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 -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product50.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:05:44,324 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:05:44,326 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:05:44,338 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:05:44,339 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:05:44,340 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:05:44,341 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:05:44,343 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:05:44,345 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:05:44,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:05:44,347 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:05:44,348 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:05:44,348 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:05:44,349 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:05:44,350 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:05:44,351 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:05:44,352 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:05:44,353 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:05:44,354 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:05:44,356 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:05:44,358 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:05:44,359 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:05:44,360 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:05:44,361 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:05:44,365 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:05:44,366 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:05:44,366 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:05:44,367 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:05:44,367 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:05:44,368 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:05:44,369 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:05:44,370 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:05:44,370 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:05:44,372 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:05:44,375 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:05:44,375 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:05:44,377 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:05:44,377 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:05:44,377 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:05:44,379 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:05:44,382 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:05:44,384 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 [2019-09-20 13:05:44,406 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:05:44,406 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:05:44,408 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 13:05:44,408 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 13:05:44,409 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 13:05:44,409 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:05:44,409 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:05:44,409 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 13:05:44,410 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:05:44,410 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:05:44,411 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:05:44,411 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:05:44,411 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:05:44,412 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:05:44,412 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:05:44,412 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 13:05:44,412 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:05:44,413 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:05:44,413 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:05:44,413 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 13:05:44,413 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 13:05:44,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:05:44,414 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:05:44,414 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:05:44,414 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 13:05:44,414 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 13:05:44,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:05:44,415 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 13:05:44,415 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:05:44,451 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:05:44,463 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:05:44,467 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:05:44,468 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:05:44,469 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:05:44,469 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product50.cil.c [2019-09-20 13:05:44,534 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c0bb8ee3/ae96990a4ffb458e8a90a050dd182c69/FLAGe8ace1a4e [2019-09-20 13:05:45,099 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:05:45,102 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product50.cil.c [2019-09-20 13:05:45,123 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c0bb8ee3/ae96990a4ffb458e8a90a050dd182c69/FLAGe8ace1a4e [2019-09-20 13:05:45,388 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c0bb8ee3/ae96990a4ffb458e8a90a050dd182c69 [2019-09-20 13:05:45,399 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:05:45,400 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:05:45,401 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:05:45,402 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:05:45,406 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:05:45,407 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:05:45" (1/1) ... [2019-09-20 13:05:45,409 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e757327 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:45, skipping insertion in model container [2019-09-20 13:05:45,410 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:05:45" (1/1) ... [2019-09-20 13:05:45,416 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:05:45,485 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:05:45,961 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:05:45,976 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:05:46,105 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:05:46,148 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:05:46,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:46 WrapperNode [2019-09-20 13:05:46,148 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:05:46,149 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:05:46,149 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:05:46,149 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:05:46,161 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:46" (1/1) ... [2019-09-20 13:05:46,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:46" (1/1) ... [2019-09-20 13:05:46,181 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:46" (1/1) ... [2019-09-20 13:05:46,181 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:46" (1/1) ... [2019-09-20 13:05:46,209 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:46" (1/1) ... [2019-09-20 13:05:46,219 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:46" (1/1) ... [2019-09-20 13:05:46,224 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:46" (1/1) ... [2019-09-20 13:05:46,232 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:05:46,233 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:05:46,233 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:05:46,233 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:05:46,234 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:46" (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 [2019-09-20 13:05:46,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:05:46,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:05:46,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:05:46,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:05:46,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:05:46,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:05:46,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:05:46,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:05:46,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:05:46,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-09-20 13:05:46,294 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 13:05:46,294 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 13:05:46,295 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 13:05:46,295 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 13:05:46,296 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 13:05:46,296 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 13:05:46,298 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 13:05:46,298 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 13:05:46,299 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 13:05:46,299 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 13:05:46,299 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:05:46,300 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 13:05:46,300 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:05:46,300 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:05:46,300 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:05:46,300 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:05:46,302 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:05:46,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:05:46,302 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:05:46,302 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 13:05:46,302 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 13:05:46,303 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:05:46,303 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 13:05:46,303 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 13:05:46,303 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 13:05:46,303 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 13:05:46,303 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 13:05:46,304 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 13:05:46,304 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 13:05:46,304 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 13:05:46,304 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 13:05:46,305 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:05:46,305 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:05:46,305 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:05:46,305 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:05:46,305 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:05:46,305 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:05:46,306 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:05:46,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:05:46,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:05:46,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:05:46,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:05:46,306 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:05:46,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:05:46,307 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:05:46,307 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:05:46,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:05:46,307 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:05:46,308 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:05:46,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:05:46,308 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:05:46,308 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:05:46,309 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 13:05:46,309 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 13:05:46,309 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 13:05:46,309 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-09-20 13:05:46,309 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 13:05:46,310 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 13:05:46,310 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 13:05:46,310 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 13:05:46,311 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 13:05:46,311 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 13:05:46,311 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 13:05:46,311 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 13:05:46,312 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 13:05:46,312 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 13:05:46,312 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:05:46,312 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:05:46,313 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 13:05:46,313 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:05:46,313 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:05:46,313 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:05:46,314 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:05:46,314 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:05:46,314 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 13:05:46,314 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 13:05:46,314 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 13:05:46,314 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 13:05:46,315 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 13:05:46,315 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 13:05:46,316 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:05:46,316 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 13:05:46,316 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 13:05:46,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:05:46,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:05:46,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:05:47,434 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:05:47,435 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 13:05:47,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:05:47 BoogieIcfgContainer [2019-09-20 13:05:47,437 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:05:47,438 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:05:47,438 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:05:47,441 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:05:47,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:05:45" (1/3) ... [2019-09-20 13:05:47,443 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c7028ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:05:47, skipping insertion in model container [2019-09-20 13:05:47,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:46" (2/3) ... [2019-09-20 13:05:47,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c7028ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:05:47, skipping insertion in model container [2019-09-20 13:05:47,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:05:47" (3/3) ... [2019-09-20 13:05:47,446 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product50.cil.c [2019-09-20 13:05:47,456 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:05:47,466 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:05:47,483 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:05:47,516 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 13:05:47,517 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:05:47,518 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 13:05:47,518 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:05:47,518 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:05:47,518 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:05:47,518 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:05:47,519 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:05:47,519 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:05:47,543 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states. [2019-09-20 13:05:47,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-20 13:05:47,554 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:47,555 INFO L407 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] [2019-09-20 13:05:47,558 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:47,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:47,564 INFO L82 PathProgramCache]: Analyzing trace with hash 291336746, now seen corresponding path program 1 times [2019-09-20 13:05:47,566 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:47,567 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:47,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:47,624 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:47,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:47,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:47,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:47,980 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:47,981 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:05:47,985 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:05:48,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:05:48,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:05:48,004 INFO L87 Difference]: Start difference. First operand 184 states. Second operand 2 states. [2019-09-20 13:05:48,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:48,051 INFO L93 Difference]: Finished difference Result 276 states and 339 transitions. [2019-09-20 13:05:48,051 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:05:48,052 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-09-20 13:05:48,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:48,066 INFO L225 Difference]: With dead ends: 276 [2019-09-20 13:05:48,067 INFO L226 Difference]: Without dead ends: 138 [2019-09-20 13:05:48,072 INFO L636 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 [2019-09-20 13:05:48,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2019-09-20 13:05:48,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2019-09-20 13:05:48,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-09-20 13:05:48,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 161 transitions. [2019-09-20 13:05:48,154 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 161 transitions. Word has length 52 [2019-09-20 13:05:48,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:48,155 INFO L475 AbstractCegarLoop]: Abstraction has 138 states and 161 transitions. [2019-09-20 13:05:48,155 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:05:48,156 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 161 transitions. [2019-09-20 13:05:48,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-09-20 13:05:48,168 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:48,168 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:48,168 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:48,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:48,169 INFO L82 PathProgramCache]: Analyzing trace with hash -951540010, now seen corresponding path program 1 times [2019-09-20 13:05:48,169 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:48,169 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:48,173 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:48,173 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:48,173 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:48,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:48,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:48,305 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:48,305 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:05:48,307 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:05:48,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:05:48,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:05:48,308 INFO L87 Difference]: Start difference. First operand 138 states and 161 transitions. Second operand 3 states. [2019-09-20 13:05:48,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:48,333 INFO L93 Difference]: Finished difference Result 221 states and 257 transitions. [2019-09-20 13:05:48,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:05:48,333 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-09-20 13:05:48,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:48,336 INFO L225 Difference]: With dead ends: 221 [2019-09-20 13:05:48,336 INFO L226 Difference]: Without dead ends: 129 [2019-09-20 13:05:48,338 INFO L636 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 [2019-09-20 13:05:48,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2019-09-20 13:05:48,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2019-09-20 13:05:48,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2019-09-20 13:05:48,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 149 transitions. [2019-09-20 13:05:48,353 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 149 transitions. Word has length 53 [2019-09-20 13:05:48,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:48,354 INFO L475 AbstractCegarLoop]: Abstraction has 129 states and 149 transitions. [2019-09-20 13:05:48,354 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:05:48,354 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 149 transitions. [2019-09-20 13:05:48,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-09-20 13:05:48,359 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:48,359 INFO L407 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] [2019-09-20 13:05:48,359 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:48,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:48,359 INFO L82 PathProgramCache]: Analyzing trace with hash 1718267444, now seen corresponding path program 1 times [2019-09-20 13:05:48,360 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:48,360 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:48,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:48,363 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:48,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:48,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:48,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:48,489 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:48,489 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:05:48,489 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:05:48,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:05:48,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:05:48,490 INFO L87 Difference]: Start difference. First operand 129 states and 149 transitions. Second operand 7 states. [2019-09-20 13:05:48,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:48,852 INFO L93 Difference]: Finished difference Result 234 states and 275 transitions. [2019-09-20 13:05:48,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:05:48,853 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2019-09-20 13:05:48,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:48,855 INFO L225 Difference]: With dead ends: 234 [2019-09-20 13:05:48,855 INFO L226 Difference]: Without dead ends: 129 [2019-09-20 13:05:48,857 INFO L636 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 [2019-09-20 13:05:48,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2019-09-20 13:05:48,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2019-09-20 13:05:48,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2019-09-20 13:05:48,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 148 transitions. [2019-09-20 13:05:48,881 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 148 transitions. Word has length 58 [2019-09-20 13:05:48,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:48,882 INFO L475 AbstractCegarLoop]: Abstraction has 129 states and 148 transitions. [2019-09-20 13:05:48,882 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:05:48,882 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 148 transitions. [2019-09-20 13:05:48,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-09-20 13:05:48,884 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:48,885 INFO L407 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] [2019-09-20 13:05:48,885 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:48,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:48,886 INFO L82 PathProgramCache]: Analyzing trace with hash -625773272, now seen corresponding path program 1 times [2019-09-20 13:05:48,886 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:48,886 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:48,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:48,889 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:48,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:48,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:49,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:49,035 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:49,036 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:05:49,036 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:05:49,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:05:49,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:05:49,037 INFO L87 Difference]: Start difference. First operand 129 states and 148 transitions. Second operand 5 states. [2019-09-20 13:05:49,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:49,575 INFO L93 Difference]: Finished difference Result 345 states and 413 transitions. [2019-09-20 13:05:49,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:05:49,576 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2019-09-20 13:05:49,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:49,584 INFO L225 Difference]: With dead ends: 345 [2019-09-20 13:05:49,585 INFO L226 Difference]: Without dead ends: 240 [2019-09-20 13:05:49,588 INFO L636 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 [2019-09-20 13:05:49,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2019-09-20 13:05:49,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 221. [2019-09-20 13:05:49,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2019-09-20 13:05:49,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 251 transitions. [2019-09-20 13:05:49,635 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 251 transitions. Word has length 71 [2019-09-20 13:05:49,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:49,635 INFO L475 AbstractCegarLoop]: Abstraction has 221 states and 251 transitions. [2019-09-20 13:05:49,635 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:05:49,636 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 251 transitions. [2019-09-20 13:05:49,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-09-20 13:05:49,637 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:49,637 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:49,638 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:49,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:49,638 INFO L82 PathProgramCache]: Analyzing trace with hash 1888633043, now seen corresponding path program 1 times [2019-09-20 13:05:49,638 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:49,639 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:49,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:49,642 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:49,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:49,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:49,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:49,776 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:49,776 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:05:49,778 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:05:49,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:05:49,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:05:49,779 INFO L87 Difference]: Start difference. First operand 221 states and 251 transitions. Second operand 6 states. [2019-09-20 13:05:50,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:50,018 INFO L93 Difference]: Finished difference Result 538 states and 643 transitions. [2019-09-20 13:05:50,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:05:50,020 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2019-09-20 13:05:50,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:50,025 INFO L225 Difference]: With dead ends: 538 [2019-09-20 13:05:50,025 INFO L226 Difference]: Without dead ends: 341 [2019-09-20 13:05:50,027 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:05:50,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2019-09-20 13:05:50,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 337. [2019-09-20 13:05:50,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2019-09-20 13:05:50,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 389 transitions. [2019-09-20 13:05:50,077 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 389 transitions. Word has length 85 [2019-09-20 13:05:50,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:50,077 INFO L475 AbstractCegarLoop]: Abstraction has 337 states and 389 transitions. [2019-09-20 13:05:50,078 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:05:50,078 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 389 transitions. [2019-09-20 13:05:50,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-09-20 13:05:50,082 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:50,082 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:50,083 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:50,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:50,083 INFO L82 PathProgramCache]: Analyzing trace with hash 408582233, now seen corresponding path program 1 times [2019-09-20 13:05:50,083 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:50,084 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:50,087 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:50,087 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:50,088 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:50,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:50,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:50,302 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:50,302 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:05:50,302 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:05:50,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:05:50,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:05:50,303 INFO L87 Difference]: Start difference. First operand 337 states and 389 transitions. Second operand 6 states. [2019-09-20 13:05:50,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:50,549 INFO L93 Difference]: Finished difference Result 726 states and 872 transitions. [2019-09-20 13:05:50,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:05:50,550 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2019-09-20 13:05:50,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:50,556 INFO L225 Difference]: With dead ends: 726 [2019-09-20 13:05:50,556 INFO L226 Difference]: Without dead ends: 529 [2019-09-20 13:05:50,557 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:05:50,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2019-09-20 13:05:50,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 511. [2019-09-20 13:05:50,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 511 states. [2019-09-20 13:05:50,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 603 transitions. [2019-09-20 13:05:50,612 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 603 transitions. Word has length 89 [2019-09-20 13:05:50,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:50,613 INFO L475 AbstractCegarLoop]: Abstraction has 511 states and 603 transitions. [2019-09-20 13:05:50,613 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:05:50,613 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 603 transitions. [2019-09-20 13:05:50,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-09-20 13:05:50,615 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:50,616 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:50,616 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:50,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:50,616 INFO L82 PathProgramCache]: Analyzing trace with hash -514101350, now seen corresponding path program 1 times [2019-09-20 13:05:50,616 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:50,617 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:50,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:50,619 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:50,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:50,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:50,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:50,688 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:50,688 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:05:50,688 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:05:50,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:05:50,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:05:50,689 INFO L87 Difference]: Start difference. First operand 511 states and 603 transitions. Second operand 5 states. [2019-09-20 13:05:50,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:50,724 INFO L93 Difference]: Finished difference Result 892 states and 1074 transitions. [2019-09-20 13:05:50,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-20 13:05:50,725 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2019-09-20 13:05:50,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:50,728 INFO L225 Difference]: With dead ends: 892 [2019-09-20 13:05:50,728 INFO L226 Difference]: Without dead ends: 521 [2019-09-20 13:05:50,730 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:05:50,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2019-09-20 13:05:50,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 515. [2019-09-20 13:05:50,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 515 states. [2019-09-20 13:05:50,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 606 transitions. [2019-09-20 13:05:50,761 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 606 transitions. Word has length 89 [2019-09-20 13:05:50,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:50,761 INFO L475 AbstractCegarLoop]: Abstraction has 515 states and 606 transitions. [2019-09-20 13:05:50,761 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:05:50,762 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 606 transitions. [2019-09-20 13:05:50,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-09-20 13:05:50,763 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:50,764 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:50,764 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:50,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:50,764 INFO L82 PathProgramCache]: Analyzing trace with hash -1358106852, now seen corresponding path program 1 times [2019-09-20 13:05:50,764 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:50,765 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:50,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:50,767 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:50,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:50,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:50,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:50,860 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:50,861 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-20 13:05:50,861 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-20 13:05:50,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-20 13:05:50,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:05:50,862 INFO L87 Difference]: Start difference. First operand 515 states and 606 transitions. Second operand 9 states. [2019-09-20 13:05:50,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:50,949 INFO L93 Difference]: Finished difference Result 1012 states and 1214 transitions. [2019-09-20 13:05:50,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-20 13:05:50,950 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2019-09-20 13:05:50,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:50,956 INFO L225 Difference]: With dead ends: 1012 [2019-09-20 13:05:50,956 INFO L226 Difference]: Without dead ends: 521 [2019-09-20 13:05:50,958 INFO L636 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 [2019-09-20 13:05:50,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2019-09-20 13:05:50,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 515. [2019-09-20 13:05:50,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 515 states. [2019-09-20 13:05:50,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 604 transitions. [2019-09-20 13:05:50,988 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 604 transitions. Word has length 89 [2019-09-20 13:05:50,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:50,989 INFO L475 AbstractCegarLoop]: Abstraction has 515 states and 604 transitions. [2019-09-20 13:05:50,989 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-20 13:05:50,989 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 604 transitions. [2019-09-20 13:05:50,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-09-20 13:05:50,991 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:50,992 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:50,992 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:50,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:50,992 INFO L82 PathProgramCache]: Analyzing trace with hash -967187523, now seen corresponding path program 1 times [2019-09-20 13:05:50,992 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:50,993 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:50,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:50,994 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:50,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:51,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:51,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:51,100 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:51,101 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-20 13:05:51,101 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-20 13:05:51,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-20 13:05:51,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:05:51,102 INFO L87 Difference]: Start difference. First operand 515 states and 604 transitions. Second operand 10 states. [2019-09-20 13:05:51,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:51,375 INFO L93 Difference]: Finished difference Result 1012 states and 1190 transitions. [2019-09-20 13:05:51,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-20 13:05:51,375 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 90 [2019-09-20 13:05:51,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:51,380 INFO L225 Difference]: With dead ends: 1012 [2019-09-20 13:05:51,380 INFO L226 Difference]: Without dead ends: 521 [2019-09-20 13:05:51,382 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-09-20 13:05:51,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2019-09-20 13:05:51,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 500. [2019-09-20 13:05:51,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 500 states. [2019-09-20 13:05:51,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 569 transitions. [2019-09-20 13:05:51,417 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 569 transitions. Word has length 90 [2019-09-20 13:05:51,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:51,417 INFO L475 AbstractCegarLoop]: Abstraction has 500 states and 569 transitions. [2019-09-20 13:05:51,417 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-20 13:05:51,417 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 569 transitions. [2019-09-20 13:05:51,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-09-20 13:05:51,420 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:51,420 INFO L407 BasicCegarLoop]: trace histogram [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] [2019-09-20 13:05:51,421 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:51,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:51,421 INFO L82 PathProgramCache]: Analyzing trace with hash 890937388, now seen corresponding path program 1 times [2019-09-20 13:05:51,421 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:51,422 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:51,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:51,424 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:51,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:51,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:51,504 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-09-20 13:05:51,504 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:05:51,505 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:05:51,586 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:51,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:51,767 INFO L256 TraceCheckSpWp]: Trace formula consists of 871 conjuncts, 13 conjunts are in the unsatisfiable core [2019-09-20 13:05:51,784 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:05:52,081 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (2)] Exception during sending of exit command (exit): Stream closed [2019-09-20 13:05:52,090 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:05:52,090 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2019-09-20 13:05:52,091 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-09-20 13:05:52,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-09-20 13:05:52,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2019-09-20 13:05:52,092 INFO L87 Difference]: Start difference. First operand 500 states and 569 transitions. Second operand 12 states. [2019-09-20 13:05:54,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:54,113 INFO L93 Difference]: Finished difference Result 1380 states and 1692 transitions. [2019-09-20 13:05:54,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-09-20 13:05:54,114 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 140 [2019-09-20 13:05:54,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:54,119 INFO L225 Difference]: With dead ends: 1380 [2019-09-20 13:05:54,120 INFO L226 Difference]: Without dead ends: 976 [2019-09-20 13:05:54,122 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=128, Invalid=472, Unknown=0, NotChecked=0, Total=600 [2019-09-20 13:05:54,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 976 states. [2019-09-20 13:05:54,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 976 to 885. [2019-09-20 13:05:54,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 885 states. [2019-09-20 13:05:54,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1026 transitions. [2019-09-20 13:05:54,175 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1026 transitions. Word has length 140 [2019-09-20 13:05:54,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:54,179 INFO L475 AbstractCegarLoop]: Abstraction has 885 states and 1026 transitions. [2019-09-20 13:05:54,179 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-09-20 13:05:54,179 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1026 transitions. [2019-09-20 13:05:54,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-09-20 13:05:54,181 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:54,182 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:54,182 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:54,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:54,182 INFO L82 PathProgramCache]: Analyzing trace with hash -1533415760, now seen corresponding path program 1 times [2019-09-20 13:05:54,182 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:54,183 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:54,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:54,185 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:54,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:54,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:54,269 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-09-20 13:05:54,270 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:05:54,270 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:05:54,342 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:54,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:54,465 INFO L256 TraceCheckSpWp]: Trace formula consists of 863 conjuncts, 5 conjunts are in the unsatisfiable core [2019-09-20 13:05:54,471 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:05:54,527 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-09-20 13:05:54,540 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:05:54,541 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2019-09-20 13:05:54,541 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-20 13:05:54,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-20 13:05:54,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-09-20 13:05:54,542 INFO L87 Difference]: Start difference. First operand 885 states and 1026 transitions. Second operand 11 states. [2019-09-20 13:05:54,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:54,618 INFO L93 Difference]: Finished difference Result 1565 states and 1836 transitions. [2019-09-20 13:05:54,619 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:05:54,620 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 136 [2019-09-20 13:05:54,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:54,625 INFO L225 Difference]: With dead ends: 1565 [2019-09-20 13:05:54,626 INFO L226 Difference]: Without dead ends: 769 [2019-09-20 13:05:54,632 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-09-20 13:05:54,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2019-09-20 13:05:54,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 769. [2019-09-20 13:05:54,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 769 states. [2019-09-20 13:05:54,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 769 states and 887 transitions. [2019-09-20 13:05:54,687 INFO L78 Accepts]: Start accepts. Automaton has 769 states and 887 transitions. Word has length 136 [2019-09-20 13:05:54,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:54,691 INFO L475 AbstractCegarLoop]: Abstraction has 769 states and 887 transitions. [2019-09-20 13:05:54,692 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-20 13:05:54,692 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 887 transitions. [2019-09-20 13:05:54,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-09-20 13:05:54,697 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:54,697 INFO L407 BasicCegarLoop]: trace histogram [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] [2019-09-20 13:05:54,697 INFO L418 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:54,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:54,698 INFO L82 PathProgramCache]: Analyzing trace with hash -129105783, now seen corresponding path program 1 times [2019-09-20 13:05:54,698 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:54,699 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:54,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:54,702 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:54,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:54,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:54,829 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-09-20 13:05:54,830 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:05:54,830 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:05:54,905 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:55,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:55,021 INFO L256 TraceCheckSpWp]: Trace formula consists of 872 conjuncts, 22 conjunts are in the unsatisfiable core [2019-09-20 13:05:55,026 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:05:55,151 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-09-20 13:05:55,163 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-20 13:05:55,164 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 15 [2019-09-20 13:05:55,165 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-09-20 13:05:55,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-09-20 13:05:55,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2019-09-20 13:05:55,167 INFO L87 Difference]: Start difference. First operand 769 states and 887 transitions. Second operand 15 states. [2019-09-20 13:05:58,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:58,351 INFO L93 Difference]: Finished difference Result 2757 states and 3838 transitions. [2019-09-20 13:05:58,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2019-09-20 13:05:58,352 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 140 [2019-09-20 13:05:58,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:58,354 INFO L225 Difference]: With dead ends: 2757 [2019-09-20 13:05:58,355 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:05:58,369 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 443 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=349, Invalid=1543, Unknown=0, NotChecked=0, Total=1892 [2019-09-20 13:05:58,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:05:58,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:05:58,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:05:58,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:05:58,371 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 140 [2019-09-20 13:05:58,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:58,372 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:05:58,372 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-09-20 13:05:58,372 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:05:58,372 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:05:58,378 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-20 13:05:58,717 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 61 [2019-09-20 13:06:00,016 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 22 [2019-09-20 13:06:00,196 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 21 [2019-09-20 13:06:00,500 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 21 [2019-09-20 13:06:00,672 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 27 [2019-09-20 13:06:00,941 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 25 [2019-09-20 13:06:01,241 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 20 [2019-09-20 13:06:01,753 WARN L191 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 34 [2019-09-20 13:06:01,950 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 25 [2019-09-20 13:06:02,291 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 26 [2019-09-20 13:06:02,521 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 21 [2019-09-20 13:06:02,777 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 28 [2019-09-20 13:06:03,046 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 25 [2019-09-20 13:06:03,865 WARN L191 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 43 [2019-09-20 13:06:04,041 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 27 [2019-09-20 13:06:04,363 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 22 [2019-09-20 13:06:04,534 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 21 [2019-09-20 13:06:04,827 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 27 [2019-09-20 13:06:05,018 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 21 [2019-09-20 13:06:05,340 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 21 [2019-09-20 13:06:05,469 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 25 [2019-09-20 13:06:05,693 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 28 [2019-09-20 13:06:05,897 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 28 [2019-09-20 13:06:06,115 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 28 [2019-09-20 13:06:06,329 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 21 [2019-09-20 13:06:07,139 WARN L191 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 43 [2019-09-20 13:06:07,159 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2019-09-20 13:06:07,159 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2019-09-20 13:06:07,159 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-09-20 13:06:07,160 INFO L443 ceAbstractionStarter]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2019-09-20 13:06:07,160 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2019-09-20 13:06:07,160 INFO L443 ceAbstractionStarter]: For program point L139(lines 116 140) no Hoare annotation was computed. [2019-09-20 13:06:07,160 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2019-09-20 13:06:07,160 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2019-09-20 13:06:07,160 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-09-20 13:06:07,160 INFO L443 ceAbstractionStarter]: For program point L193-1(line 193) no Hoare annotation was computed. [2019-09-20 13:06:07,160 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2019-09-20 13:06:07,160 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2019-09-20 13:06:07,160 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2019-09-20 13:06:07,160 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-09-20 13:06:07,160 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2019-09-20 13:06:07,161 INFO L443 ceAbstractionStarter]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2019-09-20 13:06:07,161 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2019-09-20 13:06:07,161 INFO L443 ceAbstractionStarter]: For program point L200(lines 173 201) no Hoare annotation was computed. [2019-09-20 13:06:07,161 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 673 679) the Hoare annotation is: true [2019-09-20 13:06:07,161 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 673 679) no Hoare annotation was computed. [2019-09-20 13:06:07,161 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 680 688) no Hoare annotation was computed. [2019-09-20 13:06:07,161 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 680 688) the Hoare annotation is: true [2019-09-20 13:06:07,161 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 680 688) no Hoare annotation was computed. [2019-09-20 13:06:07,162 INFO L443 ceAbstractionStarter]: For program point L641(lines 641 648) no Hoare annotation was computed. [2019-09-20 13:06:07,162 INFO L443 ceAbstractionStarter]: For program point L641-1(lines 641 648) no Hoare annotation was computed. [2019-09-20 13:06:07,162 INFO L443 ceAbstractionStarter]: For program point L639(line 639) no Hoare annotation was computed. [2019-09-20 13:06:07,162 INFO L439 ceAbstractionStarter]: At program point L638(line 638) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:06:07,162 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 631 653) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:06:07,162 INFO L439 ceAbstractionStarter]: At program point L637(line 637) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:06:07,163 INFO L439 ceAbstractionStarter]: At program point L637-1(line 637) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:06:07,163 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 631 653) no Hoare annotation was computed. [2019-09-20 13:06:07,163 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 631 653) no Hoare annotation was computed. [2019-09-20 13:06:07,163 INFO L439 ceAbstractionStarter]: At program point L643(line 643) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= main_~tmp~4 1) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:06:07,163 INFO L439 ceAbstractionStarter]: At program point L643-1(line 643) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= main_~tmp~4 1) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:06:07,163 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 586 609) no Hoare annotation was computed. [2019-09-20 13:06:07,163 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 586 609) no Hoare annotation was computed. [2019-09-20 13:06:07,164 INFO L443 ceAbstractionStarter]: For program point L604(line 604) no Hoare annotation was computed. [2019-09-20 13:06:07,164 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 586 609) no Hoare annotation was computed. [2019-09-20 13:06:07,164 INFO L443 ceAbstractionStarter]: For program point L603(line 603) no Hoare annotation was computed. [2019-09-20 13:06:07,164 INFO L443 ceAbstractionStarter]: For program point L602(line 602) no Hoare annotation was computed. [2019-09-20 13:06:07,164 INFO L443 ceAbstractionStarter]: For program point L601(line 601) no Hoare annotation was computed. [2019-09-20 13:06:07,164 INFO L443 ceAbstractionStarter]: For program point L600(line 600) no Hoare annotation was computed. [2019-09-20 13:06:07,164 INFO L443 ceAbstractionStarter]: For program point L599(line 599) no Hoare annotation was computed. [2019-09-20 13:06:07,164 INFO L443 ceAbstractionStarter]: For program point L598(line 598) no Hoare annotation was computed. [2019-09-20 13:06:07,164 INFO L443 ceAbstractionStarter]: For program point L597(line 597) no Hoare annotation was computed. [2019-09-20 13:06:07,164 INFO L443 ceAbstractionStarter]: For program point L596(line 596) no Hoare annotation was computed. [2019-09-20 13:06:07,165 INFO L443 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2019-09-20 13:06:07,165 INFO L443 ceAbstractionStarter]: For program point L594(line 594) no Hoare annotation was computed. [2019-09-20 13:06:07,165 INFO L443 ceAbstractionStarter]: For program point L593(line 593) no Hoare annotation was computed. [2019-09-20 13:06:07,165 INFO L443 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2019-09-20 13:06:07,165 INFO L443 ceAbstractionStarter]: For program point L591(line 591) no Hoare annotation was computed. [2019-09-20 13:06:07,165 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 882 890) no Hoare annotation was computed. [2019-09-20 13:06:07,165 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 882 890) the Hoare annotation is: true [2019-09-20 13:06:07,165 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 882 890) no Hoare annotation was computed. [2019-09-20 13:06:07,165 INFO L443 ceAbstractionStarter]: For program point L955(lines 955 959) no Hoare annotation was computed. [2019-09-20 13:06:07,166 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 946 964) the Hoare annotation is: true [2019-09-20 13:06:07,166 INFO L446 ceAbstractionStarter]: At program point L953(line 953) the Hoare annotation is: true [2019-09-20 13:06:07,166 INFO L443 ceAbstractionStarter]: For program point L955-2(lines 955 959) no Hoare annotation was computed. [2019-09-20 13:06:07,166 INFO L443 ceAbstractionStarter]: For program point L953-1(line 953) no Hoare annotation was computed. [2019-09-20 13:06:07,166 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 946 964) no Hoare annotation was computed. [2019-09-20 13:06:07,166 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 946 964) no Hoare annotation was computed. [2019-09-20 13:06:07,166 INFO L443 ceAbstractionStarter]: For program point L898-2(lines 898 906) no Hoare annotation was computed. [2019-09-20 13:06:07,166 INFO L443 ceAbstractionStarter]: For program point L921(line 921) no Hoare annotation was computed. [2019-09-20 13:06:07,166 INFO L443 ceAbstractionStarter]: For program point L921-1(line 921) no Hoare annotation was computed. [2019-09-20 13:06:07,167 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 891 926) no Hoare annotation was computed. [2019-09-20 13:06:07,167 INFO L443 ceAbstractionStarter]: For program point L910(lines 910 918) no Hoare annotation was computed. [2019-09-20 13:06:07,167 INFO L443 ceAbstractionStarter]: For program point L910-2(lines 910 918) no Hoare annotation was computed. [2019-09-20 13:06:07,167 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 891 926) no Hoare annotation was computed. [2019-09-20 13:06:07,167 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 891 926) no Hoare annotation was computed. [2019-09-20 13:06:07,167 INFO L443 ceAbstractionStarter]: For program point L898(lines 898 906) no Hoare annotation was computed. [2019-09-20 13:06:07,167 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 666 672) no Hoare annotation was computed. [2019-09-20 13:06:07,167 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 666 672) the Hoare annotation is: true [2019-09-20 13:06:07,168 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2019-09-20 13:06:07,168 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2019-09-20 13:06:07,168 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2019-09-20 13:06:07,168 INFO L443 ceAbstractionStarter]: For program point L379(lines 379 386) no Hoare annotation was computed. [2019-09-20 13:06:07,168 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2019-09-20 13:06:07,168 INFO L443 ceAbstractionStarter]: For program point L373(lines 373 393) no Hoare annotation was computed. [2019-09-20 13:06:07,168 INFO L443 ceAbstractionStarter]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2019-09-20 13:06:07,168 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2019-09-20 13:06:07,168 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2019-09-20 13:06:07,169 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 618 627) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:06:07,169 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 618 627) no Hoare annotation was computed. [2019-09-20 13:06:07,169 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 618 627) no Hoare annotation was computed. [2019-09-20 13:06:07,169 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 871 881) no Hoare annotation was computed. [2019-09-20 13:06:07,169 INFO L443 ceAbstractionStarter]: For program point L876(line 876) no Hoare annotation was computed. [2019-09-20 13:06:07,169 INFO L443 ceAbstractionStarter]: For program point L876-1(line 876) no Hoare annotation was computed. [2019-09-20 13:06:07,169 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 871 881) no Hoare annotation was computed. [2019-09-20 13:06:07,169 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 871 881) no Hoare annotation was computed. [2019-09-20 13:06:07,169 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 863 870) the Hoare annotation is: (or (= ~pumpRunning~0 1) (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-09-20 13:06:07,170 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 863 870) no Hoare annotation was computed. [2019-09-20 13:06:07,170 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 863 870) no Hoare annotation was computed. [2019-09-20 13:06:07,170 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 529 542) no Hoare annotation was computed. [2019-09-20 13:06:07,170 INFO L443 ceAbstractionStarter]: For program point L533(lines 533 539) no Hoare annotation was computed. [2019-09-20 13:06:07,170 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 529 542) the Hoare annotation is: true [2019-09-20 13:06:07,170 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 529 542) no Hoare annotation was computed. [2019-09-20 13:06:07,170 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 830 854) no Hoare annotation was computed. [2019-09-20 13:06:07,170 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 830 854) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 0) .cse0))) [2019-09-20 13:06:07,171 INFO L439 ceAbstractionStarter]: At program point L849(line 849) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 0) .cse0) (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-09-20 13:06:07,171 INFO L443 ceAbstractionStarter]: For program point L849-1(lines 830 854) no Hoare annotation was computed. [2019-09-20 13:06:07,171 INFO L439 ceAbstractionStarter]: At program point L844(line 844) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) .cse0))) [2019-09-20 13:06:07,171 INFO L439 ceAbstractionStarter]: At program point L840(line 840) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) .cse0))) [2019-09-20 13:06:07,171 INFO L443 ceAbstractionStarter]: For program point L838(lines 838 846) no Hoare annotation was computed. [2019-09-20 13:06:07,171 INFO L439 ceAbstractionStarter]: At program point L836(line 836) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) .cse0))) [2019-09-20 13:06:07,172 INFO L443 ceAbstractionStarter]: For program point L836-1(line 836) no Hoare annotation was computed. [2019-09-20 13:06:07,172 INFO L443 ceAbstractionStarter]: For program point L834(lines 834 851) no Hoare annotation was computed. [2019-09-20 13:06:07,172 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 796 802) no Hoare annotation was computed. [2019-09-20 13:06:07,172 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 796 802) the Hoare annotation is: true [2019-09-20 13:06:07,172 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 700 765) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:06:07,172 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 700 765) no Hoare annotation was computed. [2019-09-20 13:06:07,172 INFO L439 ceAbstractionStarter]: At program point L758(lines 709 759) 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))) [2019-09-20 13:06:07,172 INFO L443 ceAbstractionStarter]: For program point L748(lines 748 752) no Hoare annotation was computed. [2019-09-20 13:06:07,173 INFO L439 ceAbstractionStarter]: At program point L748-2(lines 740 753) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (<= ~waterLevel~0 2))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 0)) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:06:07,173 INFO L443 ceAbstractionStarter]: For program point L711(lines 710 757) no Hoare annotation was computed. [2019-09-20 13:06:07,173 INFO L439 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (<= ~waterLevel~0 2))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 0)) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:06:07,173 INFO L443 ceAbstractionStarter]: For program point L740(lines 740 753) no Hoare annotation was computed. [2019-09-20 13:06:07,173 INFO L439 ceAbstractionStarter]: At program point L732(line 732) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (<= ~waterLevel~0 2))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 0)) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:06:07,173 INFO L443 ceAbstractionStarter]: For program point L730(lines 730 736) no Hoare annotation was computed. [2019-09-20 13:06:07,173 INFO L443 ceAbstractionStarter]: For program point L730-1(lines 730 736) no Hoare annotation was computed. [2019-09-20 13:06:07,174 INFO L439 ceAbstractionStarter]: At program point L755(lines 710 757) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) (< ~waterLevel~0 2)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (<= ~waterLevel~0 2) (= ~pumpRunning~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:06:07,174 INFO L439 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (<= ~waterLevel~0 2) (= ~pumpRunning~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~pumpRunning~0 0) (< ~waterLevel~0 2)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:06:07,174 INFO L443 ceAbstractionStarter]: For program point L720(lines 720 726) no Hoare annotation was computed. [2019-09-20 13:06:07,174 INFO L443 ceAbstractionStarter]: For program point L720-1(lines 720 726) no Hoare annotation was computed. [2019-09-20 13:06:07,174 INFO L443 ceAbstractionStarter]: For program point L712(lines 712 716) no Hoare annotation was computed. [2019-09-20 13:06:07,174 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 700 765) no Hoare annotation was computed. [2019-09-20 13:06:07,174 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2019-09-20 13:06:07,174 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2019-09-20 13:06:07,175 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2019-09-20 13:06:07,175 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 340) no Hoare annotation was computed. [2019-09-20 13:06:07,175 INFO L443 ceAbstractionStarter]: For program point L327(lines 327 347) no Hoare annotation was computed. [2019-09-20 13:06:07,175 INFO L443 ceAbstractionStarter]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2019-09-20 13:06:07,175 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 543 551) no Hoare annotation was computed. [2019-09-20 13:06:07,175 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 543 551) the Hoare annotation is: true [2019-09-20 13:06:07,175 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 543 551) no Hoare annotation was computed. [2019-09-20 13:06:07,175 INFO L443 ceAbstractionStarter]: For program point L505(lines 505 513) no Hoare annotation was computed. [2019-09-20 13:06:07,176 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 497 519) no Hoare annotation was computed. [2019-09-20 13:06:07,176 INFO L443 ceAbstractionStarter]: For program point L505-2(lines 505 513) no Hoare annotation was computed. [2019-09-20 13:06:07,176 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 497 519) no Hoare annotation was computed. [2019-09-20 13:06:07,176 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 497 519) no Hoare annotation was computed. [2019-09-20 13:06:07,176 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 297) no Hoare annotation was computed. [2019-09-20 13:06:07,176 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2019-09-20 13:06:07,176 INFO L443 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2019-09-20 13:06:07,176 INFO L443 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2019-09-20 13:06:07,177 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2019-09-20 13:06:07,177 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 309) no Hoare annotation was computed. [2019-09-20 13:06:07,177 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2019-09-20 13:06:07,177 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 265) no Hoare annotation was computed. [2019-09-20 13:06:07,177 INFO L443 ceAbstractionStarter]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2019-09-20 13:06:07,177 INFO L443 ceAbstractionStarter]: For program point L280(lines 258 281) no Hoare annotation was computed. [2019-09-20 13:06:07,177 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2019-09-20 13:06:07,177 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 255) no Hoare annotation was computed. [2019-09-20 13:06:07,177 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 306) no Hoare annotation was computed. [2019-09-20 13:06:07,178 INFO L443 ceAbstractionStarter]: For program point L260(lines 259 279) no Hoare annotation was computed. [2019-09-20 13:06:07,178 INFO L443 ceAbstractionStarter]: For program point L291(line 291) no Hoare annotation was computed. [2019-09-20 13:06:07,178 INFO L443 ceAbstractionStarter]: For program point L291-1(line 291) no Hoare annotation was computed. [2019-09-20 13:06:07,178 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 656 665) no Hoare annotation was computed. [2019-09-20 13:06:07,178 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 656 665) no Hoare annotation was computed. [2019-09-20 13:06:07,178 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 656 665) no Hoare annotation was computed. [2019-09-20 13:06:07,178 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:06:07,178 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2019-09-20 13:06:07,179 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:06:07,179 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 855 862) no Hoare annotation was computed. [2019-09-20 13:06:07,179 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 855 862) no Hoare annotation was computed. [2019-09-20 13:06:07,179 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 855 862) the Hoare annotation is: (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) (not (<= 2 ~waterLevel~0)) (not (= ~systemActive~0 1))) [2019-09-20 13:06:07,179 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 520 528) the Hoare annotation is: true [2019-09-20 13:06:07,179 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 520 528) no Hoare annotation was computed. [2019-09-20 13:06:07,179 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 520 528) no Hoare annotation was computed. [2019-09-20 13:06:07,179 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 927 945) no Hoare annotation was computed. [2019-09-20 13:06:07,180 INFO L443 ceAbstractionStarter]: For program point L936(lines 936 940) no Hoare annotation was computed. [2019-09-20 13:06:07,180 INFO L446 ceAbstractionStarter]: At program point L934(line 934) the Hoare annotation is: true [2019-09-20 13:06:07,180 INFO L443 ceAbstractionStarter]: For program point L936-2(lines 936 940) no Hoare annotation was computed. [2019-09-20 13:06:07,180 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 927 945) the Hoare annotation is: true [2019-09-20 13:06:07,180 INFO L443 ceAbstractionStarter]: For program point L934-1(line 934) no Hoare annotation was computed. [2019-09-20 13:06:07,180 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 927 945) no Hoare annotation was computed. [2019-09-20 13:06:07,180 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:06:07,180 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-09-20 13:06:07,180 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:06:07,181 INFO L443 ceAbstractionStarter]: For program point L480-1(lines 476 487) no Hoare annotation was computed. [2019-09-20 13:06:07,181 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 476 487) the Hoare annotation is: (let ((.cse5 (= |old(~methaneLevelCritical~0)| 0)) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= 0 ~methaneLevelCritical~0))) (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse6 (not .cse2)) (.cse7 (or (not (= 1 ~pumpRunning~0)) .cse3)) (.cse1 (not (<= ~waterLevel~0 2))) (.cse4 (not .cse5))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse1 .cse3) (or .cse7 .cse5 .cse1 .cse6) (or .cse7 .cse2 .cse1 .cse4)))) [2019-09-20 13:06:07,181 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 476 487) no Hoare annotation was computed. [2019-09-20 13:06:07,181 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 488 496) the Hoare annotation is: true [2019-09-20 13:06:07,181 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 488 496) no Hoare annotation was computed. [2019-09-20 13:06:07,181 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 488 496) no Hoare annotation was computed. [2019-09-20 13:06:07,182 INFO L439 ceAbstractionStarter]: At program point L785(line 785) the Hoare annotation is: (let ((.cse4 (not (= ~systemActive~0 1)))) (let ((.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (or (not (= 1 |old(~pumpRunning~0)|)) .cse4))) (and (or .cse0 .cse1 (and .cse2 (= ~pumpRunning~0 1) (< ~waterLevel~0 2))) (or .cse3 .cse1 (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 0) (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse4) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) (<= 1 ~waterLevel~0)) (or (or (not (< |old(~waterLevel~0)| 2)) .cse3 .cse4) .cse2) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (not (<= 1 |old(~waterLevel~0)|)) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|))))) [2019-09-20 13:06:07,182 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 772 795) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 1)))) (let ((.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (or (not (= 1 |old(~pumpRunning~0)|)) .cse5)) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 (and .cse1 (= ~pumpRunning~0 1) .cse2) .cse3) (or .cse4 .cse3 (and .cse1 (= ~pumpRunning~0 0) .cse2) .cse5) (or (or (not (< |old(~waterLevel~0)| 2)) .cse4 .cse5) .cse6) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse6)))) [2019-09-20 13:06:07,182 INFO L439 ceAbstractionStarter]: At program point L783(lines 783 789) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1)))) (let ((.cse3 (= ~pumpRunning~0 1)) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (or (not (= 1 |old(~pumpRunning~0)|)) .cse6))) (and (let ((.cse0 (<= ~waterLevel~0 1))) (or (and .cse0 .cse1) .cse2 (and .cse0 .cse3) .cse4)) (or .cse2 .cse4 .cse5) (or .cse2 .cse4 (not (<= 2 |old(~waterLevel~0)|)) (<= 1 ~waterLevel~0)) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 (<= 2 ~waterLevel~0) .cse3) .cse4 .cse6 (and .cse5 .cse1 (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0))) (or (not (<= |old(~waterLevel~0)| 1)) .cse2 (not (<= 1 |old(~waterLevel~0)|)) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|))))) [2019-09-20 13:06:07,182 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 772 795) no Hoare annotation was computed. [2019-09-20 13:06:07,182 INFO L439 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (or (not (= 1 |old(~pumpRunning~0)|)) .cse1))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse2 .cse0 (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0))) (or (<= ~waterLevel~0 |old(~waterLevel~0)|) (not (<= |old(~waterLevel~0)| 1)) .cse2)))) [2019-09-20 13:06:07,183 INFO L443 ceAbstractionStarter]: For program point L776(lines 775 794) no Hoare annotation was computed. [2019-09-20 13:06:07,183 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 772 795) no Hoare annotation was computed. [2019-09-20 13:06:07,183 INFO L443 ceAbstractionStarter]: For program point L576(line 576) no Hoare annotation was computed. [2019-09-20 13:06:07,183 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 555 584) no Hoare annotation was computed. [2019-09-20 13:06:07,183 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 555 584) the Hoare annotation is: true [2019-09-20 13:06:07,183 INFO L443 ceAbstractionStarter]: For program point L569(lines 569 573) no Hoare annotation was computed. [2019-09-20 13:06:07,183 INFO L446 ceAbstractionStarter]: At program point L569-1(lines 569 573) the Hoare annotation is: true [2019-09-20 13:06:07,183 INFO L443 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2019-09-20 13:06:07,183 INFO L446 ceAbstractionStarter]: At program point L565-2(lines 565 579) the Hoare annotation is: true [2019-09-20 13:06:07,184 INFO L446 ceAbstractionStarter]: At program point L561(line 561) the Hoare annotation is: true [2019-09-20 13:06:07,184 INFO L443 ceAbstractionStarter]: For program point L561-1(line 561) no Hoare annotation was computed. [2019-09-20 13:06:07,184 INFO L446 ceAbstractionStarter]: At program point L580(lines 555 584) the Hoare annotation is: true [2019-09-20 13:06:07,184 INFO L446 ceAbstractionStarter]: At program point L417(line 417) the Hoare annotation is: true [2019-09-20 13:06:07,184 INFO L443 ceAbstractionStarter]: For program point L417-1(line 417) no Hoare annotation was computed. [2019-09-20 13:06:07,184 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 410 442) no Hoare annotation was computed. [2019-09-20 13:06:07,184 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 410 442) the Hoare annotation is: true [2019-09-20 13:06:07,184 INFO L439 ceAbstractionStarter]: At program point L433(line 433) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 2)) (not (= 1 ~pumpRunning~0)) .cse0) (or (not (<= ~waterLevel~0 1)) (not (= 0 ~pumpRunning~0)) .cse0))) [2019-09-20 13:06:07,185 INFO L443 ceAbstractionStarter]: For program point L429(lines 429 435) no Hoare annotation was computed. [2019-09-20 13:06:07,185 INFO L439 ceAbstractionStarter]: At program point L427(line 427) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= ~waterLevel~0 1))) (.cse3 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or .cse2 .cse3 .cse1 (= ~methaneLevelCritical~0 __utac_acc__Specification3_spec__1_~tmp~3)) (or (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse1) (or .cse0 .cse3 .cse1))) [2019-09-20 13:06:07,185 INFO L443 ceAbstractionStarter]: For program point L427-1(line 427) no Hoare annotation was computed. [2019-09-20 13:06:07,185 INFO L443 ceAbstractionStarter]: For program point L425(lines 425 438) no Hoare annotation was computed. [2019-09-20 13:06:07,185 INFO L443 ceAbstractionStarter]: For program point L425-1(lines 410 442) no Hoare annotation was computed. [2019-09-20 13:06:07,185 INFO L439 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 __utac_acc__Specification3_spec__1_~tmp~3)) (.cse4 (not (<= ~waterLevel~0 2))) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse0 (not (<= ~waterLevel~0 1))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse2 .cse3) (or .cse6 .cse4 .cse5 .cse2) (or .cse0 .cse1 .cse6 .cse2))) [2019-09-20 13:06:07,185 INFO L443 ceAbstractionStarter]: For program point L423-1(line 423) no Hoare annotation was computed. [2019-09-20 13:06:07,186 INFO L443 ceAbstractionStarter]: For program point L419(lines 419 439) no Hoare annotation was computed. [2019-09-20 13:06:07,186 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 452 463) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= 1 ~pumpRunning~0)))) (and (or .cse0 (not (<= |old(~waterLevel~0)| 1)) (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (or .cse0 (and (<= ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= |old(~waterLevel~0)| 2)) .cse1))) [2019-09-20 13:06:07,186 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 452 463) no Hoare annotation was computed. [2019-09-20 13:06:07,186 INFO L443 ceAbstractionStarter]: For program point L456-1(lines 452 463) no Hoare annotation was computed. [2019-09-20 13:06:07,186 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 610 616) no Hoare annotation was computed. [2019-09-20 13:06:07,186 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 610 616) the Hoare annotation is: true [2019-09-20 13:06:07,186 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:06:07,186 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) (< ~waterLevel~0 2)) [2019-09-20 13:06:07,187 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-20 13:06:07,187 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:06:07,187 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 965 972) no Hoare annotation was computed. [2019-09-20 13:06:07,187 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 965 972) the Hoare annotation is: (let ((.cse2 (not (= |old(~systemActive~0)| 1))) (.cse1 (= 1 ~systemActive~0)) (.cse0 (not (<= ~waterLevel~0 2)))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1 .cse2) (or (or (not (= 1 ~pumpRunning~0)) .cse2) .cse1 .cse0))) [2019-09-20 13:06:07,187 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 965 972) no Hoare annotation was computed. [2019-09-20 13:06:07,187 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 804 828) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 0) .cse0))) [2019-09-20 13:06:07,187 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 804 828) no Hoare annotation was computed. [2019-09-20 13:06:07,188 INFO L439 ceAbstractionStarter]: At program point L823(line 823) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) .cse0))) [2019-09-20 13:06:07,188 INFO L443 ceAbstractionStarter]: For program point L823-1(lines 804 828) no Hoare annotation was computed. [2019-09-20 13:06:07,188 INFO L439 ceAbstractionStarter]: At program point L818(line 818) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) .cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6) (= ~pumpRunning~0 0) (< ~waterLevel~0 2))) (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-09-20 13:06:07,188 INFO L439 ceAbstractionStarter]: At program point L814(line 814) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (= 1 processEnvironment__wrappee__highWaterSensor_~tmp~6) (= ~pumpRunning~0 0)) (not (<= ~waterLevel~0 2)) .cse0) (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-09-20 13:06:07,188 INFO L443 ceAbstractionStarter]: For program point L812(lines 812 820) no Hoare annotation was computed. [2019-09-20 13:06:07,188 INFO L439 ceAbstractionStarter]: At program point L810(line 810) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 0) .cse0) (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-09-20 13:06:07,188 INFO L443 ceAbstractionStarter]: For program point L810-1(line 810) no Hoare annotation was computed. [2019-09-20 13:06:07,188 INFO L443 ceAbstractionStarter]: For program point L808(lines 808 825) no Hoare annotation was computed. [2019-09-20 13:06:07,189 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 464 475) no Hoare annotation was computed. [2019-09-20 13:06:07,189 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 464 475) the Hoare annotation is: (let ((.cse0 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse4 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse0)) (.cse3 (not (< |old(~waterLevel~0)| 2))) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or (and (<= ~waterLevel~0 2) .cse0) (not (<= |old(~waterLevel~0)| 2)) .cse1 .cse2) (or (or .cse3 (not (= 0 ~pumpRunning~0)) .cse2) .cse4) (or .cse4 (or .cse3 .cse1 .cse2))))) [2019-09-20 13:06:07,189 INFO L443 ceAbstractionStarter]: For program point L468-1(lines 464 475) no Hoare annotation was computed. [2019-09-20 13:06:07,189 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 690 697) no Hoare annotation was computed. [2019-09-20 13:06:07,189 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 694) no Hoare annotation was computed. [2019-09-20 13:06:07,189 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 690 697) the Hoare annotation is: true [2019-09-20 13:06:07,189 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 690 697) no Hoare annotation was computed. [2019-09-20 13:06:07,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:06:07 BoogieIcfgContainer [2019-09-20 13:06:07,204 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:06:07,206 INFO L168 Benchmark]: Toolchain (without parser) took 21805.16 ms. Allocated memory was 133.2 MB in the beginning and 570.4 MB in the end (delta: 437.3 MB). Free memory was 88.0 MB in the beginning and 351.4 MB in the end (delta: -263.4 MB). Peak memory consumption was 449.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:06:07,207 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 133.2 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-09-20 13:06:07,208 INFO L168 Benchmark]: CACSL2BoogieTranslator took 747.48 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 87.8 MB in the beginning and 161.6 MB in the end (delta: -73.9 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:06:07,208 INFO L168 Benchmark]: Boogie Preprocessor took 83.36 ms. Allocated memory is still 199.8 MB. Free memory was 161.6 MB in the beginning and 157.3 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:06:07,209 INFO L168 Benchmark]: RCFGBuilder took 1203.84 ms. Allocated memory was 199.8 MB in the beginning and 224.4 MB in the end (delta: 24.6 MB). Free memory was 157.3 MB in the beginning and 185.2 MB in the end (delta: -27.9 MB). Peak memory consumption was 86.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:06:07,210 INFO L168 Benchmark]: TraceAbstraction took 19766.24 ms. Allocated memory was 224.4 MB in the beginning and 570.4 MB in the end (delta: 346.0 MB). Free memory was 185.2 MB in the beginning and 351.4 MB in the end (delta: -166.2 MB). Peak memory consumption was 455.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:06:07,214 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 133.2 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 747.48 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 87.8 MB in the beginning and 161.6 MB in the end (delta: -73.9 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 83.36 ms. Allocated memory is still 199.8 MB. Free memory was 161.6 MB in the beginning and 157.3 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1203.84 ms. Allocated memory was 199.8 MB in the beginning and 224.4 MB in the end (delta: 24.6 MB). Free memory was 157.3 MB in the beginning and 185.2 MB in the end (delta: -27.9 MB). Peak memory consumption was 86.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19766.24 ms. Allocated memory was 224.4 MB in the beginning and 570.4 MB in the end (delta: 346.0 MB). Free memory was 185.2 MB in the beginning and 351.4 MB in the end (delta: -166.2 MB). Peak memory consumption was 455.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 694]: 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: 710]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && waterLevel < 2) || !(\old(systemActive) == 1)) || (((1 == systemActive && 0 == splverifierCounter) && waterLevel <= 2) && pumpRunning == 1)) || !(0 == \old(pumpRunning))) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 565]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 242 locations, 1 error locations. SAFE Result, 19.6s OverallTime, 12 OverallIterations, 2 TraceHistogramMax, 7.2s AutomataDifference, 0.0s DeadEndRemovalTime, 8.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 2068 SDtfs, 2263 SDslu, 6870 SDs, 0 SdLazy, 5247 SolverSat, 1270 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 585 GetRequests, 459 SyntacticMatches, 1 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 549 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=885occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 165 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 2595 PreInvPairs, 3176 NumberOfFragments, 1647 HoareAnnotationTreeSize, 2595 FomulaSimplifications, 13765 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 62 FomulaSimplificationsInter, 31711 FormulaSimplificationTreeSizeReductionInter, 7.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1508 NumberOfCodeBlocks, 1508 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1493 ConstructedInterpolants, 0 QuantifiedInterpolants, 258824 SizeOfPredicates, 13 NumberOfNonLiveVariables, 2606 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 136/150 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...