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_product13.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:20:47,238 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:20:47,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:20:47,258 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:20:47,258 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:20:47,260 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:20:47,262 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:20:47,272 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:20:47,274 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:20:47,276 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:20:47,278 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:20:47,279 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:20:47,279 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:20:47,280 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:20:47,283 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:20:47,284 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:20:47,284 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:20:47,287 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:20:47,290 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:20:47,295 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:20:47,299 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:20:47,300 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:20:47,304 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:20:47,305 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:20:47,307 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:20:47,307 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:20:47,307 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:20:47,308 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:20:47,309 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:20:47,310 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:20:47,310 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:20:47,311 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:20:47,311 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:20:47,312 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:20:47,313 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:20:47,313 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:20:47,314 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:20:47,314 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:20:47,314 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:20:47,315 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:20:47,316 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:20:47,317 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 01:20:47,351 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:20:47,351 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:20:47,354 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:20:47,355 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:20:47,355 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:20:47,355 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:20:47,355 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:20:47,355 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:20:47,356 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:20:47,356 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:20:47,356 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:20:47,358 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:20:47,358 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:20:47,358 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:20:47,358 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:20:47,358 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:20:47,359 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:20:47,359 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:20:47,359 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:20:47,359 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:20:47,360 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:20:47,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:20:47,360 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:20:47,360 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:20:47,360 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:20:47,361 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:20:47,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:20:47,361 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:20:47,361 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 01:20:47,648 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:20:47,667 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:20:47,670 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:20:47,672 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:20:47,672 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:20:47,673 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product13.cil.c [2019-10-15 01:20:47,736 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89f00d024/c722fd1d4b2544ecbb2fa9385aa1bf20/FLAG9f5505de8 [2019-10-15 01:20:48,264 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:20:48,265 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product13.cil.c [2019-10-15 01:20:48,275 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89f00d024/c722fd1d4b2544ecbb2fa9385aa1bf20/FLAG9f5505de8 [2019-10-15 01:20:48,559 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89f00d024/c722fd1d4b2544ecbb2fa9385aa1bf20 [2019-10-15 01:20:48,570 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:20:48,572 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:20:48,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:20:48,577 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:20:48,581 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:20:48,582 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:20:48" (1/1) ... [2019-10-15 01:20:48,585 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@343d4392 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:48, skipping insertion in model container [2019-10-15 01:20:48,585 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:20:48" (1/1) ... [2019-10-15 01:20:48,595 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:20:48,641 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:20:49,106 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:20:49,131 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:20:49,252 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:20:49,286 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:20:49,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:49 WrapperNode [2019-10-15 01:20:49,286 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:20:49,287 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:20:49,287 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:20:49,287 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:20:49,301 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:49" (1/1) ... [2019-10-15 01:20:49,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:49" (1/1) ... [2019-10-15 01:20:49,326 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:49" (1/1) ... [2019-10-15 01:20:49,326 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:49" (1/1) ... [2019-10-15 01:20:49,358 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:49" (1/1) ... [2019-10-15 01:20:49,367 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:49" (1/1) ... [2019-10-15 01:20:49,372 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:49" (1/1) ... [2019-10-15 01:20:49,383 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:20:49,384 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:20:49,384 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:20:49,384 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:20:49,386 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:49" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:20:49,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:20:49,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:20:49,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:20:49,439 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 01:20:49,439 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 01:20:49,439 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 01:20:49,439 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 01:20:49,440 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 01:20:49,440 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 01:20:49,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:20:49,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:20:49,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:20:49,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:20:49,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:20:49,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:20:49,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:20:49,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-15 01:20:49,441 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 01:20:49,442 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 01:20:49,442 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:20:49,442 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 01:20:49,442 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:20:49,442 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 01:20:49,442 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 01:20:49,443 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 01:20:49,443 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-10-15 01:20:49,443 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 01:20:49,443 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 01:20:49,443 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 01:20:49,443 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 01:20:49,444 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 01:20:49,444 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:20:49,444 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:20:49,444 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:20:49,444 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:20:49,444 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:20:49,445 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:20:49,445 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:20:49,445 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:20:49,445 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 01:20:49,445 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 01:20:49,446 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 01:20:49,446 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 01:20:49,446 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 01:20:49,446 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 01:20:49,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:20:49,446 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:20:49,446 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:20:49,447 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:20:49,447 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:20:49,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:20:49,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:20:49,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:20:49,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:20:49,448 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:20:49,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:20:49,448 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:20:49,448 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:20:49,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:20:49,448 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:20:49,449 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:20:49,449 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:20:49,449 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:20:49,449 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 01:20:49,449 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-15 01:20:49,449 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 01:20:49,450 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 01:20:49,450 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 01:20:49,450 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 01:20:49,450 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:20:49,450 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:20:49,450 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 01:20:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:20:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:20:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:20:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:20:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 01:20:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 01:20:49,452 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 01:20:49,452 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 01:20:49,452 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 01:20:49,452 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-10-15 01:20:49,452 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:20:49,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:20:49,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:20:49,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:20:50,513 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:20:50,513 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 01:20:50,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:20:50 BoogieIcfgContainer [2019-10-15 01:20:50,516 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:20:50,518 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:20:50,518 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:20:50,521 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:20:50,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:20:48" (1/3) ... [2019-10-15 01:20:50,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dbc67b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:20:50, skipping insertion in model container [2019-10-15 01:20:50,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:49" (2/3) ... [2019-10-15 01:20:50,524 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dbc67b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:20:50, skipping insertion in model container [2019-10-15 01:20:50,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:20:50" (3/3) ... [2019-10-15 01:20:50,526 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product13.cil.c [2019-10-15 01:20:50,536 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:20:50,547 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:20:50,558 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:20:50,593 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:20:50,593 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:20:50,593 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:20:50,593 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:20:50,594 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:20:50,594 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:20:50,594 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:20:50,594 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:20:50,616 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states. [2019-10-15 01:20:50,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-15 01:20:50,626 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:50,627 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:50,629 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:50,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:50,635 INFO L82 PathProgramCache]: Analyzing trace with hash -32218829, now seen corresponding path program 1 times [2019-10-15 01:20:50,644 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:50,644 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759379393] [2019-10-15 01:20:50,645 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:50,645 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:50,645 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:50,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:50,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:50,960 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759379393] [2019-10-15 01:20:50,962 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:50,962 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:20:50,963 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738456309] [2019-10-15 01:20:50,968 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:20:50,970 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:50,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:20:50,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:20:50,986 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 2 states. [2019-10-15 01:20:51,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:51,022 INFO L93 Difference]: Finished difference Result 204 states and 253 transitions. [2019-10-15 01:20:51,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:20:51,024 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-15 01:20:51,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:51,037 INFO L225 Difference]: With dead ends: 204 [2019-10-15 01:20:51,037 INFO L226 Difference]: Without dead ends: 102 [2019-10-15 01:20:51,041 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:20:51,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2019-10-15 01:20:51,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2019-10-15 01:20:51,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2019-10-15 01:20:51,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 118 transitions. [2019-10-15 01:20:51,108 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 118 transitions. Word has length 46 [2019-10-15 01:20:51,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:51,110 INFO L462 AbstractCegarLoop]: Abstraction has 102 states and 118 transitions. [2019-10-15 01:20:51,110 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:20:51,111 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 118 transitions. [2019-10-15 01:20:51,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-15 01:20:51,117 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:51,117 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:51,117 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:51,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:51,118 INFO L82 PathProgramCache]: Analyzing trace with hash -83452995, now seen corresponding path program 1 times [2019-10-15 01:20:51,119 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:51,120 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197448098] [2019-10-15 01:20:51,120 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:51,120 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:51,120 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:51,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:51,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:51,296 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197448098] [2019-10-15 01:20:51,296 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:51,296 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:20:51,297 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524665063] [2019-10-15 01:20:51,298 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:20:51,299 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:51,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:20:51,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:20:51,300 INFO L87 Difference]: Start difference. First operand 102 states and 118 transitions. Second operand 3 states. [2019-10-15 01:20:51,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:51,334 INFO L93 Difference]: Finished difference Result 153 states and 175 transitions. [2019-10-15 01:20:51,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:20:51,336 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-15 01:20:51,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:51,339 INFO L225 Difference]: With dead ends: 153 [2019-10-15 01:20:51,339 INFO L226 Difference]: Without dead ends: 93 [2019-10-15 01:20:51,340 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:20:51,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2019-10-15 01:20:51,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2019-10-15 01:20:51,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2019-10-15 01:20:51,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 106 transitions. [2019-10-15 01:20:51,355 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 106 transitions. Word has length 47 [2019-10-15 01:20:51,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:51,355 INFO L462 AbstractCegarLoop]: Abstraction has 93 states and 106 transitions. [2019-10-15 01:20:51,355 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:20:51,355 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 106 transitions. [2019-10-15 01:20:51,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-15 01:20:51,357 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:51,357 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:51,358 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:51,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:51,358 INFO L82 PathProgramCache]: Analyzing trace with hash 474814694, now seen corresponding path program 1 times [2019-10-15 01:20:51,358 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:51,359 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466224508] [2019-10-15 01:20:51,359 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:51,359 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:51,359 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:51,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:51,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:51,510 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466224508] [2019-10-15 01:20:51,511 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:51,511 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:20:51,511 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290551111] [2019-10-15 01:20:51,512 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:20:51,512 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:51,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:20:51,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:20:51,515 INFO L87 Difference]: Start difference. First operand 93 states and 106 transitions. Second operand 7 states. [2019-10-15 01:20:51,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:51,767 INFO L93 Difference]: Finished difference Result 162 states and 189 transitions. [2019-10-15 01:20:51,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:20:51,768 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-10-15 01:20:51,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:51,770 INFO L225 Difference]: With dead ends: 162 [2019-10-15 01:20:51,771 INFO L226 Difference]: Without dead ends: 93 [2019-10-15 01:20:51,772 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:20:51,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2019-10-15 01:20:51,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2019-10-15 01:20:51,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2019-10-15 01:20:51,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 105 transitions. [2019-10-15 01:20:51,785 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 105 transitions. Word has length 51 [2019-10-15 01:20:51,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:51,788 INFO L462 AbstractCegarLoop]: Abstraction has 93 states and 105 transitions. [2019-10-15 01:20:51,789 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:20:51,789 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 105 transitions. [2019-10-15 01:20:51,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-15 01:20:51,791 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:51,793 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:51,794 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:51,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:51,794 INFO L82 PathProgramCache]: Analyzing trace with hash -634354162, now seen corresponding path program 1 times [2019-10-15 01:20:51,794 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:51,795 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238421180] [2019-10-15 01:20:51,795 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:51,795 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:51,795 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:51,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:52,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:52,038 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238421180] [2019-10-15 01:20:52,039 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:52,039 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-15 01:20:52,039 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456600995] [2019-10-15 01:20:52,040 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-15 01:20:52,041 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:52,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-15 01:20:52,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:20:52,041 INFO L87 Difference]: Start difference. First operand 93 states and 105 transitions. Second operand 10 states. [2019-10-15 01:20:52,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:52,516 INFO L93 Difference]: Finished difference Result 280 states and 341 transitions. [2019-10-15 01:20:52,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-15 01:20:52,517 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 59 [2019-10-15 01:20:52,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:52,522 INFO L225 Difference]: With dead ends: 280 [2019-10-15 01:20:52,522 INFO L226 Difference]: Without dead ends: 211 [2019-10-15 01:20:52,523 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-10-15 01:20:52,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2019-10-15 01:20:52,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 207. [2019-10-15 01:20:52,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2019-10-15 01:20:52,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 243 transitions. [2019-10-15 01:20:52,553 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 243 transitions. Word has length 59 [2019-10-15 01:20:52,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:52,553 INFO L462 AbstractCegarLoop]: Abstraction has 207 states and 243 transitions. [2019-10-15 01:20:52,554 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-15 01:20:52,554 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 243 transitions. [2019-10-15 01:20:52,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-10-15 01:20:52,557 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:52,558 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:52,558 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:52,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:52,558 INFO L82 PathProgramCache]: Analyzing trace with hash -1803036166, now seen corresponding path program 1 times [2019-10-15 01:20:52,559 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:52,559 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558416890] [2019-10-15 01:20:52,559 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:52,559 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:52,559 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:52,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:52,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:52,640 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558416890] [2019-10-15 01:20:52,641 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:52,641 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:20:52,641 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787441833] [2019-10-15 01:20:52,642 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:20:52,642 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:52,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:20:52,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:20:52,643 INFO L87 Difference]: Start difference. First operand 207 states and 243 transitions. Second operand 3 states. [2019-10-15 01:20:52,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:52,660 INFO L93 Difference]: Finished difference Result 332 states and 400 transitions. [2019-10-15 01:20:52,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:20:52,661 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2019-10-15 01:20:52,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:52,663 INFO L225 Difference]: With dead ends: 332 [2019-10-15 01:20:52,663 INFO L226 Difference]: Without dead ends: 149 [2019-10-15 01:20:52,664 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:20:52,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2019-10-15 01:20:52,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2019-10-15 01:20:52,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2019-10-15 01:20:52,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 167 transitions. [2019-10-15 01:20:52,681 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 167 transitions. Word has length 67 [2019-10-15 01:20:52,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:52,681 INFO L462 AbstractCegarLoop]: Abstraction has 149 states and 167 transitions. [2019-10-15 01:20:52,681 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:20:52,682 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 167 transitions. [2019-10-15 01:20:52,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-10-15 01:20:52,684 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:52,684 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:52,684 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:52,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:52,685 INFO L82 PathProgramCache]: Analyzing trace with hash 1969970811, now seen corresponding path program 1 times [2019-10-15 01:20:52,685 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:52,685 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287263558] [2019-10-15 01:20:52,685 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:52,685 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:52,686 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:52,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:52,820 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-10-15 01:20:52,821 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287263558] [2019-10-15 01:20:52,821 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [619561580] [2019-10-15 01:20:52,821 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:20:53,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:53,036 INFO L256 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-15 01:20:53,047 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:20:53,172 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 28 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:20:53,173 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:20:53,314 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:20:53,324 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:20:53,467 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-15 01:20:53,468 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [203431721] [2019-10-15 01:20:53,474 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 99 [2019-10-15 01:20:53,520 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-15 01:20:53,520 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 01:20:53,587 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-15 01:20:53,589 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 68 root evaluator evaluations with a maximum evaluation depth of 0. Performed 68 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 126 variables. [2019-10-15 01:20:53,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:53,594 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-15 01:20:53,639 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-15 01:20:53,639 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-15 01:20:53,643 INFO L553 sIntCurrentIteration]: We unified 97 AI predicates to 97 [2019-10-15 01:20:53,643 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-15 01:20:53,644 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-15 01:20:53,644 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7, 7, 8] total 15 [2019-10-15 01:20:53,644 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269852181] [2019-10-15 01:20:53,645 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:20:53,646 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:53,646 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-15 01:20:53,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:20:53,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:20:53,647 INFO L87 Difference]: Start difference. First operand 149 states and 167 transitions. Second operand 2 states. [2019-10-15 01:20:53,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:53,650 INFO L93 Difference]: Finished difference Result 149 states and 167 transitions. [2019-10-15 01:20:53,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:20:53,650 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 98 [2019-10-15 01:20:53,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:53,651 INFO L225 Difference]: With dead ends: 149 [2019-10-15 01:20:53,651 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:20:53,652 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:20:53,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:20:53,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:20:53,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:20:53,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:20:53,653 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 98 [2019-10-15 01:20:53,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:53,654 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:20:53,654 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:20:53,654 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:20:53,654 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:20:53,859 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:20:53,864 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:20:54,007 INFO L443 ceAbstractionStarter]: For program point L225(lines 202 226) no Hoare annotation was computed. [2019-10-15 01:20:54,007 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 178 233) no Hoare annotation was computed. [2019-10-15 01:20:54,007 INFO L443 ceAbstractionStarter]: For program point L209(lines 209 213) no Hoare annotation was computed. [2019-10-15 01:20:54,007 INFO L443 ceAbstractionStarter]: For program point L209-1(lines 209 213) no Hoare annotation was computed. [2019-10-15 01:20:54,008 INFO L443 ceAbstractionStarter]: For program point L204(line 204) no Hoare annotation was computed. [2019-10-15 01:20:54,008 INFO L443 ceAbstractionStarter]: For program point L203-2(lines 203 224) no Hoare annotation was computed. [2019-10-15 01:20:54,008 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 178 233) no Hoare annotation was computed. [2019-10-15 01:20:54,008 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 178 233) no Hoare annotation was computed. [2019-10-15 01:20:54,009 INFO L443 ceAbstractionStarter]: For program point L286(lines 259 287) no Hoare annotation was computed. [2019-10-15 01:20:54,009 INFO L443 ceAbstractionStarter]: For program point L279(line 279) no Hoare annotation was computed. [2019-10-15 01:20:54,009 INFO L443 ceAbstractionStarter]: For program point L279-1(line 279) no Hoare annotation was computed. [2019-10-15 01:20:54,009 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 234 293) no Hoare annotation was computed. [2019-10-15 01:20:54,009 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 234 293) no Hoare annotation was computed. [2019-10-15 01:20:54,009 INFO L443 ceAbstractionStarter]: For program point L266(lines 266 270) no Hoare annotation was computed. [2019-10-15 01:20:54,009 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 234 293) no Hoare annotation was computed. [2019-10-15 01:20:54,010 INFO L443 ceAbstractionStarter]: For program point L266-1(lines 266 270) no Hoare annotation was computed. [2019-10-15 01:20:54,010 INFO L443 ceAbstractionStarter]: For program point L261(line 261) no Hoare annotation was computed. [2019-10-15 01:20:54,010 INFO L443 ceAbstractionStarter]: For program point L260-2(lines 260 285) no Hoare annotation was computed. [2019-10-15 01:20:54,011 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 865 871) the Hoare annotation is: true [2019-10-15 01:20:54,013 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 865 871) no Hoare annotation was computed. [2019-10-15 01:20:54,013 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 872 880) no Hoare annotation was computed. [2019-10-15 01:20:54,014 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 872 880) the Hoare annotation is: true [2019-10-15 01:20:54,014 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 872 880) no Hoare annotation was computed. [2019-10-15 01:20:54,014 INFO L446 ceAbstractionStarter]: At program point L512(line 512) the Hoare annotation is: true [2019-10-15 01:20:54,014 INFO L443 ceAbstractionStarter]: For program point L512-1(line 512) no Hoare annotation was computed. [2019-10-15 01:20:54,014 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 502 526) the Hoare annotation is: true [2019-10-15 01:20:54,015 INFO L443 ceAbstractionStarter]: For program point L510(lines 510 523) no Hoare annotation was computed. [2019-10-15 01:20:54,015 INFO L443 ceAbstractionStarter]: For program point L510-1(lines 502 526) no Hoare annotation was computed. [2019-10-15 01:20:54,015 INFO L446 ceAbstractionStarter]: At program point L508(line 508) the Hoare annotation is: true [2019-10-15 01:20:54,015 INFO L443 ceAbstractionStarter]: For program point L508-1(line 508) no Hoare annotation was computed. [2019-10-15 01:20:54,015 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 502 526) no Hoare annotation was computed. [2019-10-15 01:20:54,016 INFO L446 ceAbstractionStarter]: At program point L516(line 516) the Hoare annotation is: true [2019-10-15 01:20:54,016 INFO L443 ceAbstractionStarter]: For program point L514(lines 514 520) no Hoare annotation was computed. [2019-10-15 01:20:54,016 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 606 628) the Hoare annotation is: true [2019-10-15 01:20:54,016 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 606 628) no Hoare annotation was computed. [2019-10-15 01:20:54,019 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 606 628) no Hoare annotation was computed. [2019-10-15 01:20:54,019 INFO L446 ceAbstractionStarter]: At program point L618(line 618) the Hoare annotation is: true [2019-10-15 01:20:54,020 INFO L446 ceAbstractionStarter]: At program point L618-1(line 618) the Hoare annotation is: true [2019-10-15 01:20:54,020 INFO L443 ceAbstractionStarter]: For program point L616(lines 616 623) no Hoare annotation was computed. [2019-10-15 01:20:54,020 INFO L443 ceAbstractionStarter]: For program point L616-1(lines 616 623) no Hoare annotation was computed. [2019-10-15 01:20:54,020 INFO L443 ceAbstractionStarter]: For program point L614(line 614) no Hoare annotation was computed. [2019-10-15 01:20:54,020 INFO L446 ceAbstractionStarter]: At program point L613(line 613) the Hoare annotation is: true [2019-10-15 01:20:54,020 INFO L446 ceAbstractionStarter]: At program point L612(line 612) the Hoare annotation is: true [2019-10-15 01:20:54,021 INFO L446 ceAbstractionStarter]: At program point L612-1(line 612) the Hoare annotation is: true [2019-10-15 01:20:54,021 INFO L443 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2019-10-15 01:20:54,021 INFO L443 ceAbstractionStarter]: For program point L576(line 576) no Hoare annotation was computed. [2019-10-15 01:20:54,021 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 561 584) no Hoare annotation was computed. [2019-10-15 01:20:54,021 INFO L443 ceAbstractionStarter]: For program point L575(line 575) no Hoare annotation was computed. [2019-10-15 01:20:54,021 INFO L443 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2019-10-15 01:20:54,021 INFO L443 ceAbstractionStarter]: For program point L573(line 573) no Hoare annotation was computed. [2019-10-15 01:20:54,022 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 561 584) no Hoare annotation was computed. [2019-10-15 01:20:54,022 INFO L443 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2019-10-15 01:20:54,022 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 561 584) no Hoare annotation was computed. [2019-10-15 01:20:54,022 INFO L443 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2019-10-15 01:20:54,022 INFO L443 ceAbstractionStarter]: For program point L570(line 570) no Hoare annotation was computed. [2019-10-15 01:20:54,022 INFO L443 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2019-10-15 01:20:54,023 INFO L443 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2019-10-15 01:20:54,023 INFO L443 ceAbstractionStarter]: For program point L567(line 567) no Hoare annotation was computed. [2019-10-15 01:20:54,023 INFO L443 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2019-10-15 01:20:54,023 INFO L443 ceAbstractionStarter]: For program point L579(line 579) no Hoare annotation was computed. [2019-10-15 01:20:54,023 INFO L443 ceAbstractionStarter]: For program point L578(line 578) no Hoare annotation was computed. [2019-10-15 01:20:54,023 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 659 665) no Hoare annotation was computed. [2019-10-15 01:20:54,023 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 659 665) the Hoare annotation is: true [2019-10-15 01:20:54,023 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseEXIT(lines 692 699) no Hoare annotation was computed. [2019-10-15 01:20:54,024 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseENTRY(lines 692 699) no Hoare annotation was computed. [2019-10-15 01:20:54,024 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseFINAL(lines 692 699) no Hoare annotation was computed. [2019-10-15 01:20:54,024 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 736 744) no Hoare annotation was computed. [2019-10-15 01:20:54,024 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 736 744) the Hoare annotation is: true [2019-10-15 01:20:54,024 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 736 744) no Hoare annotation was computed. [2019-10-15 01:20:54,024 INFO L443 ceAbstractionStarter]: For program point L764(lines 764 772) no Hoare annotation was computed. [2019-10-15 01:20:54,024 INFO L443 ceAbstractionStarter]: For program point L764-2(lines 764 772) no Hoare annotation was computed. [2019-10-15 01:20:54,024 INFO L443 ceAbstractionStarter]: For program point L752(lines 752 760) no Hoare annotation was computed. [2019-10-15 01:20:54,025 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 745 780) no Hoare annotation was computed. [2019-10-15 01:20:54,025 INFO L443 ceAbstractionStarter]: For program point L752-2(lines 752 760) no Hoare annotation was computed. [2019-10-15 01:20:54,025 INFO L443 ceAbstractionStarter]: For program point L775(line 775) no Hoare annotation was computed. [2019-10-15 01:20:54,025 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 745 780) no Hoare annotation was computed. [2019-10-15 01:20:54,025 INFO L443 ceAbstractionStarter]: For program point L775-1(line 775) no Hoare annotation was computed. [2019-10-15 01:20:54,025 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 745 780) no Hoare annotation was computed. [2019-10-15 01:20:54,025 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 858 864) no Hoare annotation was computed. [2019-10-15 01:20:54,025 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 858 864) the Hoare annotation is: true [2019-10-15 01:20:54,026 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 132 177) no Hoare annotation was computed. [2019-10-15 01:20:54,026 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 132 177) no Hoare annotation was computed. [2019-10-15 01:20:54,026 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 132 177) no Hoare annotation was computed. [2019-10-15 01:20:54,026 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 445 490) no Hoare annotation was computed. [2019-10-15 01:20:54,026 INFO L443 ceAbstractionStarter]: For program point L465(lines 465 472) no Hoare annotation was computed. [2019-10-15 01:20:54,026 INFO L443 ceAbstractionStarter]: For program point L459(lines 459 479) no Hoare annotation was computed. [2019-10-15 01:20:54,027 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 445 490) no Hoare annotation was computed. [2019-10-15 01:20:54,027 INFO L443 ceAbstractionStarter]: For program point L459-1(lines 459 479) no Hoare annotation was computed. [2019-10-15 01:20:54,027 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 445 490) no Hoare annotation was computed. [2019-10-15 01:20:54,027 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 593 602) the Hoare annotation is: true [2019-10-15 01:20:54,027 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 593 602) no Hoare annotation was computed. [2019-10-15 01:20:54,027 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 593 602) no Hoare annotation was computed. [2019-10-15 01:20:54,028 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 725 735) the Hoare annotation is: true [2019-10-15 01:20:54,028 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 725 735) no Hoare annotation was computed. [2019-10-15 01:20:54,028 INFO L446 ceAbstractionStarter]: At program point L730(line 730) the Hoare annotation is: true [2019-10-15 01:20:54,028 INFO L443 ceAbstractionStarter]: For program point L730-1(line 730) no Hoare annotation was computed. [2019-10-15 01:20:54,028 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 725 735) no Hoare annotation was computed. [2019-10-15 01:20:54,028 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 717 724) the Hoare annotation is: true [2019-10-15 01:20:54,029 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 717 724) no Hoare annotation was computed. [2019-10-15 01:20:54,029 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 717 724) no Hoare annotation was computed. [2019-10-15 01:20:54,029 INFO L446 ceAbstractionStarter]: At program point L673(line 673) the Hoare annotation is: true [2019-10-15 01:20:54,029 INFO L443 ceAbstractionStarter]: For program point L673-1(line 673) no Hoare annotation was computed. [2019-10-15 01:20:54,029 INFO L443 ceAbstractionStarter]: For program point L671(lines 671 688) no Hoare annotation was computed. [2019-10-15 01:20:54,030 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 667 691) no Hoare annotation was computed. [2019-10-15 01:20:54,030 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 667 691) the Hoare annotation is: true [2019-10-15 01:20:54,030 INFO L446 ceAbstractionStarter]: At program point L686(line 686) the Hoare annotation is: true [2019-10-15 01:20:54,030 INFO L443 ceAbstractionStarter]: For program point L686-1(lines 667 691) no Hoare annotation was computed. [2019-10-15 01:20:54,030 INFO L446 ceAbstractionStarter]: At program point L681(line 681) the Hoare annotation is: true [2019-10-15 01:20:54,030 INFO L446 ceAbstractionStarter]: At program point L677(line 677) the Hoare annotation is: true [2019-10-15 01:20:54,031 INFO L443 ceAbstractionStarter]: For program point L675(lines 675 683) no Hoare annotation was computed. [2019-10-15 01:20:54,031 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 782 845) the Hoare annotation is: true [2019-10-15 01:20:54,031 INFO L443 ceAbstractionStarter]: For program point L828(lines 828 832) no Hoare annotation was computed. [2019-10-15 01:20:54,031 INFO L446 ceAbstractionStarter]: At program point L828-2(lines 822 833) the Hoare annotation is: true [2019-10-15 01:20:54,031 INFO L443 ceAbstractionStarter]: For program point L793(lines 792 837) no Hoare annotation was computed. [2019-10-15 01:20:54,031 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 782 845) no Hoare annotation was computed. [2019-10-15 01:20:54,032 INFO L443 ceAbstractionStarter]: For program point L822(lines 822 833) no Hoare annotation was computed. [2019-10-15 01:20:54,032 INFO L446 ceAbstractionStarter]: At program point L814(line 814) the Hoare annotation is: true [2019-10-15 01:20:54,032 INFO L443 ceAbstractionStarter]: For program point L812(lines 812 818) no Hoare annotation was computed. [2019-10-15 01:20:54,032 INFO L443 ceAbstractionStarter]: For program point L812-1(lines 812 818) no Hoare annotation was computed. [2019-10-15 01:20:54,032 INFO L446 ceAbstractionStarter]: At program point L804(line 804) the Hoare annotation is: true [2019-10-15 01:20:54,032 INFO L446 ceAbstractionStarter]: At program point L835(lines 792 837) the Hoare annotation is: true [2019-10-15 01:20:54,032 INFO L443 ceAbstractionStarter]: For program point L802(lines 802 808) no Hoare annotation was computed. [2019-10-15 01:20:54,033 INFO L443 ceAbstractionStarter]: For program point L802-1(lines 802 808) no Hoare annotation was computed. [2019-10-15 01:20:54,033 INFO L443 ceAbstractionStarter]: For program point L794(lines 794 798) no Hoare annotation was computed. [2019-10-15 01:20:54,033 INFO L446 ceAbstractionStarter]: At program point L838(lines 791 839) the Hoare annotation is: true [2019-10-15 01:20:54,033 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 782 845) no Hoare annotation was computed. [2019-10-15 01:20:54,033 INFO L443 ceAbstractionStarter]: For program point L413(lines 413 433) no Hoare annotation was computed. [2019-10-15 01:20:54,033 INFO L443 ceAbstractionStarter]: For program point L413-1(lines 413 433) no Hoare annotation was computed. [2019-10-15 01:20:54,034 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 399 444) no Hoare annotation was computed. [2019-10-15 01:20:54,034 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 399 444) no Hoare annotation was computed. [2019-10-15 01:20:54,034 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 399 444) no Hoare annotation was computed. [2019-10-15 01:20:54,034 INFO L443 ceAbstractionStarter]: For program point L419(lines 419 426) no Hoare annotation was computed. [2019-10-15 01:20:54,034 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 93 115) no Hoare annotation was computed. [2019-10-15 01:20:54,034 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 93 115) no Hoare annotation was computed. [2019-10-15 01:20:54,034 INFO L443 ceAbstractionStarter]: For program point L101(lines 101 109) no Hoare annotation was computed. [2019-10-15 01:20:54,035 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 93 115) no Hoare annotation was computed. [2019-10-15 01:20:54,035 INFO L443 ceAbstractionStarter]: For program point L101-2(lines 101 109) no Hoare annotation was computed. [2019-10-15 01:20:54,035 INFO L443 ceAbstractionStarter]: For program point L320(lines 320 324) no Hoare annotation was computed. [2019-10-15 01:20:54,035 INFO L443 ceAbstractionStarter]: For program point L384(lines 384 395) no Hoare annotation was computed. [2019-10-15 01:20:54,035 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 296 398) no Hoare annotation was computed. [2019-10-15 01:20:54,035 INFO L443 ceAbstractionStarter]: For program point L347(lines 347 351) no Hoare annotation was computed. [2019-10-15 01:20:54,036 INFO L443 ceAbstractionStarter]: For program point L345-2(lines 345 365) no Hoare annotation was computed. [2019-10-15 01:20:54,036 INFO L443 ceAbstractionStarter]: For program point L366(lines 344 367) no Hoare annotation was computed. [2019-10-15 01:20:54,036 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 296 398) no Hoare annotation was computed. [2019-10-15 01:20:54,036 INFO L443 ceAbstractionStarter]: For program point L325(lines 325 341) no Hoare annotation was computed. [2019-10-15 01:20:54,036 INFO L443 ceAbstractionStarter]: For program point L385(lines 385 392) no Hoare annotation was computed. [2019-10-15 01:20:54,040 INFO L443 ceAbstractionStarter]: For program point L346(lines 345 365) no Hoare annotation was computed. [2019-10-15 01:20:54,040 INFO L443 ceAbstractionStarter]: For program point L377(line 377) no Hoare annotation was computed. [2019-10-15 01:20:54,040 INFO L443 ceAbstractionStarter]: For program point L377-1(line 377) no Hoare annotation was computed. [2019-10-15 01:20:54,040 INFO L443 ceAbstractionStarter]: For program point L342(lines 342 383) no Hoare annotation was computed. [2019-10-15 01:20:54,040 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 296 398) no Hoare annotation was computed. [2019-10-15 01:20:54,040 INFO L443 ceAbstractionStarter]: For program point L361(line 361) no Hoare annotation was computed. [2019-10-15 01:20:54,041 INFO L443 ceAbstractionStarter]: For program point L361-1(line 361) no Hoare annotation was computed. [2019-10-15 01:20:54,041 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 848 857) no Hoare annotation was computed. [2019-10-15 01:20:54,041 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 848 857) no Hoare annotation was computed. [2019-10-15 01:20:54,041 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 848 857) no Hoare annotation was computed. [2019-10-15 01:20:54,041 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:54,043 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:20:54,043 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:54,044 INFO L443 ceAbstractionStarter]: For program point L705(line 705) no Hoare annotation was computed. [2019-10-15 01:20:54,044 INFO L443 ceAbstractionStarter]: For program point L705-1(line 705) no Hoare annotation was computed. [2019-10-15 01:20:54,044 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 700 716) no Hoare annotation was computed. [2019-10-15 01:20:54,044 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 700 716) no Hoare annotation was computed. [2019-10-15 01:20:54,044 INFO L443 ceAbstractionStarter]: For program point L711(line 711) no Hoare annotation was computed. [2019-10-15 01:20:54,044 INFO L443 ceAbstractionStarter]: For program point L711-1(lines 700 716) no Hoare annotation was computed. [2019-10-15 01:20:54,045 INFO L443 ceAbstractionStarter]: For program point L707(lines 707 713) no Hoare annotation was computed. [2019-10-15 01:20:54,045 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 116 124) the Hoare annotation is: true [2019-10-15 01:20:54,045 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 116 124) no Hoare annotation was computed. [2019-10-15 01:20:54,045 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2019-10-15 01:20:54,045 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: true [2019-10-15 01:20:54,045 INFO L443 ceAbstractionStarter]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2019-10-15 01:20:54,045 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2019-10-15 01:20:54,045 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:54,045 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 01:20:54,046 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:54,046 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2019-10-15 01:20:54,046 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2019-10-15 01:20:54,046 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2019-10-15 01:20:54,046 INFO L446 ceAbstractionStarter]: At program point L641(line 641) the Hoare annotation is: true [2019-10-15 01:20:54,046 INFO L443 ceAbstractionStarter]: For program point L639(lines 638 657) no Hoare annotation was computed. [2019-10-15 01:20:54,047 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 635 658) the Hoare annotation is: true [2019-10-15 01:20:54,047 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 635 658) no Hoare annotation was computed. [2019-10-15 01:20:54,047 INFO L446 ceAbstractionStarter]: At program point L648(line 648) the Hoare annotation is: true [2019-10-15 01:20:54,047 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 635 658) no Hoare annotation was computed. [2019-10-15 01:20:54,047 INFO L446 ceAbstractionStarter]: At program point L646(lines 646 652) the Hoare annotation is: true [2019-10-15 01:20:54,047 INFO L443 ceAbstractionStarter]: For program point L544(lines 544 548) no Hoare annotation was computed. [2019-10-15 01:20:54,047 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 530 559) no Hoare annotation was computed. [2019-10-15 01:20:54,048 INFO L446 ceAbstractionStarter]: At program point L544-1(lines 544 548) the Hoare annotation is: true [2019-10-15 01:20:54,048 INFO L443 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2019-10-15 01:20:54,048 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 530 559) the Hoare annotation is: true [2019-10-15 01:20:54,048 INFO L446 ceAbstractionStarter]: At program point L540-2(lines 540 554) the Hoare annotation is: true [2019-10-15 01:20:54,048 INFO L446 ceAbstractionStarter]: At program point L536(line 536) the Hoare annotation is: true [2019-10-15 01:20:54,048 INFO L443 ceAbstractionStarter]: For program point L536-1(line 536) no Hoare annotation was computed. [2019-10-15 01:20:54,048 INFO L446 ceAbstractionStarter]: At program point L555(lines 530 559) the Hoare annotation is: true [2019-10-15 01:20:54,049 INFO L443 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2019-10-15 01:20:54,049 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2019-10-15 01:20:54,049 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2019-10-15 01:20:54,049 INFO L443 ceAbstractionStarter]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2019-10-15 01:20:54,049 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 585 591) no Hoare annotation was computed. [2019-10-15 01:20:54,049 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 585 591) the Hoare annotation is: true [2019-10-15 01:20:54,049 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:54,049 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-15 01:20:54,050 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:20:54,050 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:54,050 INFO L443 ceAbstractionStarter]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2019-10-15 01:20:54,050 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2019-10-15 01:20:54,051 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: true [2019-10-15 01:20:54,051 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 492 499) no Hoare annotation was computed. [2019-10-15 01:20:54,051 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 492 499) the Hoare annotation is: true [2019-10-15 01:20:54,051 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 496) no Hoare annotation was computed. [2019-10-15 01:20:54,052 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 492 499) no Hoare annotation was computed. [2019-10-15 01:20:54,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:20:54 BoogieIcfgContainer [2019-10-15 01:20:54,072 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:20:54,079 INFO L168 Benchmark]: Toolchain (without parser) took 5502.36 ms. Allocated memory was 146.8 MB in the beginning and 285.2 MB in the end (delta: 138.4 MB). Free memory was 104.2 MB in the beginning and 196.6 MB in the end (delta: -92.4 MB). Peak memory consumption was 46.0 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:54,081 INFO L168 Benchmark]: CDTParser took 1.26 ms. Allocated memory is still 146.8 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-15 01:20:54,086 INFO L168 Benchmark]: CACSL2BoogieTranslator took 709.79 ms. Allocated memory was 146.8 MB in the beginning and 206.0 MB in the end (delta: 59.2 MB). Free memory was 104.0 MB in the beginning and 175.7 MB in the end (delta: -71.7 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:54,089 INFO L168 Benchmark]: Boogie Preprocessor took 96.21 ms. Allocated memory is still 206.0 MB. Free memory was 175.7 MB in the beginning and 171.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:54,090 INFO L168 Benchmark]: RCFGBuilder took 1132.97 ms. Allocated memory was 206.0 MB in the beginning and 234.9 MB in the end (delta: 28.8 MB). Free memory was 171.6 MB in the beginning and 201.0 MB in the end (delta: -29.4 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:54,090 INFO L168 Benchmark]: TraceAbstraction took 3554.27 ms. Allocated memory was 234.9 MB in the beginning and 285.2 MB in the end (delta: 50.3 MB). Free memory was 201.0 MB in the beginning and 196.6 MB in the end (delta: 4.4 MB). Peak memory consumption was 54.8 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:54,099 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.26 ms. Allocated memory is still 146.8 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 709.79 ms. Allocated memory was 146.8 MB in the beginning and 206.0 MB in the end (delta: 59.2 MB). Free memory was 104.0 MB in the beginning and 175.7 MB in the end (delta: -71.7 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 96.21 ms. Allocated memory is still 206.0 MB. Free memory was 175.7 MB in the beginning and 171.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1132.97 ms. Allocated memory was 206.0 MB in the beginning and 234.9 MB in the end (delta: 28.8 MB). Free memory was 171.6 MB in the beginning and 201.0 MB in the end (delta: -29.4 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3554.27 ms. Allocated memory was 234.9 MB in the beginning and 285.2 MB in the end (delta: 50.3 MB). Free memory was 201.0 MB in the beginning and 196.6 MB in the end (delta: 4.4 MB). Peak memory consumption was 54.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 496]: 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: 530]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 211 locations, 1 error locations. Result: SAFE, OverallTime: 3.4s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 537 SDtfs, 378 SDslu, 1013 SDs, 0 SdLazy, 352 SolverSat, 84 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 142 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=207occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 262 PreInvPairs, 263 NumberOfFragments, 49 HoareAnnotationTreeSize, 262 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 49 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 466 NumberOfCodeBlocks, 466 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 556 ConstructedInterpolants, 0 QuantifiedInterpolants, 88014 SizeOfPredicates, 3 NumberOfNonLiveVariables, 745 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 84/93 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 121, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.9690721649484536, AVG_WEAKENED_CONJUNCTS: 0.0, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...