/usr/bin/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 --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 16:35:46,602 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 16:35:46,605 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 16:35:46,617 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 16:35:46,617 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 16:35:46,618 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 16:35:46,620 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 16:35:46,622 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 16:35:46,623 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 16:35:46,624 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 16:35:46,625 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 16:35:46,626 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 16:35:46,626 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 16:35:46,627 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 16:35:46,628 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 16:35:46,629 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 16:35:46,630 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 16:35:46,631 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 16:35:46,633 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 16:35:46,635 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 16:35:46,636 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 16:35:46,637 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 16:35:46,638 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 16:35:46,639 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 16:35:46,641 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 16:35:46,641 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 16:35:46,641 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 16:35:46,642 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 16:35:46,642 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 16:35:46,643 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 16:35:46,644 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 16:35:46,644 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 16:35:46,645 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 16:35:46,646 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 16:35:46,647 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 16:35:46,647 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 16:35:46,648 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 16:35:46,648 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 16:35:46,648 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 16:35:46,649 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 16:35:46,649 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 16:35:46,650 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-17 16:35:46,659 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 16:35:46,659 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 16:35:46,660 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 16:35:46,661 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 16:35:46,661 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 16:35:46,661 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 16:35:46,661 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 16:35:46,661 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 16:35:46,662 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 16:35:46,662 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 16:35:46,662 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 16:35:46,662 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 16:35:46,662 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 16:35:46,663 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 16:35:46,663 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 16:35:46,663 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 16:35:46,663 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 16:35:46,663 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 16:35:46,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 16:35:46,664 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 16:35:46,664 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 16:35:46,664 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 16:35:46,664 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-17 16:35:46,956 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 16:35:46,969 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 16:35:46,973 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 16:35:46,974 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 16:35:46,975 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 16:35:46,975 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product25.cil.c [2020-07-17 16:35:47,049 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e004ea546/b0a0bbccf21a4c83a05c3d271fea4f22/FLAG8dd7d7c55 [2020-07-17 16:35:47,557 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 16:35:47,558 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product25.cil.c [2020-07-17 16:35:47,574 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e004ea546/b0a0bbccf21a4c83a05c3d271fea4f22/FLAG8dd7d7c55 [2020-07-17 16:35:47,857 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e004ea546/b0a0bbccf21a4c83a05c3d271fea4f22 [2020-07-17 16:35:47,867 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 16:35:47,870 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 16:35:47,871 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 16:35:47,871 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 16:35:47,875 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 16:35:47,876 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 04:35:47" (1/1) ... [2020-07-17 16:35:47,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4be4e3d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:35:47, skipping insertion in model container [2020-07-17 16:35:47,879 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 04:35:47" (1/1) ... [2020-07-17 16:35:47,887 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 16:35:47,926 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 16:35:48,249 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 16:35:48,261 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 16:35:48,496 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 16:35:48,528 INFO L208 MainTranslator]: Completed translation [2020-07-17 16:35:48,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:35:48 WrapperNode [2020-07-17 16:35:48,529 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 16:35:48,530 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 16:35:48,530 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 16:35:48,530 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 16:35:48,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:35:48" (1/1) ... [2020-07-17 16:35:48,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:35:48" (1/1) ... [2020-07-17 16:35:48,562 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:35:48" (1/1) ... [2020-07-17 16:35:48,562 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:35:48" (1/1) ... [2020-07-17 16:35:48,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:35:48" (1/1) ... [2020-07-17 16:35:48,605 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:35:48" (1/1) ... [2020-07-17 16:35:48,610 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:35:48" (1/1) ... [2020-07-17 16:35:48,618 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 16:35:48,618 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 16:35:48,619 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 16:35:48,619 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 16:35:48,620 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:35:48" (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 [2020-07-17 16:35:48,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 16:35:48,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 16:35:48,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-17 16:35:48,702 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-17 16:35:48,702 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-17 16:35:48,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-17 16:35:48,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-17 16:35:48,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-17 16:35:48,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-17 16:35:48,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-17 16:35:48,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-17 16:35:48,704 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-17 16:35:48,704 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-17 16:35:48,704 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-17 16:35:48,705 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-17 16:35:48,705 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-17 16:35:48,705 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-17 16:35:48,706 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-17 16:35:48,706 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-17 16:35:48,707 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-17 16:35:48,707 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-17 16:35:48,707 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-17 16:35:48,709 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-17 16:35:48,710 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-17 16:35:48,710 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-17 16:35:48,710 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-17 16:35:48,710 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 16:35:48,710 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-17 16:35:48,710 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-17 16:35:48,711 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-17 16:35:48,711 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-17 16:35:48,711 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-17 16:35:48,711 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-17 16:35:48,712 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-17 16:35:48,712 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-17 16:35:48,712 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-17 16:35:48,712 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-17 16:35:48,712 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-17 16:35:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 16:35:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 16:35:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-17 16:35:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-17 16:35:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-17 16:35:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-17 16:35:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-17 16:35:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-17 16:35:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-17 16:35:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 16:35:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-17 16:35:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-17 16:35:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 16:35:48,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 16:35:48,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 16:35:48,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 16:35:48,716 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-17 16:35:48,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 16:35:48,716 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-17 16:35:48,716 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-17 16:35:48,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 16:35:48,716 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-17 16:35:48,717 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-17 16:35:48,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 16:35:48,717 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-17 16:35:48,717 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-17 16:35:48,717 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-17 16:35:48,717 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-17 16:35:48,717 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-17 16:35:48,718 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-17 16:35:48,718 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-17 16:35:48,718 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-17 16:35:48,718 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-17 16:35:48,718 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-17 16:35:48,719 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-17 16:35:48,719 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-17 16:35:48,719 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-17 16:35:48,719 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-17 16:35:48,719 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-17 16:35:48,720 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-17 16:35:48,720 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-17 16:35:48,720 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 16:35:48,720 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-17 16:35:48,721 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-17 16:35:48,721 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-17 16:35:48,721 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-17 16:35:48,721 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-17 16:35:48,721 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-17 16:35:48,722 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-17 16:35:48,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 16:35:48,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-17 16:35:48,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 16:35:49,822 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 16:35:49,823 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-17 16:35:49,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 04:35:49 BoogieIcfgContainer [2020-07-17 16:35:49,829 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 16:35:49,830 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 16:35:49,830 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 16:35:49,834 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 16:35:49,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 04:35:47" (1/3) ... [2020-07-17 16:35:49,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@509eec68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 04:35:49, skipping insertion in model container [2020-07-17 16:35:49,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:35:48" (2/3) ... [2020-07-17 16:35:49,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@509eec68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 04:35:49, skipping insertion in model container [2020-07-17 16:35:49,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 04:35:49" (3/3) ... [2020-07-17 16:35:49,837 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product25.cil.c [2020-07-17 16:35:49,848 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 16:35:49,857 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 16:35:49,871 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 16:35:49,892 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 16:35:49,893 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 16:35:49,893 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-17 16:35:49,893 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 16:35:49,893 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 16:35:49,893 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 16:35:49,894 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 16:35:49,894 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 16:35:49,914 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states. [2020-07-17 16:35:49,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-07-17 16:35:49,935 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:35:49,936 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:35:49,936 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:35:49,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:35:49,941 INFO L82 PathProgramCache]: Analyzing trace with hash 984796511, now seen corresponding path program 1 times [2020-07-17 16:35:49,949 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:35:49,950 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1224072595] [2020-07-17 16:35:49,950 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:35:50,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:50,608 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:35:50,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:50,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:50,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:50,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:50,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:50,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:50,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:50,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:50,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:35:50,843 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1224072595] [2020-07-17 16:35:50,845 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:35:50,845 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-17 16:35:50,846 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725915119] [2020-07-17 16:35:50,853 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 16:35:50,854 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:35:50,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 16:35:50,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 16:35:50,872 INFO L87 Difference]: Start difference. First operand 302 states. Second operand 3 states. [2020-07-17 16:35:52,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:35:52,095 INFO L93 Difference]: Finished difference Result 435 states and 517 transitions. [2020-07-17 16:35:52,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 16:35:52,098 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2020-07-17 16:35:52,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:35:52,114 INFO L225 Difference]: With dead ends: 435 [2020-07-17 16:35:52,114 INFO L226 Difference]: Without dead ends: 274 [2020-07-17 16:35:52,120 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 16:35:52,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2020-07-17 16:35:52,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 235. [2020-07-17 16:35:52,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2020-07-17 16:35:52,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 253 transitions. [2020-07-17 16:35:52,249 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 253 transitions. Word has length 153 [2020-07-17 16:35:52,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:35:52,250 INFO L479 AbstractCegarLoop]: Abstraction has 235 states and 253 transitions. [2020-07-17 16:35:52,250 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 16:35:52,250 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 253 transitions. [2020-07-17 16:35:52,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-07-17 16:35:52,255 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:35:52,255 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:35:52,256 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 16:35:52,256 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:35:52,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:35:52,256 INFO L82 PathProgramCache]: Analyzing trace with hash -1074714265, now seen corresponding path program 1 times [2020-07-17 16:35:52,257 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:35:52,257 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1818161081] [2020-07-17 16:35:52,257 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:35:52,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:52,593 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:35:52,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:52,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:52,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:52,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:52,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:52,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:52,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:52,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:52,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:35:52,707 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1818161081] [2020-07-17 16:35:52,707 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:35:52,708 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 16:35:52,708 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743990891] [2020-07-17 16:35:52,712 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 16:35:52,712 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:35:52,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 16:35:52,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 16:35:52,713 INFO L87 Difference]: Start difference. First operand 235 states and 253 transitions. Second operand 4 states. [2020-07-17 16:35:53,358 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:35:54,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:35:54,115 INFO L93 Difference]: Finished difference Result 352 states and 392 transitions. [2020-07-17 16:35:54,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 16:35:54,116 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 154 [2020-07-17 16:35:54,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:35:54,121 INFO L225 Difference]: With dead ends: 352 [2020-07-17 16:35:54,121 INFO L226 Difference]: Without dead ends: 257 [2020-07-17 16:35:54,123 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-17 16:35:54,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2020-07-17 16:35:54,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 225. [2020-07-17 16:35:54,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2020-07-17 16:35:54,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 240 transitions. [2020-07-17 16:35:54,195 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 240 transitions. Word has length 154 [2020-07-17 16:35:54,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:35:54,195 INFO L479 AbstractCegarLoop]: Abstraction has 225 states and 240 transitions. [2020-07-17 16:35:54,195 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 16:35:54,196 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 240 transitions. [2020-07-17 16:35:54,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-07-17 16:35:54,200 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:35:54,201 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:35:54,201 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 16:35:54,201 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:35:54,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:35:54,202 INFO L82 PathProgramCache]: Analyzing trace with hash 1460051564, now seen corresponding path program 1 times [2020-07-17 16:35:54,202 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:35:54,202 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1556113343] [2020-07-17 16:35:54,202 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:35:54,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:54,538 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:35:54,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:54,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:54,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:54,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:54,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:54,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:54,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:54,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:54,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:35:54,732 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1556113343] [2020-07-17 16:35:54,732 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:35:54,732 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 16:35:54,734 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302729807] [2020-07-17 16:35:54,735 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 16:35:54,736 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:35:54,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 16:35:54,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-07-17 16:35:54,736 INFO L87 Difference]: Start difference. First operand 225 states and 240 transitions. Second operand 9 states. [2020-07-17 16:35:55,237 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:35:55,532 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:35:55,792 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:35:56,015 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:35:56,248 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:35:56,481 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:35:57,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:35:57,714 INFO L93 Difference]: Finished difference Result 372 states and 417 transitions. [2020-07-17 16:35:57,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-17 16:35:57,715 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 163 [2020-07-17 16:35:57,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:35:57,719 INFO L225 Difference]: With dead ends: 372 [2020-07-17 16:35:57,720 INFO L226 Difference]: Without dead ends: 257 [2020-07-17 16:35:57,721 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2020-07-17 16:35:57,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2020-07-17 16:35:57,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 225. [2020-07-17 16:35:57,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2020-07-17 16:35:57,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 239 transitions. [2020-07-17 16:35:57,787 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 239 transitions. Word has length 163 [2020-07-17 16:35:57,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:35:57,788 INFO L479 AbstractCegarLoop]: Abstraction has 225 states and 239 transitions. [2020-07-17 16:35:57,788 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 16:35:57,788 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 239 transitions. [2020-07-17 16:35:57,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-07-17 16:35:57,791 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:35:57,791 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:35:57,791 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 16:35:57,791 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:35:57,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:35:57,792 INFO L82 PathProgramCache]: Analyzing trace with hash 973971077, now seen corresponding path program 1 times [2020-07-17 16:35:57,792 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:35:57,793 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1081885784] [2020-07-17 16:35:57,793 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:35:57,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:58,091 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:35:58,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:58,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:58,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:58,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:58,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:58,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:58,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:58,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:58,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:58,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:58,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:35:58,235 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1081885784] [2020-07-17 16:35:58,236 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:35:58,236 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 16:35:58,237 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957555947] [2020-07-17 16:35:58,238 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 16:35:58,238 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:35:58,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 16:35:58,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-07-17 16:35:58,240 INFO L87 Difference]: Start difference. First operand 225 states and 239 transitions. Second operand 9 states. [2020-07-17 16:35:58,886 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:36:00,465 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:36:00,721 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:36:01,025 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:36:01,279 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:36:01,524 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:36:01,772 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:36:02,005 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:36:02,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:36:02,552 INFO L93 Difference]: Finished difference Result 522 states and 613 transitions. [2020-07-17 16:36:02,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-17 16:36:02,554 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 171 [2020-07-17 16:36:02,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:36:02,561 INFO L225 Difference]: With dead ends: 522 [2020-07-17 16:36:02,562 INFO L226 Difference]: Without dead ends: 407 [2020-07-17 16:36:02,563 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-07-17 16:36:02,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2020-07-17 16:36:02,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 332. [2020-07-17 16:36:02,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 332 states. [2020-07-17 16:36:02,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 363 transitions. [2020-07-17 16:36:02,731 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 363 transitions. Word has length 171 [2020-07-17 16:36:02,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:36:02,732 INFO L479 AbstractCegarLoop]: Abstraction has 332 states and 363 transitions. [2020-07-17 16:36:02,732 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 16:36:02,732 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 363 transitions. [2020-07-17 16:36:02,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-07-17 16:36:02,735 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:36:02,735 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:36:02,736 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 16:36:02,736 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:36:02,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:36:02,737 INFO L82 PathProgramCache]: Analyzing trace with hash -1376953546, now seen corresponding path program 1 times [2020-07-17 16:36:02,737 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:36:02,738 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1375233342] [2020-07-17 16:36:02,739 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:36:02,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:36:03,146 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:36:03,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:36:03,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:36:03,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:36:03,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:36:03,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:36:03,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:36:03,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:36:03,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:36:03,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:36:03,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:36:03,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:36:03,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:36:03,292 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1375233342] [2020-07-17 16:36:03,292 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:36:03,292 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-17 16:36:03,293 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336895382] [2020-07-17 16:36:03,293 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 16:36:03,294 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:36:03,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 16:36:03,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-17 16:36:03,295 INFO L87 Difference]: Start difference. First operand 332 states and 363 transitions. Second operand 6 states. [2020-07-17 16:36:03,942 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:36:04,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:36:04,641 INFO L93 Difference]: Finished difference Result 501 states and 567 transitions. [2020-07-17 16:36:04,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-17 16:36:04,642 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 176 [2020-07-17 16:36:04,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:36:04,645 INFO L225 Difference]: With dead ends: 501 [2020-07-17 16:36:04,645 INFO L226 Difference]: Without dead ends: 279 [2020-07-17 16:36:04,646 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-07-17 16:36:04,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2020-07-17 16:36:04,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 258. [2020-07-17 16:36:04,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2020-07-17 16:36:04,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 273 transitions. [2020-07-17 16:36:04,778 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 273 transitions. Word has length 176 [2020-07-17 16:36:04,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:36:04,779 INFO L479 AbstractCegarLoop]: Abstraction has 258 states and 273 transitions. [2020-07-17 16:36:04,779 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 16:36:04,779 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 273 transitions. [2020-07-17 16:36:04,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-07-17 16:36:04,781 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:36:04,781 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:36:04,782 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 16:36:04,782 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:36:04,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:36:04,783 INFO L82 PathProgramCache]: Analyzing trace with hash -1373722854, now seen corresponding path program 1 times [2020-07-17 16:36:04,783 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:36:04,783 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [799193334] [2020-07-17 16:36:04,783 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:36:04,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 16:36:04,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 16:36:05,130 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-17 16:36:05,130 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 16:36:05,131 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-17 16:36:05,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 04:36:05 BoogieIcfgContainer [2020-07-17 16:36:05,329 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 16:36:05,334 INFO L168 Benchmark]: Toolchain (without parser) took 17462.85 ms. Allocated memory was 143.1 MB in the beginning and 588.3 MB in the end (delta: 445.1 MB). Free memory was 100.2 MB in the beginning and 450.6 MB in the end (delta: -350.4 MB). Peak memory consumption was 94.7 MB. Max. memory is 7.1 GB. [2020-07-17 16:36:05,336 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 143.1 MB. Free memory was 119.6 MB in the beginning and 119.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 16:36:05,337 INFO L168 Benchmark]: CACSL2BoogieTranslator took 658.09 ms. Allocated memory was 143.1 MB in the beginning and 201.9 MB in the end (delta: 58.7 MB). Free memory was 100.0 MB in the beginning and 172.2 MB in the end (delta: -72.2 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2020-07-17 16:36:05,337 INFO L168 Benchmark]: Boogie Preprocessor took 88.44 ms. Allocated memory is still 201.9 MB. Free memory was 172.2 MB in the beginning and 167.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-07-17 16:36:05,339 INFO L168 Benchmark]: RCFGBuilder took 1210.96 ms. Allocated memory was 201.9 MB in the beginning and 231.2 MB in the end (delta: 29.4 MB). Free memory was 167.9 MB in the beginning and 178.4 MB in the end (delta: -10.6 MB). Peak memory consumption was 89.6 MB. Max. memory is 7.1 GB. [2020-07-17 16:36:05,340 INFO L168 Benchmark]: TraceAbstraction took 15499.25 ms. Allocated memory was 231.2 MB in the beginning and 588.3 MB in the end (delta: 357.0 MB). Free memory was 178.4 MB in the beginning and 450.6 MB in the end (delta: -272.2 MB). Peak memory consumption was 84.9 MB. Max. memory is 7.1 GB. [2020-07-17 16:36:05,347 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 143.1 MB. Free memory was 119.6 MB in the beginning and 119.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 658.09 ms. Allocated memory was 143.1 MB in the beginning and 201.9 MB in the end (delta: 58.7 MB). Free memory was 100.0 MB in the beginning and 172.2 MB in the end (delta: -72.2 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.44 ms. Allocated memory is still 201.9 MB. Free memory was 172.2 MB in the beginning and 167.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1210.96 ms. Allocated memory was 201.9 MB in the beginning and 231.2 MB in the end (delta: 29.4 MB). Free memory was 167.9 MB in the beginning and 178.4 MB in the end (delta: -10.6 MB). Peak memory consumption was 89.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15499.25 ms. Allocated memory was 231.2 MB in the beginning and 588.3 MB in the end (delta: 357.0 MB). Free memory was 178.4 MB in the beginning and 450.6 MB in the end (delta: -272.2 MB). Peak memory consumption was 84.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 82]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L256] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=172, \old(head)=163, \old(head)=176, \old(methaneLevelCritical)=147, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=142, cleanupTimeShifts=172, head={0:0}, methaneLevelCritical=147, pumpRunning=136, systemActive=135, waterLevel=142] [L458] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=172, \old(head)=176, \old(head)=163, \old(methaneLevelCritical)=147, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=142, cleanupTimeShifts=172, head={0:0}, methaneLevelCritical=147, pumpRunning=136, systemActive=135, waterLevel=1] [L459] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=172, \old(head)=176, \old(head)=163, \old(methaneLevelCritical)=147, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=142, cleanupTimeShifts=172, head={0:0}, methaneLevelCritical=0, pumpRunning=136, systemActive=135, waterLevel=1] [L585] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=172, \old(head)=176, \old(head)=163, \old(methaneLevelCritical)=147, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=142, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=136, systemActive=135, waterLevel=1] [L686] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=172, \old(head)=176, \old(head)=163, \old(methaneLevelCritical)=147, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=142, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=135, waterLevel=1] [L687] int systemActive = 1; VAL [\old(cleanupTimeShifts)=172, \old(head)=163, \old(head)=176, \old(methaneLevelCritical)=147, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=142, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L661] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L662] 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] [L666] 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] [L667] 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] [L668] 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] [L576] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L579] retValue_acc = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L580] 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] [L668] 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] [L668] tmp = valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, valid_product()=1, waterLevel=1] [L670] 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] [L672] 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] [L673] 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] [L655] 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] [L857] int splverifierCounter ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L858] 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] [L859] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L860] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L861] int tmp___2 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L864] 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] [L866] 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] [L868] 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] [L874] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L876] 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=1, waterLevel=1] [L878] 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] [L476] COND TRUE waterLevel < 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L477] 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] [L878] 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=1, waterLevel=2] [L884] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L886] COND FALSE !(\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=1, tmp___0=0, waterLevel=2] [L894] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L896] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L909] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L693] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L700] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L702] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L722] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L725] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L740] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L702] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L708] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L45] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L46] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L47] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L51] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L497] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L500] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L501] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L51] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L51] tmp = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L53] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L57] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L529] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L532] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L533] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L57] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L57] tmp___0 = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L59] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L61] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L792] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L795] retValue_acc = pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L796] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L61] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L61] tmp___1 = isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L63] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L67] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L82] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 618 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 15.2s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 11.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1033 SDtfs, 1392 SDslu, 1226 SDs, 0 SdLazy, 2428 SolverSat, 396 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 144 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=332occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 5 MinimizatonAttempts, 199 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 993 NumberOfCodeBlocks, 993 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 812 ConstructedInterpolants, 0 QuantifiedInterpolants, 335670 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...