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_spec1_product53.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 06:06:29,407 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 06:06:29,409 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 06:06:29,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 06:06:29,420 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 06:06:29,421 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 06:06:29,423 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 06:06:29,424 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 06:06:29,426 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 06:06:29,427 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 06:06:29,428 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 06:06:29,429 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 06:06:29,429 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 06:06:29,430 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 06:06:29,431 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 06:06:29,432 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 06:06:29,433 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 06:06:29,434 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 06:06:29,435 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 06:06:29,437 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 06:06:29,438 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 06:06:29,439 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 06:06:29,440 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 06:06:29,441 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 06:06:29,443 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 06:06:29,443 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 06:06:29,443 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 06:06:29,444 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 06:06:29,444 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 06:06:29,445 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 06:06:29,446 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 06:06:29,448 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 06:06:29,449 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 06:06:29,450 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 06:06:29,451 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 06:06:29,451 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 06:06:29,452 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 06:06:29,452 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 06:06:29,452 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 06:06:29,455 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 06:06:29,455 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 06:06:29,456 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 [2019-09-08 06:06:29,478 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 06:06:29,478 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 06:06:29,479 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 06:06:29,479 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 06:06:29,480 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 06:06:29,480 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 06:06:29,480 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 06:06:29,481 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 06:06:29,481 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 06:06:29,481 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 06:06:29,482 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 06:06:29,482 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 06:06:29,482 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 06:06:29,483 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 06:06:29,483 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 06:06:29,483 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 06:06:29,483 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 06:06:29,484 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 06:06:29,484 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 06:06:29,484 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 06:06:29,484 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 06:06:29,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 06:06:29,485 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 06:06:29,485 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 06:06:29,485 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 06:06:29,485 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 06:06:29,486 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 06:06:29,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 06:06:29,486 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 06:06:29,534 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 06:06:29,549 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 06:06:29,554 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 06:06:29,555 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 06:06:29,555 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 06:06:29,556 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product53.cil.c [2019-09-08 06:06:29,616 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/292f74e94/c6fb8cec73254c41b86f3999b1b725a8/FLAG61e6ee8d2 [2019-09-08 06:06:30,216 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 06:06:30,217 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product53.cil.c [2019-09-08 06:06:30,230 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/292f74e94/c6fb8cec73254c41b86f3999b1b725a8/FLAG61e6ee8d2 [2019-09-08 06:06:30,537 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/292f74e94/c6fb8cec73254c41b86f3999b1b725a8 [2019-09-08 06:06:30,547 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 06:06:30,548 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 06:06:30,549 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 06:06:30,549 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 06:06:30,553 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 06:06:30,554 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:06:30" (1/1) ... [2019-09-08 06:06:30,556 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@744228c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:06:30, skipping insertion in model container [2019-09-08 06:06:30,556 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:06:30" (1/1) ... [2019-09-08 06:06:30,563 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 06:06:30,621 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 06:06:31,030 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 06:06:31,048 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 06:06:31,141 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 06:06:31,188 INFO L192 MainTranslator]: Completed translation [2019-09-08 06:06:31,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:06:31 WrapperNode [2019-09-08 06:06:31,189 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 06:06:31,189 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 06:06:31,189 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 06:06:31,190 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 06:06:31,200 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:06:31" (1/1) ... [2019-09-08 06:06:31,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:06:31" (1/1) ... [2019-09-08 06:06:31,218 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:06:31" (1/1) ... [2019-09-08 06:06:31,219 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:06:31" (1/1) ... [2019-09-08 06:06:31,248 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:06:31" (1/1) ... [2019-09-08 06:06:31,258 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:06:31" (1/1) ... [2019-09-08 06:06:31,263 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:06:31" (1/1) ... [2019-09-08 06:06:31,271 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 06:06:31,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 06:06:31,271 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 06:06:31,272 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 06:06:31,273 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:06:31" (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 [2019-09-08 06:06:31,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 06:06:31,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 06:06:31,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-08 06:06:31,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-08 06:06:31,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-08 06:06:31,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-08 06:06:31,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-08 06:06:31,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-08 06:06:31,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-08 06:06:31,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-08 06:06:31,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-08 06:06:31,336 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-08 06:06:31,337 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-08 06:06:31,337 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-08 06:06:31,338 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-08 06:06:31,338 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 06:06:31,340 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-08 06:06:31,341 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-08 06:06:31,341 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-08 06:06:31,341 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-08 06:06:31,341 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-08 06:06:31,342 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-08 06:06:31,342 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-08 06:06:31,342 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-08 06:06:31,342 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-08 06:06:31,343 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-08 06:06:31,344 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-08 06:06:31,344 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-08 06:06:31,344 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-08 06:06:31,344 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-08 06:06:31,344 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-08 06:06:31,344 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-08 06:06:31,345 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-08 06:06:31,345 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-08 06:06:31,345 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-08 06:06:31,345 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-08 06:06:31,345 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-08 06:06:31,345 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-08 06:06:31,346 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-08 06:06:31,346 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-08 06:06:31,346 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-08 06:06:31,346 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 06:06:31,347 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 06:06:31,347 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-08 06:06:31,347 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-08 06:06:31,347 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-08 06:06:31,347 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-08 06:06:31,347 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-08 06:06:31,347 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-08 06:06:31,348 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-08 06:06:31,348 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-08 06:06:31,348 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-08 06:06:31,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-08 06:06:31,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-08 06:06:31,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 06:06:31,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-08 06:06:31,349 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-08 06:06:31,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 06:06:31,349 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-08 06:06:31,349 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-08 06:06:31,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 06:06:31,349 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-08 06:06:31,349 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-08 06:06:31,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 06:06:31,350 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-08 06:06:31,350 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-08 06:06:31,350 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-08 06:06:31,350 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-08 06:06:31,351 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-08 06:06:31,351 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-08 06:06:31,351 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-08 06:06:31,351 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-08 06:06:31,351 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-08 06:06:31,351 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-08 06:06:31,352 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-08 06:06:31,352 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-08 06:06:31,352 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-08 06:06:31,353 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 06:06:31,353 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-08 06:06:31,353 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-08 06:06:31,353 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-08 06:06:31,353 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-08 06:06:31,354 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-08 06:06:31,354 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-08 06:06:31,354 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-08 06:06:31,354 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-08 06:06:31,354 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-08 06:06:31,355 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-08 06:06:31,355 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-08 06:06:31,356 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-08 06:06:31,356 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-08 06:06:31,356 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-08 06:06:31,357 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-08 06:06:31,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 06:06:31,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-08 06:06:31,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 06:06:32,413 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 06:06:32,413 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-08 06:06:32,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:06:32 BoogieIcfgContainer [2019-09-08 06:06:32,415 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 06:06:32,416 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 06:06:32,416 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 06:06:32,420 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 06:06:32,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 06:06:30" (1/3) ... [2019-09-08 06:06:32,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dca0dd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:06:32, skipping insertion in model container [2019-09-08 06:06:32,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:06:31" (2/3) ... [2019-09-08 06:06:32,423 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dca0dd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:06:32, skipping insertion in model container [2019-09-08 06:06:32,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:06:32" (3/3) ... [2019-09-08 06:06:32,425 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product53.cil.c [2019-09-08 06:06:32,435 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 06:06:32,445 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 06:06:32,462 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 06:06:32,502 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 06:06:32,502 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 06:06:32,503 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 06:06:32,503 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 06:06:32,503 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 06:06:32,503 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 06:06:32,503 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 06:06:32,504 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 06:06:32,504 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 06:06:32,529 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states. [2019-09-08 06:06:32,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-08 06:06:32,542 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:06:32,544 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:06:32,549 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:06:32,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:06:32,555 INFO L82 PathProgramCache]: Analyzing trace with hash 1737906003, now seen corresponding path program 1 times [2019-09-08 06:06:32,557 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:06:32,557 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:06:32,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:06:32,605 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:06:32,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:06:32,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:06:32,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:06:32,888 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:06:32,889 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-08 06:06:32,894 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-08 06:06:32,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-08 06:06:32,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-08 06:06:32,916 INFO L87 Difference]: Start difference. First operand 186 states. Second operand 2 states. [2019-09-08 06:06:32,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:06:32,994 INFO L93 Difference]: Finished difference Result 286 states and 357 transitions. [2019-09-08 06:06:32,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-08 06:06:33,002 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-09-08 06:06:33,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:06:33,020 INFO L225 Difference]: With dead ends: 286 [2019-09-08 06:06:33,020 INFO L226 Difference]: Without dead ends: 143 [2019-09-08 06:06:33,029 INFO L628 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 [2019-09-08 06:06:33,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2019-09-08 06:06:33,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2019-09-08 06:06:33,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2019-09-08 06:06:33,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 170 transitions. [2019-09-08 06:06:33,113 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 170 transitions. Word has length 46 [2019-09-08 06:06:33,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:06:33,114 INFO L475 AbstractCegarLoop]: Abstraction has 143 states and 170 transitions. [2019-09-08 06:06:33,114 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-08 06:06:33,114 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 170 transitions. [2019-09-08 06:06:33,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-08 06:06:33,125 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:06:33,126 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:06:33,126 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:06:33,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:06:33,127 INFO L82 PathProgramCache]: Analyzing trace with hash 1744597296, now seen corresponding path program 1 times [2019-09-08 06:06:33,127 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:06:33,128 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:06:33,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:06:33,129 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:06:33,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:06:33,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:06:33,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:06:33,262 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:06:33,262 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 06:06:33,264 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 06:06:33,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 06:06:33,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 06:06:33,265 INFO L87 Difference]: Start difference. First operand 143 states and 170 transitions. Second operand 3 states. [2019-09-08 06:06:33,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:06:33,301 INFO L93 Difference]: Finished difference Result 235 states and 279 transitions. [2019-09-08 06:06:33,303 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 06:06:33,303 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-09-08 06:06:33,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:06:33,307 INFO L225 Difference]: With dead ends: 235 [2019-09-08 06:06:33,308 INFO L226 Difference]: Without dead ends: 134 [2019-09-08 06:06:33,311 INFO L628 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 [2019-09-08 06:06:33,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2019-09-08 06:06:33,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2019-09-08 06:06:33,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-09-08 06:06:33,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 158 transitions. [2019-09-08 06:06:33,337 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 158 transitions. Word has length 47 [2019-09-08 06:06:33,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:06:33,337 INFO L475 AbstractCegarLoop]: Abstraction has 134 states and 158 transitions. [2019-09-08 06:06:33,337 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 06:06:33,338 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 158 transitions. [2019-09-08 06:06:33,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-08 06:06:33,342 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:06:33,343 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:06:33,343 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:06:33,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:06:33,343 INFO L82 PathProgramCache]: Analyzing trace with hash 1316795497, now seen corresponding path program 1 times [2019-09-08 06:06:33,344 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:06:33,344 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:06:33,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:06:33,345 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:06:33,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:06:33,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:06:33,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:06:33,485 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:06:33,485 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 06:06:33,485 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 06:06:33,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 06:06:33,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 06:06:33,486 INFO L87 Difference]: Start difference. First operand 134 states and 158 transitions. Second operand 3 states. [2019-09-08 06:06:33,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:06:33,504 INFO L93 Difference]: Finished difference Result 244 states and 293 transitions. [2019-09-08 06:06:33,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 06:06:33,507 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2019-09-08 06:06:33,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:06:33,512 INFO L225 Difference]: With dead ends: 244 [2019-09-08 06:06:33,512 INFO L226 Difference]: Without dead ends: 134 [2019-09-08 06:06:33,513 INFO L628 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 [2019-09-08 06:06:33,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2019-09-08 06:06:33,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2019-09-08 06:06:33,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-09-08 06:06:33,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 157 transitions. [2019-09-08 06:06:33,536 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 157 transitions. Word has length 51 [2019-09-08 06:06:33,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:06:33,536 INFO L475 AbstractCegarLoop]: Abstraction has 134 states and 157 transitions. [2019-09-08 06:06:33,536 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 06:06:33,536 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 157 transitions. [2019-09-08 06:06:33,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-09-08 06:06:33,538 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:06:33,538 INFO L399 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] [2019-09-08 06:06:33,539 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:06:33,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:06:33,539 INFO L82 PathProgramCache]: Analyzing trace with hash 1654731465, now seen corresponding path program 1 times [2019-09-08 06:06:33,539 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:06:33,539 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:06:33,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:06:33,540 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:06:33,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:06:33,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:06:33,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:06:33,637 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:06:33,637 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 06:06:33,638 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 06:06:33,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 06:06:33,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 06:06:33,639 INFO L87 Difference]: Start difference. First operand 134 states and 157 transitions. Second operand 5 states. [2019-09-08 06:06:34,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:06:34,249 INFO L93 Difference]: Finished difference Result 346 states and 421 transitions. [2019-09-08 06:06:34,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 06:06:34,251 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2019-09-08 06:06:34,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:06:34,256 INFO L225 Difference]: With dead ends: 346 [2019-09-08 06:06:34,257 INFO L226 Difference]: Without dead ends: 236 [2019-09-08 06:06:34,258 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-09-08 06:06:34,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2019-09-08 06:06:34,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 218. [2019-09-08 06:06:34,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2019-09-08 06:06:34,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 248 transitions. [2019-09-08 06:06:34,305 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 248 transitions. Word has length 69 [2019-09-08 06:06:34,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:06:34,306 INFO L475 AbstractCegarLoop]: Abstraction has 218 states and 248 transitions. [2019-09-08 06:06:34,306 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 06:06:34,308 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 248 transitions. [2019-09-08 06:06:34,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-09-08 06:06:34,311 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:06:34,311 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:06:34,314 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:06:34,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:06:34,315 INFO L82 PathProgramCache]: Analyzing trace with hash -1727174811, now seen corresponding path program 1 times [2019-09-08 06:06:34,315 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:06:34,316 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:06:34,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:06:34,319 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:06:34,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:06:34,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:06:34,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:06:34,460 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:06:34,460 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 06:06:34,462 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 06:06:34,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 06:06:34,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 06:06:34,464 INFO L87 Difference]: Start difference. First operand 218 states and 248 transitions. Second operand 6 states. [2019-09-08 06:06:34,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:06:34,676 INFO L93 Difference]: Finished difference Result 591 states and 694 transitions. [2019-09-08 06:06:34,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-08 06:06:34,677 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2019-09-08 06:06:34,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:06:34,681 INFO L225 Difference]: With dead ends: 591 [2019-09-08 06:06:34,681 INFO L226 Difference]: Without dead ends: 397 [2019-09-08 06:06:34,682 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-08 06:06:34,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2019-09-08 06:06:34,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 391. [2019-09-08 06:06:34,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 391 states. [2019-09-08 06:06:34,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 446 transitions. [2019-09-08 06:06:34,721 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 446 transitions. Word has length 83 [2019-09-08 06:06:34,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:06:34,722 INFO L475 AbstractCegarLoop]: Abstraction has 391 states and 446 transitions. [2019-09-08 06:06:34,723 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 06:06:34,723 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 446 transitions. [2019-09-08 06:06:34,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-09-08 06:06:34,725 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:06:34,725 INFO L399 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] [2019-09-08 06:06:34,725 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:06:34,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:06:34,726 INFO L82 PathProgramCache]: Analyzing trace with hash -1108418135, now seen corresponding path program 1 times [2019-09-08 06:06:34,726 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:06:34,726 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:06:34,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:06:34,728 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:06:34,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:06:34,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:06:34,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:06:34,875 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:06:34,875 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 06:06:34,875 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 06:06:34,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 06:06:34,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-08 06:06:34,876 INFO L87 Difference]: Start difference. First operand 391 states and 446 transitions. Second operand 7 states. [2019-09-08 06:06:35,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:06:35,484 INFO L93 Difference]: Finished difference Result 424 states and 496 transitions. [2019-09-08 06:06:35,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-08 06:06:35,485 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 87 [2019-09-08 06:06:35,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:06:35,492 INFO L225 Difference]: With dead ends: 424 [2019-09-08 06:06:35,492 INFO L226 Difference]: Without dead ends: 421 [2019-09-08 06:06:35,494 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-09-08 06:06:35,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2019-09-08 06:06:35,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 391. [2019-09-08 06:06:35,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 391 states. [2019-09-08 06:06:35,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 445 transitions. [2019-09-08 06:06:35,538 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 445 transitions. Word has length 87 [2019-09-08 06:06:35,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:06:35,538 INFO L475 AbstractCegarLoop]: Abstraction has 391 states and 445 transitions. [2019-09-08 06:06:35,539 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 06:06:35,539 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 445 transitions. [2019-09-08 06:06:35,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-09-08 06:06:35,540 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:06:35,540 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:06:35,541 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:06:35,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:06:35,541 INFO L82 PathProgramCache]: Analyzing trace with hash 661895326, now seen corresponding path program 1 times [2019-09-08 06:06:35,541 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:06:35,541 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:06:35,544 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:06:35,544 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:06:35,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:06:35,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:06:35,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:06:35,670 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:06:35,670 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 06:06:35,671 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 06:06:35,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 06:06:35,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 06:06:35,672 INFO L87 Difference]: Start difference. First operand 391 states and 445 transitions. Second operand 6 states. [2019-09-08 06:06:35,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:06:35,724 INFO L93 Difference]: Finished difference Result 768 states and 888 transitions. [2019-09-08 06:06:35,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 06:06:35,725 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2019-09-08 06:06:35,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:06:35,729 INFO L225 Difference]: With dead ends: 768 [2019-09-08 06:06:35,730 INFO L226 Difference]: Without dead ends: 401 [2019-09-08 06:06:35,731 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-08 06:06:35,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2019-09-08 06:06:35,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401. [2019-09-08 06:06:35,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2019-09-08 06:06:35,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 455 transitions. [2019-09-08 06:06:35,773 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 455 transitions. Word has length 88 [2019-09-08 06:06:35,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:06:35,774 INFO L475 AbstractCegarLoop]: Abstraction has 401 states and 455 transitions. [2019-09-08 06:06:35,774 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 06:06:35,774 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 455 transitions. [2019-09-08 06:06:35,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-09-08 06:06:35,776 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:06:35,776 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:06:35,776 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:06:35,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:06:35,777 INFO L82 PathProgramCache]: Analyzing trace with hash 936654940, now seen corresponding path program 1 times [2019-09-08 06:06:35,777 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:06:35,777 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:06:35,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:06:35,778 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:06:35,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:06:35,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:06:35,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:06:35,912 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:06:35,912 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-08 06:06:35,912 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-08 06:06:35,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-08 06:06:35,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-08 06:06:35,913 INFO L87 Difference]: Start difference. First operand 401 states and 455 transitions. Second operand 8 states. [2019-09-08 06:06:35,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:06:35,960 INFO L93 Difference]: Finished difference Result 792 states and 924 transitions. [2019-09-08 06:06:35,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-08 06:06:35,965 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 88 [2019-09-08 06:06:35,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:06:35,969 INFO L225 Difference]: With dead ends: 792 [2019-09-08 06:06:35,969 INFO L226 Difference]: Without dead ends: 415 [2019-09-08 06:06:35,973 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-08 06:06:35,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2019-09-08 06:06:36,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 409. [2019-09-08 06:06:36,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2019-09-08 06:06:36,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 463 transitions. [2019-09-08 06:06:36,006 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 463 transitions. Word has length 88 [2019-09-08 06:06:36,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:06:36,006 INFO L475 AbstractCegarLoop]: Abstraction has 409 states and 463 transitions. [2019-09-08 06:06:36,006 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-08 06:06:36,007 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 463 transitions. [2019-09-08 06:06:36,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-09-08 06:06:36,010 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:06:36,010 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:06:36,010 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:06:36,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:06:36,011 INFO L82 PathProgramCache]: Analyzing trace with hash -1408012101, now seen corresponding path program 1 times [2019-09-08 06:06:36,011 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:06:36,011 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:06:36,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:06:36,012 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:06:36,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:06:36,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:06:36,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:06:36,112 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:06:36,112 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-08 06:06:36,112 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-08 06:06:36,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-08 06:06:36,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-08 06:06:36,113 INFO L87 Difference]: Start difference. First operand 409 states and 463 transitions. Second operand 4 states. [2019-09-08 06:06:36,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:06:36,442 INFO L93 Difference]: Finished difference Result 1241 states and 1482 transitions. [2019-09-08 06:06:36,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-08 06:06:36,445 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 88 [2019-09-08 06:06:36,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:06:36,452 INFO L225 Difference]: With dead ends: 1241 [2019-09-08 06:06:36,452 INFO L226 Difference]: Without dead ends: 856 [2019-09-08 06:06:36,455 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-08 06:06:36,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2019-09-08 06:06:36,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 543. [2019-09-08 06:06:36,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 543 states. [2019-09-08 06:06:36,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 610 transitions. [2019-09-08 06:06:36,497 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 610 transitions. Word has length 88 [2019-09-08 06:06:36,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:06:36,498 INFO L475 AbstractCegarLoop]: Abstraction has 543 states and 610 transitions. [2019-09-08 06:06:36,498 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-08 06:06:36,498 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 610 transitions. [2019-09-08 06:06:36,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-09-08 06:06:36,502 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:06:36,502 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:06:36,502 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:06:36,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:06:36,503 INFO L82 PathProgramCache]: Analyzing trace with hash 350479285, now seen corresponding path program 1 times [2019-09-08 06:06:36,503 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:06:36,503 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:06:36,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:06:36,505 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:06:36,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:06:36,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 06:06:37,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 06:06:37,312 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-08 06:06:37,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 06:06:37 BoogieIcfgContainer [2019-09-08 06:06:37,471 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 06:06:37,474 INFO L168 Benchmark]: Toolchain (without parser) took 6924.88 ms. Allocated memory was 135.8 MB in the beginning and 306.7 MB in the end (delta: 170.9 MB). Free memory was 89.6 MB in the beginning and 176.1 MB in the end (delta: -86.5 MB). Peak memory consumption was 177.1 MB. Max. memory is 7.1 GB. [2019-09-08 06:06:37,475 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 135.8 MB. Free memory was 109.0 MB in the beginning and 108.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-08 06:06:37,476 INFO L168 Benchmark]: CACSL2BoogieTranslator took 639.83 ms. Allocated memory was 135.8 MB in the beginning and 201.9 MB in the end (delta: 66.1 MB). Free memory was 89.4 MB in the beginning and 166.2 MB in the end (delta: -76.8 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. [2019-09-08 06:06:37,477 INFO L168 Benchmark]: Boogie Preprocessor took 81.61 ms. Allocated memory is still 201.9 MB. Free memory was 166.2 MB in the beginning and 161.6 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-09-08 06:06:37,478 INFO L168 Benchmark]: RCFGBuilder took 1143.55 ms. Allocated memory was 201.9 MB in the beginning and 231.7 MB in the end (delta: 29.9 MB). Free memory was 161.6 MB in the beginning and 191.6 MB in the end (delta: -30.0 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. [2019-09-08 06:06:37,479 INFO L168 Benchmark]: TraceAbstraction took 5055.58 ms. Allocated memory was 231.7 MB in the beginning and 306.7 MB in the end (delta: 75.0 MB). Free memory was 191.6 MB in the beginning and 176.1 MB in the end (delta: 15.5 MB). Peak memory consumption was 183.2 MB. Max. memory is 7.1 GB. [2019-09-08 06:06:37,483 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 135.8 MB. Free memory was 109.0 MB in the beginning and 108.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 639.83 ms. Allocated memory was 135.8 MB in the beginning and 201.9 MB in the end (delta: 66.1 MB). Free memory was 89.4 MB in the beginning and 166.2 MB in the end (delta: -76.8 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 81.61 ms. Allocated memory is still 201.9 MB. Free memory was 166.2 MB in the beginning and 161.6 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1143.55 ms. Allocated memory was 201.9 MB in the beginning and 231.7 MB in the end (delta: 29.9 MB). Free memory was 161.6 MB in the beginning and 191.6 MB in the end (delta: -30.0 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5055.58 ms. Allocated memory was 231.7 MB in the beginning and 306.7 MB in the end (delta: 75.0 MB). Free memory was 191.6 MB in the beginning and 176.1 MB in the end (delta: 15.5 MB). Peak memory consumption was 183.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 73]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L247] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L444] int cleanupTimeShifts = 4; [L554] int pumpRunning = 0; [L555] int systemActive = 1; [L878] int waterLevel = 1; [L879] int methaneLevelCritical = 0; [L525] int retValue_acc ; [L526] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L530] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L531] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L532] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L868] int retValue_acc ; [L871] retValue_acc = 1 [L872] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L532] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L532] tmp = valid_product() [L534] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L536] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L537] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L516] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L778] int splverifierCounter ; [L779] int tmp ; [L780] int tmp___0 ; [L781] int tmp___1 ; [L782] int tmp___2 ; [L785] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L787] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L789] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L795] tmp = __VERIFIER_nondet_int() [L797] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=9, waterLevel=1] [L799] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L896] COND TRUE waterLevel < 2 [L897] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L799] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=9, waterLevel=2] [L805] tmp___0 = __VERIFIER_nondet_int() [L807] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=9, tmp___0=1, waterLevel=2] [L809] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L908] COND FALSE !(\read(methaneLevelCritical)) [L911] methaneLevelCritical = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L809] RET changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=9, tmp___0=1, waterLevel=2] [L815] tmp___2 = __VERIFIER_nondet_int() [L817] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=9, tmp___0=1, tmp___2=8, waterLevel=2] [L830] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L561] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L568] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L570] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L642] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L645] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L660] CALL processEnvironment__wrappee__lowWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L616] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L619] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L634] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L590] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L593] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L595] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L739] int retValue_acc ; [L740] int tmp ; [L741] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L745] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L958] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L961] COND FALSE !(waterLevel < 2) [L965] retValue_acc = 0 [L966] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L745] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L745] tmp = isHighWaterSensorDry() [L747] COND FALSE !(\read(tmp)) [L750] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L752] retValue_acc = tmp___0 [L753] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L595] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L595] tmp = isHighWaterLevel() [L597] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L599] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L670] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L599] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L634] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L660] RET processEnvironment__wrappee__lowWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L570] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L576] CALL __utac_acc__Specification1_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L44] int tmp ; [L45] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L49] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L917] int retValue_acc ; [L920] retValue_acc = methaneLevelCritical [L921] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L49] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L49] tmp = isMethaneLevelCritical() [L51] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L53] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L694] int retValue_acc ; [L697] retValue_acc = pumpRunning [L698] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L53] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L53] tmp___0 = isPumpRunning() [L55] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L57] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L73] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 245 locations, 1 error locations. UNSAFE Result, 4.9s OverallTime, 10 OverallIterations, 1 TraceHistogramMax, 2.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1553 SDtfs, 843 SDslu, 2917 SDs, 0 SdLazy, 950 SolverSat, 236 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 86 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=543occurred in iteration=9, 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: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 373 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 739 NumberOfCodeBlocks, 739 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 638 ConstructedInterpolants, 0 QuantifiedInterpolants, 82090 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...