/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_spec2_product35.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 20:37:06,397 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 20:37:06,402 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 20:37:06,449 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 20:37:06,449 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 20:37:06,460 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 20:37:06,463 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 20:37:06,466 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 20:37:06,469 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 20:37:06,471 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 20:37:06,474 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 20:37:06,475 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 20:37:06,475 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 20:37:06,478 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 20:37:06,481 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 20:37:06,482 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 20:37:06,484 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 20:37:06,485 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 20:37:06,487 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 20:37:06,488 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 20:37:06,493 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 20:37:06,494 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 20:37:06,495 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 20:37:06,496 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 20:37:06,498 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-04 20:37:06,498 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-04 20:37:06,499 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-04 20:37:06,500 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-04 20:37:06,500 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-04 20:37:06,501 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-04 20:37:06,501 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 20:37:06,502 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 20:37:06,503 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 20:37:06,504 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 20:37:06,505 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 20:37:06,505 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 20:37:06,506 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 20:37:06,506 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 20:37:06,506 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 20:37:06,507 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 20:37:06,508 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 20:37:06,509 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-09-04 20:37:06,520 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 20:37:06,521 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 20:37:06,522 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 20:37:06,522 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 20:37:06,522 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 20:37:06,522 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 20:37:06,523 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 20:37:06,523 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 20:37:06,523 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 20:37:06,523 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 20:37:06,523 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 20:37:06,524 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 20:37:06,524 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 20:37:06,524 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 20:37:06,524 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 20:37:06,525 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 20:37:06,525 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 20:37:06,525 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 20:37:06,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 20:37:06,525 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 20:37:06,526 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 20:37:06,526 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 20:37:06,526 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 [2020-09-04 20:37:06,941 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 20:37:06,969 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 20:37:06,973 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 20:37:06,977 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 20:37:06,977 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 20:37:06,979 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product35.cil.c [2020-09-04 20:37:07,054 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/90b499bbf/4df1190ebbda4ac0b628769b978ce5f9/FLAG743255f8e [2020-09-04 20:37:07,616 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 20:37:07,617 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product35.cil.c [2020-09-04 20:37:07,634 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/90b499bbf/4df1190ebbda4ac0b628769b978ce5f9/FLAG743255f8e [2020-09-04 20:37:07,910 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/90b499bbf/4df1190ebbda4ac0b628769b978ce5f9 [2020-09-04 20:37:07,925 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 20:37:07,929 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 20:37:07,930 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 20:37:07,931 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 20:37:07,935 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 20:37:07,936 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 08:37:07" (1/1) ... [2020-09-04 20:37:07,940 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22589b7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:37:07, skipping insertion in model container [2020-09-04 20:37:07,941 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 08:37:07" (1/1) ... [2020-09-04 20:37:07,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 20:37:08,004 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 20:37:08,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 20:37:08,508 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 20:37:08,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 20:37:08,670 INFO L208 MainTranslator]: Completed translation [2020-09-04 20:37:08,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:37:08 WrapperNode [2020-09-04 20:37:08,671 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 20:37:08,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 20:37:08,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 20:37:08,672 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 20:37:08,689 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:37:08" (1/1) ... [2020-09-04 20:37:08,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:37:08" (1/1) ... [2020-09-04 20:37:08,710 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:37:08" (1/1) ... [2020-09-04 20:37:08,710 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:37:08" (1/1) ... [2020-09-04 20:37:08,740 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:37:08" (1/1) ... [2020-09-04 20:37:08,752 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:37:08" (1/1) ... [2020-09-04 20:37:08,758 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:37:08" (1/1) ... [2020-09-04 20:37:08,766 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 20:37:08,767 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 20:37:08,767 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 20:37:08,767 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 20:37:08,768 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:37:08" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 20:37:08,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 20:37:08,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 20:37:08,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-04 20:37:08,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-04 20:37:08,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-04 20:37:08,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-04 20:37:08,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-04 20:37:08,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-04 20:37:08,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-04 20:37:08,866 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-04 20:37:08,866 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-04 20:37:08,867 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-04 20:37:08,867 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-04 20:37:08,867 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-04 20:37:08,867 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-04 20:37:08,867 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-04 20:37:08,868 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-04 20:37:08,868 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-04 20:37:08,868 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-04 20:37:08,868 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-04 20:37:08,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-04 20:37:08,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-04 20:37:08,869 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-04 20:37:08,869 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-04 20:37:08,870 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-04 20:37:08,870 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-04 20:37:08,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-04 20:37:08,870 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-04 20:37:08,870 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-04 20:37:08,870 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-04 20:37:08,871 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-04 20:37:08,871 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 20:37:08,871 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-04 20:37:08,871 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-04 20:37:08,871 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-04 20:37:08,871 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-04 20:37:08,871 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-04 20:37:08,871 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-04 20:37:08,872 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-04 20:37:08,872 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 20:37:08,872 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 20:37:08,872 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-04 20:37:08,872 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-04 20:37:08,872 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-04 20:37:08,872 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-04 20:37:08,873 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-04 20:37:08,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-04 20:37:08,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-04 20:37:08,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-04 20:37:08,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-04 20:37:08,873 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-04 20:37:08,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-04 20:37:08,874 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-04 20:37:08,874 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-04 20:37:08,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-04 20:37:08,874 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-04 20:37:08,874 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-04 20:37:08,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-04 20:37:08,875 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-04 20:37:08,875 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-04 20:37:08,875 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-04 20:37:08,875 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-04 20:37:08,876 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-04 20:37:08,877 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-04 20:37:08,877 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-04 20:37:08,877 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-04 20:37:08,877 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-04 20:37:08,877 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-04 20:37:08,877 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-04 20:37:08,878 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-04 20:37:08,878 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-04 20:37:08,878 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-04 20:37:08,878 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-04 20:37:08,879 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-04 20:37:08,879 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-04 20:37:08,879 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-04 20:37:08,879 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-04 20:37:08,879 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-04 20:37:08,880 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-04 20:37:08,880 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-04 20:37:08,881 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-04 20:37:08,881 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-04 20:37:08,881 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-04 20:37:08,881 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-04 20:37:08,881 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-04 20:37:08,881 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-04 20:37:08,882 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-04 20:37:08,883 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 20:37:08,883 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-04 20:37:08,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 20:37:08,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-04 20:37:08,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 20:37:09,984 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 20:37:09,985 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-04 20:37:09,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 08:37:09 BoogieIcfgContainer [2020-09-04 20:37:09,992 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 20:37:09,994 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 20:37:09,994 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 20:37:09,998 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 20:37:09,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 08:37:07" (1/3) ... [2020-09-04 20:37:09,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@358eef4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 08:37:09, skipping insertion in model container [2020-09-04 20:37:09,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:37:08" (2/3) ... [2020-09-04 20:37:10,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@358eef4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 08:37:09, skipping insertion in model container [2020-09-04 20:37:10,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 08:37:09" (3/3) ... [2020-09-04 20:37:10,002 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product35.cil.c [2020-09-04 20:37:10,015 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 20:37:10,026 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 20:37:10,049 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 20:37:10,081 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 20:37:10,081 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 20:37:10,081 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-04 20:37:10,082 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 20:37:10,082 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 20:37:10,082 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 20:37:10,082 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 20:37:10,082 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 20:37:10,107 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states. [2020-09-04 20:37:10,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-04 20:37:10,133 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:37:10,134 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] [2020-09-04 20:37:10,135 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:37:10,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:37:10,143 INFO L82 PathProgramCache]: Analyzing trace with hash -1842377824, now seen corresponding path program 1 times [2020-09-04 20:37:10,158 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:37:10,158 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1054413465] [2020-09-04 20:37:10,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:37:10,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:11,033 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:37:11,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:37:11,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:11,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 20:37:11,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:11,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 20:37:11,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:11,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 20:37:11,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:11,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 20:37:11,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:11,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 20:37:11,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:11,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-04 20:37:11,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:11,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-04 20:37:11,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:11,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 20:37:11,238 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1054413465] [2020-09-04 20:37:11,240 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:37:11,241 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-04 20:37:11,242 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330050723] [2020-09-04 20:37:11,250 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-04 20:37:11,258 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:37:11,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-04 20:37:11,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-04 20:37:11,279 INFO L87 Difference]: Start difference. First operand 302 states. Second operand 4 states. [2020-09-04 20:37:12,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:37:12,537 INFO L93 Difference]: Finished difference Result 453 states and 537 transitions. [2020-09-04 20:37:12,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-04 20:37:12,539 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2020-09-04 20:37:12,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:37:12,563 INFO L225 Difference]: With dead ends: 453 [2020-09-04 20:37:12,564 INFO L226 Difference]: Without dead ends: 293 [2020-09-04 20:37:12,572 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-04 20:37:12,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2020-09-04 20:37:12,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 245. [2020-09-04 20:37:12,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2020-09-04 20:37:12,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 265 transitions. [2020-09-04 20:37:12,746 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 265 transitions. Word has length 148 [2020-09-04 20:37:12,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:37:12,747 INFO L479 AbstractCegarLoop]: Abstraction has 245 states and 265 transitions. [2020-09-04 20:37:12,748 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-04 20:37:12,748 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 265 transitions. [2020-09-04 20:37:12,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-09-04 20:37:12,752 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:37:12,752 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] [2020-09-04 20:37:12,753 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 20:37:12,753 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:37:12,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:37:12,754 INFO L82 PathProgramCache]: Analyzing trace with hash 983801139, now seen corresponding path program 1 times [2020-09-04 20:37:12,754 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:37:12,754 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [552589617] [2020-09-04 20:37:12,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:37:12,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:13,229 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:37:13,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:37:13,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:13,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 20:37:13,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:13,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 20:37:13,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:13,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 20:37:13,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:13,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 20:37:13,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:13,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 20:37:13,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:13,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-04 20:37:13,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:13,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-04 20:37:13,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:13,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 20:37:13,322 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [552589617] [2020-09-04 20:37:13,322 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:37:13,322 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-04 20:37:13,322 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361381407] [2020-09-04 20:37:13,324 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 20:37:13,325 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:37:13,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 20:37:13,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 20:37:13,326 INFO L87 Difference]: Start difference. First operand 245 states and 265 transitions. Second operand 5 states. [2020-09-04 20:37:14,010 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:37:14,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:37:14,980 INFO L93 Difference]: Finished difference Result 373 states and 422 transitions. [2020-09-04 20:37:14,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-04 20:37:14,981 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-09-04 20:37:14,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:37:14,986 INFO L225 Difference]: With dead ends: 373 [2020-09-04 20:37:14,986 INFO L226 Difference]: Without dead ends: 282 [2020-09-04 20:37:14,988 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-04 20:37:14,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-09-04 20:37:15,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 235. [2020-09-04 20:37:15,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2020-09-04 20:37:15,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 252 transitions. [2020-09-04 20:37:15,056 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 252 transitions. Word has length 149 [2020-09-04 20:37:15,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:37:15,057 INFO L479 AbstractCegarLoop]: Abstraction has 235 states and 252 transitions. [2020-09-04 20:37:15,057 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 20:37:15,057 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 252 transitions. [2020-09-04 20:37:15,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-09-04 20:37:15,059 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:37:15,059 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] [2020-09-04 20:37:15,059 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 20:37:15,060 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:37:15,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:37:15,060 INFO L82 PathProgramCache]: Analyzing trace with hash -1583247536, now seen corresponding path program 1 times [2020-09-04 20:37:15,060 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:37:15,061 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1075620606] [2020-09-04 20:37:15,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:37:15,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:15,523 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:37:15,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:37:15,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:15,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 20:37:15,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:15,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 20:37:15,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:15,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 20:37:15,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:15,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 20:37:15,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:15,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 20:37:15,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:15,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-04 20:37:15,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:15,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-09-04 20:37:15,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:15,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 20:37:15,777 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1075620606] [2020-09-04 20:37:15,778 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:37:15,778 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-04 20:37:15,778 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429728283] [2020-09-04 20:37:15,779 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 20:37:15,779 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:37:15,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 20:37:15,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-04 20:37:15,780 INFO L87 Difference]: Start difference. First operand 235 states and 252 transitions. Second operand 10 states. [2020-09-04 20:37:16,464 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:37:16,769 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 20:37:17,073 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 20:37:17,411 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:37:17,720 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 20:37:18,025 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:37:19,072 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:37:20,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:37:20,982 INFO L93 Difference]: Finished difference Result 616 states and 713 transitions. [2020-09-04 20:37:20,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-04 20:37:20,983 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 158 [2020-09-04 20:37:20,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:37:20,989 INFO L225 Difference]: With dead ends: 616 [2020-09-04 20:37:20,989 INFO L226 Difference]: Without dead ends: 496 [2020-09-04 20:37:20,991 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-04 20:37:20,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2020-09-04 20:37:21,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 411. [2020-09-04 20:37:21,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2020-09-04 20:37:21,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 456 transitions. [2020-09-04 20:37:21,156 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 456 transitions. Word has length 158 [2020-09-04 20:37:21,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:37:21,157 INFO L479 AbstractCegarLoop]: Abstraction has 411 states and 456 transitions. [2020-09-04 20:37:21,157 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 20:37:21,157 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 456 transitions. [2020-09-04 20:37:21,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-09-04 20:37:21,160 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:37:21,160 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] [2020-09-04 20:37:21,160 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 20:37:21,160 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:37:21,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:37:21,161 INFO L82 PathProgramCache]: Analyzing trace with hash -247370093, now seen corresponding path program 1 times [2020-09-04 20:37:21,161 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:37:21,161 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1571676389] [2020-09-04 20:37:21,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:37:21,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:21,547 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:37:21,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:37:21,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:21,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 20:37:21,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:21,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 20:37:21,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:21,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 20:37:21,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:21,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 20:37:21,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:21,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 20:37:21,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:21,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-04 20:37:21,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:21,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:37:21,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:21,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-04 20:37:21,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:21,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-04 20:37:21,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:21,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 20:37:21,712 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1571676389] [2020-09-04 20:37:21,712 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:37:21,712 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-04 20:37:21,713 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691893195] [2020-09-04 20:37:21,713 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-04 20:37:21,714 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:37:21,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-04 20:37:21,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-04 20:37:21,714 INFO L87 Difference]: Start difference. First operand 411 states and 456 transitions. Second operand 7 states. [2020-09-04 20:37:22,254 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:37:24,077 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:37:24,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:37:24,765 INFO L93 Difference]: Finished difference Result 1041 states and 1238 transitions. [2020-09-04 20:37:24,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-04 20:37:24,765 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 166 [2020-09-04 20:37:24,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:37:24,776 INFO L225 Difference]: With dead ends: 1041 [2020-09-04 20:37:24,776 INFO L226 Difference]: Without dead ends: 745 [2020-09-04 20:37:24,778 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2020-09-04 20:37:24,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2020-09-04 20:37:24,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 617. [2020-09-04 20:37:24,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 617 states. [2020-09-04 20:37:24,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 686 transitions. [2020-09-04 20:37:24,980 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 686 transitions. Word has length 166 [2020-09-04 20:37:24,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:37:24,981 INFO L479 AbstractCegarLoop]: Abstraction has 617 states and 686 transitions. [2020-09-04 20:37:24,981 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-04 20:37:24,981 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 686 transitions. [2020-09-04 20:37:24,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-09-04 20:37:24,984 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:37:24,984 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] [2020-09-04 20:37:24,984 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-04 20:37:24,984 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:37:24,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:37:24,985 INFO L82 PathProgramCache]: Analyzing trace with hash 662442186, now seen corresponding path program 1 times [2020-09-04 20:37:24,985 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:37:24,985 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2029055766] [2020-09-04 20:37:24,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:37:25,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:25,325 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:37:25,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:37:25,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:25,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 20:37:25,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:25,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 20:37:25,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:25,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 20:37:25,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:25,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 20:37:25,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:25,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 20:37:25,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:25,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-04 20:37:25,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:25,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-04 20:37:25,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:25,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-04 20:37:25,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:25,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 20:37:25,484 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2029055766] [2020-09-04 20:37:25,485 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:37:25,485 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-04 20:37:25,485 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79524360] [2020-09-04 20:37:25,485 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 20:37:25,486 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:37:25,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 20:37:25,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-04 20:37:25,486 INFO L87 Difference]: Start difference. First operand 617 states and 686 transitions. Second operand 10 states. [2020-09-04 20:37:26,060 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:37:27,239 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:37:27,565 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 20:37:27,904 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:37:28,266 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:37:28,578 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 20:37:28,877 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:37:29,173 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:37:29,637 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:37:31,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:37:31,276 INFO L93 Difference]: Finished difference Result 1664 states and 1961 transitions. [2020-09-04 20:37:31,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-04 20:37:31,277 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 167 [2020-09-04 20:37:31,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:37:31,290 INFO L225 Difference]: With dead ends: 1664 [2020-09-04 20:37:31,290 INFO L226 Difference]: Without dead ends: 1162 [2020-09-04 20:37:31,292 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-09-04 20:37:31,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1162 states. [2020-09-04 20:37:31,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1162 to 1015. [2020-09-04 20:37:31,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1015 states. [2020-09-04 20:37:31,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1133 transitions. [2020-09-04 20:37:31,662 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1133 transitions. Word has length 167 [2020-09-04 20:37:31,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:37:31,663 INFO L479 AbstractCegarLoop]: Abstraction has 1015 states and 1133 transitions. [2020-09-04 20:37:31,663 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 20:37:31,663 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1133 transitions. [2020-09-04 20:37:31,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-09-04 20:37:31,666 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:37:31,666 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] [2020-09-04 20:37:31,666 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-04 20:37:31,667 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:37:31,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:37:31,667 INFO L82 PathProgramCache]: Analyzing trace with hash 2046553612, now seen corresponding path program 1 times [2020-09-04 20:37:31,667 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:37:31,668 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1663967222] [2020-09-04 20:37:31,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:37:31,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:32,093 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:37:32,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:37:32,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:32,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 20:37:32,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:32,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 20:37:32,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:32,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 20:37:32,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:32,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 20:37:32,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:32,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 20:37:32,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:32,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-04 20:37:32,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:32,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 20:37:32,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:32,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-04 20:37:32,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:32,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-04 20:37:32,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:32,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 20:37:32,276 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1663967222] [2020-09-04 20:37:32,276 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:37:32,276 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-04 20:37:32,276 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51038077] [2020-09-04 20:37:32,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 20:37:32,277 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:37:32,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 20:37:32,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-04 20:37:32,278 INFO L87 Difference]: Start difference. First operand 1015 states and 1133 transitions. Second operand 11 states. [2020-09-04 20:37:32,830 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:37:34,393 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:37:34,753 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 20:37:35,138 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:37:35,493 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 20:37:35,806 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:37:36,503 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:37:36,804 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:37:37,234 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:37:38,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:37:38,367 INFO L93 Difference]: Finished difference Result 2185 states and 2551 transitions. [2020-09-04 20:37:38,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-04 20:37:38,367 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 172 [2020-09-04 20:37:38,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:37:38,375 INFO L225 Difference]: With dead ends: 2185 [2020-09-04 20:37:38,377 INFO L226 Difference]: Without dead ends: 1285 [2020-09-04 20:37:38,380 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=283, Invalid=773, Unknown=0, NotChecked=0, Total=1056 [2020-09-04 20:37:38,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1285 states. [2020-09-04 20:37:38,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1285 to 1009. [2020-09-04 20:37:38,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1009 states. [2020-09-04 20:37:38,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 1009 states and 1121 transitions. [2020-09-04 20:37:38,725 INFO L78 Accepts]: Start accepts. Automaton has 1009 states and 1121 transitions. Word has length 172 [2020-09-04 20:37:38,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:37:38,725 INFO L479 AbstractCegarLoop]: Abstraction has 1009 states and 1121 transitions. [2020-09-04 20:37:38,725 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 20:37:38,726 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 1121 transitions. [2020-09-04 20:37:38,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-09-04 20:37:38,730 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:37:38,730 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 20:37:38,730 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-04 20:37:38,730 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:37:38,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:37:38,731 INFO L82 PathProgramCache]: Analyzing trace with hash -1482697685, now seen corresponding path program 1 times [2020-09-04 20:37:38,731 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:37:38,731 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1090413861] [2020-09-04 20:37:38,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:37:38,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:39,057 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:37:39,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:37:39,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:39,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 20:37:39,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:39,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 20:37:39,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:39,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 20:37:39,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:39,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 20:37:39,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:39,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 20:37:39,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:39,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-04 20:37:39,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:39,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-04 20:37:39,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:39,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:37:39,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:39,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 20:37:39,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:39,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 20:37:39,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:39,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-04 20:37:39,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:39,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-09-04 20:37:39,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:39,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 20:37:39,260 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1090413861] [2020-09-04 20:37:39,260 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:37:39,260 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-04 20:37:39,261 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398074471] [2020-09-04 20:37:39,261 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 20:37:39,261 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:37:39,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 20:37:39,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-04 20:37:39,262 INFO L87 Difference]: Start difference. First operand 1009 states and 1121 transitions. Second operand 11 states. [2020-09-04 20:37:40,897 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:37:41,229 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 20:37:41,567 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 20:37:41,889 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:37:42,255 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 20:37:42,559 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:37:43,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:37:43,905 INFO L93 Difference]: Finished difference Result 2323 states and 2761 transitions. [2020-09-04 20:37:43,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-04 20:37:43,911 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 196 [2020-09-04 20:37:43,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:37:43,919 INFO L225 Difference]: With dead ends: 2323 [2020-09-04 20:37:43,919 INFO L226 Difference]: Without dead ends: 1429 [2020-09-04 20:37:43,922 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-04 20:37:43,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1429 states. [2020-09-04 20:37:44,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1429 to 1041. [2020-09-04 20:37:44,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1041 states. [2020-09-04 20:37:44,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 1041 states and 1153 transitions. [2020-09-04 20:37:44,197 INFO L78 Accepts]: Start accepts. Automaton has 1041 states and 1153 transitions. Word has length 196 [2020-09-04 20:37:44,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:37:44,197 INFO L479 AbstractCegarLoop]: Abstraction has 1041 states and 1153 transitions. [2020-09-04 20:37:44,198 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 20:37:44,198 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 1153 transitions. [2020-09-04 20:37:44,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-09-04 20:37:44,202 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:37:44,202 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 20:37:44,202 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-04 20:37:44,202 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:37:44,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:37:44,203 INFO L82 PathProgramCache]: Analyzing trace with hash 1672475787, now seen corresponding path program 1 times [2020-09-04 20:37:44,203 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:37:44,203 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [732115626] [2020-09-04 20:37:44,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:37:44,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:44,554 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:37:44,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:37:44,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:44,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 20:37:44,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:44,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 20:37:44,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:44,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 20:37:44,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:44,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 20:37:44,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:44,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 20:37:44,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:44,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-04 20:37:44,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:44,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-04 20:37:44,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:44,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:37:44,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:44,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 20:37:44,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:44,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 20:37:44,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:44,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-04 20:37:44,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:44,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-09-04 20:37:44,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:44,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 20:37:44,864 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [732115626] [2020-09-04 20:37:44,864 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:37:44,864 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-04 20:37:44,865 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238633491] [2020-09-04 20:37:44,865 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-04 20:37:44,865 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:37:44,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-04 20:37:44,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-09-04 20:37:44,866 INFO L87 Difference]: Start difference. First operand 1041 states and 1153 transitions. Second operand 14 states. [2020-09-04 20:37:45,516 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:37:45,838 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 20:37:46,147 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:37:46,448 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 20:37:46,748 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:37:47,789 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:37:48,160 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 20:37:48,497 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:37:48,848 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 20:37:49,162 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:37:50,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:37:50,925 INFO L93 Difference]: Finished difference Result 2399 states and 2874 transitions. [2020-09-04 20:37:50,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-04 20:37:50,925 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 196 [2020-09-04 20:37:50,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:37:50,933 INFO L225 Difference]: With dead ends: 2399 [2020-09-04 20:37:50,934 INFO L226 Difference]: Without dead ends: 1473 [2020-09-04 20:37:50,937 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-09-04 20:37:50,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1473 states. [2020-09-04 20:37:51,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1473 to 1065. [2020-09-04 20:37:51,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1065 states. [2020-09-04 20:37:51,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 1065 states and 1177 transitions. [2020-09-04 20:37:51,403 INFO L78 Accepts]: Start accepts. Automaton has 1065 states and 1177 transitions. Word has length 196 [2020-09-04 20:37:51,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:37:51,404 INFO L479 AbstractCegarLoop]: Abstraction has 1065 states and 1177 transitions. [2020-09-04 20:37:51,404 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-04 20:37:51,404 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 1177 transitions. [2020-09-04 20:37:51,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-09-04 20:37:51,410 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:37:51,410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 20:37:51,410 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-04 20:37:51,411 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:37:51,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:37:51,411 INFO L82 PathProgramCache]: Analyzing trace with hash -458646904, now seen corresponding path program 1 times [2020-09-04 20:37:51,411 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:37:51,412 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1312691613] [2020-09-04 20:37:51,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:37:51,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:51,798 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:37:51,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:37:51,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:51,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 20:37:51,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:51,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 20:37:51,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:51,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 20:37:51,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:51,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 20:37:51,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:51,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 20:37:51,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:51,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-04 20:37:51,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:51,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-04 20:37:51,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:51,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:37:51,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:51,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 20:37:51,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:51,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 20:37:51,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:51,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-04 20:37:51,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:51,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-09-04 20:37:51,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:51,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 20:37:51,987 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1312691613] [2020-09-04 20:37:51,987 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:37:51,987 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-04 20:37:51,988 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620397077] [2020-09-04 20:37:51,988 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 20:37:51,988 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:37:51,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 20:37:51,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-04 20:37:51,989 INFO L87 Difference]: Start difference. First operand 1065 states and 1177 transitions. Second operand 8 states. [2020-09-04 20:37:52,659 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:37:53,486 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:37:56,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:37:56,327 INFO L93 Difference]: Finished difference Result 3607 states and 4400 transitions. [2020-09-04 20:37:56,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-04 20:37:56,328 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 196 [2020-09-04 20:37:56,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:37:56,344 INFO L225 Difference]: With dead ends: 3607 [2020-09-04 20:37:56,344 INFO L226 Difference]: Without dead ends: 2657 [2020-09-04 20:37:56,350 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 37 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=155, Invalid=445, Unknown=0, NotChecked=0, Total=600 [2020-09-04 20:37:56,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2657 states. [2020-09-04 20:37:57,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2657 to 2107. [2020-09-04 20:37:57,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2107 states. [2020-09-04 20:37:57,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2107 states to 2107 states and 2383 transitions. [2020-09-04 20:37:57,220 INFO L78 Accepts]: Start accepts. Automaton has 2107 states and 2383 transitions. Word has length 196 [2020-09-04 20:37:57,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:37:57,221 INFO L479 AbstractCegarLoop]: Abstraction has 2107 states and 2383 transitions. [2020-09-04 20:37:57,221 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 20:37:57,221 INFO L276 IsEmpty]: Start isEmpty. Operand 2107 states and 2383 transitions. [2020-09-04 20:37:57,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-09-04 20:37:57,227 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:37:57,227 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 20:37:57,228 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-04 20:37:57,228 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:37:57,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:37:57,229 INFO L82 PathProgramCache]: Analyzing trace with hash 738354595, now seen corresponding path program 1 times [2020-09-04 20:37:57,229 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:37:57,233 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1040894433] [2020-09-04 20:37:57,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:37:57,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:57,630 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:37:57,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:37:57,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:57,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 20:37:57,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:57,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 20:37:57,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:57,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 20:37:57,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:57,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 20:37:57,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:57,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 20:37:57,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:57,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 20:37:57,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:57,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 20:37:57,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:57,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-09-04 20:37:57,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:57,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:37:57,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:57,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 20:37:57,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:57,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 20:37:57,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:57,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-09-04 20:37:57,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:57,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-09-04 20:37:57,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:57,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 20:37:57,774 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1040894433] [2020-09-04 20:37:57,774 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:37:57,775 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-04 20:37:57,775 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921797793] [2020-09-04 20:37:57,775 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 20:37:57,776 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:37:57,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 20:37:57,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-04 20:37:57,776 INFO L87 Difference]: Start difference. First operand 2107 states and 2383 transitions. Second operand 8 states. [2020-09-04 20:37:58,317 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:38:02,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:38:02,088 INFO L93 Difference]: Finished difference Result 4169 states and 5064 transitions. [2020-09-04 20:38:02,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-04 20:38:02,089 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 201 [2020-09-04 20:38:02,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:38:02,111 INFO L225 Difference]: With dead ends: 4169 [2020-09-04 20:38:02,111 INFO L226 Difference]: Without dead ends: 4166 [2020-09-04 20:38:02,113 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=199, Invalid=503, Unknown=0, NotChecked=0, Total=702 [2020-09-04 20:38:02,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4166 states. [2020-09-04 20:38:03,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4166 to 3255. [2020-09-04 20:38:03,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3255 states. [2020-09-04 20:38:03,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3255 states to 3255 states and 3701 transitions. [2020-09-04 20:38:03,230 INFO L78 Accepts]: Start accepts. Automaton has 3255 states and 3701 transitions. Word has length 201 [2020-09-04 20:38:03,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:38:03,230 INFO L479 AbstractCegarLoop]: Abstraction has 3255 states and 3701 transitions. [2020-09-04 20:38:03,230 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 20:38:03,230 INFO L276 IsEmpty]: Start isEmpty. Operand 3255 states and 3701 transitions. [2020-09-04 20:38:03,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2020-09-04 20:38:03,239 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:38:03,239 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 20:38:03,240 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-04 20:38:03,240 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:38:03,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:38:03,240 INFO L82 PathProgramCache]: Analyzing trace with hash 851018372, now seen corresponding path program 1 times [2020-09-04 20:38:03,240 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:38:03,241 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1138469614] [2020-09-04 20:38:03,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:38:03,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 20:38:03,322 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 20:38:03,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 20:38:03,403 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 20:38:03,666 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-04 20:38:03,666 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-04 20:38:03,667 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-04 20:38:03,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 08:38:03 BoogieIcfgContainer [2020-09-04 20:38:03,950 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 20:38:03,952 INFO L168 Benchmark]: Toolchain (without parser) took 56024.03 ms. Allocated memory was 147.3 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 102.3 MB in the beginning and 836.2 MB in the end (delta: -733.8 MB). Peak memory consumption was 367.7 MB. Max. memory is 7.1 GB. [2020-09-04 20:38:03,953 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 147.3 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-04 20:38:03,954 INFO L168 Benchmark]: CACSL2BoogieTranslator took 740.87 ms. Allocated memory was 147.3 MB in the beginning and 205.0 MB in the end (delta: 57.7 MB). Free memory was 101.9 MB in the beginning and 174.8 MB in the end (delta: -72.9 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2020-09-04 20:38:03,954 INFO L168 Benchmark]: Boogie Preprocessor took 94.61 ms. Allocated memory is still 205.0 MB. Free memory was 174.8 MB in the beginning and 170.2 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2020-09-04 20:38:03,955 INFO L168 Benchmark]: RCFGBuilder took 1225.83 ms. Allocated memory was 205.0 MB in the beginning and 237.0 MB in the end (delta: 32.0 MB). Free memory was 170.2 MB in the beginning and 177.0 MB in the end (delta: -6.7 MB). Peak memory consumption was 82.0 MB. Max. memory is 7.1 GB. [2020-09-04 20:38:03,956 INFO L168 Benchmark]: TraceAbstraction took 53956.75 ms. Allocated memory was 237.0 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 177.0 MB in the beginning and 836.2 MB in the end (delta: -659.2 MB). Peak memory consumption was 352.7 MB. Max. memory is 7.1 GB. [2020-09-04 20:38:03,959 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 147.3 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 740.87 ms. Allocated memory was 147.3 MB in the beginning and 205.0 MB in the end (delta: 57.7 MB). Free memory was 101.9 MB in the beginning and 174.8 MB in the end (delta: -72.9 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.61 ms. Allocated memory is still 205.0 MB. Free memory was 174.8 MB in the beginning and 170.2 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1225.83 ms. Allocated memory was 205.0 MB in the beginning and 237.0 MB in the end (delta: 32.0 MB). Free memory was 170.2 MB in the beginning and 177.0 MB in the end (delta: -6.7 MB). Peak memory consumption was 82.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 53956.75 ms. Allocated memory was 237.0 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 177.0 MB in the beginning and 836.2 MB in the end (delta: -659.2 MB). Peak memory consumption was 352.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 736]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=172, \old(head)=177, \old(head)=162, \old(methAndRunningLastTime)=165, \old(methaneLevelCritical)=146, \old(pumpRunning)=137, \old(systemActive)=136, \old(waterLevel)=139, cleanupTimeShifts=172, head={0:0}, methAndRunningLastTime=165, methaneLevelCritical=146, pumpRunning=137, systemActive=136, waterLevel=139] [L416] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=172, \old(head)=177, \old(head)=162, \old(methAndRunningLastTime)=165, \old(methaneLevelCritical)=146, \old(pumpRunning)=137, \old(systemActive)=136, \old(waterLevel)=139, cleanupTimeShifts=172, head={0:0}, methAndRunningLastTime=165, methaneLevelCritical=146, pumpRunning=0, systemActive=136, waterLevel=139] [L417] int systemActive = 1; VAL [\old(cleanupTimeShifts)=172, \old(head)=177, \old(head)=162, \old(methAndRunningLastTime)=165, \old(methaneLevelCritical)=146, \old(pumpRunning)=137, \old(systemActive)=136, \old(waterLevel)=139, cleanupTimeShifts=172, head={0:0}, methAndRunningLastTime=165, methaneLevelCritical=146, pumpRunning=0, systemActive=1, waterLevel=139] [L655] int methAndRunningLastTime ; VAL [\old(cleanupTimeShifts)=172, \old(head)=162, \old(head)=177, \old(methAndRunningLastTime)=165, \old(methaneLevelCritical)=146, \old(pumpRunning)=137, \old(systemActive)=136, \old(waterLevel)=139, cleanupTimeShifts=172, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=146, pumpRunning=0, systemActive=1, waterLevel=139] [L741] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=172, \old(head)=177, \old(head)=162, \old(methAndRunningLastTime)=165, \old(methaneLevelCritical)=146, \old(pumpRunning)=137, \old(systemActive)=136, \old(waterLevel)=139, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=146, pumpRunning=0, systemActive=1, waterLevel=139] [L839] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=172, \old(head)=162, \old(head)=177, \old(methAndRunningLastTime)=165, \old(methaneLevelCritical)=146, \old(pumpRunning)=137, \old(systemActive)=136, \old(waterLevel)=139, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=146, pumpRunning=0, systemActive=1, waterLevel=1] [L840] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=172, \old(head)=177, \old(head)=162, \old(methAndRunningLastTime)=165, \old(methaneLevelCritical)=146, \old(pumpRunning)=137, \old(systemActive)=136, \old(waterLevel)=139, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L815] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L816] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L820] FCALL select_helpers() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L821] FCALL select_features() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L822] CALL, EXPR valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L723] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L726] retValue_acc = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L727] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L822] RET, EXPR valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L822] tmp = valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, valid_product()=1, waterLevel=1] [L824] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L826] FCALL setup() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L827] CALL runTest() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L808] CALL __utac_acc__Specification2_spec__1() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L660] methAndRunningLastTime = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L808] RET __utac_acc__Specification2_spec__1() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L809] CALL test() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L588] int splverifierCounter ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L589] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L590] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L591] int tmp___1 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L592] int tmp___2 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L595] splverifierCounter = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L597] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L599] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L605] tmp = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L607] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L609] CALL waterRise() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L857] COND TRUE waterLevel < 2 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L858] waterLevel = waterLevel + 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L609] RET waterRise() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L615] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L617] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L619] CALL changeMethaneLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L869] COND FALSE !(\read(methaneLevelCritical)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L872] methaneLevelCritical = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L619] RET changeMethaneLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L625] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L627] COND TRUE \read(tmp___2) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L642] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L424] COND FALSE !(\read(pumpRunning)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L431] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L433] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L453] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L456] COND TRUE ! pumpRunning VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L458] CALL, EXPR isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L550] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L551] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L552] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L556] CALL, EXPR isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L919] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L922] COND FALSE !(waterLevel < 2) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L926] retValue_acc = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L927] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L556] RET, EXPR isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L556] tmp = isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L558] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L561] tmp___0 = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L563] retValue_acc = tmp___0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L564] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L458] RET, EXPR isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L458] tmp = isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L460] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L462] CALL activatePump() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L481] pumpRunning = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L462] RET activatePump() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L433] RET processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L439] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L665] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L666] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L670] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L878] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L881] retValue_acc = methaneLevelCritical VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L882] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L670] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L670] tmp = isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L672] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L674] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L505] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L508] retValue_acc = pumpRunning VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L509] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L674] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L674] tmp___0 = isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L676] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L677] COND FALSE !(\read(methAndRunningLastTime)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L682] methAndRunningLastTime = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L439] RET __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L642] RET timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L597] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L599] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L605] tmp = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L607] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L615] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L617] COND FALSE !(\read(tmp___0)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L625] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L627] COND TRUE \read(tmp___2) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L642] CALL timeShift() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L424] COND TRUE \read(pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L426] CALL lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L845] COND TRUE waterLevel > 0 VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L846] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L426] RET lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L431] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L433] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L453] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L456] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L471] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L433] RET processEnvironment() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L439] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L665] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L666] int tmp___0 ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L670] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L878] int retValue_acc ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L881] retValue_acc = methaneLevelCritical VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L882] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L670] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L670] tmp = isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L672] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L674] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L505] int retValue_acc ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L508] retValue_acc = pumpRunning VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L509] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L674] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L674] tmp___0 = isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L676] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L677] COND TRUE \read(methAndRunningLastTime) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L679] CALL __automaton_fail() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L736] __VERIFIER_error() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 621 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 53.5s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 42.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2310 SDtfs, 6785 SDslu, 4480 SDs, 0 SdLazy, 8739 SolverSat, 2039 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 454 GetRequests, 266 SyntacticMatches, 3 SemanticMatches, 185 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 815 ImplicationChecksByTransitivity, 17.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3255occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 2988 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 2009 NumberOfCodeBlocks, 2009 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1739 ConstructedInterpolants, 0 QuantifiedInterpolants, 774841 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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...