:18,301 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-11-07 01:01:18,302 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 01:01:18,302 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 01:01:18,302 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 01:01:18,303 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 01:01:18,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 01:01:18,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 01:01:18,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 01:01:18,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 01:01:18,303 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 01:01:18,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 01:01:18,304 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 01:01:18,304 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 01:01:18,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 01:01:18,305 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 01:01:18,305 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 01:01:18,305 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 01:01:18,305 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-11-07 01:01:18,305 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 01:01:18,306 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 01:01:18,306 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 01:01:18,306 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 01:01:18,307 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 01:01:18,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 01:01:18,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 01:01:18,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 01:01:19,373 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 01:01:19,374 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 01:01:19,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:01:19 BoogieIcfgContainer [2019-11-07 01:01:19,375 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 01:01:19,378 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 01:01:19,378 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 01:01:19,381 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 01:01:19,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:01:17" (1/3) ... [2019-11-07 01:01:19,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11142fb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:01:19, skipping insertion in model container [2019-11-07 01:01:19,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:18" (2/3) ... [2019-11-07 01:01:19,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11142fb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:01:19, skipping insertion in model container [2019-11-07 01:01:19,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:01:19" (3/3) ... [2019-11-07 01:01:19,386 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product07.cil.c [2019-11-07 01:01:19,396 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 01:01:19,405 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 01:01:19,417 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 01:01:19,446 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 01:01:19,446 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 01:01:19,446 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 01:01:19,446 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 01:01:19,447 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 01:01:19,447 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 01:01:19,448 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 01:01:19,448 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 01:01:19,480 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2019-11-07 01:01:19,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-07 01:01:19,490 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:19,491 INFO L410 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] [2019-11-07 01:01:19,493 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:19,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:19,498 INFO L82 PathProgramCache]: Analyzing trace with hash 1908164491, now seen corresponding path program 1 times [2019-11-07 01:01:19,506 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:19,507 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269670106] [2019-11-07 01:01:19,507 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:19,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:19,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:19,883 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269670106] [2019-11-07 01:01:19,883 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:19,884 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 01:01:19,885 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332517411] [2019-11-07 01:01:19,890 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 01:01:19,892 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:19,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 01:01:19,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 01:01:19,909 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 2 states. [2019-11-07 01:01:19,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:19,949 INFO L93 Difference]: Finished difference Result 216 states and 269 transitions. [2019-11-07 01:01:19,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 01:01:19,951 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-11-07 01:01:19,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:19,965 INFO L225 Difference]: With dead ends: 216 [2019-11-07 01:01:19,965 INFO L226 Difference]: Without dead ends: 108 [2019-11-07 01:01:19,970 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 01:01:19,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2019-11-07 01:01:20,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2019-11-07 01:01:20,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-11-07 01:01:20,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 126 transitions. [2019-11-07 01:01:20,026 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 126 transitions. Word has length 46 [2019-11-07 01:01:20,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:20,027 INFO L462 AbstractCegarLoop]: Abstraction has 108 states and 126 transitions. [2019-11-07 01:01:20,027 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 01:01:20,027 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 126 transitions. [2019-11-07 01:01:20,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-07 01:01:20,031 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:20,031 INFO L410 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] [2019-11-07 01:01:20,031 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:20,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:20,032 INFO L82 PathProgramCache]: Analyzing trace with hash 1100286526, now seen corresponding path program 1 times [2019-11-07 01:01:20,032 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:20,032 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26857676] [2019-11-07 01:01:20,032 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:20,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:20,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:20,133 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26857676] [2019-11-07 01:01:20,134 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:20,134 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 01:01:20,134 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309967457] [2019-11-07 01:01:20,136 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 01:01:20,136 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:20,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 01:01:20,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 01:01:20,137 INFO L87 Difference]: Start difference. First operand 108 states and 126 transitions. Second operand 3 states. [2019-11-07 01:01:20,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:20,157 INFO L93 Difference]: Finished difference Result 159 states and 183 transitions. [2019-11-07 01:01:20,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 01:01:20,157 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-11-07 01:01:20,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:20,160 INFO L225 Difference]: With dead ends: 159 [2019-11-07 01:01:20,160 INFO L226 Difference]: Without dead ends: 99 [2019-11-07 01:01:20,161 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 01:01:20,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2019-11-07 01:01:20,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2019-11-07 01:01:20,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2019-11-07 01:01:20,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 114 transitions. [2019-11-07 01:01:20,174 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 114 transitions. Word has length 47 [2019-11-07 01:01:20,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:20,175 INFO L462 AbstractCegarLoop]: Abstraction has 99 states and 114 transitions. [2019-11-07 01:01:20,175 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 01:01:20,175 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 114 transitions. [2019-11-07 01:01:20,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-07 01:01:20,177 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:20,177 INFO L410 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] [2019-11-07 01:01:20,177 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:20,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:20,178 INFO L82 PathProgramCache]: Analyzing trace with hash 418725032, now seen corresponding path program 1 times [2019-11-07 01:01:20,178 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:20,178 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487163336] [2019-11-07 01:01:20,178 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:20,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:20,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:20,342 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487163336] [2019-11-07 01:01:20,343 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:20,343 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 01:01:20,343 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786023960] [2019-11-07 01:01:20,344 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 01:01:20,344 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:20,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 01:01:20,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-07 01:01:20,345 INFO L87 Difference]: Start difference. First operand 99 states and 114 transitions. Second operand 7 states. [2019-11-07 01:01:20,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:20,749 INFO L93 Difference]: Finished difference Result 299 states and 360 transitions. [2019-11-07 01:01:20,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 01:01:20,750 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-11-07 01:01:20,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:20,754 INFO L225 Difference]: With dead ends: 299 [2019-11-07 01:01:20,754 INFO L226 Difference]: Without dead ends: 224 [2019-11-07 01:01:20,756 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-07 01:01:20,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2019-11-07 01:01:20,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 216. [2019-11-07 01:01:20,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2019-11-07 01:01:20,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 260 transitions. [2019-11-07 01:01:20,819 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 260 transitions. Word has length 51 [2019-11-07 01:01:20,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:20,820 INFO L462 AbstractCegarLoop]: Abstraction has 216 states and 260 transitions. [2019-11-07 01:01:20,820 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 01:01:20,820 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 260 transitions. [2019-11-07 01:01:20,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-07 01:01:20,830 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:20,830 INFO L410 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] [2019-11-07 01:01:20,831 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:20,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:20,832 INFO L82 PathProgramCache]: Analyzing trace with hash 2030555279, now seen corresponding path program 1 times [2019-11-07 01:01:20,832 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:20,833 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417902937] [2019-11-07 01:01:20,833 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:20,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:21,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:21,088 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417902937] [2019-11-07 01:01:21,088 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:21,088 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-07 01:01:21,088 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283862604] [2019-11-07 01:01:21,089 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-07 01:01:21,089 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:21,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-07 01:01:21,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-11-07 01:01:21,090 INFO L87 Difference]: Start difference. First operand 216 states and 260 transitions. Second operand 10 states. [2019-11-07 01:01:21,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:21,669 INFO L93 Difference]: Finished difference Result 744 states and 959 transitions. [2019-11-07 01:01:21,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-07 01:01:21,670 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2019-11-07 01:01:21,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:21,684 INFO L225 Difference]: With dead ends: 744 [2019-11-07 01:01:21,687 INFO L226 Difference]: Without dead ends: 552 [2019-11-07 01:01:21,694 INFO L630 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 [2019-11-07 01:01:21,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2019-11-07 01:01:21,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 540. [2019-11-07 01:01:21,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 540 states. [2019-11-07 01:01:21,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 670 transitions. [2019-11-07 01:01:21,782 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 670 transitions. Word has length 57 [2019-11-07 01:01:21,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:21,784 INFO L462 AbstractCegarLoop]: Abstraction has 540 states and 670 transitions. [2019-11-07 01:01:21,784 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-07 01:01:21,784 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 670 transitions. [2019-11-07 01:01:21,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-07 01:01:21,789 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:21,789 INFO L410 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] [2019-11-07 01:01:21,789 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:21,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:21,790 INFO L82 PathProgramCache]: Analyzing trace with hash -1547213643, now seen corresponding path program 1 times [2019-11-07 01:01:21,793 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:21,794 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716086601] [2019-11-07 01:01:21,794 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:21,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:21,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:21,917 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716086601] [2019-11-07 01:01:21,917 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:21,918 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 01:01:21,918 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009157869] [2019-11-07 01:01:21,918 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 01:01:21,919 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:21,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 01:01:21,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 01:01:21,919 INFO L87 Difference]: Start difference. First operand 540 states and 670 transitions. Second operand 4 states. [2019-11-07 01:01:22,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:22,085 INFO L93 Difference]: Finished difference Result 912 states and 1168 transitions. [2019-11-07 01:01:22,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-07 01:01:22,087 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2019-11-07 01:01:22,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:22,090 INFO L225 Difference]: With dead ends: 912 [2019-11-07 01:01:22,092 INFO L226 Difference]: Without dead ends: 396 [2019-11-07 01:01:22,095 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-07 01:01:22,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2019-11-07 01:01:22,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 384. [2019-11-07 01:01:22,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2019-11-07 01:01:22,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 446 transitions. [2019-11-07 01:01:22,147 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 446 transitions. Word has length 61 [2019-11-07 01:01:22,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:22,147 INFO L462 AbstractCegarLoop]: Abstraction has 384 states and 446 transitions. [2019-11-07 01:01:22,148 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 01:01:22,148 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 446 transitions. [2019-11-07 01:01:22,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-11-07 01:01:22,153 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:22,153 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:01:22,153 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:22,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:22,154 INFO L82 PathProgramCache]: Analyzing trace with hash -1956269670, now seen corresponding path program 1 times [2019-11-07 01:01:22,154 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:22,154 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391341420] [2019-11-07 01:01:22,155 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:22,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:22,276 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-07 01:01:22,276 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391341420] [2019-11-07 01:01:22,276 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2099271742] [2019-11-07 01:01:22,276 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:01:22,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:22,483 INFO L256 TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-07 01:01:22,495 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 01:01:22,605 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-07 01:01:22,605 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 01:01:22,723 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 01:01:22,881 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:01:22,882 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [692726976] [2019-11-07 01:01:22,888 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 89 [2019-11-07 01:01:22,932 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-11-07 01:01:22,932 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 01:01:23,007 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-11-07 01:01:23,009 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 69 root evaluator evaluations with a maximum evaluation depth of 0. Performed 69 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 126 variables. [2019-11-07 01:01:23,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:23,014 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-11-07 01:01:23,060 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-11-07 01:01:23,060 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-11-07 01:01:23,068 INFO L553 sIntCurrentIteration]: We unified 87 AI predicates to 87 [2019-11-07 01:01:23,068 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-11-07 01:01:23,071 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-11-07 01:01:23,072 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7, 7, 8] total 15 [2019-11-07 01:01:23,072 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718049714] [2019-11-07 01:01:23,073 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 01:01:23,073 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:23,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 01:01:23,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2019-11-07 01:01:23,074 INFO L87 Difference]: Start difference. First operand 384 states and 446 transitions. Second operand 2 states. [2019-11-07 01:01:23,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:23,083 INFO L93 Difference]: Finished difference Result 384 states and 446 transitions. [2019-11-07 01:01:23,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 01:01:23,083 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 88 [2019-11-07 01:01:23,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:23,083 INFO L225 Difference]: With dead ends: 384 [2019-11-07 01:01:23,084 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 01:01:23,085 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 168 SyntacticMatches, 8 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2019-11-07 01:01:23,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 01:01:23,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 01:01:23,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 01:01:23,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 01:01:23,087 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2019-11-07 01:01:23,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:23,087 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 01:01:23,087 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 01:01:23,088 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 01:01:23,088 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 01:01:23,292 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:01:23,297 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 01:01:23,457 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 386) no Hoare annotation was computed. [2019-11-07 01:01:23,457 INFO L443 ceAbstractionStarter]: For program point L382-1(lines 382 386) no Hoare annotation was computed. [2019-11-07 01:01:23,457 INFO L443 ceAbstractionStarter]: For program point L377(line 377) no Hoare annotation was computed. [2019-11-07 01:01:23,458 INFO L443 ceAbstractionStarter]: For program point L376-2(lines 376 397) no Hoare annotation was computed. [2019-11-07 01:01:23,458 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 351 406) no Hoare annotation was computed. [2019-11-07 01:01:23,458 INFO L443 ceAbstractionStarter]: For program point L398(lines 375 399) no Hoare annotation was computed. [2019-11-07 01:01:23,458 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 351 406) no Hoare annotation was computed. [2019-11-07 01:01:23,458 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 351 406) no Hoare annotation was computed. [2019-11-07 01:01:23,458 INFO L443 ceAbstractionStarter]: For program point L439(lines 439 443) no Hoare annotation was computed. [2019-11-07 01:01:23,458 INFO L443 ceAbstractionStarter]: For program point L439-1(lines 439 443) no Hoare annotation was computed. [2019-11-07 01:01:23,458 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 407 466) no Hoare annotation was computed. [2019-11-07 01:01:23,459 INFO L443 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2019-11-07 01:01:23,459 INFO L443 ceAbstractionStarter]: For program point L433-2(lines 433 458) no Hoare annotation was computed. [2019-11-07 01:01:23,459 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 407 466) no Hoare annotation was computed. [2019-11-07 01:01:23,459 INFO L443 ceAbstractionStarter]: For program point L459(lines 432 460) no Hoare annotation was computed. [2019-11-07 01:01:23,459 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 407 466) no Hoare annotation was computed. [2019-11-07 01:01:23,459 INFO L443 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2019-11-07 01:01:23,459 INFO L443 ceAbstractionStarter]: For program point L452-1(line 452) no Hoare annotation was computed. [2019-11-07 01:01:23,460 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2019-11-07 01:01:23,460 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2019-11-07 01:01:23,460 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2019-11-07 01:01:23,460 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2019-11-07 01:01:23,460 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2019-11-07 01:01:23,460 INFO L446 ceAbstractionStarter]: At program point L287(line 287) the Hoare annotation is: true [2019-11-07 01:01:23,460 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 273 297) the Hoare annotation is: true [2019-11-07 01:01:23,461 INFO L443 ceAbstractionStarter]: For program point L285(lines 285 291) no Hoare annotation was computed. [2019-11-07 01:01:23,461 INFO L446 ceAbstractionStarter]: At program point L283(line 283) the Hoare annotation is: true [2019-11-07 01:01:23,461 INFO L443 ceAbstractionStarter]: For program point L283-1(line 283) no Hoare annotation was computed. [2019-11-07 01:01:23,461 INFO L443 ceAbstractionStarter]: For program point L281(lines 281 294) no Hoare annotation was computed. [2019-11-07 01:01:23,461 INFO L443 ceAbstractionStarter]: For program point L281-1(lines 273 297) no Hoare annotation was computed. [2019-11-07 01:01:23,461 INFO L446 ceAbstractionStarter]: At program point L279(line 279) the Hoare annotation is: true [2019-11-07 01:01:23,461 INFO L443 ceAbstractionStarter]: For program point L279-1(line 279) no Hoare annotation was computed. [2019-11-07 01:01:23,461 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 273 297) no Hoare annotation was computed. [2019-11-07 01:01:23,462 INFO L446 ceAbstractionStarter]: At program point L161(line 161) the Hoare annotation is: true [2019-11-07 01:01:23,462 INFO L446 ceAbstractionStarter]: At program point L161-1(line 161) the Hoare annotation is: true [2019-11-07 01:01:23,462 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 155 177) the Hoare annotation is: true [2019-11-07 01:01:23,462 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 155 177) no Hoare annotation was computed. [2019-11-07 01:01:23,462 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 155 177) no Hoare annotation was computed. [2019-11-07 01:01:23,462 INFO L446 ceAbstractionStarter]: At program point L167(line 167) the Hoare annotation is: true [2019-11-07 01:01:23,462 INFO L446 ceAbstractionStarter]: At program point L167-1(line 167) the Hoare annotation is: true [2019-11-07 01:01:23,463 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 172) no Hoare annotation was computed. [2019-11-07 01:01:23,463 INFO L443 ceAbstractionStarter]: For program point L165-1(lines 165 172) no Hoare annotation was computed. [2019-11-07 01:01:23,463 INFO L443 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-11-07 01:01:23,463 INFO L446 ceAbstractionStarter]: At program point L162(line 162) the Hoare annotation is: true [2019-11-07 01:01:23,463 INFO L443 ceAbstractionStarter]: For program point L129(line 129) no Hoare annotation was computed. [2019-11-07 01:01:23,463 INFO L443 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2019-11-07 01:01:23,463 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 113 136) no Hoare annotation was computed. [2019-11-07 01:01:23,464 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-11-07 01:01:23,464 INFO L443 ceAbstractionStarter]: For program point L126(line 126) no Hoare annotation was computed. [2019-11-07 01:01:23,464 INFO L443 ceAbstractionStarter]: For program point L125(line 125) no Hoare annotation was computed. [2019-11-07 01:01:23,464 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 113 136) no Hoare annotation was computed. [2019-11-07 01:01:23,464 INFO L443 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-11-07 01:01:23,464 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 113 136) no Hoare annotation was computed. [2019-11-07 01:01:23,464 INFO L443 ceAbstractionStarter]: For program point L123(line 123) no Hoare annotation was computed. [2019-11-07 01:01:23,464 INFO L443 ceAbstractionStarter]: For program point L122(line 122) no Hoare annotation was computed. [2019-11-07 01:01:23,465 INFO L443 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-11-07 01:01:23,465 INFO L443 ceAbstractionStarter]: For program point L120(line 120) no Hoare annotation was computed. [2019-11-07 01:01:23,465 INFO L443 ceAbstractionStarter]: For program point L119(line 119) no Hoare annotation was computed. [2019-11-07 01:01:23,465 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-11-07 01:01:23,465 INFO L443 ceAbstractionStarter]: For program point L131(line 131) no Hoare annotation was computed. [2019-11-07 01:01:23,465 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-11-07 01:01:23,465 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 867 881) no Hoare annotation was computed. [2019-11-07 01:01:23,466 INFO L446 ceAbstractionStarter]: At program point L873(line 873) the Hoare annotation is: true [2019-11-07 01:01:23,466 INFO L443 ceAbstractionStarter]: For program point L871(lines 871 877) no Hoare annotation was computed. [2019-11-07 01:01:23,466 INFO L446 ceAbstractionStarter]: At program point stopSystemENTRY(lines 867 881) the Hoare annotation is: true [2019-11-07 01:01:23,466 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 867 881) no Hoare annotation was computed. [2019-11-07 01:01:23,466 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 822 830) no Hoare annotation was computed. [2019-11-07 01:01:23,466 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 822 830) the Hoare annotation is: true [2019-11-07 01:01:23,466 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 822 830) no Hoare annotation was computed. [2019-11-07 01:01:23,467 INFO L443 ceAbstractionStarter]: For program point L861(line 861) no Hoare annotation was computed. [2019-11-07 01:01:23,467 INFO L443 ceAbstractionStarter]: For program point L861-1(line 861) no Hoare annotation was computed. [2019-11-07 01:01:23,467 INFO L443 ceAbstractionStarter]: For program point L850(lines 850 858) no Hoare annotation was computed. [2019-11-07 01:01:23,467 INFO L443 ceAbstractionStarter]: For program point L850-2(lines 850 858) no Hoare annotation was computed. [2019-11-07 01:01:23,467 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 831 866) no Hoare annotation was computed. [2019-11-07 01:01:23,467 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 831 866) no Hoare annotation was computed. [2019-11-07 01:01:23,467 INFO L443 ceAbstractionStarter]: For program point L838(lines 838 846) no Hoare annotation was computed. [2019-11-07 01:01:23,467 INFO L443 ceAbstractionStarter]: For program point L838-2(lines 838 846) no Hoare annotation was computed. [2019-11-07 01:01:23,467 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 831 866) no Hoare annotation was computed. [2019-11-07 01:01:23,468 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2019-11-07 01:01:23,468 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2019-11-07 01:01:23,468 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 305 350) no Hoare annotation was computed. [2019-11-07 01:01:23,468 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 305 350) no Hoare annotation was computed. [2019-11-07 01:01:23,468 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 305 350) no Hoare annotation was computed. [2019-11-07 01:01:23,468 INFO L443 ceAbstractionStarter]: For program point L638(lines 638 645) no Hoare annotation was computed. [2019-11-07 01:01:23,468 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 618 663) no Hoare annotation was computed. [2019-11-07 01:01:23,468 INFO L443 ceAbstractionStarter]: For program point L632(lines 632 652) no Hoare annotation was computed. [2019-11-07 01:01:23,469 INFO L443 ceAbstractionStarter]: For program point L632-1(lines 632 652) no Hoare annotation was computed. [2019-11-07 01:01:23,469 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 618 663) no Hoare annotation was computed. [2019-11-07 01:01:23,469 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 618 663) no Hoare annotation was computed. [2019-11-07 01:01:23,469 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 145 154) the Hoare annotation is: true [2019-11-07 01:01:23,469 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 145 154) no Hoare annotation was computed. [2019-11-07 01:01:23,469 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 145 154) no Hoare annotation was computed. [2019-11-07 01:01:23,469 INFO L446 ceAbstractionStarter]: At program point L816(line 816) the Hoare annotation is: true [2019-11-07 01:01:23,470 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 811 821) the Hoare annotation is: true [2019-11-07 01:01:23,470 INFO L443 ceAbstractionStarter]: For program point L816-1(line 816) no Hoare annotation was computed. [2019-11-07 01:01:23,470 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 811 821) no Hoare annotation was computed. [2019-11-07 01:01:23,470 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 811 821) no Hoare annotation was computed. [2019-11-07 01:01:23,470 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 803 810) the Hoare annotation is: true [2019-11-07 01:01:23,470 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 803 810) no Hoare annotation was computed. [2019-11-07 01:01:23,470 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 803 810) no Hoare annotation was computed. [2019-11-07 01:01:23,471 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 770 794) no Hoare annotation was computed. [2019-11-07 01:01:23,471 INFO L446 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: true [2019-11-07 01:01:23,471 INFO L443 ceAbstractionStarter]: For program point L789-1(lines 770 794) no Hoare annotation was computed. [2019-11-07 01:01:23,471 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 770 794) the Hoare annotation is: true [2019-11-07 01:01:23,471 INFO L446 ceAbstractionStarter]: At program point L784(line 784) the Hoare annotation is: true [2019-11-07 01:01:23,471 INFO L446 ceAbstractionStarter]: At program point L780(line 780) the Hoare annotation is: true [2019-11-07 01:01:23,471 INFO L443 ceAbstractionStarter]: For program point L778(lines 778 786) no Hoare annotation was computed. [2019-11-07 01:01:23,472 INFO L446 ceAbstractionStarter]: At program point L776(line 776) the Hoare annotation is: true [2019-11-07 01:01:23,472 INFO L443 ceAbstractionStarter]: For program point L776-1(line 776) no Hoare annotation was computed. [2019-11-07 01:01:23,472 INFO L443 ceAbstractionStarter]: For program point L774(lines 774 791) no Hoare annotation was computed. [2019-11-07 01:01:23,472 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 762 768) no Hoare annotation was computed. [2019-11-07 01:01:23,472 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 762 768) the Hoare annotation is: true [2019-11-07 01:01:23,472 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 666 731) the Hoare annotation is: true [2019-11-07 01:01:23,472 INFO L446 ceAbstractionStarter]: At program point L698(line 698) the Hoare annotation is: true [2019-11-07 01:01:23,472 INFO L443 ceAbstractionStarter]: For program point L696(lines 696 702) no Hoare annotation was computed. [2019-11-07 01:01:23,473 INFO L443 ceAbstractionStarter]: For program point L696-1(lines 696 702) no Hoare annotation was computed. [2019-11-07 01:01:23,473 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 666 731) no Hoare annotation was computed. [2019-11-07 01:01:23,473 INFO L446 ceAbstractionStarter]: At program point L721(lines 676 723) the Hoare annotation is: true [2019-11-07 01:01:23,473 INFO L446 ceAbstractionStarter]: At program point L688(line 688) the Hoare annotation is: true [2019-11-07 01:01:23,473 INFO L443 ceAbstractionStarter]: For program point L686(lines 686 692) no Hoare annotation was computed. [2019-11-07 01:01:23,473 INFO L443 ceAbstractionStarter]: For program point L686-1(lines 686 692) no Hoare annotation was computed. [2019-11-07 01:01:23,473 INFO L443 ceAbstractionStarter]: For program point L678(lines 678 682) no Hoare annotation was computed. [2019-11-07 01:01:23,473 INFO L446 ceAbstractionStarter]: At program point L724(lines 675 725) the Hoare annotation is: true [2019-11-07 01:01:23,474 INFO L446 ceAbstractionStarter]: At program point L714(line 714) the Hoare annotation is: true [2019-11-07 01:01:23,474 INFO L443 ceAbstractionStarter]: For program point L712(lines 712 718) no Hoare annotation was computed. [2019-11-07 01:01:23,474 INFO L446 ceAbstractionStarter]: At program point L712-1(lines 706 719) the Hoare annotation is: true [2019-11-07 01:01:23,474 INFO L443 ceAbstractionStarter]: For program point L677(lines 676 723) no Hoare annotation was computed. [2019-11-07 01:01:23,474 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 666 731) no Hoare annotation was computed. [2019-11-07 01:01:23,474 INFO L443 ceAbstractionStarter]: For program point L706(lines 706 719) no Hoare annotation was computed. [2019-11-07 01:01:23,474 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 572 617) no Hoare annotation was computed. [2019-11-07 01:01:23,474 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 572 617) no Hoare annotation was computed. [2019-11-07 01:01:23,475 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 572 617) no Hoare annotation was computed. [2019-11-07 01:01:23,475 INFO L443 ceAbstractionStarter]: For program point L592(lines 592 599) no Hoare annotation was computed. [2019-11-07 01:01:23,475 INFO L443 ceAbstractionStarter]: For program point L586(lines 586 606) no Hoare annotation was computed. [2019-11-07 01:01:23,475 INFO L443 ceAbstractionStarter]: For program point L586-1(lines 586 606) no Hoare annotation was computed. [2019-11-07 01:01:23,475 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 239 261) no Hoare annotation was computed. [2019-11-07 01:01:23,475 INFO L443 ceAbstractionStarter]: For program point L247(lines 247 255) no Hoare annotation was computed. [2019-11-07 01:01:23,475 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 239 261) no Hoare annotation was computed. [2019-11-07 01:01:23,475 INFO L443 ceAbstractionStarter]: For program point L247-2(lines 247 255) no Hoare annotation was computed. [2019-11-07 01:01:23,476 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 239 261) no Hoare annotation was computed. [2019-11-07 01:01:23,476 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2019-11-07 01:01:23,476 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2019-11-07 01:01:23,476 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2019-11-07 01:01:23,476 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 469 571) no Hoare annotation was computed. [2019-11-07 01:01:23,476 INFO L443 ceAbstractionStarter]: For program point L539(lines 517 540) no Hoare annotation was computed. [2019-11-07 01:01:23,476 INFO L443 ceAbstractionStarter]: For program point L498(lines 498 514) no Hoare annotation was computed. [2019-11-07 01:01:23,476 INFO L443 ceAbstractionStarter]: For program point L558(lines 558 565) no Hoare annotation was computed. [2019-11-07 01:01:23,477 INFO L443 ceAbstractionStarter]: For program point L519(lines 518 538) no Hoare annotation was computed. [2019-11-07 01:01:23,477 INFO L443 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2019-11-07 01:01:23,477 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 469 571) no Hoare annotation was computed. [2019-11-07 01:01:23,477 INFO L443 ceAbstractionStarter]: For program point L550-1(line 550) no Hoare annotation was computed. [2019-11-07 01:01:23,477 INFO L443 ceAbstractionStarter]: For program point L515(lines 515 556) no Hoare annotation was computed. [2019-11-07 01:01:23,477 INFO L443 ceAbstractionStarter]: For program point L534(line 534) no Hoare annotation was computed. [2019-11-07 01:01:23,477 INFO L443 ceAbstractionStarter]: For program point L534-1(line 534) no Hoare annotation was computed. [2019-11-07 01:01:23,477 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 469 571) no Hoare annotation was computed. [2019-11-07 01:01:23,477 INFO L443 ceAbstractionStarter]: For program point L493(lines 493 497) no Hoare annotation was computed. [2019-11-07 01:01:23,478 INFO L443 ceAbstractionStarter]: For program point L557(lines 557 568) no Hoare annotation was computed. [2019-11-07 01:01:23,478 INFO L443 ceAbstractionStarter]: For program point L520(lines 520 524) no Hoare annotation was computed. [2019-11-07 01:01:23,478 INFO L443 ceAbstractionStarter]: For program point L518-2(lines 518 538) no Hoare annotation was computed. [2019-11-07 01:01:23,478 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:01:23,478 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-11-07 01:01:23,478 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:01:23,478 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 795 802) no Hoare annotation was computed. [2019-11-07 01:01:23,479 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 795 802) no Hoare annotation was computed. [2019-11-07 01:01:23,479 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 795 802) no Hoare annotation was computed. [2019-11-07 01:01:23,479 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 262 270) the Hoare annotation is: true [2019-11-07 01:01:23,479 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 262 270) no Hoare annotation was computed. [2019-11-07 01:01:23,479 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 262 270) no Hoare annotation was computed. [2019-11-07 01:01:23,479 INFO L443 ceAbstractionStarter]: For program point L222-1(lines 218 229) no Hoare annotation was computed. [2019-11-07 01:01:23,479 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 218 229) the Hoare annotation is: true [2019-11-07 01:01:23,479 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 218 229) no Hoare annotation was computed. [2019-11-07 01:01:23,480 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:01:23,480 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-11-07 01:01:23,480 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:01:23,480 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 738 761) the Hoare annotation is: true [2019-11-07 01:01:23,480 INFO L446 ceAbstractionStarter]: At program point L751(line 751) the Hoare annotation is: true [2019-11-07 01:01:23,480 INFO L446 ceAbstractionStarter]: At program point L749(lines 749 755) the Hoare annotation is: true [2019-11-07 01:01:23,480 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 738 761) no Hoare annotation was computed. [2019-11-07 01:01:23,481 INFO L446 ceAbstractionStarter]: At program point L744(line 744) the Hoare annotation is: true [2019-11-07 01:01:23,481 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 738 761) no Hoare annotation was computed. [2019-11-07 01:01:23,481 INFO L443 ceAbstractionStarter]: For program point L742(lines 741 760) no Hoare annotation was computed. [2019-11-07 01:01:23,481 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 80 109) no Hoare annotation was computed. [2019-11-07 01:01:23,481 INFO L443 ceAbstractionStarter]: For program point L94(lines 94 98) no Hoare annotation was computed. [2019-11-07 01:01:23,481 INFO L446 ceAbstractionStarter]: At program point L94-1(lines 94 98) the Hoare annotation is: true [2019-11-07 01:01:23,481 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 80 109) the Hoare annotation is: true [2019-11-07 01:01:23,482 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-07 01:01:23,482 INFO L446 ceAbstractionStarter]: At program point L90-2(lines 90 104) the Hoare annotation is: true [2019-11-07 01:01:23,482 INFO L446 ceAbstractionStarter]: At program point L86(line 86) the Hoare annotation is: true [2019-11-07 01:01:23,482 INFO L443 ceAbstractionStarter]: For program point L86-1(line 86) no Hoare annotation was computed. [2019-11-07 01:01:23,482 INFO L446 ceAbstractionStarter]: At program point L105(lines 80 109) the Hoare annotation is: true [2019-11-07 01:01:23,482 INFO L443 ceAbstractionStarter]: For program point L101(line 101) no Hoare annotation was computed. [2019-11-07 01:01:23,482 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 230 238) the Hoare annotation is: true [2019-11-07 01:01:23,482 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 230 238) no Hoare annotation was computed. [2019-11-07 01:01:23,483 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 230 238) no Hoare annotation was computed. [2019-11-07 01:01:23,483 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 194 205) the Hoare annotation is: true [2019-11-07 01:01:23,483 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 194 205) no Hoare annotation was computed. [2019-11-07 01:01:23,483 INFO L443 ceAbstractionStarter]: For program point L198-1(lines 194 205) no Hoare annotation was computed. [2019-11-07 01:01:23,483 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 137 143) no Hoare annotation was computed. [2019-11-07 01:01:23,483 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 137 143) the Hoare annotation is: true [2019-11-07 01:01:23,483 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:01:23,483 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-11-07 01:01:23,484 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 01:01:23,484 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:01:23,484 INFO L443 ceAbstractionStarter]: For program point L210-1(lines 206 217) no Hoare annotation was computed. [2019-11-07 01:01:23,484 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 206 217) no Hoare annotation was computed. [2019-11-07 01:01:23,484 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 206 217) the Hoare annotation is: true [2019-11-07 01:01:23,484 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 179 186) no Hoare annotation was computed. [2019-11-07 01:01:23,484 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 183) no Hoare annotation was computed. [2019-11-07 01:01:23,485 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 179 186) the Hoare annotation is: true [2019-11-07 01:01:23,485 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 179 186) no Hoare annotation was computed. [2019-11-07 01:01:23,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:01:23 BoogieIcfgContainer [2019-11-07 01:01:23,493 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 01:01:23,496 INFO L168 Benchmark]: Toolchain (without parser) took 6048.64 ms. Allocated memory was 145.2 MB in the beginning and 292.6 MB in the end (delta: 147.3 MB). Free memory was 101.0 MB in the beginning and 174.3 MB in the end (delta: -73.3 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. [2019-11-07 01:01:23,497 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 145.2 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-11-07 01:01:23,498 INFO L168 Benchmark]: CACSL2BoogieTranslator took 675.59 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 100.8 MB in the beginning and 170.4 MB in the end (delta: -69.6 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2019-11-07 01:01:23,499 INFO L168 Benchmark]: Boogie Preprocessor took 88.47 ms. Allocated memory is still 202.4 MB. Free memory was 170.4 MB in the beginning and 166.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-11-07 01:01:23,500 INFO L168 Benchmark]: RCFGBuilder took 1163.39 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 166.4 MB in the beginning and 201.1 MB in the end (delta: -34.7 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB. [2019-11-07 01:01:23,501 INFO L168 Benchmark]: TraceAbstraction took 4115.73 ms. Allocated memory was 235.4 MB in the beginning and 292.6 MB in the end (delta: 57.1 MB). Free memory was 201.1 MB in the beginning and 174.3 MB in the end (delta: 26.7 MB). Peak memory consumption was 83.9 MB. Max. memory is 7.1 GB. [2019-11-07 01:01:23,504 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 145.2 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 675.59 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 100.8 MB in the beginning and 170.4 MB in the end (delta: -69.6 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.47 ms. Allocated memory is still 202.4 MB. Free memory was 170.4 MB in the beginning and 166.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1163.39 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 166.4 MB in the beginning and 201.1 MB in the end (delta: -34.7 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4115.73 ms. Allocated memory was 235.4 MB in the beginning and 292.6 MB in the end (delta: 57.1 MB). Free memory was 201.1 MB in the beginning and 174.3 MB in the end (delta: 26.7 MB). Peak memory consumption was 83.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 183]: 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: 675]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 210 locations, 1 error locations. Result: SAFE, OverallTime: 4.0s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 609 SDtfs, 428 SDslu, 1418 SDs, 0 SdLazy, 464 SolverSat, 79 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 241 GetRequests, 191 SyntacticMatches, 8 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=540occurred 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: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 32 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 537 PreInvPairs, 538 NumberOfFragments, 54 HoareAnnotationTreeSize, 537 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 52 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 438 NumberOfCodeBlocks, 438 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 518 ConstructedInterpolants, 0 QuantifiedInterpolants, 78004 SizeOfPredicates, 3 NumberOfNonLiveVariables, 750 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 61/69 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 126, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 1.0804597701149425, 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...