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-f4eb214f-m [2019-10-13 21:21:13,150 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:21:13,154 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:21:13,173 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:21:13,173 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:21:13,174 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:21:13,176 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:21:13,177 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:21:13,179 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:21:13,180 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:21:13,181 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:21:13,182 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:21:13,183 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:21:13,184 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:21:13,185 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:21:13,186 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:21:13,187 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:21:13,188 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:21:13,189 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:21:13,191 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:21:13,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:21:13,194 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:21:13,195 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:21:13,196 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:21:13,198 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:21:13,198 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:21:13,199 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:21:13,200 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:21:13,200 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:21:13,201 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:21:13,201 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:21:13,202 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:21:13,203 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:21:13,203 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:21:13,204 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:21:13,205 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:21:13,206 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:21:13,206 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:21:13,206 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:21:13,207 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:21:13,208 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:21:13,211 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 21:21:13,226 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:21:13,226 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:21:13,227 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:21:13,228 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:21:13,228 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:21:13,228 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:21:13,228 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:21:13,228 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:21:13,229 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:21:13,229 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:21:13,229 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:21:13,229 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:21:13,229 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:21:13,230 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:21:13,230 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:21:13,230 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:21:13,230 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:21:13,230 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:21:13,231 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:21:13,231 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:21:13,231 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:21:13,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:21:13,231 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:21:13,232 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:21:13,232 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:21:13,232 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:21:13,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:21:13,232 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:21:13,232 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 21:21:13,562 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:21:13,585 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:21:13,589 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:21:13,590 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:21:13,591 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:21:13,592 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product41.cil.c [2019-10-13 21:21:13,673 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61ab44e0d/4843a5b3eed14905979cf7299735c5c7/FLAG1be6a2ce2 [2019-10-13 21:21:14,244 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:21:14,244 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product41.cil.c [2019-10-13 21:21:14,258 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61ab44e0d/4843a5b3eed14905979cf7299735c5c7/FLAG1be6a2ce2 [2019-10-13 21:21:14,542 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61ab44e0d/4843a5b3eed14905979cf7299735c5c7 [2019-10-13 21:21:14,554 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:21:14,555 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:21:14,556 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:21:14,556 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:21:14,560 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:21:14,561 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:21:14" (1/1) ... [2019-10-13 21:21:14,564 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@de13907 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:14, skipping insertion in model container [2019-10-13 21:21:14,565 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:21:14" (1/1) ... [2019-10-13 21:21:14,573 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:21:14,650 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:21:15,198 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:21:15,212 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:21:15,285 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:21:15,323 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:21:15,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:15 WrapperNode [2019-10-13 21:21:15,323 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:21:15,324 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:21:15,324 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:21:15,325 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:21:15,337 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:15" (1/1) ... [2019-10-13 21:21:15,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:15" (1/1) ... [2019-10-13 21:21:15,357 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:15" (1/1) ... [2019-10-13 21:21:15,358 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:15" (1/1) ... [2019-10-13 21:21:15,386 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:15" (1/1) ... [2019-10-13 21:21:15,404 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:15" (1/1) ... [2019-10-13 21:21:15,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:15" (1/1) ... [2019-10-13 21:21:15,420 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:21:15,421 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:21:15,421 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:21:15,421 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:21:15,422 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:15" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:21:15,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:21:15,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:21:15,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:21:15,482 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:21:15,482 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:21:15,482 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:21:15,482 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:21:15,482 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:21:15,483 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:21:15,483 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:21:15,483 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-10-13 21:21:15,483 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:21:15,483 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:21:15,484 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:21:15,484 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:21:15,484 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:21:15,484 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 21:21:15,485 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:21:15,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-10-13 21:21:15,485 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:21:15,485 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:21:15,485 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:21:15,486 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:21:15,486 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:21:15,486 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:21:15,486 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 21:21:15,486 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:21:15,487 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:21:15,487 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:21:15,487 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:21:15,487 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:21:15,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:21:15,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:21:15,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:21:15,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:21:15,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:21:15,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:21:15,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:21:15,489 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:21:15,489 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:21:15,489 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:21:15,489 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:21:15,489 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:21:15,489 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:21:15,490 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:21:15,490 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:21:15,490 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:21:15,490 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:21:15,490 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 21:21:15,490 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:21:15,491 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:21:15,491 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:21:15,491 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:21:15,491 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:21:15,491 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-10-13 21:21:15,491 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:21:15,491 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:21:15,492 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 21:21:15,492 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-10-13 21:21:15,492 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:21:15,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:21:15,492 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:21:15,492 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:21:15,493 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:21:15,493 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:21:15,493 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:21:15,493 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:21:15,493 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:21:15,493 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:21:15,494 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:21:15,494 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:21:15,494 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:21:15,494 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:21:15,494 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:21:15,494 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:21:15,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:21:15,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:21:15,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:21:15,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:21:15,495 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:21:15,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:21:15,496 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:21:15,496 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:21:15,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:21:15,496 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:21:15,496 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:21:15,496 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:21:15,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:21:15,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:21:15,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:21:16,575 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:21:16,575 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:21:16,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:21:16 BoogieIcfgContainer [2019-10-13 21:21:16,577 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:21:16,579 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:21:16,579 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:21:16,583 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:21:16,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:21:14" (1/3) ... [2019-10-13 21:21:16,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d3777ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:21:16, skipping insertion in model container [2019-10-13 21:21:16,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:15" (2/3) ... [2019-10-13 21:21:16,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d3777ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:21:16, skipping insertion in model container [2019-10-13 21:21:16,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:21:16" (3/3) ... [2019-10-13 21:21:16,586 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product41.cil.c [2019-10-13 21:21:16,597 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:21:16,605 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:21:16,616 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:21:16,646 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:21:16,646 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:21:16,646 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:21:16,646 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:21:16,647 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:21:16,647 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:21:16,647 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:21:16,647 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:21:16,670 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states. [2019-10-13 21:21:16,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 21:21:16,680 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:16,681 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:16,683 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:16,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:16,689 INFO L82 PathProgramCache]: Analyzing trace with hash 177325019, now seen corresponding path program 1 times [2019-10-13 21:21:16,699 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:16,699 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653012683] [2019-10-13 21:21:16,699 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:16,700 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:16,700 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:16,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:17,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:17,052 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653012683] [2019-10-13 21:21:17,053 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:17,054 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:21:17,054 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869684413] [2019-10-13 21:21:17,062 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:21:17,064 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:17,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:21:17,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:21:17,083 INFO L87 Difference]: Start difference. First operand 166 states. Second operand 2 states. [2019-10-13 21:21:17,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:17,146 INFO L93 Difference]: Finished difference Result 246 states and 305 transitions. [2019-10-13 21:21:17,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:21:17,148 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-13 21:21:17,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:17,164 INFO L225 Difference]: With dead ends: 246 [2019-10-13 21:21:17,165 INFO L226 Difference]: Without dead ends: 123 [2019-10-13 21:21:17,169 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:21:17,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2019-10-13 21:21:17,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2019-10-13 21:21:17,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2019-10-13 21:21:17,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 144 transitions. [2019-10-13 21:21:17,220 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 144 transitions. Word has length 52 [2019-10-13 21:21:17,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:17,221 INFO L462 AbstractCegarLoop]: Abstraction has 123 states and 144 transitions. [2019-10-13 21:21:17,221 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:21:17,221 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 144 transitions. [2019-10-13 21:21:17,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-13 21:21:17,225 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:17,225 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:17,225 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:17,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:17,226 INFO L82 PathProgramCache]: Analyzing trace with hash 1842882407, now seen corresponding path program 1 times [2019-10-13 21:21:17,226 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:17,226 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820307362] [2019-10-13 21:21:17,226 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:17,227 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:17,227 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:17,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:17,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:17,419 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820307362] [2019-10-13 21:21:17,419 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:17,420 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:21:17,420 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519244970] [2019-10-13 21:21:17,422 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:21:17,422 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:17,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:21:17,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:21:17,423 INFO L87 Difference]: Start difference. First operand 123 states and 144 transitions. Second operand 3 states. [2019-10-13 21:21:17,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:17,461 INFO L93 Difference]: Finished difference Result 195 states and 227 transitions. [2019-10-13 21:21:17,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:21:17,461 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-13 21:21:17,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:17,464 INFO L225 Difference]: With dead ends: 195 [2019-10-13 21:21:17,464 INFO L226 Difference]: Without dead ends: 114 [2019-10-13 21:21:17,465 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:21:17,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2019-10-13 21:21:17,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2019-10-13 21:21:17,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2019-10-13 21:21:17,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 132 transitions. [2019-10-13 21:21:17,479 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 132 transitions. Word has length 53 [2019-10-13 21:21:17,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:17,479 INFO L462 AbstractCegarLoop]: Abstraction has 114 states and 132 transitions. [2019-10-13 21:21:17,479 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:21:17,479 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 132 transitions. [2019-10-13 21:21:17,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-13 21:21:17,482 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:17,482 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:17,482 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:17,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:17,482 INFO L82 PathProgramCache]: Analyzing trace with hash 774651483, now seen corresponding path program 1 times [2019-10-13 21:21:17,483 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:17,483 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39250842] [2019-10-13 21:21:17,483 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:17,483 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:17,483 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:17,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:17,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:17,725 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39250842] [2019-10-13 21:21:17,725 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:17,726 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:21:17,726 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135070281] [2019-10-13 21:21:17,727 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:21:17,727 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:17,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:21:17,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:21:17,728 INFO L87 Difference]: Start difference. First operand 114 states and 132 transitions. Second operand 7 states. [2019-10-13 21:21:18,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:18,066 INFO L93 Difference]: Finished difference Result 204 states and 241 transitions. [2019-10-13 21:21:18,067 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:21:18,068 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-10-13 21:21:18,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:18,071 INFO L225 Difference]: With dead ends: 204 [2019-10-13 21:21:18,071 INFO L226 Difference]: Without dead ends: 114 [2019-10-13 21:21:18,077 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:21:18,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2019-10-13 21:21:18,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2019-10-13 21:21:18,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2019-10-13 21:21:18,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 131 transitions. [2019-10-13 21:21:18,110 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 131 transitions. Word has length 57 [2019-10-13 21:21:18,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:18,111 INFO L462 AbstractCegarLoop]: Abstraction has 114 states and 131 transitions. [2019-10-13 21:21:18,111 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:21:18,111 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 131 transitions. [2019-10-13 21:21:18,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-13 21:21:18,118 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:18,118 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:18,119 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:18,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:18,119 INFO L82 PathProgramCache]: Analyzing trace with hash -771193848, now seen corresponding path program 1 times [2019-10-13 21:21:18,119 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:18,120 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157772252] [2019-10-13 21:21:18,120 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:18,120 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:18,120 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:18,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:18,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:18,313 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157772252] [2019-10-13 21:21:18,314 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:18,314 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 21:21:18,314 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885005419] [2019-10-13 21:21:18,315 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:21:18,315 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:18,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:21:18,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:21:18,316 INFO L87 Difference]: Start difference. First operand 114 states and 131 transitions. Second operand 5 states. [2019-10-13 21:21:18,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:18,764 INFO L93 Difference]: Finished difference Result 301 states and 361 transitions. [2019-10-13 21:21:18,764 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:21:18,764 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2019-10-13 21:21:18,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:18,771 INFO L225 Difference]: With dead ends: 301 [2019-10-13 21:21:18,771 INFO L226 Difference]: Without dead ends: 211 [2019-10-13 21:21:18,775 INFO L600 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 [2019-10-13 21:21:18,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2019-10-13 21:21:18,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 193. [2019-10-13 21:21:18,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2019-10-13 21:21:18,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 222 transitions. [2019-10-13 21:21:18,823 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 222 transitions. Word has length 65 [2019-10-13 21:21:18,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:18,823 INFO L462 AbstractCegarLoop]: Abstraction has 193 states and 222 transitions. [2019-10-13 21:21:18,823 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:21:18,823 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 222 transitions. [2019-10-13 21:21:18,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-10-13 21:21:18,825 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:18,826 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:18,826 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:18,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:18,826 INFO L82 PathProgramCache]: Analyzing trace with hash -913158347, now seen corresponding path program 1 times [2019-10-13 21:21:18,826 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:18,827 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953334468] [2019-10-13 21:21:18,827 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:18,827 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:18,827 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:18,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:18,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:18,923 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953334468] [2019-10-13 21:21:18,924 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:18,924 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:21:18,924 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606634447] [2019-10-13 21:21:18,925 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:21:18,925 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:18,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:21:18,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:21:18,926 INFO L87 Difference]: Start difference. First operand 193 states and 222 transitions. Second operand 6 states. [2019-10-13 21:21:19,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:19,179 INFO L93 Difference]: Finished difference Result 481 states and 582 transitions. [2019-10-13 21:21:19,179 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:21:19,179 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2019-10-13 21:21:19,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:19,193 INFO L225 Difference]: With dead ends: 481 [2019-10-13 21:21:19,193 INFO L226 Difference]: Without dead ends: 312 [2019-10-13 21:21:19,201 INFO L600 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 [2019-10-13 21:21:19,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2019-10-13 21:21:19,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 308. [2019-10-13 21:21:19,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2019-10-13 21:21:19,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 360 transitions. [2019-10-13 21:21:19,270 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 360 transitions. Word has length 79 [2019-10-13 21:21:19,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:19,271 INFO L462 AbstractCegarLoop]: Abstraction has 308 states and 360 transitions. [2019-10-13 21:21:19,271 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:21:19,271 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 360 transitions. [2019-10-13 21:21:19,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-10-13 21:21:19,280 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:19,280 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:19,280 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:19,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:19,281 INFO L82 PathProgramCache]: Analyzing trace with hash 421166267, now seen corresponding path program 1 times [2019-10-13 21:21:19,281 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:19,281 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965879394] [2019-10-13 21:21:19,282 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:19,282 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:19,282 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:19,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:19,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:19,516 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965879394] [2019-10-13 21:21:19,517 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:19,517 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:21:19,517 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432852021] [2019-10-13 21:21:19,518 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:21:19,518 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:19,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:21:19,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:21:19,519 INFO L87 Difference]: Start difference. First operand 308 states and 360 transitions. Second operand 6 states. [2019-10-13 21:21:19,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:19,754 INFO L93 Difference]: Finished difference Result 641 states and 776 transitions. [2019-10-13 21:21:19,755 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:21:19,755 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2019-10-13 21:21:19,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:19,764 INFO L225 Difference]: With dead ends: 641 [2019-10-13 21:21:19,764 INFO L226 Difference]: Without dead ends: 472 [2019-10-13 21:21:19,765 INFO L600 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 [2019-10-13 21:21:19,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2019-10-13 21:21:19,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 454. [2019-10-13 21:21:19,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 454 states. [2019-10-13 21:21:19,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 541 transitions. [2019-10-13 21:21:19,818 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 541 transitions. Word has length 83 [2019-10-13 21:21:19,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:19,818 INFO L462 AbstractCegarLoop]: Abstraction has 454 states and 541 transitions. [2019-10-13 21:21:19,818 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:21:19,819 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 541 transitions. [2019-10-13 21:21:19,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-10-13 21:21:19,821 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:19,821 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:19,821 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:19,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:19,822 INFO L82 PathProgramCache]: Analyzing trace with hash 750932028, now seen corresponding path program 1 times [2019-10-13 21:21:19,822 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:19,822 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985514468] [2019-10-13 21:21:19,823 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:19,823 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:19,823 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:19,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:19,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:19,892 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985514468] [2019-10-13 21:21:19,892 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:19,893 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 21:21:19,893 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977708755] [2019-10-13 21:21:19,893 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:21:19,894 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:19,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:21:19,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:21:19,895 INFO L87 Difference]: Start difference. First operand 454 states and 541 transitions. Second operand 5 states. [2019-10-13 21:21:19,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:19,935 INFO L93 Difference]: Finished difference Result 779 states and 946 transitions. [2019-10-13 21:21:19,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 21:21:19,935 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 83 [2019-10-13 21:21:19,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:19,939 INFO L225 Difference]: With dead ends: 779 [2019-10-13 21:21:19,939 INFO L226 Difference]: Without dead ends: 464 [2019-10-13 21:21:19,940 INFO L600 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 [2019-10-13 21:21:19,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2019-10-13 21:21:19,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 458. [2019-10-13 21:21:19,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2019-10-13 21:21:19,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 544 transitions. [2019-10-13 21:21:19,976 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 544 transitions. Word has length 83 [2019-10-13 21:21:19,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:19,976 INFO L462 AbstractCegarLoop]: Abstraction has 458 states and 544 transitions. [2019-10-13 21:21:19,976 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:21:19,977 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 544 transitions. [2019-10-13 21:21:19,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-10-13 21:21:19,981 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:19,981 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:19,982 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:19,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:19,986 INFO L82 PathProgramCache]: Analyzing trace with hash 678545470, now seen corresponding path program 1 times [2019-10-13 21:21:19,986 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:19,986 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162845286] [2019-10-13 21:21:19,987 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:19,987 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:19,987 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:20,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:20,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:20,126 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162845286] [2019-10-13 21:21:20,126 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:20,127 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 21:21:20,127 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431687863] [2019-10-13 21:21:20,128 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 21:21:20,128 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:20,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 21:21:20,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:21:20,129 INFO L87 Difference]: Start difference. First operand 458 states and 544 transitions. Second operand 9 states. [2019-10-13 21:21:20,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:20,217 INFO L93 Difference]: Finished difference Result 909 states and 1102 transitions. [2019-10-13 21:21:20,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 21:21:20,217 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 83 [2019-10-13 21:21:20,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:20,221 INFO L225 Difference]: With dead ends: 909 [2019-10-13 21:21:20,222 INFO L226 Difference]: Without dead ends: 475 [2019-10-13 21:21:20,224 INFO L600 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 [2019-10-13 21:21:20,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2019-10-13 21:21:20,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 465. [2019-10-13 21:21:20,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 465 states. [2019-10-13 21:21:20,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 551 transitions. [2019-10-13 21:21:20,257 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 551 transitions. Word has length 83 [2019-10-13 21:21:20,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:20,258 INFO L462 AbstractCegarLoop]: Abstraction has 465 states and 551 transitions. [2019-10-13 21:21:20,258 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 21:21:20,258 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 551 transitions. [2019-10-13 21:21:20,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-10-13 21:21:20,262 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:20,262 INFO L380 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] [2019-10-13 21:21:20,262 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:20,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:20,262 INFO L82 PathProgramCache]: Analyzing trace with hash 1174041569, now seen corresponding path program 1 times [2019-10-13 21:21:20,263 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:20,263 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367479170] [2019-10-13 21:21:20,263 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:20,263 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:20,263 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:20,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:20,366 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:21:20,366 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367479170] [2019-10-13 21:21:20,367 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1423940619] [2019-10-13 21:21:20,367 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:21:20,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:20,560 INFO L256 TraceCheckSpWp]: Trace formula consists of 751 conjuncts, 29 conjunts are in the unsatisfiable core [2019-10-13 21:21:20,571 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:21:20,692 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:20,692 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:21:21,121 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:21:21,122 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:21:21,122 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9, 9] total 19 [2019-10-13 21:21:21,123 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844541570] [2019-10-13 21:21:21,123 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:21:21,123 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:21,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:21:21,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2019-10-13 21:21:21,124 INFO L87 Difference]: Start difference. First operand 465 states and 551 transitions. Second operand 8 states. [2019-10-13 21:21:21,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:21,573 INFO L93 Difference]: Finished difference Result 1312 states and 1589 transitions. [2019-10-13 21:21:21,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:21:21,574 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 95 [2019-10-13 21:21:21,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:21,581 INFO L225 Difference]: With dead ends: 1312 [2019-10-13 21:21:21,581 INFO L226 Difference]: Without dead ends: 871 [2019-10-13 21:21:21,583 INFO L600 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 [2019-10-13 21:21:21,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2019-10-13 21:21:21,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 868. [2019-10-13 21:21:21,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 868 states. [2019-10-13 21:21:21,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1030 transitions. [2019-10-13 21:21:21,636 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1030 transitions. Word has length 95 [2019-10-13 21:21:21,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:21,636 INFO L462 AbstractCegarLoop]: Abstraction has 868 states and 1030 transitions. [2019-10-13 21:21:21,637 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:21:21,637 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1030 transitions. [2019-10-13 21:21:21,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-10-13 21:21:21,640 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:21,640 INFO L380 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] [2019-10-13 21:21:21,847 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:21:21,847 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:21,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:21,848 INFO L82 PathProgramCache]: Analyzing trace with hash 175480453, now seen corresponding path program 1 times [2019-10-13 21:21:21,848 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:21,848 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604601777] [2019-10-13 21:21:21,848 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:21,848 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:21,848 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:21,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:21,974 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:21:21,974 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604601777] [2019-10-13 21:21:21,974 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:21,975 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 21:21:21,975 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675055091] [2019-10-13 21:21:21,975 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 21:21:21,980 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:21,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 21:21:21,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:21:21,981 INFO L87 Difference]: Start difference. First operand 868 states and 1030 transitions. Second operand 10 states. [2019-10-13 21:21:22,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:22,277 INFO L93 Difference]: Finished difference Result 1660 states and 2007 transitions. [2019-10-13 21:21:22,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-13 21:21:22,278 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 99 [2019-10-13 21:21:22,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:22,283 INFO L225 Difference]: With dead ends: 1660 [2019-10-13 21:21:22,284 INFO L226 Difference]: Without dead ends: 816 [2019-10-13 21:21:22,286 INFO L600 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 [2019-10-13 21:21:22,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 816 states. [2019-10-13 21:21:22,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 816 to 802. [2019-10-13 21:21:22,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 802 states. [2019-10-13 21:21:22,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 802 states and 938 transitions. [2019-10-13 21:21:22,333 INFO L78 Accepts]: Start accepts. Automaton has 802 states and 938 transitions. Word has length 99 [2019-10-13 21:21:22,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:22,334 INFO L462 AbstractCegarLoop]: Abstraction has 802 states and 938 transitions. [2019-10-13 21:21:22,334 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 21:21:22,334 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 938 transitions. [2019-10-13 21:21:22,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-10-13 21:21:22,337 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:22,337 INFO L380 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] [2019-10-13 21:21:22,338 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:22,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:22,338 INFO L82 PathProgramCache]: Analyzing trace with hash -1676429373, now seen corresponding path program 1 times [2019-10-13 21:21:22,338 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:22,339 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241942392] [2019-10-13 21:21:22,339 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:22,339 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:22,339 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:22,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:22,496 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:21:22,497 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241942392] [2019-10-13 21:21:22,497 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:22,497 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 21:21:22,498 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978147742] [2019-10-13 21:21:22,498 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 21:21:22,498 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:22,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 21:21:22,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:21:22,499 INFO L87 Difference]: Start difference. First operand 802 states and 938 transitions. Second operand 10 states. [2019-10-13 21:21:22,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:22,789 INFO L93 Difference]: Finished difference Result 1581 states and 1854 transitions. [2019-10-13 21:21:22,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 21:21:22,790 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 99 [2019-10-13 21:21:22,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:22,791 INFO L225 Difference]: With dead ends: 1581 [2019-10-13 21:21:22,791 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:21:22,794 INFO L600 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 [2019-10-13 21:21:22,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:21:22,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:21:22,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:21:22,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:21:22,796 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 99 [2019-10-13 21:21:22,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:22,796 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:21:22,796 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 21:21:22,796 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:21:22,796 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:21:22,801 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:21:23,502 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 23 [2019-10-13 21:21:23,904 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 29 [2019-10-13 21:21:24,198 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 36 [2019-10-13 21:21:24,319 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 22 [2019-10-13 21:21:24,530 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 27 [2019-10-13 21:21:24,765 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2019-10-13 21:21:25,168 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 40 [2019-10-13 21:21:25,298 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 23 [2019-10-13 21:21:25,684 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 33 [2019-10-13 21:21:25,979 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 22 [2019-10-13 21:21:26,248 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 30 [2019-10-13 21:21:26,733 WARN L191 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 37 [2019-10-13 21:21:27,037 INFO L443 ceAbstractionStarter]: For program point L635(lines 635 639) no Hoare annotation was computed. [2019-10-13 21:21:27,037 INFO L443 ceAbstractionStarter]: For program point L635-1(lines 635 639) no Hoare annotation was computed. [2019-10-13 21:21:27,037 INFO L443 ceAbstractionStarter]: For program point L630(line 630) no Hoare annotation was computed. [2019-10-13 21:21:27,037 INFO L443 ceAbstractionStarter]: For program point L629-2(lines 629 650) no Hoare annotation was computed. [2019-10-13 21:21:27,037 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 604 659) no Hoare annotation was computed. [2019-10-13 21:21:27,038 INFO L443 ceAbstractionStarter]: For program point L651(lines 628 652) no Hoare annotation was computed. [2019-10-13 21:21:27,038 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 604 659) no Hoare annotation was computed. [2019-10-13 21:21:27,038 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 604 659) no Hoare annotation was computed. [2019-10-13 21:21:27,038 INFO L443 ceAbstractionStarter]: For program point L705(line 705) no Hoare annotation was computed. [2019-10-13 21:21:27,038 INFO L443 ceAbstractionStarter]: For program point L705-1(line 705) no Hoare annotation was computed. [2019-10-13 21:21:27,038 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 660 719) no Hoare annotation was computed. [2019-10-13 21:21:27,038 INFO L443 ceAbstractionStarter]: For program point L692(lines 692 696) no Hoare annotation was computed. [2019-10-13 21:21:27,038 INFO L443 ceAbstractionStarter]: For program point L692-1(lines 692 696) no Hoare annotation was computed. [2019-10-13 21:21:27,038 INFO L443 ceAbstractionStarter]: For program point L687(line 687) no Hoare annotation was computed. [2019-10-13 21:21:27,038 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 660 719) no Hoare annotation was computed. [2019-10-13 21:21:27,039 INFO L443 ceAbstractionStarter]: For program point L686-2(lines 686 711) no Hoare annotation was computed. [2019-10-13 21:21:27,039 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 660 719) no Hoare annotation was computed. [2019-10-13 21:21:27,039 INFO L443 ceAbstractionStarter]: For program point L712(lines 685 713) no Hoare annotation was computed. [2019-10-13 21:21:27,039 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2019-10-13 21:21:27,039 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2019-10-13 21:21:27,039 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2019-10-13 21:21:27,039 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2019-10-13 21:21:27,039 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2019-10-13 21:21:27,039 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))) [2019-10-13 21:21:27,040 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))) [2019-10-13 21:21:27,040 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))) [2019-10-13 21:21:27,040 INFO L443 ceAbstractionStarter]: For program point L538(lines 538 545) no Hoare annotation was computed. [2019-10-13 21:21:27,040 INFO L443 ceAbstractionStarter]: For program point L538-1(lines 538 545) no Hoare annotation was computed. [2019-10-13 21:21:27,040 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 528 550) no Hoare annotation was computed. [2019-10-13 21:21:27,040 INFO L443 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2019-10-13 21:21:27,041 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))) [2019-10-13 21:21:27,041 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))) [2019-10-13 21:21:27,041 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))) [2019-10-13 21:21:27,041 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 528 550) no Hoare annotation was computed. [2019-10-13 21:21:27,041 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 487 510) no Hoare annotation was computed. [2019-10-13 21:21:27,041 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 487 510) no Hoare annotation was computed. [2019-10-13 21:21:27,041 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 487 510) no Hoare annotation was computed. [2019-10-13 21:21:27,042 INFO L443 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-10-13 21:21:27,042 INFO L443 ceAbstractionStarter]: For program point L504(line 504) no Hoare annotation was computed. [2019-10-13 21:21:27,042 INFO L443 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2019-10-13 21:21:27,042 INFO L443 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2019-10-13 21:21:27,042 INFO L443 ceAbstractionStarter]: For program point L501(line 501) no Hoare annotation was computed. [2019-10-13 21:21:27,042 INFO L443 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2019-10-13 21:21:27,043 INFO L443 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2019-10-13 21:21:27,043 INFO L443 ceAbstractionStarter]: For program point L498(line 498) no Hoare annotation was computed. [2019-10-13 21:21:27,043 INFO L443 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2019-10-13 21:21:27,043 INFO L443 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-10-13 21:21:27,043 INFO L443 ceAbstractionStarter]: For program point L495(line 495) no Hoare annotation was computed. [2019-10-13 21:21:27,043 INFO L443 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2019-10-13 21:21:27,043 INFO L443 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-10-13 21:21:27,043 INFO L443 ceAbstractionStarter]: For program point L492(line 492) no Hoare annotation was computed. [2019-10-13 21:21:27,044 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 193 201) no Hoare annotation was computed. [2019-10-13 21:21:27,044 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 193 201) the Hoare annotation is: true [2019-10-13 21:21:27,044 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 193 201) no Hoare annotation was computed. [2019-10-13 21:21:27,044 INFO L443 ceAbstractionStarter]: For program point L221(lines 221 229) no Hoare annotation was computed. [2019-10-13 21:21:27,044 INFO L443 ceAbstractionStarter]: For program point L221-2(lines 221 229) no Hoare annotation was computed. [2019-10-13 21:21:27,044 INFO L443 ceAbstractionStarter]: For program point L209(lines 209 217) no Hoare annotation was computed. [2019-10-13 21:21:27,044 INFO L443 ceAbstractionStarter]: For program point L209-2(lines 209 217) no Hoare annotation was computed. [2019-10-13 21:21:27,044 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 202 237) no Hoare annotation was computed. [2019-10-13 21:21:27,044 INFO L443 ceAbstractionStarter]: For program point L232(line 232) no Hoare annotation was computed. [2019-10-13 21:21:27,045 INFO L443 ceAbstractionStarter]: For program point L232-1(line 232) no Hoare annotation was computed. [2019-10-13 21:21:27,045 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 202 237) no Hoare annotation was computed. [2019-10-13 21:21:27,045 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 202 237) no Hoare annotation was computed. [2019-10-13 21:21:27,045 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2019-10-13 21:21:27,045 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2019-10-13 21:21:27,045 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 558 603) no Hoare annotation was computed. [2019-10-13 21:21:27,045 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 558 603) no Hoare annotation was computed. [2019-10-13 21:21:27,045 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 558 603) no Hoare annotation was computed. [2019-10-13 21:21:27,046 INFO L443 ceAbstractionStarter]: For program point L891(lines 891 898) no Hoare annotation was computed. [2019-10-13 21:21:27,046 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 871 916) no Hoare annotation was computed. [2019-10-13 21:21:27,046 INFO L443 ceAbstractionStarter]: For program point L885(lines 885 905) no Hoare annotation was computed. [2019-10-13 21:21:27,046 INFO L443 ceAbstractionStarter]: For program point L885-1(lines 885 905) no Hoare annotation was computed. [2019-10-13 21:21:27,046 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 871 916) no Hoare annotation was computed. [2019-10-13 21:21:27,046 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 871 916) no Hoare annotation was computed. [2019-10-13 21:21:27,046 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))) [2019-10-13 21:21:27,047 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 518 527) no Hoare annotation was computed. [2019-10-13 21:21:27,047 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 518 527) no Hoare annotation was computed. [2019-10-13 21:21:27,047 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 182 192) the Hoare annotation is: true [2019-10-13 21:21:27,047 INFO L446 ceAbstractionStarter]: At program point L187(line 187) the Hoare annotation is: true [2019-10-13 21:21:27,047 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 182 192) no Hoare annotation was computed. [2019-10-13 21:21:27,047 INFO L443 ceAbstractionStarter]: For program point L187-1(line 187) no Hoare annotation was computed. [2019-10-13 21:21:27,047 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 182 192) no Hoare annotation was computed. [2019-10-13 21:21:27,048 INFO L443 ceAbstractionStarter]: For program point deactivatePumpENTRY(lines 174 181) no Hoare annotation was computed. [2019-10-13 21:21:27,048 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 174 181) no Hoare annotation was computed. [2019-10-13 21:21:27,048 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 174 181) no Hoare annotation was computed. [2019-10-13 21:21:27,048 INFO L443 ceAbstractionStarter]: For program point L445(lines 445 451) no Hoare annotation was computed. [2019-10-13 21:21:27,048 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 441 454) no Hoare annotation was computed. [2019-10-13 21:21:27,048 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 441 454) the Hoare annotation is: true [2019-10-13 21:21:27,048 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 441 454) no Hoare annotation was computed. [2019-10-13 21:21:27,049 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))) [2019-10-13 21:21:27,049 INFO L443 ceAbstractionStarter]: For program point L129-1(line 129) no Hoare annotation was computed. [2019-10-13 21:21:27,049 INFO L443 ceAbstractionStarter]: For program point L127(lines 127 144) no Hoare annotation was computed. [2019-10-13 21:21:27,049 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 123 147) no Hoare annotation was computed. [2019-10-13 21:21:27,049 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))) [2019-10-13 21:21:27,049 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))) [2019-10-13 21:21:27,049 INFO L443 ceAbstractionStarter]: For program point L142-1(lines 123 147) no Hoare annotation was computed. [2019-10-13 21:21:27,050 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))) [2019-10-13 21:21:27,050 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)))) [2019-10-13 21:21:27,050 INFO L443 ceAbstractionStarter]: For program point L131(lines 131 139) no Hoare annotation was computed. [2019-10-13 21:21:27,050 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 115 121) no Hoare annotation was computed. [2019-10-13 21:21:27,050 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 115 121) the Hoare annotation is: true [2019-10-13 21:21:27,051 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))) [2019-10-13 21:21:27,051 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))) [2019-10-13 21:21:27,051 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))) [2019-10-13 21:21:27,051 INFO L443 ceAbstractionStarter]: For program point L281(lines 281 287) no Hoare annotation was computed. [2019-10-13 21:21:27,051 INFO L443 ceAbstractionStarter]: For program point L281-1(lines 281 287) no Hoare annotation was computed. [2019-10-13 21:21:27,051 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 261 324) no Hoare annotation was computed. [2019-10-13 21:21:27,051 INFO L443 ceAbstractionStarter]: For program point L273(lines 273 277) no Hoare annotation was computed. [2019-10-13 21:21:27,052 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))) [2019-10-13 21:21:27,052 INFO L443 ceAbstractionStarter]: For program point L307(lines 307 311) no Hoare annotation was computed. [2019-10-13 21:21:27,052 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))) [2019-10-13 21:21:27,052 INFO L443 ceAbstractionStarter]: For program point L272(lines 271 316) no Hoare annotation was computed. [2019-10-13 21:21:27,052 INFO L443 ceAbstractionStarter]: For program point L301(lines 301 312) no Hoare annotation was computed. [2019-10-13 21:21:27,052 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))) [2019-10-13 21:21:27,052 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 297) no Hoare annotation was computed. [2019-10-13 21:21:27,053 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 261 324) no Hoare annotation was computed. [2019-10-13 21:21:27,053 INFO L443 ceAbstractionStarter]: For program point L291-1(lines 291 297) no Hoare annotation was computed. [2019-10-13 21:21:27,053 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 825 870) no Hoare annotation was computed. [2019-10-13 21:21:27,053 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 825 870) no Hoare annotation was computed. [2019-10-13 21:21:27,053 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 825 870) no Hoare annotation was computed. [2019-10-13 21:21:27,053 INFO L443 ceAbstractionStarter]: For program point L845(lines 845 852) no Hoare annotation was computed. [2019-10-13 21:21:27,053 INFO L443 ceAbstractionStarter]: For program point L839(lines 839 859) no Hoare annotation was computed. [2019-10-13 21:21:27,053 INFO L443 ceAbstractionStarter]: For program point L839-1(lines 839 859) no Hoare annotation was computed. [2019-10-13 21:21:27,054 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))) [2019-10-13 21:21:27,054 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 148 155) no Hoare annotation was computed. [2019-10-13 21:21:27,054 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 148 155) no Hoare annotation was computed. [2019-10-13 21:21:27,054 INFO L443 ceAbstractionStarter]: For program point L417(lines 417 425) no Hoare annotation was computed. [2019-10-13 21:21:27,054 INFO L443 ceAbstractionStarter]: For program point L417-2(lines 417 425) no Hoare annotation was computed. [2019-10-13 21:21:27,054 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 409 431) no Hoare annotation was computed. [2019-10-13 21:21:27,054 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 409 431) no Hoare annotation was computed. [2019-10-13 21:21:27,054 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 409 431) no Hoare annotation was computed. [2019-10-13 21:21:27,055 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2019-10-13 21:21:27,055 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2019-10-13 21:21:27,055 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2019-10-13 21:21:27,055 INFO L443 ceAbstractionStarter]: For program point L768(lines 768 809) no Hoare annotation was computed. [2019-10-13 21:21:27,055 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 722 824) no Hoare annotation was computed. [2019-10-13 21:21:27,055 INFO L443 ceAbstractionStarter]: For program point L787(line 787) no Hoare annotation was computed. [2019-10-13 21:21:27,055 INFO L443 ceAbstractionStarter]: For program point L787-1(line 787) no Hoare annotation was computed. [2019-10-13 21:21:27,055 INFO L443 ceAbstractionStarter]: For program point L746(lines 746 750) no Hoare annotation was computed. [2019-10-13 21:21:27,056 INFO L443 ceAbstractionStarter]: For program point L810(lines 810 821) no Hoare annotation was computed. [2019-10-13 21:21:27,056 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 722 824) no Hoare annotation was computed. [2019-10-13 21:21:27,056 INFO L443 ceAbstractionStarter]: For program point L773(lines 773 777) no Hoare annotation was computed. [2019-10-13 21:21:27,056 INFO L443 ceAbstractionStarter]: For program point L771-2(lines 771 791) no Hoare annotation was computed. [2019-10-13 21:21:27,056 INFO L443 ceAbstractionStarter]: For program point L792(lines 770 793) no Hoare annotation was computed. [2019-10-13 21:21:27,056 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 722 824) no Hoare annotation was computed. [2019-10-13 21:21:27,056 INFO L443 ceAbstractionStarter]: For program point L751(lines 751 767) no Hoare annotation was computed. [2019-10-13 21:21:27,056 INFO L443 ceAbstractionStarter]: For program point L811(lines 811 818) no Hoare annotation was computed. [2019-10-13 21:21:27,056 INFO L443 ceAbstractionStarter]: For program point L772(lines 771 791) no Hoare annotation was computed. [2019-10-13 21:21:27,057 INFO L443 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2019-10-13 21:21:27,057 INFO L443 ceAbstractionStarter]: For program point L803-1(line 803) no Hoare annotation was computed. [2019-10-13 21:21:27,057 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:27,057 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-13 21:21:27,057 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:27,057 INFO L443 ceAbstractionStarter]: For program point L162-1(line 162) no Hoare annotation was computed. [2019-10-13 21:21:27,057 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 157 173) no Hoare annotation was computed. [2019-10-13 21:21:27,057 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))) [2019-10-13 21:21:27,058 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))) [2019-10-13 21:21:27,058 INFO L443 ceAbstractionStarter]: For program point L168-1(lines 157 173) no Hoare annotation was computed. [2019-10-13 21:21:27,058 INFO L443 ceAbstractionStarter]: For program point L164(lines 164 170) no Hoare annotation was computed. [2019-10-13 21:21:27,058 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))) [2019-10-13 21:21:27,058 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 238 256) no Hoare annotation was computed. [2019-10-13 21:21:27,058 INFO L443 ceAbstractionStarter]: For program point L247(lines 247 251) no Hoare annotation was computed. [2019-10-13 21:21:27,058 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 238 256) the Hoare annotation is: true [2019-10-13 21:21:27,059 INFO L446 ceAbstractionStarter]: At program point L245(line 245) the Hoare annotation is: true [2019-10-13 21:21:27,059 INFO L443 ceAbstractionStarter]: For program point L247-2(lines 247 251) no Hoare annotation was computed. [2019-10-13 21:21:27,059 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 238 256) no Hoare annotation was computed. [2019-10-13 21:21:27,059 INFO L443 ceAbstractionStarter]: For program point L245-1(line 245) no Hoare annotation was computed. [2019-10-13 21:21:27,059 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 432 440) the Hoare annotation is: true [2019-10-13 21:21:27,059 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 432 440) no Hoare annotation was computed. [2019-10-13 21:21:27,059 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 432 440) no Hoare annotation was computed. [2019-10-13 21:21:27,060 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))) [2019-10-13 21:21:27,060 INFO L443 ceAbstractionStarter]: For program point L392-1(lines 388 399) no Hoare annotation was computed. [2019-10-13 21:21:27,060 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 388 399) no Hoare annotation was computed. [2019-10-13 21:21:27,060 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:27,060 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:21:27,060 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:27,060 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 400 408) the Hoare annotation is: true [2019-10-13 21:21:27,060 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 400 408) no Hoare annotation was computed. [2019-10-13 21:21:27,060 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 400 408) no Hoare annotation was computed. [2019-10-13 21:21:27,061 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))) [2019-10-13 21:21:27,061 INFO L443 ceAbstractionStarter]: For program point L95(lines 94 113) no Hoare annotation was computed. [2019-10-13 21:21:27,061 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))) [2019-10-13 21:21:27,061 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 91 114) no Hoare annotation was computed. [2019-10-13 21:21:27,062 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))) [2019-10-13 21:21:27,062 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 91 114) no Hoare annotation was computed. [2019-10-13 21:21:27,062 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))) [2019-10-13 21:21:27,062 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 457 486) no Hoare annotation was computed. [2019-10-13 21:21:27,062 INFO L443 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-10-13 21:21:27,062 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 457 486) the Hoare annotation is: true [2019-10-13 21:21:27,062 INFO L443 ceAbstractionStarter]: For program point L471(lines 471 475) no Hoare annotation was computed. [2019-10-13 21:21:27,063 INFO L446 ceAbstractionStarter]: At program point L471-1(lines 471 475) the Hoare annotation is: true [2019-10-13 21:21:27,063 INFO L443 ceAbstractionStarter]: For program point L468(line 468) no Hoare annotation was computed. [2019-10-13 21:21:27,063 INFO L446 ceAbstractionStarter]: At program point L467-2(lines 467 481) the Hoare annotation is: true [2019-10-13 21:21:27,063 INFO L446 ceAbstractionStarter]: At program point L463(line 463) the Hoare annotation is: true [2019-10-13 21:21:27,063 INFO L443 ceAbstractionStarter]: For program point L463-1(line 463) no Hoare annotation was computed. [2019-10-13 21:21:27,063 INFO L446 ceAbstractionStarter]: At program point L482(lines 457 486) the Hoare annotation is: true [2019-10-13 21:21:27,063 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))) [2019-10-13 21:21:27,064 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 328 360) no Hoare annotation was computed. [2019-10-13 21:21:27,064 INFO L443 ceAbstractionStarter]: For program point L347(lines 347 353) no Hoare annotation was computed. [2019-10-13 21:21:27,064 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 328 360) the Hoare annotation is: true [2019-10-13 21:21:27,064 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))) [2019-10-13 21:21:27,064 INFO L443 ceAbstractionStarter]: For program point L345-1(line 345) no Hoare annotation was computed. [2019-10-13 21:21:27,064 INFO L443 ceAbstractionStarter]: For program point L343(lines 343 356) no Hoare annotation was computed. [2019-10-13 21:21:27,064 INFO L443 ceAbstractionStarter]: For program point L343-1(lines 328 360) no Hoare annotation was computed. [2019-10-13 21:21:27,065 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))) [2019-10-13 21:21:27,065 INFO L443 ceAbstractionStarter]: For program point L341-1(line 341) no Hoare annotation was computed. [2019-10-13 21:21:27,065 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 357) no Hoare annotation was computed. [2019-10-13 21:21:27,065 INFO L446 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: true [2019-10-13 21:21:27,065 INFO L443 ceAbstractionStarter]: For program point L335-1(line 335) no Hoare annotation was computed. [2019-10-13 21:21:27,065 INFO L443 ceAbstractionStarter]: For program point L368-1(lines 364 375) no Hoare annotation was computed. [2019-10-13 21:21:27,065 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))) [2019-10-13 21:21:27,066 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 364 375) no Hoare annotation was computed. [2019-10-13 21:21:27,066 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 511 517) no Hoare annotation was computed. [2019-10-13 21:21:27,066 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 511 517) the Hoare annotation is: true [2019-10-13 21:21:27,066 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:27,066 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)) [2019-10-13 21:21:27,066 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:21:27,066 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:27,066 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 376 387) no Hoare annotation was computed. [2019-10-13 21:21:27,067 INFO L443 ceAbstractionStarter]: For program point L380-1(lines 376 387) no Hoare annotation was computed. [2019-10-13 21:21:27,067 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))) [2019-10-13 21:21:27,067 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 918 925) no Hoare annotation was computed. [2019-10-13 21:21:27,067 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 918 925) the Hoare annotation is: true [2019-10-13 21:21:27,067 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 918 925) no Hoare annotation was computed. [2019-10-13 21:21:27,067 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 922) no Hoare annotation was computed. [2019-10-13 21:21:27,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:21:27 BoogieIcfgContainer [2019-10-13 21:21:27,083 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:21:27,086 INFO L168 Benchmark]: Toolchain (without parser) took 12530.10 ms. Allocated memory was 144.7 MB in the beginning and 379.1 MB in the end (delta: 234.4 MB). Free memory was 100.4 MB in the beginning and 249.2 MB in the end (delta: -148.8 MB). Peak memory consumption was 251.4 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:27,086 INFO L168 Benchmark]: CDTParser took 1.41 ms. Allocated memory is still 144.7 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-13 21:21:27,087 INFO L168 Benchmark]: CACSL2BoogieTranslator took 768.03 ms. Allocated memory was 144.7 MB in the beginning and 201.9 MB in the end (delta: 57.1 MB). Free memory was 100.2 MB in the beginning and 169.1 MB in the end (delta: -68.9 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:27,088 INFO L168 Benchmark]: Boogie Preprocessor took 96.01 ms. Allocated memory is still 201.9 MB. Free memory was 169.1 MB in the beginning and 164.5 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:27,089 INFO L168 Benchmark]: RCFGBuilder took 1157.64 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 164.5 MB in the beginning and 197.9 MB in the end (delta: -33.4 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:27,090 INFO L168 Benchmark]: TraceAbstraction took 10504.29 ms. Allocated memory was 233.8 MB in the beginning and 379.1 MB in the end (delta: 145.2 MB). Free memory was 197.9 MB in the beginning and 249.2 MB in the end (delta: -51.4 MB). Peak memory consumption was 259.7 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:27,093 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.41 ms. Allocated memory is still 144.7 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 768.03 ms. Allocated memory was 144.7 MB in the beginning and 201.9 MB in the end (delta: 57.1 MB). Free memory was 100.2 MB in the beginning and 169.1 MB in the end (delta: -68.9 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 96.01 ms. Allocated memory is still 201.9 MB. Free memory was 169.1 MB in the beginning and 164.5 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1157.64 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 164.5 MB in the beginning and 197.9 MB in the end (delta: -33.4 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10504.29 ms. Allocated memory was 233.8 MB in the beginning and 379.1 MB in the end (delta: 145.2 MB). Free memory was 197.9 MB in the beginning and 249.2 MB in the end (delta: -51.4 MB). Peak memory consumption was 259.7 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: 10.4s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.2s, HoareTripleCheckerStatistics: 1651 SDtfs, 722 SDslu, 5914 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: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 73 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 1611 PreInvPairs, 1713 NumberOfFragments, 2018 HoareAnnotationTreeSize, 1611 FomulaSimplifications, 1311 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 56 FomulaSimplificationsInter, 7704 FormulaSimplificationTreeSizeReductionInter, 3.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.7s 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...