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_spec1_product58.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:20:06,142 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:20:06,146 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:20:06,165 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:20:06,166 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:20:06,168 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:20:06,170 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:20:06,180 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:20:06,185 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:20:06,189 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:20:06,190 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:20:06,192 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:20:06,192 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:20:06,194 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:20:06,196 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:20:06,197 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:20:06,199 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:20:06,201 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:20:06,202 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:20:06,207 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:20:06,211 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:20:06,214 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:20:06,216 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:20:06,217 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:20:06,219 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:20:06,220 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:20:06,220 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:20:06,222 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:20:06,223 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:20:06,224 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:20:06,224 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:20:06,225 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:20:06,225 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:20:06,226 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:20:06,228 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:20:06,228 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:20:06,228 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:20:06,229 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:20:06,229 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:20:06,230 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:20:06,231 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:20:06,232 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 21:20:06,265 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:20:06,265 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:20:06,272 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:20:06,272 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:20:06,272 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:20:06,272 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:20:06,273 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:20:06,273 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:20:06,273 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:20:06,273 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:20:06,273 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:20:06,273 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:20:06,274 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:20:06,274 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:20:06,274 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:20:06,275 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:20:06,275 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:20:06,275 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:20:06,276 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:20:06,276 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:20:06,276 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:20:06,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:20:06,276 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:20:06,277 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:20:06,277 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:20:06,277 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:20:06,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:20:06,277 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:20:06,278 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 21:20:06,585 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:20:06,600 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:20:06,604 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:20:06,606 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:20:06,606 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:20:06,607 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product58.cil.c [2019-10-13 21:20:06,692 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e15f96fb/adc236b57feb4e7ea0c532ce25165fb5/FLAG461ea5b53 [2019-10-13 21:20:07,263 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:20:07,264 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product58.cil.c [2019-10-13 21:20:07,288 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e15f96fb/adc236b57feb4e7ea0c532ce25165fb5/FLAG461ea5b53 [2019-10-13 21:20:07,542 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e15f96fb/adc236b57feb4e7ea0c532ce25165fb5 [2019-10-13 21:20:07,553 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:20:07,555 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:20:07,559 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:20:07,559 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:20:07,563 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:20:07,564 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:20:07" (1/1) ... [2019-10-13 21:20:07,567 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b536ee0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:07, skipping insertion in model container [2019-10-13 21:20:07,567 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:20:07" (1/1) ... [2019-10-13 21:20:07,573 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:20:07,625 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:20:08,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:20:08,111 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:20:08,238 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:20:08,285 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:20:08,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:08 WrapperNode [2019-10-13 21:20:08,285 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:20:08,286 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:20:08,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:20:08,286 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:20:08,302 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:08" (1/1) ... [2019-10-13 21:20:08,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:08" (1/1) ... [2019-10-13 21:20:08,323 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:08" (1/1) ... [2019-10-13 21:20:08,324 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:08" (1/1) ... [2019-10-13 21:20:08,354 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:08" (1/1) ... [2019-10-13 21:20:08,364 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:08" (1/1) ... [2019-10-13 21:20:08,370 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:08" (1/1) ... [2019-10-13 21:20:08,377 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:20:08,378 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:20:08,378 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:20:08,378 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:20:08,379 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:20:08,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:20:08,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:20:08,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:20:08,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:20:08,441 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:20:08,442 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:20:08,442 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:20:08,443 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:20:08,443 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:20:08,444 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:20:08,444 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 21:20:08,444 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 21:20:08,444 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:20:08,445 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:20:08,446 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:20:08,446 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:20:08,448 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:20:08,448 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:20:08,449 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:20:08,449 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:20:08,449 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:20:08,450 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 21:20:08,450 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:20:08,450 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:20:08,451 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:20:08,452 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:20:08,452 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:20:08,452 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 21:20:08,452 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 21:20:08,452 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 21:20:08,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-13 21:20:08,453 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:20:08,453 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:20:08,453 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:20:08,453 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:20:08,453 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:20:08,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:20:08,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:20:08,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:20:08,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:20:08,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:20:08,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:20:08,454 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:20:08,454 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:20:08,455 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:20:08,455 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:20:08,455 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:20:08,455 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:20:08,455 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:20:08,456 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:20:08,456 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:20:08,456 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:20:08,456 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 21:20:08,456 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 21:20:08,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:20:08,457 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:20:08,457 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:20:08,457 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:20:08,457 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:20:08,457 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:20:08,457 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:20:08,458 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:20:08,458 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:20:08,458 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:20:08,458 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:20:08,458 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:20:08,458 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:20:08,459 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:20:08,459 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:20:08,459 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 21:20:08,459 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-13 21:20:08,459 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:20:08,459 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:20:08,459 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 21:20:08,460 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:20:08,460 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 21:20:08,460 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 21:20:08,460 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:20:08,460 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:20:08,460 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:20:08,461 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:20:08,461 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:20:08,461 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:20:08,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:20:08,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:20:08,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:20:08,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:20:08,462 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:20:08,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:20:08,462 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:20:08,462 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:20:08,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:20:08,463 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:20:08,463 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:20:08,463 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:20:08,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:20:08,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:20:08,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:20:09,630 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:20:09,630 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:20:09,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:20:09 BoogieIcfgContainer [2019-10-13 21:20:09,634 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:20:09,635 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:20:09,636 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:20:09,639 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:20:09,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:20:07" (1/3) ... [2019-10-13 21:20:09,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e1b4215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:20:09, skipping insertion in model container [2019-10-13 21:20:09,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:08" (2/3) ... [2019-10-13 21:20:09,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e1b4215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:20:09, skipping insertion in model container [2019-10-13 21:20:09,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:20:09" (3/3) ... [2019-10-13 21:20:09,643 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product58.cil.c [2019-10-13 21:20:09,653 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:20:09,662 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:20:09,672 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:20:09,704 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:20:09,705 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:20:09,705 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:20:09,705 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:20:09,705 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:20:09,705 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:20:09,705 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:20:09,705 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:20:09,731 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states. [2019-10-13 21:20:09,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 21:20:09,745 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:09,746 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:09,748 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:09,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:09,754 INFO L82 PathProgramCache]: Analyzing trace with hash 252979836, now seen corresponding path program 1 times [2019-10-13 21:20:09,765 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:09,765 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542886482] [2019-10-13 21:20:09,766 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:09,766 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:09,766 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:10,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:10,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:10,145 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542886482] [2019-10-13 21:20:10,149 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:10,150 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:20:10,150 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105796797] [2019-10-13 21:20:10,157 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:20:10,159 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:10,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:20:10,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:20:10,188 INFO L87 Difference]: Start difference. First operand 187 states. Second operand 2 states. [2019-10-13 21:20:10,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:10,245 INFO L93 Difference]: Finished difference Result 288 states and 353 transitions. [2019-10-13 21:20:10,245 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:20:10,249 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-13 21:20:10,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:10,274 INFO L225 Difference]: With dead ends: 288 [2019-10-13 21:20:10,275 INFO L226 Difference]: Without dead ends: 144 [2019-10-13 21:20:10,283 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:20:10,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2019-10-13 21:20:10,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2019-10-13 21:20:10,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2019-10-13 21:20:10,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 168 transitions. [2019-10-13 21:20:10,356 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 168 transitions. Word has length 46 [2019-10-13 21:20:10,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:10,357 INFO L462 AbstractCegarLoop]: Abstraction has 144 states and 168 transitions. [2019-10-13 21:20:10,357 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:20:10,358 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 168 transitions. [2019-10-13 21:20:10,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 21:20:10,367 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:10,368 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:10,368 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:10,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:10,369 INFO L82 PathProgramCache]: Analyzing trace with hash -810106616, now seen corresponding path program 1 times [2019-10-13 21:20:10,370 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:10,370 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187204855] [2019-10-13 21:20:10,370 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:10,370 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:10,371 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:10,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:10,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:10,561 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187204855] [2019-10-13 21:20:10,561 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:10,561 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:20:10,562 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098207837] [2019-10-13 21:20:10,565 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:20:10,565 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:10,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:20:10,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:20:10,566 INFO L87 Difference]: Start difference. First operand 144 states and 168 transitions. Second operand 3 states. [2019-10-13 21:20:10,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:10,624 INFO L93 Difference]: Finished difference Result 233 states and 271 transitions. [2019-10-13 21:20:10,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:20:10,625 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-13 21:20:10,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:10,628 INFO L225 Difference]: With dead ends: 233 [2019-10-13 21:20:10,629 INFO L226 Difference]: Without dead ends: 135 [2019-10-13 21:20:10,631 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:20:10,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2019-10-13 21:20:10,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2019-10-13 21:20:10,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2019-10-13 21:20:10,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 156 transitions. [2019-10-13 21:20:10,667 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 156 transitions. Word has length 47 [2019-10-13 21:20:10,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:10,667 INFO L462 AbstractCegarLoop]: Abstraction has 135 states and 156 transitions. [2019-10-13 21:20:10,667 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:20:10,668 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 156 transitions. [2019-10-13 21:20:10,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 21:20:10,674 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:10,674 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:10,674 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:10,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:10,675 INFO L82 PathProgramCache]: Analyzing trace with hash 2111665897, now seen corresponding path program 1 times [2019-10-13 21:20:10,675 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:10,675 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432941070] [2019-10-13 21:20:10,675 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:10,676 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:10,676 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:10,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:10,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:10,915 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432941070] [2019-10-13 21:20:10,916 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:10,916 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:20:10,916 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734184203] [2019-10-13 21:20:10,917 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:20:10,917 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:10,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:20:10,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:20:10,918 INFO L87 Difference]: Start difference. First operand 135 states and 156 transitions. Second operand 7 states. [2019-10-13 21:20:11,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:11,222 INFO L93 Difference]: Finished difference Result 246 states and 289 transitions. [2019-10-13 21:20:11,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:20:11,223 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-10-13 21:20:11,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:11,225 INFO L225 Difference]: With dead ends: 246 [2019-10-13 21:20:11,226 INFO L226 Difference]: Without dead ends: 135 [2019-10-13 21:20:11,227 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:20:11,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2019-10-13 21:20:11,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2019-10-13 21:20:11,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2019-10-13 21:20:11,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 155 transitions. [2019-10-13 21:20:11,249 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 155 transitions. Word has length 52 [2019-10-13 21:20:11,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:11,250 INFO L462 AbstractCegarLoop]: Abstraction has 135 states and 155 transitions. [2019-10-13 21:20:11,250 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:20:11,250 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 155 transitions. [2019-10-13 21:20:11,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-13 21:20:11,253 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:11,253 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:11,253 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:11,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:11,254 INFO L82 PathProgramCache]: Analyzing trace with hash -2095161910, now seen corresponding path program 1 times [2019-10-13 21:20:11,254 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:11,254 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128078426] [2019-10-13 21:20:11,255 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:11,255 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:11,255 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:11,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:11,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:11,392 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128078426] [2019-10-13 21:20:11,392 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:11,392 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 21:20:11,393 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807158990] [2019-10-13 21:20:11,393 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:20:11,394 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:11,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:20:11,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:20:11,394 INFO L87 Difference]: Start difference. First operand 135 states and 155 transitions. Second operand 5 states. [2019-10-13 21:20:11,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:11,944 INFO L93 Difference]: Finished difference Result 347 states and 415 transitions. [2019-10-13 21:20:11,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:20:11,949 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2019-10-13 21:20:11,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:11,952 INFO L225 Difference]: With dead ends: 347 [2019-10-13 21:20:11,952 INFO L226 Difference]: Without dead ends: 236 [2019-10-13 21:20:11,954 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:20:11,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2019-10-13 21:20:11,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 217. [2019-10-13 21:20:11,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2019-10-13 21:20:11,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 246 transitions. [2019-10-13 21:20:11,995 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 246 transitions. Word has length 65 [2019-10-13 21:20:11,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:11,995 INFO L462 AbstractCegarLoop]: Abstraction has 217 states and 246 transitions. [2019-10-13 21:20:11,995 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:20:11,995 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 246 transitions. [2019-10-13 21:20:11,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-10-13 21:20:11,999 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:12,000 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:12,000 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:12,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:12,000 INFO L82 PathProgramCache]: Analyzing trace with hash 1983258682, now seen corresponding path program 1 times [2019-10-13 21:20:12,001 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:12,001 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476331419] [2019-10-13 21:20:12,001 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:12,001 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:12,002 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:12,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:12,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:12,149 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476331419] [2019-10-13 21:20:12,149 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:12,149 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:20:12,150 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472776619] [2019-10-13 21:20:12,152 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:20:12,152 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:12,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:20:12,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:20:12,153 INFO L87 Difference]: Start difference. First operand 217 states and 246 transitions. Second operand 6 states. [2019-10-13 21:20:12,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:12,411 INFO L93 Difference]: Finished difference Result 588 states and 688 transitions. [2019-10-13 21:20:12,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:20:12,412 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2019-10-13 21:20:12,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:12,417 INFO L225 Difference]: With dead ends: 588 [2019-10-13 21:20:12,417 INFO L226 Difference]: Without dead ends: 395 [2019-10-13 21:20:12,418 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 [2019-10-13 21:20:12,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2019-10-13 21:20:12,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 389. [2019-10-13 21:20:12,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2019-10-13 21:20:12,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 442 transitions. [2019-10-13 21:20:12,467 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 442 transitions. Word has length 79 [2019-10-13 21:20:12,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:12,468 INFO L462 AbstractCegarLoop]: Abstraction has 389 states and 442 transitions. [2019-10-13 21:20:12,468 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:20:12,468 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 442 transitions. [2019-10-13 21:20:12,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-10-13 21:20:12,470 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:12,470 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:12,470 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:12,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:12,470 INFO L82 PathProgramCache]: Analyzing trace with hash -2086163970, now seen corresponding path program 1 times [2019-10-13 21:20:12,471 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:12,471 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623456469] [2019-10-13 21:20:12,471 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:12,471 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:12,471 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:12,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:12,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:12,591 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623456469] [2019-10-13 21:20:12,591 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:12,591 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:20:12,592 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362919516] [2019-10-13 21:20:12,592 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:20:12,593 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:12,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:20:12,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:20:12,593 INFO L87 Difference]: Start difference. First operand 389 states and 442 transitions. Second operand 7 states. [2019-10-13 21:20:13,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:13,218 INFO L93 Difference]: Finished difference Result 424 states and 496 transitions. [2019-10-13 21:20:13,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 21:20:13,218 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 83 [2019-10-13 21:20:13,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:13,221 INFO L225 Difference]: With dead ends: 424 [2019-10-13 21:20:13,222 INFO L226 Difference]: Without dead ends: 421 [2019-10-13 21:20:13,222 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-13 21:20:13,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2019-10-13 21:20:13,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 389. [2019-10-13 21:20:13,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2019-10-13 21:20:13,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 441 transitions. [2019-10-13 21:20:13,249 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 441 transitions. Word has length 83 [2019-10-13 21:20:13,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:13,250 INFO L462 AbstractCegarLoop]: Abstraction has 389 states and 441 transitions. [2019-10-13 21:20:13,250 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:20:13,250 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 441 transitions. [2019-10-13 21:20:13,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-10-13 21:20:13,252 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:13,252 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:13,252 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:13,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:13,253 INFO L82 PathProgramCache]: Analyzing trace with hash -1672866455, now seen corresponding path program 1 times [2019-10-13 21:20:13,253 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:13,253 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919573222] [2019-10-13 21:20:13,253 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:13,253 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:13,254 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:13,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:13,341 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:20:13,342 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919573222] [2019-10-13 21:20:13,342 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:13,342 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:20:13,343 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494325950] [2019-10-13 21:20:13,343 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:20:13,343 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:13,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:20:13,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:20:13,344 INFO L87 Difference]: Start difference. First operand 389 states and 441 transitions. Second operand 6 states. [2019-10-13 21:20:13,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:13,397 INFO L93 Difference]: Finished difference Result 768 states and 890 transitions. [2019-10-13 21:20:13,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:20:13,398 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 99 [2019-10-13 21:20:13,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:13,402 INFO L225 Difference]: With dead ends: 768 [2019-10-13 21:20:13,402 INFO L226 Difference]: Without dead ends: 403 [2019-10-13 21:20:13,404 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 [2019-10-13 21:20:13,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2019-10-13 21:20:13,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 399. [2019-10-13 21:20:13,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2019-10-13 21:20:13,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 451 transitions. [2019-10-13 21:20:13,440 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 451 transitions. Word has length 99 [2019-10-13 21:20:13,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:13,440 INFO L462 AbstractCegarLoop]: Abstraction has 399 states and 451 transitions. [2019-10-13 21:20:13,440 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:20:13,441 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 451 transitions. [2019-10-13 21:20:13,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-10-13 21:20:13,446 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:13,446 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:13,447 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:13,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:13,447 INFO L82 PathProgramCache]: Analyzing trace with hash -779380117, now seen corresponding path program 1 times [2019-10-13 21:20:13,447 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:13,447 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891151327] [2019-10-13 21:20:13,448 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:13,448 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:13,448 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:13,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:13,575 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:20:13,576 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891151327] [2019-10-13 21:20:13,576 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:13,576 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 21:20:13,577 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677966490] [2019-10-13 21:20:13,578 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:20:13,578 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:13,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:20:13,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:20:13,579 INFO L87 Difference]: Start difference. First operand 399 states and 451 transitions. Second operand 8 states. [2019-10-13 21:20:13,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:13,629 INFO L93 Difference]: Finished difference Result 788 states and 912 transitions. [2019-10-13 21:20:13,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:20:13,630 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 99 [2019-10-13 21:20:13,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:13,634 INFO L225 Difference]: With dead ends: 788 [2019-10-13 21:20:13,634 INFO L226 Difference]: Without dead ends: 413 [2019-10-13 21:20:13,637 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 [2019-10-13 21:20:13,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2019-10-13 21:20:13,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 407. [2019-10-13 21:20:13,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2019-10-13 21:20:13,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 459 transitions. [2019-10-13 21:20:13,663 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 459 transitions. Word has length 99 [2019-10-13 21:20:13,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:13,664 INFO L462 AbstractCegarLoop]: Abstraction has 407 states and 459 transitions. [2019-10-13 21:20:13,664 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:20:13,664 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 459 transitions. [2019-10-13 21:20:13,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-10-13 21:20:13,667 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:13,668 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:13,668 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:13,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:13,668 INFO L82 PathProgramCache]: Analyzing trace with hash -787139476, now seen corresponding path program 1 times [2019-10-13 21:20:13,668 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:13,668 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720093501] [2019-10-13 21:20:13,669 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:13,669 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:13,669 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:13,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:13,806 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:20:13,807 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720093501] [2019-10-13 21:20:13,807 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:13,807 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:20:13,807 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602955350] [2019-10-13 21:20:13,808 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:20:13,808 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:13,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:20:13,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:20:13,809 INFO L87 Difference]: Start difference. First operand 407 states and 459 transitions. Second operand 4 states. [2019-10-13 21:20:14,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:14,111 INFO L93 Difference]: Finished difference Result 1209 states and 1432 transitions. [2019-10-13 21:20:14,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 21:20:14,112 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2019-10-13 21:20:14,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:14,118 INFO L225 Difference]: With dead ends: 1209 [2019-10-13 21:20:14,118 INFO L226 Difference]: Without dead ends: 826 [2019-10-13 21:20:14,120 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 [2019-10-13 21:20:14,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2019-10-13 21:20:14,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 811. [2019-10-13 21:20:14,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2019-10-13 21:20:14,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 941 transitions. [2019-10-13 21:20:14,175 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 941 transitions. Word has length 99 [2019-10-13 21:20:14,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:14,175 INFO L462 AbstractCegarLoop]: Abstraction has 811 states and 941 transitions. [2019-10-13 21:20:14,176 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:20:14,176 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 941 transitions. [2019-10-13 21:20:14,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-10-13 21:20:14,178 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:14,178 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] [2019-10-13 21:20:14,178 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:14,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:14,179 INFO L82 PathProgramCache]: Analyzing trace with hash -1176915630, now seen corresponding path program 1 times [2019-10-13 21:20:14,179 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:14,179 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119589081] [2019-10-13 21:20:14,180 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:14,180 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:14,180 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:14,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:14,345 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:20:14,345 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119589081] [2019-10-13 21:20:14,345 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1704935729] [2019-10-13 21:20:14,345 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:20:14,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:14,553 INFO L256 TraceCheckSpWp]: Trace formula consists of 781 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-13 21:20:14,575 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:20:14,783 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:14,784 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:20:15,807 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:20:15,807 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:20:15,808 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-13 21:20:15,808 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327382816] [2019-10-13 21:20:15,808 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:20:15,809 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:15,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:20:15,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-13 21:20:15,810 INFO L87 Difference]: Start difference. First operand 811 states and 941 transitions. Second operand 8 states. [2019-10-13 21:20:16,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:16,133 INFO L93 Difference]: Finished difference Result 1570 states and 1832 transitions. [2019-10-13 21:20:16,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:20:16,133 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2019-10-13 21:20:16,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:16,138 INFO L225 Difference]: With dead ends: 1570 [2019-10-13 21:20:16,138 INFO L226 Difference]: Without dead ends: 783 [2019-10-13 21:20:16,140 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 189 SyntacticMatches, 7 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-13 21:20:16,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2019-10-13 21:20:16,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 783. [2019-10-13 21:20:16,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 783 states. [2019-10-13 21:20:16,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 783 states and 895 transitions. [2019-10-13 21:20:16,228 INFO L78 Accepts]: Start accepts. Automaton has 783 states and 895 transitions. Word has length 103 [2019-10-13 21:20:16,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:16,228 INFO L462 AbstractCegarLoop]: Abstraction has 783 states and 895 transitions. [2019-10-13 21:20:16,228 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:20:16,228 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 895 transitions. [2019-10-13 21:20:16,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2019-10-13 21:20:16,233 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:16,233 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-13 21:20:16,439 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:20:16,439 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:16,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:16,440 INFO L82 PathProgramCache]: Analyzing trace with hash -1219888640, now seen corresponding path program 1 times [2019-10-13 21:20:16,440 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:16,440 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884070107] [2019-10-13 21:20:16,441 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:16,441 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:16,441 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:16,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:16,546 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-13 21:20:16,546 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884070107] [2019-10-13 21:20:16,547 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [881668909] [2019-10-13 21:20:16,547 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 [2019-10-13 21:20:16,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:16,775 INFO L256 TraceCheckSpWp]: Trace formula consists of 915 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 21:20:16,791 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:20:16,842 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:20:16,842 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:20:17,132 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-13 21:20:17,133 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:20:17,133 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 7 [2019-10-13 21:20:17,133 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822944851] [2019-10-13 21:20:17,134 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:20:17,134 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:17,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:20:17,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:20:17,135 INFO L87 Difference]: Start difference. First operand 783 states and 895 transitions. Second operand 5 states. [2019-10-13 21:20:17,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:17,679 INFO L93 Difference]: Finished difference Result 1646 states and 1982 transitions. [2019-10-13 21:20:17,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:20:17,679 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2019-10-13 21:20:17,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:17,687 INFO L225 Difference]: With dead ends: 1646 [2019-10-13 21:20:17,687 INFO L226 Difference]: Without dead ends: 1015 [2019-10-13 21:20:17,690 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 322 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:20:17,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1015 states. [2019-10-13 21:20:17,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1015 to 947. [2019-10-13 21:20:17,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 947 states. [2019-10-13 21:20:17,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 947 states and 1104 transitions. [2019-10-13 21:20:17,758 INFO L78 Accepts]: Start accepts. Automaton has 947 states and 1104 transitions. Word has length 161 [2019-10-13 21:20:17,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:17,758 INFO L462 AbstractCegarLoop]: Abstraction has 947 states and 1104 transitions. [2019-10-13 21:20:17,759 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:20:17,759 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1104 transitions. [2019-10-13 21:20:17,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-10-13 21:20:17,762 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:17,763 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-13 21:20:17,978 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:20:17,979 INFO L410 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:17,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:17,979 INFO L82 PathProgramCache]: Analyzing trace with hash 2006054760, now seen corresponding path program 1 times [2019-10-13 21:20:17,979 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:17,979 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587617927] [2019-10-13 21:20:17,980 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:17,980 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:17,980 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:18,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:18,160 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-13 21:20:18,161 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587617927] [2019-10-13 21:20:18,161 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [686632637] [2019-10-13 21:20:18,161 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 [2019-10-13 21:20:18,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:18,431 INFO L256 TraceCheckSpWp]: Trace formula consists of 908 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-13 21:20:18,442 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:20:18,573 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:20:18,573 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:20:18,684 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:20:18,708 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:20:18,710 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:20:18,952 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-13 21:20:18,953 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:20:18,953 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 10] total 17 [2019-10-13 21:20:18,953 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40070283] [2019-10-13 21:20:18,954 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 21:20:18,954 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:18,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 21:20:18,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2019-10-13 21:20:18,955 INFO L87 Difference]: Start difference. First operand 947 states and 1104 transitions. Second operand 9 states. [2019-10-13 21:20:20,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:20,494 INFO L93 Difference]: Finished difference Result 2346 states and 2992 transitions. [2019-10-13 21:20:20,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-13 21:20:20,495 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 157 [2019-10-13 21:20:20,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:20,509 INFO L225 Difference]: With dead ends: 2346 [2019-10-13 21:20:20,509 INFO L226 Difference]: Without dead ends: 1555 [2019-10-13 21:20:20,513 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 310 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=134, Invalid=418, Unknown=0, NotChecked=0, Total=552 [2019-10-13 21:20:20,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1555 states. [2019-10-13 21:20:20,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1555 to 1235. [2019-10-13 21:20:20,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1235 states. [2019-10-13 21:20:20,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1235 states to 1235 states and 1447 transitions. [2019-10-13 21:20:20,604 INFO L78 Accepts]: Start accepts. Automaton has 1235 states and 1447 transitions. Word has length 157 [2019-10-13 21:20:20,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:20,604 INFO L462 AbstractCegarLoop]: Abstraction has 1235 states and 1447 transitions. [2019-10-13 21:20:20,604 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 21:20:20,605 INFO L276 IsEmpty]: Start isEmpty. Operand 1235 states and 1447 transitions. [2019-10-13 21:20:20,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-10-13 21:20:20,607 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:20,608 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-13 21:20:20,813 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:20:20,813 INFO L410 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:20,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:20,814 INFO L82 PathProgramCache]: Analyzing trace with hash -2014152922, now seen corresponding path program 1 times [2019-10-13 21:20:20,814 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:20,814 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786819106] [2019-10-13 21:20:20,814 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:20,814 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:20,814 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:20,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:20,920 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-13 21:20:20,920 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786819106] [2019-10-13 21:20:20,920 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:20,921 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 21:20:20,921 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000828376] [2019-10-13 21:20:20,922 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 21:20:20,922 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:20,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 21:20:20,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:20:20,923 INFO L87 Difference]: Start difference. First operand 1235 states and 1447 transitions. Second operand 9 states. [2019-10-13 21:20:20,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:20,991 INFO L93 Difference]: Finished difference Result 1647 states and 1924 transitions. [2019-10-13 21:20:20,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 21:20:20,991 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 157 [2019-10-13 21:20:20,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:20,993 INFO L225 Difference]: With dead ends: 1647 [2019-10-13 21:20:20,993 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:20:20,997 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:20:20,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:20:20,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:20:20,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:20:20,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:20:20,998 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2019-10-13 21:20:20,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:20,999 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:20:20,999 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 21:20:20,999 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:20:20,999 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:20:21,004 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:20:21,918 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 19 [2019-10-13 21:20:22,217 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 31 [2019-10-13 21:20:22,438 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 33 [2019-10-13 21:20:22,605 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 31 [2019-10-13 21:20:22,723 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 32 [2019-10-13 21:20:23,200 WARN L191 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 40 [2019-10-13 21:20:23,387 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 35 [2019-10-13 21:20:23,504 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 32 [2019-10-13 21:20:23,644 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 28 [2019-10-13 21:20:23,820 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 34 [2019-10-13 21:20:23,984 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 29 [2019-10-13 21:20:24,271 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 31 [2019-10-13 21:20:24,422 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 28 [2019-10-13 21:20:24,642 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 33 [2019-10-13 21:20:24,806 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 24 [2019-10-13 21:20:25,037 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 29 [2019-10-13 21:20:25,860 WARN L191 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 40 [2019-10-13 21:20:26,158 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 28 [2019-10-13 21:20:26,161 INFO L443 ceAbstractionStarter]: For program point L701(lines 701 705) no Hoare annotation was computed. [2019-10-13 21:20:26,161 INFO L443 ceAbstractionStarter]: For program point L701-1(lines 701 705) no Hoare annotation was computed. [2019-10-13 21:20:26,161 INFO L443 ceAbstractionStarter]: For program point L696(line 696) no Hoare annotation was computed. [2019-10-13 21:20:26,161 INFO L443 ceAbstractionStarter]: For program point L695-2(lines 695 716) no Hoare annotation was computed. [2019-10-13 21:20:26,161 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 670 725) no Hoare annotation was computed. [2019-10-13 21:20:26,161 INFO L443 ceAbstractionStarter]: For program point L717(lines 694 718) no Hoare annotation was computed. [2019-10-13 21:20:26,161 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 670 725) no Hoare annotation was computed. [2019-10-13 21:20:26,161 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 670 725) no Hoare annotation was computed. [2019-10-13 21:20:26,161 INFO L443 ceAbstractionStarter]: For program point L758(lines 758 762) no Hoare annotation was computed. [2019-10-13 21:20:26,161 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 726 785) no Hoare annotation was computed. [2019-10-13 21:20:26,161 INFO L443 ceAbstractionStarter]: For program point L758-1(lines 758 762) no Hoare annotation was computed. [2019-10-13 21:20:26,162 INFO L443 ceAbstractionStarter]: For program point L753(line 753) no Hoare annotation was computed. [2019-10-13 21:20:26,162 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 726 785) no Hoare annotation was computed. [2019-10-13 21:20:26,162 INFO L443 ceAbstractionStarter]: For program point L752-2(lines 752 777) no Hoare annotation was computed. [2019-10-13 21:20:26,162 INFO L443 ceAbstractionStarter]: For program point L778(lines 751 779) no Hoare annotation was computed. [2019-10-13 21:20:26,162 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 726 785) no Hoare annotation was computed. [2019-10-13 21:20:26,162 INFO L443 ceAbstractionStarter]: For program point L771(line 771) no Hoare annotation was computed. [2019-10-13 21:20:26,162 INFO L443 ceAbstractionStarter]: For program point L771-1(line 771) no Hoare annotation was computed. [2019-10-13 21:20:26,162 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 601 607) the Hoare annotation is: true [2019-10-13 21:20:26,162 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 601 607) no Hoare annotation was computed. [2019-10-13 21:20:26,162 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 608 616) no Hoare annotation was computed. [2019-10-13 21:20:26,163 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 608 616) the Hoare annotation is: true [2019-10-13 21:20:26,163 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 608 616) no Hoare annotation was computed. [2019-10-13 21:20:26,163 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 238 260) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:26,163 INFO L439 ceAbstractionStarter]: At program point L250(line 250) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:26,163 INFO L439 ceAbstractionStarter]: At program point L250-1(line 250) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:26,163 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 238 260) no Hoare annotation was computed. [2019-10-13 21:20:26,164 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 255) no Hoare annotation was computed. [2019-10-13 21:20:26,164 INFO L443 ceAbstractionStarter]: For program point L248-1(lines 248 255) no Hoare annotation was computed. [2019-10-13 21:20:26,164 INFO L443 ceAbstractionStarter]: For program point L246(line 246) no Hoare annotation was computed. [2019-10-13 21:20:26,164 INFO L439 ceAbstractionStarter]: At program point L245(line 245) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:26,164 INFO L439 ceAbstractionStarter]: At program point L244(line 244) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:26,164 INFO L439 ceAbstractionStarter]: At program point L244-1(line 244) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:26,165 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 238 260) no Hoare annotation was computed. [2019-10-13 21:20:26,165 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 193 216) no Hoare annotation was computed. [2019-10-13 21:20:26,165 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 193 216) no Hoare annotation was computed. [2019-10-13 21:20:26,165 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 193 216) no Hoare annotation was computed. [2019-10-13 21:20:26,165 INFO L443 ceAbstractionStarter]: For program point L211(line 211) no Hoare annotation was computed. [2019-10-13 21:20:26,165 INFO L443 ceAbstractionStarter]: For program point L210(line 210) no Hoare annotation was computed. [2019-10-13 21:20:26,165 INFO L443 ceAbstractionStarter]: For program point L209(line 209) no Hoare annotation was computed. [2019-10-13 21:20:26,165 INFO L443 ceAbstractionStarter]: For program point L208(line 208) no Hoare annotation was computed. [2019-10-13 21:20:26,165 INFO L443 ceAbstractionStarter]: For program point L207(line 207) no Hoare annotation was computed. [2019-10-13 21:20:26,166 INFO L443 ceAbstractionStarter]: For program point L206(line 206) no Hoare annotation was computed. [2019-10-13 21:20:26,166 INFO L443 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2019-10-13 21:20:26,166 INFO L443 ceAbstractionStarter]: For program point L204(line 204) no Hoare annotation was computed. [2019-10-13 21:20:26,166 INFO L443 ceAbstractionStarter]: For program point L203(line 203) no Hoare annotation was computed. [2019-10-13 21:20:26,166 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-10-13 21:20:26,166 INFO L443 ceAbstractionStarter]: For program point L201(line 201) no Hoare annotation was computed. [2019-10-13 21:20:26,166 INFO L443 ceAbstractionStarter]: For program point L200(line 200) no Hoare annotation was computed. [2019-10-13 21:20:26,167 INFO L443 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-10-13 21:20:26,167 INFO L443 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2019-10-13 21:20:26,167 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 398 406) no Hoare annotation was computed. [2019-10-13 21:20:26,167 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 398 406) the Hoare annotation is: true [2019-10-13 21:20:26,167 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 398 406) no Hoare annotation was computed. [2019-10-13 21:20:26,167 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 462 480) the Hoare annotation is: true [2019-10-13 21:20:26,167 INFO L443 ceAbstractionStarter]: For program point L471(lines 471 475) no Hoare annotation was computed. [2019-10-13 21:20:26,167 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 462 480) no Hoare annotation was computed. [2019-10-13 21:20:26,168 INFO L446 ceAbstractionStarter]: At program point L469(line 469) the Hoare annotation is: true [2019-10-13 21:20:26,168 INFO L443 ceAbstractionStarter]: For program point L471-2(lines 471 475) no Hoare annotation was computed. [2019-10-13 21:20:26,168 INFO L443 ceAbstractionStarter]: For program point L469-1(line 469) no Hoare annotation was computed. [2019-10-13 21:20:26,168 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 462 480) no Hoare annotation was computed. [2019-10-13 21:20:26,168 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 422) no Hoare annotation was computed. [2019-10-13 21:20:26,168 INFO L443 ceAbstractionStarter]: For program point L414-2(lines 414 422) no Hoare annotation was computed. [2019-10-13 21:20:26,168 INFO L443 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2019-10-13 21:20:26,168 INFO L443 ceAbstractionStarter]: For program point L437-1(line 437) no Hoare annotation was computed. [2019-10-13 21:20:26,168 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 407 442) no Hoare annotation was computed. [2019-10-13 21:20:26,169 INFO L443 ceAbstractionStarter]: For program point L426(lines 426 434) no Hoare annotation was computed. [2019-10-13 21:20:26,169 INFO L443 ceAbstractionStarter]: For program point L426-2(lines 426 434) no Hoare annotation was computed. [2019-10-13 21:20:26,169 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 407 442) no Hoare annotation was computed. [2019-10-13 21:20:26,169 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 407 442) no Hoare annotation was computed. [2019-10-13 21:20:26,169 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 594 600) no Hoare annotation was computed. [2019-10-13 21:20:26,169 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 594 600) the Hoare annotation is: true [2019-10-13 21:20:26,169 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 624 669) no Hoare annotation was computed. [2019-10-13 21:20:26,169 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 624 669) no Hoare annotation was computed. [2019-10-13 21:20:26,169 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 624 669) no Hoare annotation was computed. [2019-10-13 21:20:26,170 INFO L443 ceAbstractionStarter]: For program point L957(lines 957 964) no Hoare annotation was computed. [2019-10-13 21:20:26,170 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 937 982) no Hoare annotation was computed. [2019-10-13 21:20:26,170 INFO L443 ceAbstractionStarter]: For program point L951(lines 951 971) no Hoare annotation was computed. [2019-10-13 21:20:26,170 INFO L443 ceAbstractionStarter]: For program point L951-1(lines 951 971) no Hoare annotation was computed. [2019-10-13 21:20:26,170 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 937 982) no Hoare annotation was computed. [2019-10-13 21:20:26,170 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 937 982) no Hoare annotation was computed. [2019-10-13 21:20:26,170 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 225 234) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:26,170 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 225 234) no Hoare annotation was computed. [2019-10-13 21:20:26,171 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 225 234) no Hoare annotation was computed. [2019-10-13 21:20:26,171 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 387 397) the Hoare annotation is: true [2019-10-13 21:20:26,171 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 387 397) no Hoare annotation was computed. [2019-10-13 21:20:26,171 INFO L446 ceAbstractionStarter]: At program point L392(line 392) the Hoare annotation is: true [2019-10-13 21:20:26,171 INFO L443 ceAbstractionStarter]: For program point L392-1(line 392) no Hoare annotation was computed. [2019-10-13 21:20:26,171 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 387 397) no Hoare annotation was computed. [2019-10-13 21:20:26,171 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 379 386) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (= 0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3))) [2019-10-13 21:20:26,171 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 379 386) no Hoare annotation was computed. [2019-10-13 21:20:26,171 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 379 386) no Hoare annotation was computed. [2019-10-13 21:20:26,171 INFO L443 ceAbstractionStarter]: For program point L140(lines 140 146) no Hoare annotation was computed. [2019-10-13 21:20:26,171 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 136 149) no Hoare annotation was computed. [2019-10-13 21:20:26,172 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 136 149) the Hoare annotation is: true [2019-10-13 21:20:26,172 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 136 149) no Hoare annotation was computed. [2019-10-13 21:20:26,172 INFO L439 ceAbstractionStarter]: At program point L347(line 347) the Hoare annotation is: (let ((.cse5 (not (<= 2 ~waterLevel~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~waterLevel~0))) (.cse3 (= 0 |old(~pumpRunning~0)|)) (.cse6 (= ~pumpRunning~0 0)) (.cse1 (not (= ~systemActive~0 1))) (.cse7 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or .cse4 .cse5 .cse1) .cse6) (or .cse4 .cse1 .cse6 .cse7) (or (or .cse5 .cse1 .cse2) .cse6) (or .cse4 .cse0 .cse1 .cse3) (or .cse6 .cse1 .cse7 .cse2))) [2019-10-13 21:20:26,172 INFO L443 ceAbstractionStarter]: For program point L347-1(lines 328 352) no Hoare annotation was computed. [2019-10-13 21:20:26,172 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 328 352) no Hoare annotation was computed. [2019-10-13 21:20:26,172 INFO L439 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2019-10-13 21:20:26,172 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 328 352) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2019-10-13 21:20:26,172 INFO L439 ceAbstractionStarter]: At program point L338(line 338) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 1 processEnvironment_~tmp~2))) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse2) (or .cse4 .cse1 .cse2 .cse5) (or .cse3 .cse1 .cse2 .cse5))) [2019-10-13 21:20:26,173 INFO L443 ceAbstractionStarter]: For program point L336(lines 336 344) no Hoare annotation was computed. [2019-10-13 21:20:26,173 INFO L439 ceAbstractionStarter]: At program point L334(line 334) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= 1 ~waterLevel~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse3 .cse5) (or .cse1 .cse2 .cse3 .cse5) (or .cse0 .cse4 .cse2 .cse3))) [2019-10-13 21:20:26,173 INFO L443 ceAbstractionStarter]: For program point L334-1(line 334) no Hoare annotation was computed. [2019-10-13 21:20:26,173 INFO L443 ceAbstractionStarter]: For program point L332(lines 332 349) no Hoare annotation was computed. [2019-10-13 21:20:26,173 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 294 300) no Hoare annotation was computed. [2019-10-13 21:20:26,173 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 294 300) the Hoare annotation is: true [2019-10-13 21:20:26,173 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 516 581) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:26,173 INFO L439 ceAbstractionStarter]: At program point L574(lines 525 575) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:26,173 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 516 581) no Hoare annotation was computed. [2019-10-13 21:20:26,173 INFO L443 ceAbstractionStarter]: For program point L564(lines 564 568) no Hoare annotation was computed. [2019-10-13 21:20:26,174 INFO L439 ceAbstractionStarter]: At program point L564-2(lines 556 569) the Hoare annotation is: (let ((.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse2 (= 0 test_~splverifierCounter~0))) (or (and (and .cse0 .cse1 .cse2 .cse3) .cse4) (and .cse0 .cse5 .cse2 .cse6) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse2 .cse6 .cse4 .cse3) (and .cse0 .cse1 .cse5 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:20:26,174 INFO L443 ceAbstractionStarter]: For program point L527(lines 526 573) no Hoare annotation was computed. [2019-10-13 21:20:26,174 INFO L439 ceAbstractionStarter]: At program point L558(line 558) the Hoare annotation is: (let ((.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse2 (= 0 test_~splverifierCounter~0))) (or (and (and .cse0 .cse1 .cse2 .cse3) .cse4) (and .cse0 .cse5 .cse2 .cse6) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse2 .cse6 .cse4 .cse3) (and .cse0 .cse1 .cse5 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:20:26,174 INFO L443 ceAbstractionStarter]: For program point L556(lines 556 569) no Hoare annotation was computed. [2019-10-13 21:20:26,174 INFO L439 ceAbstractionStarter]: At program point L548(line 548) the Hoare annotation is: (let ((.cse4 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 test_~splverifierCounter~0))) (or (and (and .cse0 .cse1 .cse2 .cse3) .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse2 (<= 1 ~methaneLevelCritical~0) .cse4 .cse3) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:20:26,174 INFO L443 ceAbstractionStarter]: For program point L546(lines 546 552) no Hoare annotation was computed. [2019-10-13 21:20:26,174 INFO L443 ceAbstractionStarter]: For program point L546-1(lines 546 552) no Hoare annotation was computed. [2019-10-13 21:20:26,174 INFO L439 ceAbstractionStarter]: At program point L571(lines 526 573) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2) (and (and .cse0 .cse1 .cse2 .cse3) .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse2 (<= 1 ~methaneLevelCritical~0) .cse4 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:20:26,174 INFO L439 ceAbstractionStarter]: At program point L538(line 538) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse3 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2) (and (and (<= 1 ~methaneLevelCritical~0) (and .cse0 .cse2 .cse3)) (<= 1 ~waterLevel~0)) (and (and .cse0 .cse1 .cse2 .cse3) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:20:26,175 INFO L443 ceAbstractionStarter]: For program point L536(lines 536 542) no Hoare annotation was computed. [2019-10-13 21:20:26,175 INFO L443 ceAbstractionStarter]: For program point L536-1(lines 536 542) no Hoare annotation was computed. [2019-10-13 21:20:26,175 INFO L443 ceAbstractionStarter]: For program point L528(lines 528 532) no Hoare annotation was computed. [2019-10-13 21:20:26,175 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 516 581) no Hoare annotation was computed. [2019-10-13 21:20:26,175 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 891 936) no Hoare annotation was computed. [2019-10-13 21:20:26,175 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 891 936) no Hoare annotation was computed. [2019-10-13 21:20:26,175 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 891 936) no Hoare annotation was computed. [2019-10-13 21:20:26,175 INFO L443 ceAbstractionStarter]: For program point L911(lines 911 918) no Hoare annotation was computed. [2019-10-13 21:20:26,175 INFO L443 ceAbstractionStarter]: For program point L905(lines 905 925) no Hoare annotation was computed. [2019-10-13 21:20:26,175 INFO L443 ceAbstractionStarter]: For program point L905-1(lines 905 925) no Hoare annotation was computed. [2019-10-13 21:20:26,175 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 353 360) 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))) [2019-10-13 21:20:26,175 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 353 360) no Hoare annotation was computed. [2019-10-13 21:20:26,175 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 353 360) no Hoare annotation was computed. [2019-10-13 21:20:26,176 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 150 158) no Hoare annotation was computed. [2019-10-13 21:20:26,176 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 150 158) the Hoare annotation is: true [2019-10-13 21:20:26,176 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 150 158) no Hoare annotation was computed. [2019-10-13 21:20:26,176 INFO L443 ceAbstractionStarter]: For program point L112(lines 112 120) no Hoare annotation was computed. [2019-10-13 21:20:26,176 INFO L443 ceAbstractionStarter]: For program point L112-2(lines 112 120) no Hoare annotation was computed. [2019-10-13 21:20:26,176 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 104 126) no Hoare annotation was computed. [2019-10-13 21:20:26,176 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 104 126) no Hoare annotation was computed. [2019-10-13 21:20:26,176 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 104 126) no Hoare annotation was computed. [2019-10-13 21:20:26,176 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 584 593) no Hoare annotation was computed. [2019-10-13 21:20:26,176 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 584 593) no Hoare annotation was computed. [2019-10-13 21:20:26,176 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 584 593) no Hoare annotation was computed. [2019-10-13 21:20:26,176 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 788 890) no Hoare annotation was computed. [2019-10-13 21:20:26,176 INFO L443 ceAbstractionStarter]: For program point L853(line 853) no Hoare annotation was computed. [2019-10-13 21:20:26,176 INFO L443 ceAbstractionStarter]: For program point L853-1(line 853) no Hoare annotation was computed. [2019-10-13 21:20:26,177 INFO L443 ceAbstractionStarter]: For program point L812(lines 812 816) no Hoare annotation was computed. [2019-10-13 21:20:26,177 INFO L443 ceAbstractionStarter]: For program point L876(lines 876 887) no Hoare annotation was computed. [2019-10-13 21:20:26,177 INFO L443 ceAbstractionStarter]: For program point L839(lines 839 843) no Hoare annotation was computed. [2019-10-13 21:20:26,177 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 788 890) no Hoare annotation was computed. [2019-10-13 21:20:26,177 INFO L443 ceAbstractionStarter]: For program point L837-2(lines 837 857) no Hoare annotation was computed. [2019-10-13 21:20:26,177 INFO L443 ceAbstractionStarter]: For program point L858(lines 836 859) no Hoare annotation was computed. [2019-10-13 21:20:26,177 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 788 890) no Hoare annotation was computed. [2019-10-13 21:20:26,177 INFO L443 ceAbstractionStarter]: For program point L817(lines 817 833) no Hoare annotation was computed. [2019-10-13 21:20:26,177 INFO L443 ceAbstractionStarter]: For program point L877(lines 877 884) no Hoare annotation was computed. [2019-10-13 21:20:26,177 INFO L443 ceAbstractionStarter]: For program point L838(lines 837 857) no Hoare annotation was computed. [2019-10-13 21:20:26,177 INFO L443 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2019-10-13 21:20:26,177 INFO L443 ceAbstractionStarter]: For program point L869-1(line 869) no Hoare annotation was computed. [2019-10-13 21:20:26,177 INFO L443 ceAbstractionStarter]: For program point L834(lines 834 875) no Hoare annotation was computed. [2019-10-13 21:20:26,177 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:20:26,178 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)) [2019-10-13 21:20:26,178 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:20:26,178 INFO L443 ceAbstractionStarter]: For program point L369(lines 369 375) no Hoare annotation was computed. [2019-10-13 21:20:26,178 INFO L439 ceAbstractionStarter]: At program point L367(line 367) 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))) [2019-10-13 21:20:26,178 INFO L443 ceAbstractionStarter]: For program point L367-1(line 367) no Hoare annotation was computed. [2019-10-13 21:20:26,178 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 362 378) no Hoare annotation was computed. [2019-10-13 21:20:26,178 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 362 378) 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))) [2019-10-13 21:20:26,178 INFO L439 ceAbstractionStarter]: At program point L373(line 373) 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))) [2019-10-13 21:20:26,178 INFO L443 ceAbstractionStarter]: For program point L373-1(lines 362 378) no Hoare annotation was computed. [2019-10-13 21:20:26,179 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 127 135) no Hoare annotation was computed. [2019-10-13 21:20:26,179 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 127 135) no Hoare annotation was computed. [2019-10-13 21:20:26,179 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 127 135) no Hoare annotation was computed. [2019-10-13 21:20:26,179 INFO L443 ceAbstractionStarter]: For program point L450-1(line 450) no Hoare annotation was computed. [2019-10-13 21:20:26,179 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 443 461) no Hoare annotation was computed. [2019-10-13 21:20:26,179 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 443 461) the Hoare annotation is: true [2019-10-13 21:20:26,179 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 443 461) no Hoare annotation was computed. [2019-10-13 21:20:26,179 INFO L443 ceAbstractionStarter]: For program point L452(lines 452 456) no Hoare annotation was computed. [2019-10-13 21:20:26,179 INFO L446 ceAbstractionStarter]: At program point L450(line 450) the Hoare annotation is: true [2019-10-13 21:20:26,179 INFO L443 ceAbstractionStarter]: For program point L452-2(lines 452 456) no Hoare annotation was computed. [2019-10-13 21:20:26,179 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 83 94) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse4 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse5 (not (<= 2 ~waterLevel~0))) (.cse6 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 (or .cse5 .cse2 .cse4)) (or (or .cse6 .cse0 .cse5 .cse2) .cse7) (or .cse6 .cse0 .cse2 .cse7 .cse3))) [2019-10-13 21:20:26,180 INFO L443 ceAbstractionStarter]: For program point L87-1(lines 83 94) no Hoare annotation was computed. [2019-10-13 21:20:26,180 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2019-10-13 21:20:26,180 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:20:26,180 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:20:26,180 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:20:26,180 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 95 103) the Hoare annotation is: true [2019-10-13 21:20:26,180 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 95 103) no Hoare annotation was computed. [2019-10-13 21:20:26,180 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 95 103) no Hoare annotation was computed. [2019-10-13 21:20:26,180 INFO L439 ceAbstractionStarter]: At program point L283(line 283) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse9 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (or .cse0 .cse1 .cse5 .cse2) .cse6) (or (or .cse0 .cse5 .cse2) (and .cse7 .cse8)) (or (and .cse1 .cse7 .cse8) (or .cse5 .cse2 .cse9) (and .cse7 .cse6)) (or .cse1 .cse3 .cse2 .cse4 .cse9))) [2019-10-13 21:20:26,181 INFO L439 ceAbstractionStarter]: At program point L281(lines 281 287) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0))) (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse3 (and (= 1 ~waterLevel~0) .cse6)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse9 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (or .cse0 .cse5 .cse2) (and .cse6 .cse7) (and .cse1 .cse8 .cse6)) (or .cse7 (or .cse5 .cse2 .cse9) (and .cse8 .cse6)) (or .cse1 .cse3 .cse2 .cse4 .cse9) (or .cse1 .cse7 (not (<= 1 |old(~waterLevel~0)|)) .cse2 .cse9)))) [2019-10-13 21:20:26,181 INFO L439 ceAbstractionStarter]: At program point L276(line 276) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= 1 |old(~waterLevel~0)|))) (.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (<= 2 |old(~waterLevel~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse0 .cse4 .cse5 .cse2) (or .cse4 .cse5 .cse2 .cse6) (or .cse3 (or .cse1 .cse2 .cse6)))) [2019-10-13 21:20:26,181 INFO L443 ceAbstractionStarter]: For program point L274(lines 273 292) no Hoare annotation was computed. [2019-10-13 21:20:26,181 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 270 293) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0))) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 (or .cse0 .cse6 .cse2)) (or .cse1 .cse3 .cse2 .cse4 .cse7) (or .cse5 (or .cse6 .cse2 .cse7)))) [2019-10-13 21:20:26,181 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 270 293) no Hoare annotation was computed. [2019-10-13 21:20:26,181 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 270 293) no Hoare annotation was computed. [2019-10-13 21:20:26,181 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 162 191) no Hoare annotation was computed. [2019-10-13 21:20:26,181 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 162 191) the Hoare annotation is: true [2019-10-13 21:20:26,181 INFO L446 ceAbstractionStarter]: At program point L187(lines 162 191) the Hoare annotation is: true [2019-10-13 21:20:26,182 INFO L443 ceAbstractionStarter]: For program point L183(line 183) no Hoare annotation was computed. [2019-10-13 21:20:26,182 INFO L443 ceAbstractionStarter]: For program point L176(lines 176 180) no Hoare annotation was computed. [2019-10-13 21:20:26,182 INFO L446 ceAbstractionStarter]: At program point L176-1(lines 176 180) the Hoare annotation is: true [2019-10-13 21:20:26,182 INFO L443 ceAbstractionStarter]: For program point L173(line 173) no Hoare annotation was computed. [2019-10-13 21:20:26,182 INFO L446 ceAbstractionStarter]: At program point L172-2(lines 172 186) the Hoare annotation is: true [2019-10-13 21:20:26,182 INFO L446 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: true [2019-10-13 21:20:26,182 INFO L443 ceAbstractionStarter]: For program point L168-1(line 168) no Hoare annotation was computed. [2019-10-13 21:20:26,182 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 59 70) the Hoare annotation is: (let ((.cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (<= 2 |old(~waterLevel~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (= 0 ~pumpRunning~0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 (or .cse2 .cse3)) (or .cse0 .cse1 (or .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3)))) [2019-10-13 21:20:26,182 INFO L443 ceAbstractionStarter]: For program point L63-1(lines 59 70) no Hoare annotation was computed. [2019-10-13 21:20:26,182 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 59 70) no Hoare annotation was computed. [2019-10-13 21:20:26,183 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 217 223) no Hoare annotation was computed. [2019-10-13 21:20:26,183 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 217 223) the Hoare annotation is: true [2019-10-13 21:20:26,183 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:20:26,184 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-13 21:20:26,184 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:20:26,184 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:20:26,184 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 481 488) no Hoare annotation was computed. [2019-10-13 21:20:26,184 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 481 488) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~waterLevel~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= 1 ~systemActive~0)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse3 .cse2 .cse4 .cse5) (or .cse3 (or .cse6 .cse2 .cse5)) (or .cse3 (or .cse0 .cse6 .cse2)))) [2019-10-13 21:20:26,184 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 481 488) no Hoare annotation was computed. [2019-10-13 21:20:26,184 INFO L439 ceAbstractionStarter]: At program point L321(line 321) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2019-10-13 21:20:26,185 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 302 326) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~waterLevel~0 1))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (= ~pumpRunning~0 0))) (and (or (or .cse0 .cse1 .cse2 .cse3) .cse4) (or .cse0 .cse4 .cse2 .cse5 .cse3) (or .cse6 .cse0 .cse2 .cse4 .cse5) (or (or .cse6 .cse0 .cse1 .cse2) .cse4))) [2019-10-13 21:20:26,185 INFO L443 ceAbstractionStarter]: For program point L321-1(lines 302 326) no Hoare annotation was computed. [2019-10-13 21:20:26,185 INFO L439 ceAbstractionStarter]: At program point L316(line 316) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 ~waterLevel~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse2 .cse3 .cse1))) [2019-10-13 21:20:26,185 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 302 326) no Hoare annotation was computed. [2019-10-13 21:20:26,185 INFO L439 ceAbstractionStarter]: At program point L312(line 312) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (<= 2 ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 (not (<= 1 ~waterLevel~0)) .cse1 (and .cse2 .cse3)) (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse4) (or .cse3 (or .cse0 (not .cse2) .cse1 .cse4)))) [2019-10-13 21:20:26,185 INFO L443 ceAbstractionStarter]: For program point L310(lines 310 318) no Hoare annotation was computed. [2019-10-13 21:20:26,186 INFO L439 ceAbstractionStarter]: At program point L308(line 308) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~waterLevel~0 1))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (= ~pumpRunning~0 0))) (and (or (or .cse0 .cse1 .cse2 .cse3) .cse4) (or .cse0 .cse4 .cse2 .cse5 .cse3) (or .cse6 .cse0 .cse2 .cse4 .cse5) (or (or .cse6 .cse0 .cse1 .cse2) .cse4))) [2019-10-13 21:20:26,186 INFO L443 ceAbstractionStarter]: For program point L308-1(line 308) no Hoare annotation was computed. [2019-10-13 21:20:26,186 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 323) no Hoare annotation was computed. [2019-10-13 21:20:26,186 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2019-10-13 21:20:26,186 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 71 82) no Hoare annotation was computed. [2019-10-13 21:20:26,186 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 71 82) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (= 1 ~waterLevel~0)) (.cse5 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) (or .cse1 .cse2)) (or .cse3 .cse4 .cse1 .cse5 .cse2) (or .cse6 .cse0 (not (<= 1 |old(~waterLevel~0)|)) (or .cse3 .cse1)) (or .cse6 .cse3 .cse1 .cse4 .cse5))) [2019-10-13 21:20:26,186 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2019-10-13 21:20:26,187 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-13 21:20:26,187 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-10-13 21:20:26,187 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-10-13 21:20:26,187 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 490 514) the Hoare annotation is: true [2019-10-13 21:20:26,187 INFO L439 ceAbstractionStarter]: At program point L504(line 504) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or (not (<= 2 ~waterLevel~0)) .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3))) [2019-10-13 21:20:26,187 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 490 514) no Hoare annotation was computed. [2019-10-13 21:20:26,187 INFO L443 ceAbstractionStarter]: For program point L502(lines 502 508) no Hoare annotation was computed. [2019-10-13 21:20:26,188 INFO L439 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0 .cse1) (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~waterLevel~0)) .cse0 .cse1))) [2019-10-13 21:20:26,188 INFO L443 ceAbstractionStarter]: For program point L500-1(line 500) no Hoare annotation was computed. [2019-10-13 21:20:26,188 INFO L443 ceAbstractionStarter]: For program point L498(lines 498 511) no Hoare annotation was computed. [2019-10-13 21:20:26,188 INFO L443 ceAbstractionStarter]: For program point L498-1(lines 490 514) no Hoare annotation was computed. [2019-10-13 21:20:26,188 INFO L446 ceAbstractionStarter]: At program point L496(line 496) the Hoare annotation is: true [2019-10-13 21:20:26,188 INFO L443 ceAbstractionStarter]: For program point L496-1(line 496) no Hoare annotation was computed. [2019-10-13 21:20:26,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:20:26 BoogieIcfgContainer [2019-10-13 21:20:26,210 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:20:26,214 INFO L168 Benchmark]: Toolchain (without parser) took 18657.20 ms. Allocated memory was 145.2 MB in the beginning and 459.8 MB in the end (delta: 314.6 MB). Free memory was 100.9 MB in the beginning and 123.6 MB in the end (delta: -22.7 MB). Peak memory consumption was 327.4 MB. Max. memory is 7.1 GB. [2019-10-13 21:20:26,214 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 145.2 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-13 21:20:26,215 INFO L168 Benchmark]: CACSL2BoogieTranslator took 726.70 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 100.7 MB in the beginning and 168.6 MB in the end (delta: -68.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. [2019-10-13 21:20:26,216 INFO L168 Benchmark]: Boogie Preprocessor took 91.60 ms. Allocated memory is still 202.4 MB. Free memory was 168.6 MB in the beginning and 164.0 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-10-13 21:20:26,227 INFO L168 Benchmark]: RCFGBuilder took 1255.84 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 164.0 MB in the beginning and 193.8 MB in the end (delta: -29.8 MB). Peak memory consumption was 81.2 MB. Max. memory is 7.1 GB. [2019-10-13 21:20:26,228 INFO L168 Benchmark]: TraceAbstraction took 16574.53 ms. Allocated memory was 235.4 MB in the beginning and 459.8 MB in the end (delta: 224.4 MB). Free memory was 193.8 MB in the beginning and 123.6 MB in the end (delta: 70.2 MB). Peak memory consumption was 330.1 MB. Max. memory is 7.1 GB. [2019-10-13 21:20:26,236 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 145.2 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 726.70 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 100.7 MB in the beginning and 168.6 MB in the end (delta: -68.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 91.60 ms. Allocated memory is still 202.4 MB. Free memory was 168.6 MB in the beginning and 164.0 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1255.84 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 164.0 MB in the beginning and 193.8 MB in the end (delta: -29.8 MB). Peak memory consumption was 81.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16574.53 ms. Allocated memory was 235.4 MB in the beginning and 459.8 MB in the end (delta: 224.4 MB). Free memory was 193.8 MB in the beginning and 123.6 MB in the end (delta: 70.2 MB). Peak memory consumption was 330.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 162]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: ((((((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == splverifierCounter) || ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) && pumpRunning == 0) && 1 <= waterLevel)) || !(\old(systemActive) == 1)) || !(0 == \old(pumpRunning))) || ((((1 == systemActive && 0 == splverifierCounter) && 1 <= methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 246 locations, 1 error locations. Result: SAFE, OverallTime: 16.4s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 4.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.1s, HoareTripleCheckerStatistics: 2322 SDtfs, 1444 SDslu, 5003 SDs, 0 SdLazy, 2824 SolverSat, 588 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 990 GetRequests, 871 SyntacticMatches, 12 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1235occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 13 MinimizatonAttempts, 470 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 2258 PreInvPairs, 2335 NumberOfFragments, 2220 HoareAnnotationTreeSize, 2258 FomulaSimplifications, 9098 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 65 FomulaSimplificationsInter, 9344 FormulaSimplificationTreeSizeReductionInter, 4.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 1668 NumberOfCodeBlocks, 1668 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 2070 ConstructedInterpolants, 0 QuantifiedInterpolants, 419334 SizeOfPredicates, 15 NumberOfNonLiveVariables, 2604 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 19 InterpolantComputations, 13 PerfectInterpolantSequences, 255/275 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...