/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product41.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 01:00:39,064 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 01:00:39,067 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 01:00:39,085 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 01:00:39,085 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 01:00:39,087 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 01:00:39,090 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 01:00:39,099 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 01:00:39,103 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 01:00:39,106 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 01:00:39,108 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 01:00:39,110 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 01:00:39,110 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 01:00:39,112 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 01:00:39,114 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 01:00:39,116 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 01:00:39,118 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 01:00:39,119 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 01:00:39,120 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 01:00:39,125 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 01:00:39,130 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 01:00:39,133 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 01:00:39,136 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 01:00:39,137 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 01:00:39,139 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 01:00:39,140 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 01:00:39,140 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 01:00:39,142 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 01:00:39,142 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 01:00:39,145 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 01:00:39,145 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 01:00:39,146 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 01:00:39,146 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 01:00:39,147 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 01:00:39,149 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 01:00:39,149 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 01:00:39,149 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 01:00:39,150 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 01:00:39,150 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 01:00:39,151 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 01:00:39,152 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 01:00:39,152 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 01:00:39,187 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 01:00:39,187 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 01:00:39,190 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 01:00:39,191 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 01:00:39,191 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 01:00:39,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 01:00:39,191 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 01:00:39,193 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 01:00:39,193 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 01:00:39,193 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 01:00:39,193 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 01:00:39,194 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 01:00:39,194 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 01:00:39,194 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 01:00:39,194 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 01:00:39,194 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 01:00:39,194 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 01:00:39,195 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 01:00:39,195 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 01:00:39,195 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 01:00:39,195 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 01:00:39,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 01:00:39,197 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 01:00:39,197 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 01:00:39,197 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 01:00:39,198 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 01:00:39,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 01:00:39,198 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 01:00:39,198 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-11-07 01:00:39,469 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 01:00:39,484 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 01:00:39,488 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 01:00:39,489 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 01:00:39,489 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 01:00:39,490 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product41.cil.c [2019-11-07 01:00:39,565 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adb5d16da/4664c73bf4414b1d8421d4748b6db37e/FLAGe3e819f2f [2019-11-07 01:00:40,117 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 01:00:40,118 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product41.cil.c [2019-11-07 01:00:40,140 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adb5d16da/4664c73bf4414b1d8421d4748b6db37e/FLAGe3e819f2f [2019-11-07 01:00:40,473 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adb5d16da/4664c73bf4414b1d8421d4748b6db37e [2019-11-07 01:00:40,483 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 01:00:40,484 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 01:00:40,485 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 01:00:40,486 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 01:00:40,489 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 01:00:40,490 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:00:40" (1/1) ... [2019-11-07 01:00:40,494 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3da24f5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:40, skipping insertion in model container [2019-11-07 01:00:40,494 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:00:40" (1/1) ... [2019-11-07 01:00:40,502 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 01:00:40,567 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 01:00:41,033 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:00:41,053 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 01:00:41,152 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:00:41,190 INFO L192 MainTranslator]: Completed translation [2019-11-07 01:00:41,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:41 WrapperNode [2019-11-07 01:00:41,190 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 01:00:41,191 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 01:00:41,191 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 01:00:41,191 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 01:00:41,202 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:41" (1/1) ... [2019-11-07 01:00:41,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:41" (1/1) ... [2019-11-07 01:00:41,221 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:41" (1/1) ... [2019-11-07 01:00:41,221 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:41" (1/1) ... [2019-11-07 01:00:41,249 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:41" (1/1) ... [2019-11-07 01:00:41,259 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:41" (1/1) ... [2019-11-07 01:00:41,264 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:41" (1/1) ... [2019-11-07 01:00:41,273 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 01:00:41,273 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 01:00:41,273 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 01:00:41,274 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 01:00:41,275 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:41" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 01:00:41,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 01:00:41,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 01:00:41,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 01:00:41,350 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 01:00:41,350 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 01:00:41,351 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 01:00:41,351 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 01:00:41,351 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 01:00:41,352 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 01:00:41,352 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 01:00:41,353 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-11-07 01:00:41,353 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 01:00:41,353 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 01:00:41,354 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 01:00:41,354 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 01:00:41,354 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 01:00:41,356 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-11-07 01:00:41,357 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 01:00:41,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-11-07 01:00:41,357 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 01:00:41,357 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 01:00:41,358 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 01:00:41,358 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 01:00:41,358 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 01:00:41,358 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 01:00:41,358 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-11-07 01:00:41,358 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 01:00:41,359 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 01:00:41,359 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 01:00:41,359 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 01:00:41,359 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 01:00:41,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 01:00:41,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 01:00:41,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 01:00:41,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 01:00:41,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 01:00:41,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 01:00:41,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 01:00:41,361 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 01:00:41,361 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 01:00:41,361 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 01:00:41,361 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 01:00:41,361 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 01:00:41,361 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 01:00:41,362 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 01:00:41,362 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 01:00:41,362 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 01:00:41,362 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 01:00:41,362 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-11-07 01:00:41,362 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 01:00:41,362 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 01:00:41,362 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 01:00:41,363 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 01:00:41,363 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 01:00:41,363 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-11-07 01:00:41,363 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 01:00:41,363 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 01:00:41,363 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-11-07 01:00:41,363 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-11-07 01:00:41,364 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 01:00:41,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 01:00:41,364 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 01:00:41,364 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 01:00:41,365 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 01:00:41,365 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 01:00:41,365 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 01:00:41,365 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 01:00:41,365 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 01:00:41,365 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 01:00:41,365 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 01:00:41,366 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 01:00:41,366 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 01:00:41,366 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 01:00:41,367 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 01:00:41,367 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 01:00:41,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 01:00:41,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 01:00:41,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 01:00:41,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 01:00:41,368 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 01:00:41,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 01:00:41,368 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 01:00:41,368 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 01:00:41,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 01:00:41,369 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 01:00:41,370 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 01:00:41,370 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 01:00:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 01:00:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 01:00:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 01:00:42,494 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 01:00:42,494 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 01:00:42,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:00:42 BoogieIcfgContainer [2019-11-07 01:00:42,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 01:00:42,497 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 01:00:42,497 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 01:00:42,500 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 01:00:42,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:00:40" (1/3) ... [2019-11-07 01:00:42,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47c4b759 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:00:42, skipping insertion in model container [2019-11-07 01:00:42,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:41" (2/3) ... [2019-11-07 01:00:42,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47c4b759 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:00:42, skipping insertion in model container [2019-11-07 01:00:42,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:00:42" (3/3) ... [2019-11-07 01:00:42,503 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product41.cil.c [2019-11-07 01:00:42,513 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 01:00:42,521 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 01:00:42,533 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 01:00:42,560 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 01:00:42,560 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 01:00:42,560 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 01:00:42,560 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 01:00:42,560 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 01:00:42,561 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 01:00:42,561 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 01:00:42,561 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 01:00:42,581 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states. [2019-11-07 01:00:42,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-07 01:00:42,591 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:00:42,592 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:00:42,594 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:00:42,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:00:42,600 INFO L82 PathProgramCache]: Analyzing trace with hash 177325019, now seen corresponding path program 1 times [2019-11-07 01:00:42,610 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:00:42,610 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461016696] [2019-11-07 01:00:42,611 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:00:42,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:00:43,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:00:43,001 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461016696] [2019-11-07 01:00:43,002 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:00:43,002 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 01:00:43,003 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466861277] [2019-11-07 01:00:43,008 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 01:00:43,010 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:00:43,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 01:00:43,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 01:00:43,028 INFO L87 Difference]: Start difference. First operand 166 states. Second operand 2 states. [2019-11-07 01:00:43,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:00:43,069 INFO L93 Difference]: Finished difference Result 246 states and 305 transitions. [2019-11-07 01:00:43,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 01:00:43,071 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-11-07 01:00:43,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:00:43,084 INFO L225 Difference]: With dead ends: 246 [2019-11-07 01:00:43,085 INFO L226 Difference]: Without dead ends: 123 [2019-11-07 01:00:43,090 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 01:00:43,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2019-11-07 01:00:43,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2019-11-07 01:00:43,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2019-11-07 01:00:43,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 144 transitions. [2019-11-07 01:00:43,147 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 144 transitions. Word has length 52 [2019-11-07 01:00:43,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:00:43,148 INFO L462 AbstractCegarLoop]: Abstraction has 123 states and 144 transitions. [2019-11-07 01:00:43,148 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 01:00:43,148 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 144 transitions. [2019-11-07 01:00:43,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-07 01:00:43,152 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:00:43,152 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:00:43,153 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:00:43,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:00:43,153 INFO L82 PathProgramCache]: Analyzing trace with hash 1842882407, now seen corresponding path program 1 times [2019-11-07 01:00:43,153 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:00:43,154 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683788893] [2019-11-07 01:00:43,154 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:00:43,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:00:43,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:00:43,249 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683788893] [2019-11-07 01:00:43,250 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:00:43,250 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 01:00:43,250 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028138178] [2019-11-07 01:00:43,252 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 01:00:43,252 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:00:43,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 01:00:43,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 01:00:43,253 INFO L87 Difference]: Start difference. First operand 123 states and 144 transitions. Second operand 3 states. [2019-11-07 01:00:43,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:00:43,284 INFO L93 Difference]: Finished difference Result 195 states and 227 transitions. [2019-11-07 01:00:43,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 01:00:43,285 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-11-07 01:00:43,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:00:43,287 INFO L225 Difference]: With dead ends: 195 [2019-11-07 01:00:43,287 INFO L226 Difference]: Without dead ends: 114 [2019-11-07 01:00:43,291 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 01:00:43,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2019-11-07 01:00:43,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2019-11-07 01:00:43,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2019-11-07 01:00:43,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 132 transitions. [2019-11-07 01:00:43,317 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 132 transitions. Word has length 53 [2019-11-07 01:00:43,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:00:43,317 INFO L462 AbstractCegarLoop]: Abstraction has 114 states and 132 transitions. [2019-11-07 01:00:43,317 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 01:00:43,318 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 132 transitions. [2019-11-07 01:00:43,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-07 01:00:43,320 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:00:43,320 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:00:43,321 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:00:43,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:00:43,321 INFO L82 PathProgramCache]: Analyzing trace with hash 774651483, now seen corresponding path program 1 times [2019-11-07 01:00:43,321 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:00:43,322 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472863986] [2019-11-07 01:00:43,322 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:00:43,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:00:43,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:00:43,490 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472863986] [2019-11-07 01:00:43,490 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:00:43,490 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 01:00:43,491 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626477604] [2019-11-07 01:00:43,491 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 01:00:43,492 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:00:43,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 01:00:43,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-07 01:00:43,492 INFO L87 Difference]: Start difference. First operand 114 states and 132 transitions. Second operand 7 states. [2019-11-07 01:00:43,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:00:43,892 INFO L93 Difference]: Finished difference Result 204 states and 241 transitions. [2019-11-07 01:00:43,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 01:00:43,894 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-11-07 01:00:43,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:00:43,897 INFO L225 Difference]: With dead ends: 204 [2019-11-07 01:00:43,897 INFO L226 Difference]: Without dead ends: 114 [2019-11-07 01:00:43,898 INFO L630 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 [2019-11-07 01:00:43,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2019-11-07 01:00:43,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2019-11-07 01:00:43,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2019-11-07 01:00:43,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 131 transitions. [2019-11-07 01:00:43,922 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 131 transitions. Word has length 57 [2019-11-07 01:00:43,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:00:43,922 INFO L462 AbstractCegarLoop]: Abstraction has 114 states and 131 transitions. [2019-11-07 01:00:43,923 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 01:00:43,923 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 131 transitions. [2019-11-07 01:00:43,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-07 01:00:43,929 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:00:43,929 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:00:43,929 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:00:43,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:00:43,932 INFO L82 PathProgramCache]: Analyzing trace with hash -771193848, now seen corresponding path program 1 times [2019-11-07 01:00:43,932 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:00:43,932 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54972704] [2019-11-07 01:00:43,933 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:00:43,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:00:44,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:00:44,113 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54972704] [2019-11-07 01:00:44,113 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:00:44,114 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 01:00:44,114 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951480401] [2019-11-07 01:00:44,114 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 01:00:44,115 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:00:44,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 01:00:44,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 01:00:44,115 INFO L87 Difference]: Start difference. First operand 114 states and 131 transitions. Second operand 5 states. [2019-11-07 01:00:44,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:00:44,618 INFO L93 Difference]: Finished difference Result 301 states and 361 transitions. [2019-11-07 01:00:44,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 01:00:44,618 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2019-11-07 01:00:44,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:00:44,621 INFO L225 Difference]: With dead ends: 301 [2019-11-07 01:00:44,622 INFO L226 Difference]: Without dead ends: 211 [2019-11-07 01:00:44,623 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-07 01:00:44,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2019-11-07 01:00:44,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 193. [2019-11-07 01:00:44,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2019-11-07 01:00:44,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 222 transitions. [2019-11-07 01:00:44,646 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 222 transitions. Word has length 65 [2019-11-07 01:00:44,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:00:44,646 INFO L462 AbstractCegarLoop]: Abstraction has 193 states and 222 transitions. [2019-11-07 01:00:44,647 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 01:00:44,647 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 222 transitions. [2019-11-07 01:00:44,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-11-07 01:00:44,648 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:00:44,648 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:00:44,648 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:00:44,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:00:44,649 INFO L82 PathProgramCache]: Analyzing trace with hash -913158347, now seen corresponding path program 1 times [2019-11-07 01:00:44,649 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:00:44,649 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291643201] [2019-11-07 01:00:44,649 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:00:44,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:00:44,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:00:44,768 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291643201] [2019-11-07 01:00:44,768 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:00:44,768 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 01:00:44,768 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590021430] [2019-11-07 01:00:44,769 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 01:00:44,769 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:00:44,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 01:00:44,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 01:00:44,770 INFO L87 Difference]: Start difference. First operand 193 states and 222 transitions. Second operand 6 states. [2019-11-07 01:00:44,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:00:44,988 INFO L93 Difference]: Finished difference Result 481 states and 582 transitions. [2019-11-07 01:00:44,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 01:00:44,989 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2019-11-07 01:00:44,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:00:44,993 INFO L225 Difference]: With dead ends: 481 [2019-11-07 01:00:44,994 INFO L226 Difference]: Without dead ends: 312 [2019-11-07 01:00:44,995 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-07 01:00:45,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2019-11-07 01:00:45,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 308. [2019-11-07 01:00:45,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2019-11-07 01:00:45,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 360 transitions. [2019-11-07 01:00:45,069 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 360 transitions. Word has length 79 [2019-11-07 01:00:45,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:00:45,070 INFO L462 AbstractCegarLoop]: Abstraction has 308 states and 360 transitions. [2019-11-07 01:00:45,070 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 01:00:45,071 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 360 transitions. [2019-11-07 01:00:45,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-11-07 01:00:45,074 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:00:45,074 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:00:45,074 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:00:45,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:00:45,074 INFO L82 PathProgramCache]: Analyzing trace with hash 421166267, now seen corresponding path program 1 times [2019-11-07 01:00:45,075 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:00:45,075 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023457227] [2019-11-07 01:00:45,075 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:00:45,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:00:45,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:00:45,228 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023457227] [2019-11-07 01:00:45,229 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:00:45,229 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 01:00:45,229 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542358451] [2019-11-07 01:00:45,230 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 01:00:45,230 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:00:45,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 01:00:45,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 01:00:45,231 INFO L87 Difference]: Start difference. First operand 308 states and 360 transitions. Second operand 6 states. [2019-11-07 01:00:45,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:00:45,443 INFO L93 Difference]: Finished difference Result 641 states and 776 transitions. [2019-11-07 01:00:45,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 01:00:45,444 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2019-11-07 01:00:45,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:00:45,448 INFO L225 Difference]: With dead ends: 641 [2019-11-07 01:00:45,448 INFO L226 Difference]: Without dead ends: 472 [2019-11-07 01:00:45,450 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-07 01:00:45,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2019-11-07 01:00:45,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 454. [2019-11-07 01:00:45,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 454 states. [2019-11-07 01:00:45,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 541 transitions. [2019-11-07 01:00:45,486 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 541 transitions. Word has length 83 [2019-11-07 01:00:45,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:00:45,486 INFO L462 AbstractCegarLoop]: Abstraction has 454 states and 541 transitions. [2019-11-07 01:00:45,487 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 01:00:45,487 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 541 transitions. [2019-11-07 01:00:45,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-11-07 01:00:45,489 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:00:45,489 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:00:45,489 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:00:45,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:00:45,490 INFO L82 PathProgramCache]: Analyzing trace with hash 750932028, now seen corresponding path program 1 times [2019-11-07 01:00:45,490 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:00:45,490 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927267495] [2019-11-07 01:00:45,490 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:00:45,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:00:45,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:00:45,559 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927267495] [2019-11-07 01:00:45,559 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:00:45,559 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 01:00:45,559 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407941812] [2019-11-07 01:00:45,560 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 01:00:45,561 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:00:45,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 01:00:45,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 01:00:45,561 INFO L87 Difference]: Start difference. First operand 454 states and 541 transitions. Second operand 5 states. [2019-11-07 01:00:45,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:00:45,601 INFO L93 Difference]: Finished difference Result 779 states and 946 transitions. [2019-11-07 01:00:45,601 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-07 01:00:45,601 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 83 [2019-11-07 01:00:45,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:00:45,604 INFO L225 Difference]: With dead ends: 779 [2019-11-07 01:00:45,605 INFO L226 Difference]: Without dead ends: 464 [2019-11-07 01:00:45,606 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 01:00:45,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2019-11-07 01:00:45,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 458. [2019-11-07 01:00:45,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2019-11-07 01:00:45,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 544 transitions. [2019-11-07 01:00:45,652 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 544 transitions. Word has length 83 [2019-11-07 01:00:45,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:00:45,653 INFO L462 AbstractCegarLoop]: Abstraction has 458 states and 544 transitions. [2019-11-07 01:00:45,653 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 01:00:45,653 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 544 transitions. [2019-11-07 01:00:45,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-11-07 01:00:45,660 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:00:45,660 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:00:45,660 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:00:45,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:00:45,661 INFO L82 PathProgramCache]: Analyzing trace with hash 678545470, now seen corresponding path program 1 times [2019-11-07 01:00:45,662 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:00:45,663 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88862335] [2019-11-07 01:00:45,663 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:00:45,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:00:45,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:00:45,787 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88862335] [2019-11-07 01:00:45,788 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:00:45,788 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-07 01:00:45,788 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567046194] [2019-11-07 01:00:45,789 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-07 01:00:45,789 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:00:45,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-07 01:00:45,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-07 01:00:45,793 INFO L87 Difference]: Start difference. First operand 458 states and 544 transitions. Second operand 9 states. [2019-11-07 01:00:45,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:00:45,865 INFO L93 Difference]: Finished difference Result 909 states and 1102 transitions. [2019-11-07 01:00:45,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-07 01:00:45,866 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 83 [2019-11-07 01:00:45,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:00:45,870 INFO L225 Difference]: With dead ends: 909 [2019-11-07 01:00:45,879 INFO L226 Difference]: Without dead ends: 475 [2019-11-07 01:00:45,883 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-07 01:00:45,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2019-11-07 01:00:45,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 465. [2019-11-07 01:00:45,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 465 states. [2019-11-07 01:00:45,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 551 transitions. [2019-11-07 01:00:45,921 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 551 transitions. Word has length 83 [2019-11-07 01:00:45,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:00:45,922 INFO L462 AbstractCegarLoop]: Abstraction has 465 states and 551 transitions. [2019-11-07 01:00:45,922 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-07 01:00:45,922 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 551 transitions. [2019-11-07 01:00:45,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-11-07 01:00:45,926 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:00:45,926 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:00:45,926 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:00:45,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:00:45,927 INFO L82 PathProgramCache]: Analyzing trace with hash 1174041569, now seen corresponding path program 1 times [2019-11-07 01:00:45,927 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:00:45,927 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240740238] [2019-11-07 01:00:45,927 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:00:45,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:00:46,083 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-07 01:00:46,083 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240740238] [2019-11-07 01:00:46,085 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2084152828] [2019-11-07 01:00:46,086 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:00:46,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:00:46,302 INFO L256 TraceCheckSpWp]: Trace formula consists of 751 conjuncts, 29 conjunts are in the unsatisfiable core [2019-11-07 01:00:46,313 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 01:00:46,426 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:00:46,427 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 01:00:46,830 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-07 01:00:46,830 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-07 01:00:46,831 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9, 9] total 19 [2019-11-07 01:00:46,831 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657675046] [2019-11-07 01:00:46,832 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-07 01:00:46,832 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:00:46,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-07 01:00:46,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2019-11-07 01:00:46,833 INFO L87 Difference]: Start difference. First operand 465 states and 551 transitions. Second operand 8 states. [2019-11-07 01:00:47,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:00:47,249 INFO L93 Difference]: Finished difference Result 1312 states and 1589 transitions. [2019-11-07 01:00:47,250 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 01:00:47,250 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 95 [2019-11-07 01:00:47,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:00:47,255 INFO L225 Difference]: With dead ends: 1312 [2019-11-07 01:00:47,255 INFO L226 Difference]: Without dead ends: 871 [2019-11-07 01:00:47,257 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2019-11-07 01:00:47,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2019-11-07 01:00:47,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 868. [2019-11-07 01:00:47,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 868 states. [2019-11-07 01:00:47,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1030 transitions. [2019-11-07 01:00:47,302 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1030 transitions. Word has length 95 [2019-11-07 01:00:47,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:00:47,302 INFO L462 AbstractCegarLoop]: Abstraction has 868 states and 1030 transitions. [2019-11-07 01:00:47,303 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-07 01:00:47,303 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1030 transitions. [2019-11-07 01:00:47,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-11-07 01:00:47,305 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:00:47,305 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:00:47,511 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:00:47,519 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:00:47,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:00:47,519 INFO L82 PathProgramCache]: Analyzing trace with hash 175480453, now seen corresponding path program 1 times [2019-11-07 01:00:47,520 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:00:47,520 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936209074] [2019-11-07 01:00:47,520 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:00:47,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:00:47,628 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-07 01:00:47,629 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936209074] [2019-11-07 01:00:47,629 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:00:47,629 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-07 01:00:47,629 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063082995] [2019-11-07 01:00:47,630 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-07 01:00:47,630 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:00:47,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-07 01:00:47,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-11-07 01:00:47,631 INFO L87 Difference]: Start difference. First operand 868 states and 1030 transitions. Second operand 10 states. [2019-11-07 01:00:47,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:00:47,959 INFO L93 Difference]: Finished difference Result 1660 states and 2007 transitions. [2019-11-07 01:00:47,959 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-07 01:00:47,959 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 99 [2019-11-07 01:00:47,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:00:47,965 INFO L225 Difference]: With dead ends: 1660 [2019-11-07 01:00:47,966 INFO L226 Difference]: Without dead ends: 816 [2019-11-07 01:00:47,969 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-11-07 01:00:47,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 816 states. [2019-11-07 01:00:48,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 816 to 802. [2019-11-07 01:00:48,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 802 states. [2019-11-07 01:00:48,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 802 states and 938 transitions. [2019-11-07 01:00:48,020 INFO L78 Accepts]: Start accepts. Automaton has 802 states and 938 transitions. Word has length 99 [2019-11-07 01:00:48,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:00:48,020 INFO L462 AbstractCegarLoop]: Abstraction has 802 states and 938 transitions. [2019-11-07 01:00:48,021 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-07 01:00:48,021 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 938 transitions. [2019-11-07 01:00:48,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-11-07 01:00:48,026 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:00:48,026 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:00:48,026 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:00:48,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:00:48,027 INFO L82 PathProgramCache]: Analyzing trace with hash -1676429373, now seen corresponding path program 1 times [2019-11-07 01:00:48,027 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:00:48,027 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971415742] [2019-11-07 01:00:48,027 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:00:48,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:00:48,162 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:00:48,163 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971415742] [2019-11-07 01:00:48,163 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:00:48,163 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-07 01:00:48,163 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602984064] [2019-11-07 01:00:48,164 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-07 01:00:48,164 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:00:48,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-07 01:00:48,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-11-07 01:00:48,164 INFO L87 Difference]: Start difference. First operand 802 states and 938 transitions. Second operand 10 states. [2019-11-07 01:00:48,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:00:48,435 INFO L93 Difference]: Finished difference Result 1581 states and 1854 transitions. [2019-11-07 01:00:48,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-07 01:00:48,436 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 99 [2019-11-07 01:00:48,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:00:48,437 INFO L225 Difference]: With dead ends: 1581 [2019-11-07 01:00:48,437 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 01:00:48,441 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-11-07 01:00:48,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 01:00:48,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 01:00:48,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 01:00:48,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 01:00:48,443 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 99 [2019-11-07 01:00:48,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:00:48,443 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 01:00:48,443 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-07 01:00:48,443 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 01:00:48,443 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 01:00:48,448 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 01:00:49,104 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 18 [2019-11-07 01:00:49,319 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 23 [2019-11-07 01:00:49,673 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 29 [2019-11-07 01:00:49,998 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 36 [2019-11-07 01:00:50,330 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 27 [2019-11-07 01:00:50,905 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 40 [2019-11-07 01:00:51,051 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 23 [2019-11-07 01:00:51,472 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 33 [2019-11-07 01:00:51,806 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 22 [2019-11-07 01:00:52,058 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 30 [2019-11-07 01:00:52,493 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 37 [2019-11-07 01:00:52,782 INFO L443 ceAbstractionStarter]: For program point L635(lines 635 639) no Hoare annotation was computed. [2019-11-07 01:00:52,782 INFO L443 ceAbstractionStarter]: For program point L635-1(lines 635 639) no Hoare annotation was computed. [2019-11-07 01:00:52,782 INFO L443 ceAbstractionStarter]: For program point L630(line 630) no Hoare annotation was computed. [2019-11-07 01:00:52,782 INFO L443 ceAbstractionStarter]: For program point L629-2(lines 629 650) no Hoare annotation was computed. [2019-11-07 01:00:52,782 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 604 659) no Hoare annotation was computed. [2019-11-07 01:00:52,782 INFO L443 ceAbstractionStarter]: For program point L651(lines 628 652) no Hoare annotation was computed. [2019-11-07 01:00:52,782 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 604 659) no Hoare annotation was computed. [2019-11-07 01:00:52,783 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 604 659) no Hoare annotation was computed. [2019-11-07 01:00:52,783 INFO L443 ceAbstractionStarter]: For program point L705(line 705) no Hoare annotation was computed. [2019-11-07 01:00:52,783 INFO L443 ceAbstractionStarter]: For program point L705-1(line 705) no Hoare annotation was computed. [2019-11-07 01:00:52,783 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 660 719) no Hoare annotation was computed. [2019-11-07 01:00:52,783 INFO L443 ceAbstractionStarter]: For program point L692(lines 692 696) no Hoare annotation was computed. [2019-11-07 01:00:52,783 INFO L443 ceAbstractionStarter]: For program point L692-1(lines 692 696) no Hoare annotation was computed. [2019-11-07 01:00:52,783 INFO L443 ceAbstractionStarter]: For program point L687(line 687) no Hoare annotation was computed. [2019-11-07 01:00:52,783 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 660 719) no Hoare annotation was computed. [2019-11-07 01:00:52,784 INFO L443 ceAbstractionStarter]: For program point L686-2(lines 686 711) no Hoare annotation was computed. [2019-11-07 01:00:52,784 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 660 719) no Hoare annotation was computed. [2019-11-07 01:00:52,784 INFO L443 ceAbstractionStarter]: For program point L712(lines 685 713) no Hoare annotation was computed. [2019-11-07 01:00:52,784 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2019-11-07 01:00:52,784 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2019-11-07 01:00:52,785 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2019-11-07 01:00:52,785 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2019-11-07 01:00:52,785 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2019-11-07 01:00:52,785 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 528 550) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 01:00:52,785 INFO L439 ceAbstractionStarter]: At program point L540(line 540) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~5 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 01:00:52,786 INFO L439 ceAbstractionStarter]: At program point L540-1(line 540) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~5 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 01:00:52,786 INFO L443 ceAbstractionStarter]: For program point L538(lines 538 545) no Hoare annotation was computed. [2019-11-07 01:00:52,786 INFO L443 ceAbstractionStarter]: For program point L538-1(lines 538 545) no Hoare annotation was computed. [2019-11-07 01:00:52,786 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 528 550) no Hoare annotation was computed. [2019-11-07 01:00:52,786 INFO L443 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2019-11-07 01:00:52,786 INFO L439 ceAbstractionStarter]: At program point L535(line 535) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 01:00:52,787 INFO L439 ceAbstractionStarter]: At program point L534(line 534) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 01:00:52,787 INFO L439 ceAbstractionStarter]: At program point L534-1(line 534) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 01:00:52,787 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 528 550) no Hoare annotation was computed. [2019-11-07 01:00:52,787 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 487 510) no Hoare annotation was computed. [2019-11-07 01:00:52,787 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 487 510) no Hoare annotation was computed. [2019-11-07 01:00:52,787 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 487 510) no Hoare annotation was computed. [2019-11-07 01:00:52,787 INFO L443 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-11-07 01:00:52,788 INFO L443 ceAbstractionStarter]: For program point L504(line 504) no Hoare annotation was computed. [2019-11-07 01:00:52,788 INFO L443 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2019-11-07 01:00:52,788 INFO L443 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2019-11-07 01:00:52,788 INFO L443 ceAbstractionStarter]: For program point L501(line 501) no Hoare annotation was computed. [2019-11-07 01:00:52,788 INFO L443 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2019-11-07 01:00:52,788 INFO L443 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2019-11-07 01:00:52,788 INFO L443 ceAbstractionStarter]: For program point L498(line 498) no Hoare annotation was computed. [2019-11-07 01:00:52,788 INFO L443 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2019-11-07 01:00:52,789 INFO L443 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-11-07 01:00:52,789 INFO L443 ceAbstractionStarter]: For program point L495(line 495) no Hoare annotation was computed. [2019-11-07 01:00:52,789 INFO L443 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2019-11-07 01:00:52,789 INFO L443 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-11-07 01:00:52,789 INFO L443 ceAbstractionStarter]: For program point L492(line 492) no Hoare annotation was computed. [2019-11-07 01:00:52,789 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 193 201) no Hoare annotation was computed. [2019-11-07 01:00:52,789 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 193 201) the Hoare annotation is: true [2019-11-07 01:00:52,789 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 193 201) no Hoare annotation was computed. [2019-11-07 01:00:52,790 INFO L443 ceAbstractionStarter]: For program point L221(lines 221 229) no Hoare annotation was computed. [2019-11-07 01:00:52,790 INFO L443 ceAbstractionStarter]: For program point L221-2(lines 221 229) no Hoare annotation was computed. [2019-11-07 01:00:52,790 INFO L443 ceAbstractionStarter]: For program point L209(lines 209 217) no Hoare annotation was computed. [2019-11-07 01:00:52,790 INFO L443 ceAbstractionStarter]: For program point L209-2(lines 209 217) no Hoare annotation was computed. [2019-11-07 01:00:52,790 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 202 237) no Hoare annotation was computed. [2019-11-07 01:00:52,790 INFO L443 ceAbstractionStarter]: For program point L232(line 232) no Hoare annotation was computed. [2019-11-07 01:00:52,790 INFO L443 ceAbstractionStarter]: For program point L232-1(line 232) no Hoare annotation was computed. [2019-11-07 01:00:52,790 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 202 237) no Hoare annotation was computed. [2019-11-07 01:00:52,791 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 202 237) no Hoare annotation was computed. [2019-11-07 01:00:52,791 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2019-11-07 01:00:52,791 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2019-11-07 01:00:52,791 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 558 603) no Hoare annotation was computed. [2019-11-07 01:00:52,791 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 558 603) no Hoare annotation was computed. [2019-11-07 01:00:52,791 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 558 603) no Hoare annotation was computed. [2019-11-07 01:00:52,791 INFO L443 ceAbstractionStarter]: For program point L891(lines 891 898) no Hoare annotation was computed. [2019-11-07 01:00:52,791 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 871 916) no Hoare annotation was computed. [2019-11-07 01:00:52,791 INFO L443 ceAbstractionStarter]: For program point L885(lines 885 905) no Hoare annotation was computed. [2019-11-07 01:00:52,792 INFO L443 ceAbstractionStarter]: For program point L885-1(lines 885 905) no Hoare annotation was computed. [2019-11-07 01:00:52,792 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 871 916) no Hoare annotation was computed. [2019-11-07 01:00:52,792 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 871 916) no Hoare annotation was computed. [2019-11-07 01:00:52,792 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 518 527) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 01:00:52,792 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 518 527) no Hoare annotation was computed. [2019-11-07 01:00:52,792 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 518 527) no Hoare annotation was computed. [2019-11-07 01:00:52,792 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 182 192) the Hoare annotation is: true [2019-11-07 01:00:52,793 INFO L446 ceAbstractionStarter]: At program point L187(line 187) the Hoare annotation is: true [2019-11-07 01:00:52,793 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 182 192) no Hoare annotation was computed. [2019-11-07 01:00:52,793 INFO L443 ceAbstractionStarter]: For program point L187-1(line 187) no Hoare annotation was computed. [2019-11-07 01:00:52,793 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 182 192) no Hoare annotation was computed. [2019-11-07 01:00:52,793 INFO L443 ceAbstractionStarter]: For program point deactivatePumpENTRY(lines 174 181) no Hoare annotation was computed. [2019-11-07 01:00:52,793 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 174 181) no Hoare annotation was computed. [2019-11-07 01:00:52,793 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 174 181) no Hoare annotation was computed. [2019-11-07 01:00:52,793 INFO L443 ceAbstractionStarter]: For program point L445(lines 445 451) no Hoare annotation was computed. [2019-11-07 01:00:52,794 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 441 454) no Hoare annotation was computed. [2019-11-07 01:00:52,794 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 441 454) the Hoare annotation is: true [2019-11-07 01:00:52,794 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 441 454) no Hoare annotation was computed. [2019-11-07 01:00:52,794 INFO L439 ceAbstractionStarter]: At program point L129(line 129) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0)) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse2) (or .cse4 .cse1 .cse2 .cse0) (or .cse5 .cse2 .cse3))) [2019-11-07 01:00:52,794 INFO L443 ceAbstractionStarter]: For program point L129-1(line 129) no Hoare annotation was computed. [2019-11-07 01:00:52,794 INFO L443 ceAbstractionStarter]: For program point L127(lines 127 144) no Hoare annotation was computed. [2019-11-07 01:00:52,795 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 123 147) no Hoare annotation was computed. [2019-11-07 01:00:52,795 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 123 147) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (= ~pumpRunning~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse0) (or .cse5 .cse6 .cse2 .cse3) (or .cse4 .cse6 .cse5 .cse2))) [2019-11-07 01:00:52,795 INFO L439 ceAbstractionStarter]: At program point L142(line 142) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (= ~pumpRunning~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse4 .cse5 .cse1 .cse2) (or .cse3 .cse5 .cse4 .cse1))) [2019-11-07 01:00:52,795 INFO L443 ceAbstractionStarter]: For program point L142-1(lines 123 147) no Hoare annotation was computed. [2019-11-07 01:00:52,795 INFO L439 ceAbstractionStarter]: At program point L137(line 137) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (and (not (= ~waterLevel~0 2)) (= ~pumpRunning~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse3 .cse2 .cse4) (or .cse0 .cse5 .cse3) (or .cse5 .cse3 .cse4))) [2019-11-07 01:00:52,796 INFO L439 ceAbstractionStarter]: At program point L133(line 133) the Hoare annotation is: (let ((.cse7 (= ~pumpRunning~0 0))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (and (not (= ~waterLevel~0 2)) .cse7)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and (= 1 processEnvironment_~tmp~0) .cse7))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse5 .cse2) (or .cse1 .cse2 .cse6) (or .cse3 .cse2 .cse5 .cse6 .cse4)))) [2019-11-07 01:00:52,796 INFO L443 ceAbstractionStarter]: For program point L131(lines 131 139) no Hoare annotation was computed. [2019-11-07 01:00:52,796 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 115 121) no Hoare annotation was computed. [2019-11-07 01:00:52,796 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 115 121) the Hoare annotation is: true [2019-11-07 01:00:52,796 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 261 324) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 01:00:52,796 INFO L439 ceAbstractionStarter]: At program point L283(line 283) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= 1 ~methaneLevelCritical~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~waterLevel~0 2)) .cse0 .cse1 .cse2) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse3) (and .cse1 .cse3 .cse4) (and .cse1 .cse2 .cse4))) [2019-11-07 01:00:52,797 INFO L439 ceAbstractionStarter]: At program point L314(lines 271 316) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= 1 ~methaneLevelCritical~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~waterLevel~0 2)) .cse0 .cse1 .cse2) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse3 .cse4) (and .cse0 .cse1 .cse3) (and .cse1 .cse2 .cse4))) [2019-11-07 01:00:52,797 INFO L443 ceAbstractionStarter]: For program point L281(lines 281 287) no Hoare annotation was computed. [2019-11-07 01:00:52,797 INFO L443 ceAbstractionStarter]: For program point L281-1(lines 281 287) no Hoare annotation was computed. [2019-11-07 01:00:52,797 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 261 324) no Hoare annotation was computed. [2019-11-07 01:00:52,797 INFO L443 ceAbstractionStarter]: For program point L273(lines 273 277) no Hoare annotation was computed. [2019-11-07 01:00:52,797 INFO L439 ceAbstractionStarter]: At program point L317(lines 270 318) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 01:00:52,797 INFO L443 ceAbstractionStarter]: For program point L307(lines 307 311) no Hoare annotation was computed. [2019-11-07 01:00:52,798 INFO L439 ceAbstractionStarter]: At program point L307-2(lines 301 312) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse3) (and .cse1 .cse3 .cse4) (and .cse1 .cse2 .cse4))) [2019-11-07 01:00:52,798 INFO L443 ceAbstractionStarter]: For program point L272(lines 271 316) no Hoare annotation was computed. [2019-11-07 01:00:52,798 INFO L443 ceAbstractionStarter]: For program point L301(lines 301 312) no Hoare annotation was computed. [2019-11-07 01:00:52,798 INFO L439 ceAbstractionStarter]: At program point L293(line 293) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse3) (and .cse1 .cse3 .cse4) (and .cse1 .cse2 .cse4))) [2019-11-07 01:00:52,798 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 297) no Hoare annotation was computed. [2019-11-07 01:00:52,798 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 261 324) no Hoare annotation was computed. [2019-11-07 01:00:52,798 INFO L443 ceAbstractionStarter]: For program point L291-1(lines 291 297) no Hoare annotation was computed. [2019-11-07 01:00:52,799 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 825 870) no Hoare annotation was computed. [2019-11-07 01:00:52,799 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 825 870) no Hoare annotation was computed. [2019-11-07 01:00:52,799 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 825 870) no Hoare annotation was computed. [2019-11-07 01:00:52,799 INFO L443 ceAbstractionStarter]: For program point L845(lines 845 852) no Hoare annotation was computed. [2019-11-07 01:00:52,799 INFO L443 ceAbstractionStarter]: For program point L839(lines 839 859) no Hoare annotation was computed. [2019-11-07 01:00:52,799 INFO L443 ceAbstractionStarter]: For program point L839-1(lines 839 859) no Hoare annotation was computed. [2019-11-07 01:00:52,799 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 148 155) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse0))) [2019-11-07 01:00:52,799 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 148 155) no Hoare annotation was computed. [2019-11-07 01:00:52,800 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 148 155) no Hoare annotation was computed. [2019-11-07 01:00:52,800 INFO L443 ceAbstractionStarter]: For program point L417(lines 417 425) no Hoare annotation was computed. [2019-11-07 01:00:52,800 INFO L443 ceAbstractionStarter]: For program point L417-2(lines 417 425) no Hoare annotation was computed. [2019-11-07 01:00:52,800 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 409 431) no Hoare annotation was computed. [2019-11-07 01:00:52,800 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 409 431) no Hoare annotation was computed. [2019-11-07 01:00:52,800 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 409 431) no Hoare annotation was computed. [2019-11-07 01:00:52,800 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2019-11-07 01:00:52,800 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2019-11-07 01:00:52,801 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2019-11-07 01:00:52,801 INFO L443 ceAbstractionStarter]: For program point L768(lines 768 809) no Hoare annotation was computed. [2019-11-07 01:00:52,801 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 722 824) no Hoare annotation was computed. [2019-11-07 01:00:52,801 INFO L443 ceAbstractionStarter]: For program point L787(line 787) no Hoare annotation was computed. [2019-11-07 01:00:52,801 INFO L443 ceAbstractionStarter]: For program point L787-1(line 787) no Hoare annotation was computed. [2019-11-07 01:00:52,801 INFO L443 ceAbstractionStarter]: For program point L746(lines 746 750) no Hoare annotation was computed. [2019-11-07 01:00:52,801 INFO L443 ceAbstractionStarter]: For program point L810(lines 810 821) no Hoare annotation was computed. [2019-11-07 01:00:52,801 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 722 824) no Hoare annotation was computed. [2019-11-07 01:00:52,802 INFO L443 ceAbstractionStarter]: For program point L773(lines 773 777) no Hoare annotation was computed. [2019-11-07 01:00:52,802 INFO L443 ceAbstractionStarter]: For program point L771-2(lines 771 791) no Hoare annotation was computed. [2019-11-07 01:00:52,802 INFO L443 ceAbstractionStarter]: For program point L792(lines 770 793) no Hoare annotation was computed. [2019-11-07 01:00:52,802 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 722 824) no Hoare annotation was computed. [2019-11-07 01:00:52,802 INFO L443 ceAbstractionStarter]: For program point L751(lines 751 767) no Hoare annotation was computed. [2019-11-07 01:00:52,802 INFO L443 ceAbstractionStarter]: For program point L811(lines 811 818) no Hoare annotation was computed. [2019-11-07 01:00:52,802 INFO L443 ceAbstractionStarter]: For program point L772(lines 771 791) no Hoare annotation was computed. [2019-11-07 01:00:52,802 INFO L443 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2019-11-07 01:00:52,802 INFO L443 ceAbstractionStarter]: For program point L803-1(line 803) no Hoare annotation was computed. [2019-11-07 01:00:52,803 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:00:52,803 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-11-07 01:00:52,803 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:00:52,803 INFO L443 ceAbstractionStarter]: For program point L162-1(line 162) no Hoare annotation was computed. [2019-11-07 01:00:52,803 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 157 173) no Hoare annotation was computed. [2019-11-07 01:00:52,803 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 157 173) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse0))) [2019-11-07 01:00:52,803 INFO L439 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= ~pumpRunning~0 0))) (and (or (and (= ~methaneLevelCritical~0 activatePump_~tmp~1) .cse0) .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse0))) [2019-11-07 01:00:52,804 INFO L443 ceAbstractionStarter]: For program point L168-1(lines 157 173) no Hoare annotation was computed. [2019-11-07 01:00:52,804 INFO L443 ceAbstractionStarter]: For program point L164(lines 164 170) no Hoare annotation was computed. [2019-11-07 01:00:52,804 INFO L439 ceAbstractionStarter]: At program point L162(line 162) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse0))) [2019-11-07 01:00:52,804 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 238 256) no Hoare annotation was computed. [2019-11-07 01:00:52,804 INFO L443 ceAbstractionStarter]: For program point L247(lines 247 251) no Hoare annotation was computed. [2019-11-07 01:00:52,804 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 238 256) the Hoare annotation is: true [2019-11-07 01:00:52,804 INFO L446 ceAbstractionStarter]: At program point L245(line 245) the Hoare annotation is: true [2019-11-07 01:00:52,804 INFO L443 ceAbstractionStarter]: For program point L247-2(lines 247 251) no Hoare annotation was computed. [2019-11-07 01:00:52,805 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 238 256) no Hoare annotation was computed. [2019-11-07 01:00:52,805 INFO L443 ceAbstractionStarter]: For program point L245-1(line 245) no Hoare annotation was computed. [2019-11-07 01:00:52,805 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 432 440) the Hoare annotation is: true [2019-11-07 01:00:52,805 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 432 440) no Hoare annotation was computed. [2019-11-07 01:00:52,805 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 432 440) no Hoare annotation was computed. [2019-11-07 01:00:52,805 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 388 399) the Hoare annotation is: (let ((.cse1 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse0 (= 1 ~methaneLevelCritical~0)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse5 (= 0 ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse3 .cse0) (or .cse5 .cse4 .cse3 .cse6) (or .cse2 .cse3 .cse6 .cse5))) [2019-11-07 01:00:52,805 INFO L443 ceAbstractionStarter]: For program point L392-1(lines 388 399) no Hoare annotation was computed. [2019-11-07 01:00:52,806 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 388 399) no Hoare annotation was computed. [2019-11-07 01:00:52,806 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:00:52,806 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-11-07 01:00:52,806 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:00:52,806 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 400 408) the Hoare annotation is: true [2019-11-07 01:00:52,806 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 400 408) no Hoare annotation was computed. [2019-11-07 01:00:52,806 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 400 408) no Hoare annotation was computed. [2019-11-07 01:00:52,806 INFO L439 ceAbstractionStarter]: At program point L97(line 97) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (= 1 ~waterLevel~0)) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= ~pumpRunning~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse3 .cse5) (or .cse6 .cse2 .cse3 .cse7 .cse5) (or .cse0 .cse4 .cse3) (or .cse0 .cse2 .cse3 .cse6 .cse7) (or .cse2 .cse3 .cse5 .cse1))) [2019-11-07 01:00:52,807 INFO L443 ceAbstractionStarter]: For program point L95(lines 94 113) no Hoare annotation was computed. [2019-11-07 01:00:52,807 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 91 114) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse8 (= 1 ~waterLevel~0)) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse10 (= ~pumpRunning~0 1)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (= |old(~waterLevel~0)| 2)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse6 (not (= ~waterLevel~0 2))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse2 .cse6 .cse3) (or .cse7 .cse1 .cse8 .cse2 .cse9) (or .cse7 .cse4 .cse1 .cse6 .cse2) (or .cse5 .cse2 .cse8 .cse9 .cse3) (or .cse1 .cse8 .cse2 .cse9 .cse3) (or .cse7 .cse1 .cse2 .cse0) (or .cse7 .cse4 .cse5 .cse2 .cse6) (or .cse5 .cse2 .cse3 .cse10) (or .cse7 .cse8 .cse5 .cse2 .cse9) (or .cse10 .cse7 .cse5 .cse2) (or .cse4 .cse1 .cse2 .cse6 .cse3))) [2019-11-07 01:00:52,807 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 91 114) no Hoare annotation was computed. [2019-11-07 01:00:52,807 INFO L439 ceAbstractionStarter]: At program point L104(line 104) the Hoare annotation is: (let ((.cse5 (= 1 ~waterLevel~0)) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= ~pumpRunning~0 0)) (.cse7 (= ~pumpRunning~0 1)) (.cse8 (not (= 1 |old(~pumpRunning~0)|))) (.cse9 (= |old(~waterLevel~0)| 2)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse10 (not (= ~waterLevel~0 2))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse2 .cse6) (or .cse4 .cse7 .cse8 .cse2) (or .cse4 .cse9 .cse1 .cse10 .cse2) (or .cse1 .cse5 .cse2 .cse6 .cse3) (or .cse4 .cse1 .cse2 .cse0) (or .cse7 .cse8 .cse2 .cse3) (or .cse9 .cse1 .cse2 .cse10 .cse3))) [2019-11-07 01:00:52,807 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 91 114) no Hoare annotation was computed. [2019-11-07 01:00:52,808 INFO L439 ceAbstractionStarter]: At program point L102(lines 102 108) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| 2)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse8 (= 1 ~waterLevel~0)) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~waterLevel~0 2))) (.cse10 (= ~pumpRunning~0 0)) (.cse6 (= ~pumpRunning~0 1)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse3) (or .cse5 .cse2 .cse8 .cse3 .cse9) (or .cse5 .cse1 .cse2 .cse0 .cse3) (or .cse5 .cse2 .cse6 .cse3 .cse10) (or .cse2 .cse8 .cse3 .cse9 .cse4) (or .cse2 .cse3 (and .cse0 .cse10) .cse4 .cse6) (or .cse6 .cse7 .cse3 .cse4))) [2019-11-07 01:00:52,808 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 457 486) no Hoare annotation was computed. [2019-11-07 01:00:52,808 INFO L443 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-11-07 01:00:52,808 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 457 486) the Hoare annotation is: true [2019-11-07 01:00:52,808 INFO L443 ceAbstractionStarter]: For program point L471(lines 471 475) no Hoare annotation was computed. [2019-11-07 01:00:52,808 INFO L446 ceAbstractionStarter]: At program point L471-1(lines 471 475) the Hoare annotation is: true [2019-11-07 01:00:52,808 INFO L443 ceAbstractionStarter]: For program point L468(line 468) no Hoare annotation was computed. [2019-11-07 01:00:52,809 INFO L446 ceAbstractionStarter]: At program point L467-2(lines 467 481) the Hoare annotation is: true [2019-11-07 01:00:52,809 INFO L446 ceAbstractionStarter]: At program point L463(line 463) the Hoare annotation is: true [2019-11-07 01:00:52,809 INFO L443 ceAbstractionStarter]: For program point L463-1(line 463) no Hoare annotation was computed. [2019-11-07 01:00:52,809 INFO L446 ceAbstractionStarter]: At program point L482(lines 457 486) the Hoare annotation is: true [2019-11-07 01:00:52,809 INFO L439 ceAbstractionStarter]: At program point L351(line 351) the Hoare annotation is: (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse3 .cse4 .cse1) (or (= ~waterLevel~0 2) .cse4 .cse1 .cse2))) [2019-11-07 01:00:52,809 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 328 360) no Hoare annotation was computed. [2019-11-07 01:00:52,809 INFO L443 ceAbstractionStarter]: For program point L347(lines 347 353) no Hoare annotation was computed. [2019-11-07 01:00:52,810 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 328 360) the Hoare annotation is: true [2019-11-07 01:00:52,810 INFO L439 ceAbstractionStarter]: At program point L345(line 345) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (= ~waterLevel~0 2)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse2) (or .cse4 .cse3 .cse2 .cse5) (or .cse4 .cse1 .cse2 .cse5))) [2019-11-07 01:00:52,810 INFO L443 ceAbstractionStarter]: For program point L345-1(line 345) no Hoare annotation was computed. [2019-11-07 01:00:52,810 INFO L443 ceAbstractionStarter]: For program point L343(lines 343 356) no Hoare annotation was computed. [2019-11-07 01:00:52,810 INFO L443 ceAbstractionStarter]: For program point L343-1(lines 328 360) no Hoare annotation was computed. [2019-11-07 01:00:52,810 INFO L439 ceAbstractionStarter]: At program point L341(line 341) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 1 ~pumpRunning~0)) .cse1) (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1))) [2019-11-07 01:00:52,810 INFO L443 ceAbstractionStarter]: For program point L341-1(line 341) no Hoare annotation was computed. [2019-11-07 01:00:52,811 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 357) no Hoare annotation was computed. [2019-11-07 01:00:52,811 INFO L446 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: true [2019-11-07 01:00:52,811 INFO L443 ceAbstractionStarter]: For program point L335-1(line 335) no Hoare annotation was computed. [2019-11-07 01:00:52,811 INFO L443 ceAbstractionStarter]: For program point L368-1(lines 364 375) no Hoare annotation was computed. [2019-11-07 01:00:52,811 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 364 375) the Hoare annotation is: (let ((.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= 1 ~waterLevel~0)) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse0 .cse3))) [2019-11-07 01:00:52,811 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 364 375) no Hoare annotation was computed. [2019-11-07 01:00:52,811 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 511 517) no Hoare annotation was computed. [2019-11-07 01:00:52,812 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 511 517) the Hoare annotation is: true [2019-11-07 01:00:52,812 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:00:52,812 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-07 01:00:52,812 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 01:00:52,812 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:00:52,812 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 376 387) no Hoare annotation was computed. [2019-11-07 01:00:52,812 INFO L443 ceAbstractionStarter]: For program point L380-1(lines 376 387) no Hoare annotation was computed. [2019-11-07 01:00:52,813 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 376 387) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| 2)) (.cse0 (not (= 1 ~pumpRunning~0))) (.cse8 (not (= ~waterLevel~0 2))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse2 (= 1 ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse1 .cse3 .cse4) (or .cse6 .cse7 .cse5 .cse8 .cse1) (or .cse7 .cse5 .cse1 .cse8 .cse4) (or .cse6 .cse7 .cse0 .cse1 .cse8) (or .cse6 .cse2 .cse0 .cse1 .cse3) (or .cse7 .cse0 .cse1 .cse8 .cse4) (or .cse6 .cse5 .cse2 .cse1 .cse3))) [2019-11-07 01:00:52,813 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 918 925) no Hoare annotation was computed. [2019-11-07 01:00:52,813 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 918 925) the Hoare annotation is: true [2019-11-07 01:00:52,813 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 922) no Hoare annotation was computed. [2019-11-07 01:00:52,813 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 918 925) no Hoare annotation was computed. [2019-11-07 01:00:52,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:00:52 BoogieIcfgContainer [2019-11-07 01:00:52,829 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 01:00:52,831 INFO L168 Benchmark]: Toolchain (without parser) took 12347.16 ms. Allocated memory was 145.8 MB in the beginning and 367.0 MB in the end (delta: 221.2 MB). Free memory was 102.4 MB in the beginning and 145.7 MB in the end (delta: -43.3 MB). Peak memory consumption was 234.2 MB. Max. memory is 7.1 GB. [2019-11-07 01:00:52,832 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 145.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-11-07 01:00:52,833 INFO L168 Benchmark]: CACSL2BoogieTranslator took 705.34 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 102.2 MB in the beginning and 170.8 MB in the end (delta: -68.7 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. [2019-11-07 01:00:52,834 INFO L168 Benchmark]: Boogie Preprocessor took 81.93 ms. Allocated memory is still 203.9 MB. Free memory was 170.8 MB in the beginning and 166.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-11-07 01:00:52,834 INFO L168 Benchmark]: RCFGBuilder took 1222.56 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 166.9 MB in the beginning and 199.1 MB in the end (delta: -32.3 MB). Peak memory consumption was 82.0 MB. Max. memory is 7.1 GB. [2019-11-07 01:00:52,835 INFO L168 Benchmark]: TraceAbstraction took 10332.71 ms. Allocated memory was 236.5 MB in the beginning and 367.0 MB in the end (delta: 130.5 MB). Free memory was 199.1 MB in the beginning and 145.7 MB in the end (delta: 53.4 MB). Peak memory consumption was 240.3 MB. Max. memory is 7.1 GB. [2019-11-07 01:00:52,839 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 145.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 705.34 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 102.2 MB in the beginning and 170.8 MB in the end (delta: -68.7 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 81.93 ms. Allocated memory is still 203.9 MB. Free memory was 170.8 MB in the beginning and 166.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1222.56 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 166.9 MB in the beginning and 199.1 MB in the end (delta: -32.3 MB). Peak memory consumption was 82.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10332.71 ms. Allocated memory was 236.5 MB in the beginning and 367.0 MB in the end (delta: 130.5 MB). Free memory was 199.1 MB in the beginning and 145.7 MB in the end (delta: 53.4 MB). Peak memory consumption was 240.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 922]: 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: 271]: Loop Invariant Derived loop invariant: ((((((!(0 == \old(pumpRunning)) || (((!(waterLevel == 2) && 0 == methaneLevelCritical) && 0 == splverifierCounter) && pumpRunning == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == splverifierCounter && pumpRunning == 1) && 1 == methaneLevelCritical)) || ((0 == methaneLevelCritical && 0 == splverifierCounter) && pumpRunning == 1)) || ((0 == splverifierCounter && pumpRunning == 0) && 1 == methaneLevelCritical) - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 225 locations, 1 error locations. Result: SAFE, OverallTime: 10.2s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.3s, HoareTripleCheckerStatistics: 1650 SDtfs, 722 SDslu, 5912 SDs, 0 SdLazy, 1028 SolverSat, 142 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 297 GetRequests, 218 SyntacticMatches, 1 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=868occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 73 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 1611 PreInvPairs, 1713 NumberOfFragments, 2018 HoareAnnotationTreeSize, 1611 FomulaSimplifications, 1311 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 56 FomulaSimplificationsInter, 7704 FormulaSimplificationTreeSizeReductionInter, 3.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 943 NumberOfCodeBlocks, 943 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1025 ConstructedInterpolants, 0 QuantifiedInterpolants, 149567 SizeOfPredicates, 6 NumberOfNonLiveVariables, 751 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 11/15 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...