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_spec2_product61.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:20:10,141 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:20:10,144 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:20:10,156 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:20:10,156 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:20:10,157 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:20:10,159 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:20:10,161 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:20:10,163 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:20:10,164 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:20:10,165 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:20:10,166 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:20:10,166 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:20:10,167 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:20:10,168 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:20:10,169 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:20:10,170 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:20:10,171 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:20:10,173 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:20:10,175 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:20:10,176 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:20:10,178 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:20:10,179 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:20:10,179 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:20:10,182 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:20:10,182 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:20:10,182 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:20:10,183 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:20:10,183 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:20:10,184 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:20:10,185 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:20:10,185 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:20:10,186 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:20:10,187 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:20:10,188 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:20:10,188 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:20:10,189 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:20:10,189 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:20:10,189 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:20:10,190 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:20:10,191 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:20:10,192 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 01:20:10,216 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:20:10,217 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:20:10,219 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:20:10,219 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:20:10,219 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:20:10,220 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:20:10,220 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:20:10,220 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:20:10,220 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:20:10,220 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:20:10,221 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:20:10,221 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:20:10,222 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:20:10,222 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:20:10,222 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:20:10,222 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:20:10,223 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:20:10,223 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:20:10,223 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:20:10,223 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:20:10,224 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:20:10,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:20:10,224 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:20:10,224 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:20:10,224 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:20:10,225 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:20:10,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:20:10,225 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:20:10,225 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 01:20:10,526 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:20:10,544 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:20:10,548 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:20:10,550 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:20:10,550 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:20:10,551 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product61.cil.c [2019-10-15 01:20:10,611 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0e430234/8226e75edc3a4821aef24f181e1eb322/FLAG03b924b55 [2019-10-15 01:20:11,157 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:20:11,157 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product61.cil.c [2019-10-15 01:20:11,170 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0e430234/8226e75edc3a4821aef24f181e1eb322/FLAG03b924b55 [2019-10-15 01:20:11,455 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0e430234/8226e75edc3a4821aef24f181e1eb322 [2019-10-15 01:20:11,467 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:20:11,469 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:20:11,472 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:20:11,472 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:20:11,476 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:20:11,478 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:20:11" (1/1) ... [2019-10-15 01:20:11,481 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@404140b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:11, skipping insertion in model container [2019-10-15 01:20:11,481 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:20:11" (1/1) ... [2019-10-15 01:20:11,490 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:20:11,555 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:20:12,060 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:20:12,075 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:20:12,200 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:20:12,241 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:20:12,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:12 WrapperNode [2019-10-15 01:20:12,242 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:20:12,243 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:20:12,243 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:20:12,243 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:20:12,258 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:12" (1/1) ... [2019-10-15 01:20:12,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:12" (1/1) ... [2019-10-15 01:20:12,278 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:12" (1/1) ... [2019-10-15 01:20:12,279 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:12" (1/1) ... [2019-10-15 01:20:12,308 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:12" (1/1) ... [2019-10-15 01:20:12,327 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:12" (1/1) ... [2019-10-15 01:20:12,336 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:12" (1/1) ... [2019-10-15 01:20:12,357 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:20:12,358 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:20:12,358 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:20:12,358 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:20:12,361 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:20:12,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:20:12,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:20:12,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:20:12,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-15 01:20:12,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-15 01:20:12,444 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 01:20:12,444 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 01:20:12,444 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:20:12,445 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 01:20:12,445 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:20:12,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:20:12,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:20:12,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:20:12,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:20:12,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:20:12,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:20:12,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:20:12,451 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:20:12,451 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:20:12,451 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:20:12,451 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:20:12,452 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:20:12,452 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 01:20:12,452 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 01:20:12,452 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 01:20:12,452 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 01:20:12,453 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 01:20:12,453 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 01:20:12,453 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 01:20:12,453 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-15 01:20:12,453 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 01:20:12,454 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 01:20:12,454 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:20:12,454 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 01:20:12,454 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 01:20:12,455 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 01:20:12,455 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 01:20:12,455 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 01:20:12,455 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 01:20:12,456 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 01:20:12,456 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 01:20:12,456 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 01:20:12,456 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-15 01:20:12,456 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:20:12,456 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:20:12,457 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:20:12,457 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:20:12,457 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 01:20:12,457 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 01:20:12,457 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-15 01:20:12,457 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-15 01:20:12,458 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 01:20:12,458 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 01:20:12,458 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 01:20:12,458 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 01:20:12,458 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 01:20:12,458 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 01:20:12,459 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:20:12,459 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:20:12,459 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 01:20:12,459 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:20:12,459 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:20:12,459 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:20:12,460 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:20:12,460 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:20:12,460 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:20:12,460 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:20:12,461 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:20:12,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:20:12,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:20:12,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:20:12,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:20:12,461 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:20:12,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:20:12,463 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:20:12,463 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:20:12,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:20:12,463 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:20:12,463 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:20:12,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:20:12,464 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:20:12,464 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:20:12,464 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 01:20:12,465 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 01:20:12,465 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 01:20:12,466 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 01:20:12,466 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-15 01:20:12,467 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 01:20:12,467 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 01:20:12,468 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 01:20:12,468 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 01:20:12,468 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 01:20:12,468 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:20:12,468 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-15 01:20:12,469 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 01:20:12,469 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 01:20:12,469 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 01:20:12,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:20:12,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:20:12,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:20:13,820 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:20:13,820 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 01:20:13,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:20:13 BoogieIcfgContainer [2019-10-15 01:20:13,822 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:20:13,823 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:20:13,824 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:20:13,827 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:20:13,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:20:11" (1/3) ... [2019-10-15 01:20:13,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@134af7f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:20:13, skipping insertion in model container [2019-10-15 01:20:13,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:12" (2/3) ... [2019-10-15 01:20:13,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@134af7f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:20:13, skipping insertion in model container [2019-10-15 01:20:13,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:20:13" (3/3) ... [2019-10-15 01:20:13,832 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product61.cil.c [2019-10-15 01:20:13,843 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:20:13,854 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:20:13,864 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:20:13,892 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:20:13,893 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:20:13,893 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:20:13,893 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:20:13,893 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:20:13,894 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:20:13,894 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:20:13,894 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:20:13,920 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2019-10-15 01:20:13,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-15 01:20:13,934 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:13,935 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:13,937 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:13,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:13,942 INFO L82 PathProgramCache]: Analyzing trace with hash 1299073538, now seen corresponding path program 1 times [2019-10-15 01:20:13,953 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:13,953 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343395222] [2019-10-15 01:20:13,954 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:13,954 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:13,954 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:14,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:14,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:14,301 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343395222] [2019-10-15 01:20:14,302 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:14,303 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:20:14,304 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795050769] [2019-10-15 01:20:14,309 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:20:14,311 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:14,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:20:14,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:20:14,329 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 2 states. [2019-10-15 01:20:14,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:14,380 INFO L93 Difference]: Finished difference Result 306 states and 383 transitions. [2019-10-15 01:20:14,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:20:14,382 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2019-10-15 01:20:14,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:14,397 INFO L225 Difference]: With dead ends: 306 [2019-10-15 01:20:14,397 INFO L226 Difference]: Without dead ends: 155 [2019-10-15 01:20:14,403 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:20:14,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2019-10-15 01:20:14,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2019-10-15 01:20:14,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2019-10-15 01:20:14,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 185 transitions. [2019-10-15 01:20:14,472 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 185 transitions. Word has length 51 [2019-10-15 01:20:14,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:14,473 INFO L462 AbstractCegarLoop]: Abstraction has 155 states and 185 transitions. [2019-10-15 01:20:14,473 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:20:14,474 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 185 transitions. [2019-10-15 01:20:14,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-15 01:20:14,484 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:14,484 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] [2019-10-15 01:20:14,485 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:14,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:14,485 INFO L82 PathProgramCache]: Analyzing trace with hash -155172335, now seen corresponding path program 1 times [2019-10-15 01:20:14,486 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:14,486 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915895390] [2019-10-15 01:20:14,486 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:14,486 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:14,486 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:14,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:14,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:14,643 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915895390] [2019-10-15 01:20:14,643 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:14,643 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:20:14,644 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270638302] [2019-10-15 01:20:14,645 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:20:14,646 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:14,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:20:14,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:20:14,647 INFO L87 Difference]: Start difference. First operand 155 states and 185 transitions. Second operand 3 states. [2019-10-15 01:20:14,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:14,677 INFO L93 Difference]: Finished difference Result 255 states and 305 transitions. [2019-10-15 01:20:14,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:20:14,677 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-10-15 01:20:14,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:14,681 INFO L225 Difference]: With dead ends: 255 [2019-10-15 01:20:14,681 INFO L226 Difference]: Without dead ends: 146 [2019-10-15 01:20:14,684 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:20:14,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-10-15 01:20:14,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2019-10-15 01:20:14,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-10-15 01:20:14,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 173 transitions. [2019-10-15 01:20:14,702 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 173 transitions. Word has length 52 [2019-10-15 01:20:14,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:14,702 INFO L462 AbstractCegarLoop]: Abstraction has 146 states and 173 transitions. [2019-10-15 01:20:14,702 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:20:14,703 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 173 transitions. [2019-10-15 01:20:14,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-15 01:20:14,705 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:14,705 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] [2019-10-15 01:20:14,706 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:14,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:14,706 INFO L82 PathProgramCache]: Analyzing trace with hash -1504957008, now seen corresponding path program 1 times [2019-10-15 01:20:14,706 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:14,707 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91089076] [2019-10-15 01:20:14,707 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:14,707 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:14,707 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:14,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:14,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:14,888 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91089076] [2019-10-15 01:20:14,888 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:14,888 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:20:14,889 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335327667] [2019-10-15 01:20:14,891 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:20:14,891 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:14,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:20:14,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:20:14,892 INFO L87 Difference]: Start difference. First operand 146 states and 173 transitions. Second operand 7 states. [2019-10-15 01:20:15,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:15,329 INFO L93 Difference]: Finished difference Result 264 states and 319 transitions. [2019-10-15 01:20:15,330 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:20:15,330 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-10-15 01:20:15,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:15,337 INFO L225 Difference]: With dead ends: 264 [2019-10-15 01:20:15,337 INFO L226 Difference]: Without dead ends: 146 [2019-10-15 01:20:15,339 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:20:15,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-10-15 01:20:15,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2019-10-15 01:20:15,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-10-15 01:20:15,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 172 transitions. [2019-10-15 01:20:15,402 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 172 transitions. Word has length 56 [2019-10-15 01:20:15,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:15,403 INFO L462 AbstractCegarLoop]: Abstraction has 146 states and 172 transitions. [2019-10-15 01:20:15,403 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:20:15,404 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 172 transitions. [2019-10-15 01:20:15,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-10-15 01:20:15,415 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:15,416 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] [2019-10-15 01:20:15,416 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:15,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:15,416 INFO L82 PathProgramCache]: Analyzing trace with hash -775636071, now seen corresponding path program 1 times [2019-10-15 01:20:15,417 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:15,417 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585559985] [2019-10-15 01:20:15,417 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:15,417 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:15,418 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:15,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:15,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:15,594 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585559985] [2019-10-15 01:20:15,594 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:15,595 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 01:20:15,595 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078271591] [2019-10-15 01:20:15,595 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 01:20:15,596 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:15,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 01:20:15,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 01:20:15,596 INFO L87 Difference]: Start difference. First operand 146 states and 172 transitions. Second operand 5 states. [2019-10-15 01:20:16,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:16,199 INFO L93 Difference]: Finished difference Result 375 states and 458 transitions. [2019-10-15 01:20:16,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:20:16,203 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 74 [2019-10-15 01:20:16,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:16,206 INFO L225 Difference]: With dead ends: 375 [2019-10-15 01:20:16,209 INFO L226 Difference]: Without dead ends: 257 [2019-10-15 01:20:16,210 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:20:16,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2019-10-15 01:20:16,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 239. [2019-10-15 01:20:16,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2019-10-15 01:20:16,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 274 transitions. [2019-10-15 01:20:16,250 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 274 transitions. Word has length 74 [2019-10-15 01:20:16,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:16,253 INFO L462 AbstractCegarLoop]: Abstraction has 239 states and 274 transitions. [2019-10-15 01:20:16,253 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 01:20:16,253 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 274 transitions. [2019-10-15 01:20:16,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-15 01:20:16,256 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:16,257 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, 1, 1, 1, 1, 1] [2019-10-15 01:20:16,257 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:16,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:16,259 INFO L82 PathProgramCache]: Analyzing trace with hash 2094752105, now seen corresponding path program 1 times [2019-10-15 01:20:16,259 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:16,259 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414358512] [2019-10-15 01:20:16,259 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:16,260 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:16,260 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:16,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:16,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:16,379 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414358512] [2019-10-15 01:20:16,380 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:16,380 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:20:16,380 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388719510] [2019-10-15 01:20:16,381 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:20:16,381 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:16,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:20:16,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:20:16,382 INFO L87 Difference]: Start difference. First operand 239 states and 274 transitions. Second operand 6 states. [2019-10-15 01:20:16,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:16,665 INFO L93 Difference]: Finished difference Result 643 states and 758 transitions. [2019-10-15 01:20:16,665 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:20:16,665 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2019-10-15 01:20:16,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:16,675 INFO L225 Difference]: With dead ends: 643 [2019-10-15 01:20:16,676 INFO L226 Difference]: Without dead ends: 432 [2019-10-15 01:20:16,677 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:20:16,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2019-10-15 01:20:16,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 426. [2019-10-15 01:20:16,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2019-10-15 01:20:16,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 488 transitions. [2019-10-15 01:20:16,718 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 488 transitions. Word has length 88 [2019-10-15 01:20:16,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:16,719 INFO L462 AbstractCegarLoop]: Abstraction has 426 states and 488 transitions. [2019-10-15 01:20:16,719 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:20:16,719 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 488 transitions. [2019-10-15 01:20:16,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-10-15 01:20:16,721 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:16,721 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:16,722 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:16,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:16,722 INFO L82 PathProgramCache]: Analyzing trace with hash 1169136517, now seen corresponding path program 1 times [2019-10-15 01:20:16,723 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:16,723 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491820486] [2019-10-15 01:20:16,723 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:16,723 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:16,723 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:16,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:16,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:16,820 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491820486] [2019-10-15 01:20:16,821 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:16,821 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:20:16,821 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091003134] [2019-10-15 01:20:16,822 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:20:16,822 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:16,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:20:16,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:20:16,823 INFO L87 Difference]: Start difference. First operand 426 states and 488 transitions. Second operand 7 states. [2019-10-15 01:20:17,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:17,540 INFO L93 Difference]: Finished difference Result 853 states and 1000 transitions. [2019-10-15 01:20:17,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 01:20:17,540 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92 [2019-10-15 01:20:17,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:17,547 INFO L225 Difference]: With dead ends: 853 [2019-10-15 01:20:17,547 INFO L226 Difference]: Without dead ends: 455 [2019-10-15 01:20:17,550 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-15 01:20:17,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2019-10-15 01:20:17,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 425. [2019-10-15 01:20:17,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 425 states. [2019-10-15 01:20:17,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 485 transitions. [2019-10-15 01:20:17,584 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 485 transitions. Word has length 92 [2019-10-15 01:20:17,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:17,584 INFO L462 AbstractCegarLoop]: Abstraction has 425 states and 485 transitions. [2019-10-15 01:20:17,585 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:20:17,585 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 485 transitions. [2019-10-15 01:20:17,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-10-15 01:20:17,586 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:17,587 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:17,587 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:17,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:17,588 INFO L82 PathProgramCache]: Analyzing trace with hash -1253770304, now seen corresponding path program 1 times [2019-10-15 01:20:17,588 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:17,588 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65424564] [2019-10-15 01:20:17,588 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:17,588 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:17,589 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:17,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:17,658 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:20:17,658 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65424564] [2019-10-15 01:20:17,658 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:17,658 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:20:17,659 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209335646] [2019-10-15 01:20:17,659 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:20:17,659 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:17,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:20:17,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:20:17,660 INFO L87 Difference]: Start difference. First operand 425 states and 485 transitions. Second operand 6 states. [2019-10-15 01:20:17,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:17,708 INFO L93 Difference]: Finished difference Result 836 states and 978 transitions. [2019-10-15 01:20:17,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:20:17,708 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 108 [2019-10-15 01:20:17,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:17,712 INFO L225 Difference]: With dead ends: 836 [2019-10-15 01:20:17,712 INFO L226 Difference]: Without dead ends: 439 [2019-10-15 01:20:17,714 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:20:17,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2019-10-15 01:20:17,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 435. [2019-10-15 01:20:17,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2019-10-15 01:20:17,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 495 transitions. [2019-10-15 01:20:17,741 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 495 transitions. Word has length 108 [2019-10-15 01:20:17,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:17,741 INFO L462 AbstractCegarLoop]: Abstraction has 435 states and 495 transitions. [2019-10-15 01:20:17,742 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:20:17,742 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 495 transitions. [2019-10-15 01:20:17,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-10-15 01:20:17,743 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:17,744 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:17,744 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:17,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:17,745 INFO L82 PathProgramCache]: Analyzing trace with hash 685391742, now seen corresponding path program 1 times [2019-10-15 01:20:17,745 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:17,745 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252703583] [2019-10-15 01:20:17,745 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:17,746 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:17,746 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:17,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:17,836 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:20:17,836 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252703583] [2019-10-15 01:20:17,837 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:17,837 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 01:20:17,837 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605620681] [2019-10-15 01:20:17,838 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:20:17,838 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:17,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:20:17,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:20:17,839 INFO L87 Difference]: Start difference. First operand 435 states and 495 transitions. Second operand 8 states. [2019-10-15 01:20:17,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:17,884 INFO L93 Difference]: Finished difference Result 856 states and 1000 transitions. [2019-10-15 01:20:17,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:20:17,885 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 108 [2019-10-15 01:20:17,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:17,889 INFO L225 Difference]: With dead ends: 856 [2019-10-15 01:20:17,889 INFO L226 Difference]: Without dead ends: 449 [2019-10-15 01:20:17,891 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:20:17,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2019-10-15 01:20:17,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 443. [2019-10-15 01:20:17,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2019-10-15 01:20:17,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 503 transitions. [2019-10-15 01:20:17,918 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 503 transitions. Word has length 108 [2019-10-15 01:20:17,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:17,919 INFO L462 AbstractCegarLoop]: Abstraction has 443 states and 503 transitions. [2019-10-15 01:20:17,919 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:20:17,919 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 503 transitions. [2019-10-15 01:20:17,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-10-15 01:20:17,921 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:17,921 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:17,922 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:17,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:17,922 INFO L82 PathProgramCache]: Analyzing trace with hash 1454561757, now seen corresponding path program 1 times [2019-10-15 01:20:17,922 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:17,923 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003291069] [2019-10-15 01:20:17,923 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:17,923 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:17,923 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:17,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:18,010 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:20:18,011 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003291069] [2019-10-15 01:20:18,011 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:18,011 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:20:18,011 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355818366] [2019-10-15 01:20:18,012 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:20:18,012 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:18,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:20:18,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:20:18,013 INFO L87 Difference]: Start difference. First operand 443 states and 503 transitions. Second operand 4 states. [2019-10-15 01:20:18,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:18,302 INFO L93 Difference]: Finished difference Result 1306 states and 1560 transitions. [2019-10-15 01:20:18,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 01:20:18,303 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 108 [2019-10-15 01:20:18,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:18,309 INFO L225 Difference]: With dead ends: 1306 [2019-10-15 01:20:18,309 INFO L226 Difference]: Without dead ends: 891 [2019-10-15 01:20:18,311 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:20:18,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 891 states. [2019-10-15 01:20:18,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 891 to 876. [2019-10-15 01:20:18,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 876 states. [2019-10-15 01:20:18,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 1025 transitions. [2019-10-15 01:20:18,364 INFO L78 Accepts]: Start accepts. Automaton has 876 states and 1025 transitions. Word has length 108 [2019-10-15 01:20:18,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:18,365 INFO L462 AbstractCegarLoop]: Abstraction has 876 states and 1025 transitions. [2019-10-15 01:20:18,365 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:20:18,365 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1025 transitions. [2019-10-15 01:20:18,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-10-15 01:20:18,368 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:18,368 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:18,368 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:18,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:18,368 INFO L82 PathProgramCache]: Analyzing trace with hash 1438503063, now seen corresponding path program 1 times [2019-10-15 01:20:18,369 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:18,369 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532393227] [2019-10-15 01:20:18,369 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:18,369 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:18,369 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:18,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:18,516 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:20:18,517 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532393227] [2019-10-15 01:20:18,517 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1718924815] [2019-10-15 01:20:18,517 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:20:18,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:18,718 INFO L256 TraceCheckSpWp]: Trace formula consists of 807 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-15 01:20:18,730 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:20:18,944 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:18,945 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:20:20,311 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:20:20,312 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:20:20,312 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-15 01:20:20,312 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469208169] [2019-10-15 01:20:20,313 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:20:20,313 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:20,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:20:20,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:20:20,314 INFO L87 Difference]: Start difference. First operand 876 states and 1025 transitions. Second operand 8 states. [2019-10-15 01:20:20,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:20,834 INFO L93 Difference]: Finished difference Result 1693 states and 1993 transitions. [2019-10-15 01:20:20,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:20:20,834 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 112 [2019-10-15 01:20:20,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:20,842 INFO L225 Difference]: With dead ends: 1693 [2019-10-15 01:20:20,842 INFO L226 Difference]: Without dead ends: 845 [2019-10-15 01:20:20,846 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 206 SyntacticMatches, 8 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:20:20,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2019-10-15 01:20:20,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 845. [2019-10-15 01:20:20,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 845 states. [2019-10-15 01:20:20,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 845 states and 974 transitions. [2019-10-15 01:20:20,906 INFO L78 Accepts]: Start accepts. Automaton has 845 states and 974 transitions. Word has length 112 [2019-10-15 01:20:20,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:20,907 INFO L462 AbstractCegarLoop]: Abstraction has 845 states and 974 transitions. [2019-10-15 01:20:20,907 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:20:20,907 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 974 transitions. [2019-10-15 01:20:20,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-10-15 01:20:20,912 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:20,912 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:21,120 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:20:21,121 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:21,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:21,121 INFO L82 PathProgramCache]: Analyzing trace with hash 1023478100, now seen corresponding path program 1 times [2019-10-15 01:20:21,122 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:21,122 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666533874] [2019-10-15 01:20:21,123 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:21,123 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:21,123 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:21,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:21,264 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-10-15 01:20:21,265 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666533874] [2019-10-15 01:20:21,265 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1089817083] [2019-10-15 01:20:21,265 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:20:21,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:21,501 INFO L256 TraceCheckSpWp]: Trace formula consists of 983 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-15 01:20:21,517 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:20:21,616 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-15 01:20:21,617 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:20:21,956 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-10-15 01:20:21,956 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:20:21,956 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 7 [2019-10-15 01:20:21,957 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452169655] [2019-10-15 01:20:21,957 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 01:20:21,957 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:21,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 01:20:21,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:20:21,958 INFO L87 Difference]: Start difference. First operand 845 states and 974 transitions. Second operand 5 states. [2019-10-15 01:20:22,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:22,671 INFO L93 Difference]: Finished difference Result 1752 states and 2121 transitions. [2019-10-15 01:20:22,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:20:22,672 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 185 [2019-10-15 01:20:22,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:22,682 INFO L225 Difference]: With dead ends: 1752 [2019-10-15 01:20:22,682 INFO L226 Difference]: Without dead ends: 1065 [2019-10-15 01:20:22,686 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 380 GetRequests, 370 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:20:22,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1065 states. [2019-10-15 01:20:22,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1065 to 1003. [2019-10-15 01:20:22,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1003 states. [2019-10-15 01:20:22,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 1003 states and 1180 transitions. [2019-10-15 01:20:22,773 INFO L78 Accepts]: Start accepts. Automaton has 1003 states and 1180 transitions. Word has length 185 [2019-10-15 01:20:22,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:22,774 INFO L462 AbstractCegarLoop]: Abstraction has 1003 states and 1180 transitions. [2019-10-15 01:20:22,774 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 01:20:22,774 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1180 transitions. [2019-10-15 01:20:22,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-10-15 01:20:22,781 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:22,782 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:22,989 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:20:22,990 INFO L410 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:22,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:22,990 INFO L82 PathProgramCache]: Analyzing trace with hash -2045020006, now seen corresponding path program 1 times [2019-10-15 01:20:22,990 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:22,991 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239139507] [2019-10-15 01:20:22,991 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:22,991 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:22,991 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:23,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:23,229 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-15 01:20:23,229 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239139507] [2019-10-15 01:20:23,230 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [863849573] [2019-10-15 01:20:23,230 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:20:23,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:23,476 INFO L256 TraceCheckSpWp]: Trace formula consists of 974 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-15 01:20:23,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:20:23,672 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-15 01:20:23,672 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:20:24,398 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-15 01:20:24,399 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:20:24,399 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-15 01:20:24,399 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841556269] [2019-10-15 01:20:24,400 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:20:24,400 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:24,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:20:24,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:20:24,401 INFO L87 Difference]: Start difference. First operand 1003 states and 1180 transitions. Second operand 8 states. [2019-10-15 01:20:24,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:24,741 INFO L93 Difference]: Finished difference Result 1715 states and 2052 transitions. [2019-10-15 01:20:24,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:20:24,741 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 181 [2019-10-15 01:20:24,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:24,743 INFO L225 Difference]: With dead ends: 1715 [2019-10-15 01:20:24,743 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:20:24,748 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 375 GetRequests, 347 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:20:24,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:20:24,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:20:24,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:20:24,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:20:24,749 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 181 [2019-10-15 01:20:24,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:24,749 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:20:24,750 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:20:24,750 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:20:24,750 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:20:24,957 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:20:24,965 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:20:25,899 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 22 [2019-10-15 01:20:26,928 WARN L191 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 30 [2019-10-15 01:20:27,315 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 30 [2019-10-15 01:20:27,514 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 19 [2019-10-15 01:20:27,763 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 23 [2019-10-15 01:20:27,894 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 19 [2019-10-15 01:20:28,082 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 26 [2019-10-15 01:20:28,240 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 19 [2019-10-15 01:20:28,388 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 19 [2019-10-15 01:20:28,612 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 24 [2019-10-15 01:20:28,744 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 19 [2019-10-15 01:20:29,411 WARN L191 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 39 [2019-10-15 01:20:29,554 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 22 [2019-10-15 01:20:29,965 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 25 [2019-10-15 01:20:30,158 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 19 [2019-10-15 01:20:30,315 INFO L443 ceAbstractionStarter]: For program point L286(lines 263 287) no Hoare annotation was computed. [2019-10-15 01:20:30,315 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 239 294) no Hoare annotation was computed. [2019-10-15 01:20:30,315 INFO L443 ceAbstractionStarter]: For program point L270(lines 270 274) no Hoare annotation was computed. [2019-10-15 01:20:30,316 INFO L443 ceAbstractionStarter]: For program point L270-1(lines 270 274) no Hoare annotation was computed. [2019-10-15 01:20:30,316 INFO L443 ceAbstractionStarter]: For program point L265(line 265) no Hoare annotation was computed. [2019-10-15 01:20:30,316 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 239 294) no Hoare annotation was computed. [2019-10-15 01:20:30,316 INFO L443 ceAbstractionStarter]: For program point L264-2(lines 264 285) no Hoare annotation was computed. [2019-10-15 01:20:30,316 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 239 294) no Hoare annotation was computed. [2019-10-15 01:20:30,316 INFO L443 ceAbstractionStarter]: For program point L321-2(lines 321 346) no Hoare annotation was computed. [2019-10-15 01:20:30,316 INFO L443 ceAbstractionStarter]: For program point L347(lines 320 348) no Hoare annotation was computed. [2019-10-15 01:20:30,316 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 295 354) no Hoare annotation was computed. [2019-10-15 01:20:30,316 INFO L443 ceAbstractionStarter]: For program point L340(line 340) no Hoare annotation was computed. [2019-10-15 01:20:30,316 INFO L443 ceAbstractionStarter]: For program point L340-1(line 340) no Hoare annotation was computed. [2019-10-15 01:20:30,316 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 295 354) no Hoare annotation was computed. [2019-10-15 01:20:30,317 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 295 354) no Hoare annotation was computed. [2019-10-15 01:20:30,317 INFO L443 ceAbstractionStarter]: For program point L327(lines 327 331) no Hoare annotation was computed. [2019-10-15 01:20:30,317 INFO L443 ceAbstractionStarter]: For program point L327-1(lines 327 331) no Hoare annotation was computed. [2019-10-15 01:20:30,317 INFO L443 ceAbstractionStarter]: For program point L322(line 322) no Hoare annotation was computed. [2019-10-15 01:20:30,317 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 580 586) the Hoare annotation is: true [2019-10-15 01:20:30,317 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 580 586) no Hoare annotation was computed. [2019-10-15 01:20:30,317 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 587 595) no Hoare annotation was computed. [2019-10-15 01:20:30,318 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 587 595) the Hoare annotation is: true [2019-10-15 01:20:30,318 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 587 595) no Hoare annotation was computed. [2019-10-15 01:20:30,318 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 163 185) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:30,318 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 163 185) no Hoare annotation was computed. [2019-10-15 01:20:30,318 INFO L439 ceAbstractionStarter]: At program point L175(line 175) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~1 1) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:30,319 INFO L439 ceAbstractionStarter]: At program point L175-1(line 175) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~1 1) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:30,319 INFO L443 ceAbstractionStarter]: For program point L173(lines 173 180) no Hoare annotation was computed. [2019-10-15 01:20:30,319 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 163 185) no Hoare annotation was computed. [2019-10-15 01:20:30,319 INFO L443 ceAbstractionStarter]: For program point L173-1(lines 173 180) no Hoare annotation was computed. [2019-10-15 01:20:30,319 INFO L443 ceAbstractionStarter]: For program point L171(line 171) no Hoare annotation was computed. [2019-10-15 01:20:30,319 INFO L439 ceAbstractionStarter]: At program point L170(line 170) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:30,320 INFO L439 ceAbstractionStarter]: At program point L169(line 169) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:30,320 INFO L439 ceAbstractionStarter]: At program point L169-1(line 169) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:30,320 INFO L443 ceAbstractionStarter]: For program point L129(line 129) no Hoare annotation was computed. [2019-10-15 01:20:30,320 INFO L443 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2019-10-15 01:20:30,320 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 117 140) no Hoare annotation was computed. [2019-10-15 01:20:30,320 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-10-15 01:20:30,320 INFO L443 ceAbstractionStarter]: For program point L126(line 126) no Hoare annotation was computed. [2019-10-15 01:20:30,320 INFO L443 ceAbstractionStarter]: For program point L125(line 125) no Hoare annotation was computed. [2019-10-15 01:20:30,321 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 117 140) no Hoare annotation was computed. [2019-10-15 01:20:30,321 INFO L443 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-10-15 01:20:30,321 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 117 140) no Hoare annotation was computed. [2019-10-15 01:20:30,321 INFO L443 ceAbstractionStarter]: For program point L123(line 123) no Hoare annotation was computed. [2019-10-15 01:20:30,321 INFO L443 ceAbstractionStarter]: For program point L122(line 122) no Hoare annotation was computed. [2019-10-15 01:20:30,321 INFO L443 ceAbstractionStarter]: For program point L135(line 135) no Hoare annotation was computed. [2019-10-15 01:20:30,321 INFO L443 ceAbstractionStarter]: For program point L134(line 134) no Hoare annotation was computed. [2019-10-15 01:20:30,321 INFO L443 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-10-15 01:20:30,321 INFO L443 ceAbstractionStarter]: For program point L132(line 132) no Hoare annotation was computed. [2019-10-15 01:20:30,322 INFO L443 ceAbstractionStarter]: For program point L131(line 131) no Hoare annotation was computed. [2019-10-15 01:20:30,322 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-10-15 01:20:30,322 INFO L439 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse3 (not (<= 1 ~methaneLevelCritical~0)) (not .cse2) .cse0))) [2019-10-15 01:20:30,322 INFO L443 ceAbstractionStarter]: For program point L852-1(lines 833 857) no Hoare annotation was computed. [2019-10-15 01:20:30,322 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 833 857) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 0) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-15 01:20:30,323 INFO L439 ceAbstractionStarter]: At program point L847(line 847) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2019-10-15 01:20:30,323 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 833 857) no Hoare annotation was computed. [2019-10-15 01:20:30,323 INFO L439 ceAbstractionStarter]: At program point L843(line 843) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2019-10-15 01:20:30,323 INFO L443 ceAbstractionStarter]: For program point L841(lines 841 849) no Hoare annotation was computed. [2019-10-15 01:20:30,323 INFO L439 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2019-10-15 01:20:30,323 INFO L443 ceAbstractionStarter]: For program point L839-1(line 839) no Hoare annotation was computed. [2019-10-15 01:20:30,323 INFO L443 ceAbstractionStarter]: For program point L837(lines 837 854) no Hoare annotation was computed. [2019-10-15 01:20:30,324 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 928 936) no Hoare annotation was computed. [2019-10-15 01:20:30,324 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 928 936) the Hoare annotation is: true [2019-10-15 01:20:30,324 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 928 936) no Hoare annotation was computed. [2019-10-15 01:20:30,324 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 992 1010) the Hoare annotation is: true [2019-10-15 01:20:30,324 INFO L443 ceAbstractionStarter]: For program point L1001(lines 1001 1005) no Hoare annotation was computed. [2019-10-15 01:20:30,324 INFO L446 ceAbstractionStarter]: At program point L999(line 999) the Hoare annotation is: true [2019-10-15 01:20:30,324 INFO L443 ceAbstractionStarter]: For program point L1001-2(lines 1001 1005) no Hoare annotation was computed. [2019-10-15 01:20:30,324 INFO L443 ceAbstractionStarter]: For program point L999-1(line 999) no Hoare annotation was computed. [2019-10-15 01:20:30,325 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 992 1010) no Hoare annotation was computed. [2019-10-15 01:20:30,325 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 992 1010) no Hoare annotation was computed. [2019-10-15 01:20:30,325 INFO L443 ceAbstractionStarter]: For program point L956(lines 956 964) no Hoare annotation was computed. [2019-10-15 01:20:30,325 INFO L443 ceAbstractionStarter]: For program point L956-2(lines 956 964) no Hoare annotation was computed. [2019-10-15 01:20:30,325 INFO L443 ceAbstractionStarter]: For program point L944(lines 944 952) no Hoare annotation was computed. [2019-10-15 01:20:30,325 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 937 972) no Hoare annotation was computed. [2019-10-15 01:20:30,325 INFO L443 ceAbstractionStarter]: For program point L944-2(lines 944 952) no Hoare annotation was computed. [2019-10-15 01:20:30,325 INFO L443 ceAbstractionStarter]: For program point L967(line 967) no Hoare annotation was computed. [2019-10-15 01:20:30,325 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 937 972) no Hoare annotation was computed. [2019-10-15 01:20:30,326 INFO L443 ceAbstractionStarter]: For program point L967-1(line 967) no Hoare annotation was computed. [2019-10-15 01:20:30,326 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 937 972) no Hoare annotation was computed. [2019-10-15 01:20:30,326 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 573 579) no Hoare annotation was computed. [2019-10-15 01:20:30,326 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 573 579) the Hoare annotation is: true [2019-10-15 01:20:30,326 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 193 238) no Hoare annotation was computed. [2019-10-15 01:20:30,326 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 193 238) no Hoare annotation was computed. [2019-10-15 01:20:30,326 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 193 238) no Hoare annotation was computed. [2019-10-15 01:20:30,326 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 506 551) no Hoare annotation was computed. [2019-10-15 01:20:30,327 INFO L443 ceAbstractionStarter]: For program point L526(lines 526 533) no Hoare annotation was computed. [2019-10-15 01:20:30,327 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 506 551) no Hoare annotation was computed. [2019-10-15 01:20:30,327 INFO L443 ceAbstractionStarter]: For program point L520(lines 520 540) no Hoare annotation was computed. [2019-10-15 01:20:30,327 INFO L443 ceAbstractionStarter]: For program point L520-1(lines 520 540) no Hoare annotation was computed. [2019-10-15 01:20:30,327 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 506 551) no Hoare annotation was computed. [2019-10-15 01:20:30,327 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 149 159) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:30,327 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 149 159) no Hoare annotation was computed. [2019-10-15 01:20:30,327 INFO L439 ceAbstractionStarter]: At program point L154(line 154) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:30,327 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 149 159) no Hoare annotation was computed. [2019-10-15 01:20:30,328 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 917 927) the Hoare annotation is: true [2019-10-15 01:20:30,328 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 917 927) no Hoare annotation was computed. [2019-10-15 01:20:30,328 INFO L446 ceAbstractionStarter]: At program point L922(line 922) the Hoare annotation is: true [2019-10-15 01:20:30,328 INFO L443 ceAbstractionStarter]: For program point L922-1(line 922) no Hoare annotation was computed. [2019-10-15 01:20:30,328 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 917 927) no Hoare annotation was computed. [2019-10-15 01:20:30,328 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 909 916) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= 0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse0 .cse2))) [2019-10-15 01:20:30,328 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 909 916) no Hoare annotation was computed. [2019-10-15 01:20:30,328 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 909 916) no Hoare annotation was computed. [2019-10-15 01:20:30,328 INFO L443 ceAbstractionStarter]: For program point L750(lines 750 756) no Hoare annotation was computed. [2019-10-15 01:20:30,329 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 746 759) no Hoare annotation was computed. [2019-10-15 01:20:30,329 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 746 759) the Hoare annotation is: true [2019-10-15 01:20:30,329 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 746 759) no Hoare annotation was computed. [2019-10-15 01:20:30,329 INFO L439 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse4) (or .cse0 .cse3 .cse1) (or .cse2 .cse1 .cse4))) [2019-10-15 01:20:30,329 INFO L443 ceAbstractionStarter]: For program point L865-1(line 865) no Hoare annotation was computed. [2019-10-15 01:20:30,329 INFO L443 ceAbstractionStarter]: For program point L863(lines 863 880) no Hoare annotation was computed. [2019-10-15 01:20:30,329 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 859 883) no Hoare annotation was computed. [2019-10-15 01:20:30,329 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 859 883) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-15 01:20:30,330 INFO L439 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse4 .cse0 .cse2) (or .cse3 .cse4 .cse0))) [2019-10-15 01:20:30,330 INFO L443 ceAbstractionStarter]: For program point L878-1(lines 859 883) no Hoare annotation was computed. [2019-10-15 01:20:30,330 INFO L439 ceAbstractionStarter]: At program point L873(line 873) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1))) [2019-10-15 01:20:30,330 INFO L439 ceAbstractionStarter]: At program point L869(line 869) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse4 .cse1 .cse2) (or .cse3 .cse1 (and .cse4 (<= ~methaneLevelCritical~0 processEnvironment_~tmp~8))))) [2019-10-15 01:20:30,330 INFO L443 ceAbstractionStarter]: For program point L867(lines 867 875) no Hoare annotation was computed. [2019-10-15 01:20:30,330 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 799 805) no Hoare annotation was computed. [2019-10-15 01:20:30,331 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 799 805) the Hoare annotation is: true [2019-10-15 01:20:30,331 INFO L443 ceAbstractionStarter]: For program point L609(lines 609 613) no Hoare annotation was computed. [2019-10-15 01:20:30,331 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 597 660) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:30,331 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 597 660) no Hoare annotation was computed. [2019-10-15 01:20:30,331 INFO L439 ceAbstractionStarter]: At program point L653(lines 606 654) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:30,331 INFO L443 ceAbstractionStarter]: For program point L643(lines 643 647) no Hoare annotation was computed. [2019-10-15 01:20:30,331 INFO L439 ceAbstractionStarter]: At program point L643-2(lines 637 648) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= ~systemActive~0 1)) (and .cse0 (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:20:30,332 INFO L443 ceAbstractionStarter]: For program point L608(lines 607 652) no Hoare annotation was computed. [2019-10-15 01:20:30,332 INFO L443 ceAbstractionStarter]: For program point L637(lines 637 648) no Hoare annotation was computed. [2019-10-15 01:20:30,332 INFO L439 ceAbstractionStarter]: At program point L629(line 629) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= 1 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)))) [2019-10-15 01:20:30,332 INFO L443 ceAbstractionStarter]: For program point L627(lines 627 633) no Hoare annotation was computed. [2019-10-15 01:20:30,332 INFO L443 ceAbstractionStarter]: For program point L627-1(lines 627 633) no Hoare annotation was computed. [2019-10-15 01:20:30,332 INFO L439 ceAbstractionStarter]: At program point L619(line 619) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0) (and (<= 1 ~methaneLevelCritical~0) (and .cse0 (= ~pumpRunning~0 0))) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:20:30,332 INFO L439 ceAbstractionStarter]: At program point L650(lines 607 652) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= 1 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)))) [2019-10-15 01:20:30,333 INFO L443 ceAbstractionStarter]: For program point L617(lines 617 623) no Hoare annotation was computed. [2019-10-15 01:20:30,333 INFO L443 ceAbstractionStarter]: For program point L617-1(lines 617 623) no Hoare annotation was computed. [2019-10-15 01:20:30,333 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 597 660) no Hoare annotation was computed. [2019-10-15 01:20:30,333 INFO L443 ceAbstractionStarter]: For program point L480(lines 480 487) no Hoare annotation was computed. [2019-10-15 01:20:30,333 INFO L443 ceAbstractionStarter]: For program point L474(lines 474 494) no Hoare annotation was computed. [2019-10-15 01:20:30,333 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 460 505) no Hoare annotation was computed. [2019-10-15 01:20:30,333 INFO L443 ceAbstractionStarter]: For program point L474-1(lines 474 494) no Hoare annotation was computed. [2019-10-15 01:20:30,333 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 460 505) no Hoare annotation was computed. [2019-10-15 01:20:30,333 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 460 505) no Hoare annotation was computed. [2019-10-15 01:20:30,333 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 884 891) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (<= 2 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-10-15 01:20:30,334 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 884 891) no Hoare annotation was computed. [2019-10-15 01:20:30,334 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 884 891) no Hoare annotation was computed. [2019-10-15 01:20:30,334 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 760 768) no Hoare annotation was computed. [2019-10-15 01:20:30,334 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 760 768) the Hoare annotation is: true [2019-10-15 01:20:30,334 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 760 768) no Hoare annotation was computed. [2019-10-15 01:20:30,334 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-10-15 01:20:30,334 INFO L443 ceAbstractionStarter]: For program point L64(lines 64 74) no Hoare annotation was computed. [2019-10-15 01:20:30,334 INFO L439 ceAbstractionStarter]: At program point L62(line 62) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-10-15 01:20:30,334 INFO L443 ceAbstractionStarter]: For program point L62-1(line 62) no Hoare annotation was computed. [2019-10-15 01:20:30,334 INFO L443 ceAbstractionStarter]: For program point L60(lines 60 77) no Hoare annotation was computed. [2019-10-15 01:20:30,334 INFO L443 ceAbstractionStarter]: For program point L60-1(lines 52 80) no Hoare annotation was computed. [2019-10-15 01:20:30,334 INFO L446 ceAbstractionStarter]: At program point L58(line 58) the Hoare annotation is: true [2019-10-15 01:20:30,334 INFO L443 ceAbstractionStarter]: For program point L58-1(line 58) no Hoare annotation was computed. [2019-10-15 01:20:30,335 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 52 80) the Hoare annotation is: true [2019-10-15 01:20:30,335 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 52 80) no Hoare annotation was computed. [2019-10-15 01:20:30,335 INFO L439 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-15 01:20:30,335 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 44 51) the Hoare annotation is: true [2019-10-15 01:20:30,335 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2019-10-15 01:20:30,335 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2019-10-15 01:20:30,335 INFO L443 ceAbstractionStarter]: For program point L722-2(lines 722 730) no Hoare annotation was computed. [2019-10-15 01:20:30,335 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 714 736) no Hoare annotation was computed. [2019-10-15 01:20:30,335 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 714 736) no Hoare annotation was computed. [2019-10-15 01:20:30,335 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 714 736) no Hoare annotation was computed. [2019-10-15 01:20:30,335 INFO L443 ceAbstractionStarter]: For program point L722(lines 722 730) no Hoare annotation was computed. [2019-10-15 01:20:30,335 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 357 459) no Hoare annotation was computed. [2019-10-15 01:20:30,336 INFO L443 ceAbstractionStarter]: For program point L446(lines 446 453) no Hoare annotation was computed. [2019-10-15 01:20:30,336 INFO L443 ceAbstractionStarter]: For program point L407(lines 406 426) no Hoare annotation was computed. [2019-10-15 01:20:30,336 INFO L443 ceAbstractionStarter]: For program point L438(line 438) no Hoare annotation was computed. [2019-10-15 01:20:30,336 INFO L443 ceAbstractionStarter]: For program point L438-1(line 438) no Hoare annotation was computed. [2019-10-15 01:20:30,336 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 444) no Hoare annotation was computed. [2019-10-15 01:20:30,336 INFO L443 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2019-10-15 01:20:30,336 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 357 459) no Hoare annotation was computed. [2019-10-15 01:20:30,336 INFO L443 ceAbstractionStarter]: For program point L422-1(line 422) no Hoare annotation was computed. [2019-10-15 01:20:30,336 INFO L443 ceAbstractionStarter]: For program point L381(lines 381 385) no Hoare annotation was computed. [2019-10-15 01:20:30,336 INFO L443 ceAbstractionStarter]: For program point L445(lines 445 456) no Hoare annotation was computed. [2019-10-15 01:20:30,336 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 412) no Hoare annotation was computed. [2019-10-15 01:20:30,337 INFO L443 ceAbstractionStarter]: For program point L406-2(lines 406 426) no Hoare annotation was computed. [2019-10-15 01:20:30,337 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 357 459) no Hoare annotation was computed. [2019-10-15 01:20:30,337 INFO L443 ceAbstractionStarter]: For program point L427(lines 405 428) no Hoare annotation was computed. [2019-10-15 01:20:30,337 INFO L443 ceAbstractionStarter]: For program point L386(lines 386 402) no Hoare annotation was computed. [2019-10-15 01:20:30,337 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 563 572) no Hoare annotation was computed. [2019-10-15 01:20:30,337 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 563 572) no Hoare annotation was computed. [2019-10-15 01:20:30,337 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 563 572) no Hoare annotation was computed. [2019-10-15 01:20:30,337 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:30,337 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2019-10-15 01:20:30,337 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:30,338 INFO L439 ceAbstractionStarter]: At program point L897(line 897) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse2 .cse3 .cse1))) [2019-10-15 01:20:30,338 INFO L443 ceAbstractionStarter]: For program point L897-1(line 897) no Hoare annotation was computed. [2019-10-15 01:20:30,338 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 892 908) no Hoare annotation was computed. [2019-10-15 01:20:30,338 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 892 908) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse2 .cse3 .cse1))) [2019-10-15 01:20:30,338 INFO L439 ceAbstractionStarter]: At program point L903(line 903) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2019-10-15 01:20:30,338 INFO L443 ceAbstractionStarter]: For program point L903-1(lines 892 908) no Hoare annotation was computed. [2019-10-15 01:20:30,338 INFO L443 ceAbstractionStarter]: For program point L899(lines 899 905) no Hoare annotation was computed. [2019-10-15 01:20:30,338 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 737 745) no Hoare annotation was computed. [2019-10-15 01:20:30,338 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 737 745) no Hoare annotation was computed. [2019-10-15 01:20:30,338 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 737 745) no Hoare annotation was computed. [2019-10-15 01:20:30,339 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 973 991) no Hoare annotation was computed. [2019-10-15 01:20:30,339 INFO L443 ceAbstractionStarter]: For program point L982(lines 982 986) no Hoare annotation was computed. [2019-10-15 01:20:30,339 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 973 991) the Hoare annotation is: true [2019-10-15 01:20:30,339 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 973 991) no Hoare annotation was computed. [2019-10-15 01:20:30,339 INFO L446 ceAbstractionStarter]: At program point L980(line 980) the Hoare annotation is: true [2019-10-15 01:20:30,339 INFO L443 ceAbstractionStarter]: For program point L982-2(lines 982 986) no Hoare annotation was computed. [2019-10-15 01:20:30,339 INFO L443 ceAbstractionStarter]: For program point L980-1(line 980) no Hoare annotation was computed. [2019-10-15 01:20:30,339 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 693 704) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= 0 ~methaneLevelCritical~0) .cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (or (<= 1 ~methaneLevelCritical~0) (not (<= 1 |old(~methaneLevelCritical~0)|)) (not (= 0 ~pumpRunning~0)) .cse0))) [2019-10-15 01:20:30,339 INFO L443 ceAbstractionStarter]: For program point L697-1(lines 693 704) no Hoare annotation was computed. [2019-10-15 01:20:30,339 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 693 704) no Hoare annotation was computed. [2019-10-15 01:20:30,339 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:30,339 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 01:20:30,339 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:30,340 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 705 713) the Hoare annotation is: true [2019-10-15 01:20:30,340 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 705 713) no Hoare annotation was computed. [2019-10-15 01:20:30,340 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 705 713) no Hoare annotation was computed. [2019-10-15 01:20:30,340 INFO L439 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: (let ((.cse6 (= 1 ~waterLevel~0)) (.cse3 (= |old(~waterLevel~0)| 1))) (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not .cse3)) (.cse4 (and (not .cse6) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse1 .cse5) (or .cse5 .cse1 .cse6 .cse7 .cse8) (or .cse2 .cse1 .cse8) (or .cse6 .cse0 .cse5 .cse1 .cse7) (or .cse3 .cse4 .cse1 .cse8 .cse5)))) [2019-10-15 01:20:30,340 INFO L439 ceAbstractionStarter]: At program point L786(lines 786 792) the Hoare annotation is: (let ((.cse10 (= 1 ~waterLevel~0)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= |old(~waterLevel~0)| 1))) (let ((.cse6 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse11 (not .cse3)) (.cse7 (and .cse4 .cse1)) (.cse5 (not .cse10)) (.cse2 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse9 (and (= 1 ~systemActive~0) .cse4 (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 (and .cse5 .cse6) .cse2) (or (and (<= 2 ~waterLevel~0) .cse6) .cse7 .cse2 (and .cse1 .cse6) .cse8 .cse9) (or .cse10 .cse0 .cse4 .cse2 .cse11) (or .cse4 .cse2 .cse11 .cse8 .cse10) (or .cse3 .cse7 .cse5 .cse2 .cse8 .cse9)))) [2019-10-15 01:20:30,340 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 775 798) the Hoare annotation is: (let ((.cse2 (= 1 ~waterLevel~0)) (.cse5 (= |old(~waterLevel~0)| 1))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not .cse5)) (.cse7 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse6 (not .cse2))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse4) (or .cse7 .cse8 .cse1) (or .cse2 .cse8 .cse0 .cse1 .cse3) (or .cse7 .cse1 .cse4) (or .cse8 .cse5 .cse1 .cse6)))) [2019-10-15 01:20:30,341 INFO L439 ceAbstractionStarter]: At program point L781(line 781) the Hoare annotation is: (let ((.cse1 (and (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-15 01:20:30,341 INFO L443 ceAbstractionStarter]: For program point L779(lines 778 797) no Hoare annotation was computed. [2019-10-15 01:20:30,341 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 775 798) no Hoare annotation was computed. [2019-10-15 01:20:30,341 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 775 798) no Hoare annotation was computed. [2019-10-15 01:20:30,341 INFO L446 ceAbstractionStarter]: At program point L98-1(lines 98 102) the Hoare annotation is: true [2019-10-15 01:20:30,341 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 84 113) no Hoare annotation was computed. [2019-10-15 01:20:30,341 INFO L443 ceAbstractionStarter]: For program point L95(line 95) no Hoare annotation was computed. [2019-10-15 01:20:30,341 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 84 113) the Hoare annotation is: true [2019-10-15 01:20:30,341 INFO L446 ceAbstractionStarter]: At program point L94-2(lines 94 108) the Hoare annotation is: true [2019-10-15 01:20:30,341 INFO L446 ceAbstractionStarter]: At program point L90(line 90) the Hoare annotation is: true [2019-10-15 01:20:30,341 INFO L443 ceAbstractionStarter]: For program point L90-1(line 90) no Hoare annotation was computed. [2019-10-15 01:20:30,341 INFO L446 ceAbstractionStarter]: At program point L109(lines 84 113) the Hoare annotation is: true [2019-10-15 01:20:30,341 INFO L443 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2019-10-15 01:20:30,341 INFO L443 ceAbstractionStarter]: For program point L98(lines 98 102) no Hoare annotation was computed. [2019-10-15 01:20:30,341 INFO L443 ceAbstractionStarter]: For program point L673-1(lines 669 680) no Hoare annotation was computed. [2019-10-15 01:20:30,342 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 669 680) the Hoare annotation is: (let ((.cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 (or .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2)) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 (or .cse1 .cse2)))) [2019-10-15 01:20:30,342 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 669 680) no Hoare annotation was computed. [2019-10-15 01:20:30,342 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 141 147) no Hoare annotation was computed. [2019-10-15 01:20:30,342 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 141 147) the Hoare annotation is: true [2019-10-15 01:20:30,342 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:30,342 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)) [2019-10-15 01:20:30,342 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:20:30,342 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:30,342 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 807 831) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 0) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-15 01:20:30,342 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 807 831) no Hoare annotation was computed. [2019-10-15 01:20:30,342 INFO L439 ceAbstractionStarter]: At program point L826(line 826) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2019-10-15 01:20:30,342 INFO L443 ceAbstractionStarter]: For program point L826-1(lines 807 831) no Hoare annotation was computed. [2019-10-15 01:20:30,343 INFO L439 ceAbstractionStarter]: At program point L821(line 821) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6) (= ~pumpRunning~0 0))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) (not .cse2) .cse0 .cse3) (or .cse3 .cse0 .cse1))) [2019-10-15 01:20:30,343 INFO L439 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: (let ((.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 (and .cse1 .cse2)) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-15 01:20:30,343 INFO L443 ceAbstractionStarter]: For program point L815(lines 815 823) no Hoare annotation was computed. [2019-10-15 01:20:30,343 INFO L439 ceAbstractionStarter]: At program point L813(line 813) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse3 (not (<= 1 ~methaneLevelCritical~0)) (not .cse2) .cse0))) [2019-10-15 01:20:30,343 INFO L443 ceAbstractionStarter]: For program point L813-1(line 813) no Hoare annotation was computed. [2019-10-15 01:20:30,343 INFO L443 ceAbstractionStarter]: For program point L811(lines 811 828) no Hoare annotation was computed. [2019-10-15 01:20:30,343 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 681 692) no Hoare annotation was computed. [2019-10-15 01:20:30,343 INFO L443 ceAbstractionStarter]: For program point L685-1(lines 681 692) no Hoare annotation was computed. [2019-10-15 01:20:30,343 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 681 692) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= 1 ~waterLevel~0)) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 (or .cse1 .cse4)) (or .cse6 (or .cse0 .cse1) .cse5) (or .cse2 .cse6 .cse0 .cse1 .cse3))) [2019-10-15 01:20:30,343 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 553 560) no Hoare annotation was computed. [2019-10-15 01:20:30,343 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 557) no Hoare annotation was computed. [2019-10-15 01:20:30,344 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 553 560) the Hoare annotation is: true [2019-10-15 01:20:30,344 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 553 560) no Hoare annotation was computed. [2019-10-15 01:20:30,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:20:30 BoogieIcfgContainer [2019-10-15 01:20:30,360 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:20:30,362 INFO L168 Benchmark]: Toolchain (without parser) took 18892.88 ms. Allocated memory was 137.4 MB in the beginning and 520.1 MB in the end (delta: 382.7 MB). Free memory was 101.6 MB in the beginning and 132.8 MB in the end (delta: -31.3 MB). Peak memory consumption was 354.5 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:30,362 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 01:20:30,363 INFO L168 Benchmark]: CACSL2BoogieTranslator took 770.29 ms. Allocated memory was 137.4 MB in the beginning and 200.8 MB in the end (delta: 63.4 MB). Free memory was 101.4 MB in the beginning and 168.5 MB in the end (delta: -67.1 MB). Peak memory consumption was 28.7 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:30,364 INFO L168 Benchmark]: Boogie Preprocessor took 114.71 ms. Allocated memory is still 200.8 MB. Free memory was 168.5 MB in the beginning and 164.2 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:30,365 INFO L168 Benchmark]: RCFGBuilder took 1463.97 ms. Allocated memory was 200.8 MB in the beginning and 231.7 MB in the end (delta: 30.9 MB). Free memory was 164.2 MB in the beginning and 191.1 MB in the end (delta: -26.9 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:30,366 INFO L168 Benchmark]: TraceAbstraction took 16536.90 ms. Allocated memory was 231.7 MB in the beginning and 520.1 MB in the end (delta: 288.4 MB). Free memory was 191.1 MB in the beginning and 132.8 MB in the end (delta: 58.3 MB). Peak memory consumption was 349.6 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:30,370 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 770.29 ms. Allocated memory was 137.4 MB in the beginning and 200.8 MB in the end (delta: 63.4 MB). Free memory was 101.4 MB in the beginning and 168.5 MB in the end (delta: -67.1 MB). Peak memory consumption was 28.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.71 ms. Allocated memory is still 200.8 MB. Free memory was 168.5 MB in the beginning and 164.2 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1463.97 ms. Allocated memory was 200.8 MB in the beginning and 231.7 MB in the end (delta: 30.9 MB). Free memory was 164.2 MB in the beginning and 191.1 MB in the end (delta: -26.9 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16536.90 ms. Allocated memory was 231.7 MB in the beginning and 520.1 MB in the end (delta: 288.4 MB). Free memory was 191.1 MB in the beginning and 132.8 MB in the end (delta: 58.3 MB). Peak memory consumption was 349.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 557]: 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: 94]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: (((((0 == methaneLevelCritical && 0 == splverifierCounter) || !(systemActive == 1)) || !(0 == \old(pumpRunning))) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == splverifierCounter && 1 <= methaneLevelCritical) && pumpRunning == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 257 locations, 1 error locations. Result: SAFE, OverallTime: 16.4s, OverallIterations: 12, TraceHistogramMax: 4, AutomataDifference: 4.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.3s, HoareTripleCheckerStatistics: 2486 SDtfs, 1396 SDslu, 5169 SDs, 0 SdLazy, 2106 SolverSat, 451 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1085 GetRequests, 970 SyntacticMatches, 15 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1003occurred in iteration=11, 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, 12 MinimizatonAttempts, 141 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 70 LocationsWithAnnotation, 2450 PreInvPairs, 2576 NumberOfFragments, 1800 HoareAnnotationTreeSize, 2450 FomulaSimplifications, 3783 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 70 FomulaSimplificationsInter, 11452 FormulaSimplificationTreeSizeReductionInter, 4.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 1693 NumberOfCodeBlocks, 1693 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2153 ConstructedInterpolants, 0 QuantifiedInterpolants, 443294 SizeOfPredicates, 12 NumberOfNonLiveVariables, 2764 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 18 InterpolantComputations, 12 PerfectInterpolantSequences, 322/342 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...