/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 20:05:12,570 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 20:05:12,575 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 20:05:12,634 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 20:05:12,635 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 20:05:12,640 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 20:05:12,645 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 20:05:12,653 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 20:05:12,657 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 20:05:12,663 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 20:05:12,664 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 20:05:12,666 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-23 20:05:12,666 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-23 20:05:12,669 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-23 20:05:12,672 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-23 20:05:12,674 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-23 20:05:12,676 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-23 20:05:12,680 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-23 20:05:12,687 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-23 20:05:12,697 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-23 20:05:12,699 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-23 20:05:12,701 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-23 20:05:12,703 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-23 20:05:12,706 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-23 20:05:12,715 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-23 20:05:12,716 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-23 20:05:12,716 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-23 20:05:12,718 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-23 20:05:12,719 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-23 20:05:12,720 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-23 20:05:12,720 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-23 20:05:12,721 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-23 20:05:12,723 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-23 20:05:12,724 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-23 20:05:12,725 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-23 20:05:12,726 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-23 20:05:12,726 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-23 20:05:12,727 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-23 20:05:12,727 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 20:05:12,728 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 20:05:12,729 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 20:05:12,730 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-23 20:05:12,755 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 20:05:12,755 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 20:05:12,761 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 20:05:12,761 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 20:05:12,768 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 20:05:12,769 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 20:05:12,769 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 20:05:12,769 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 20:05:12,769 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 20:05:12,770 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 20:05:12,771 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 20:05:12,771 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 20:05:12,772 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 20:05:12,772 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 20:05:12,772 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 20:05:12,773 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-23 20:05:12,773 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 20:05:12,773 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 20:05:12,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 20:05:12,774 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 20:05:12,774 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-23 20:05:12,774 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 20:05:12,774 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 20:05:13,217 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 20:05:13,254 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 20:05:13,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 20:05:13,257 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 20:05:13,258 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 20:05:13,259 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product21.cil.c [2020-10-23 20:05:13,347 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f85bbddb/b7a282aa8018411bba4fd763e0a3ea19/FLAG595ac6c78 [2020-10-23 20:05:14,105 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 20:05:14,106 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product21.cil.c [2020-10-23 20:05:14,121 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f85bbddb/b7a282aa8018411bba4fd763e0a3ea19/FLAG595ac6c78 [2020-10-23 20:05:14,420 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f85bbddb/b7a282aa8018411bba4fd763e0a3ea19 [2020-10-23 20:05:14,423 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 20:05:14,431 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 20:05:14,440 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 20:05:14,440 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 20:05:14,444 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 20:05:14,445 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 08:05:14" (1/1) ... [2020-10-23 20:05:14,449 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f3d5c8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:05:14, skipping insertion in model container [2020-10-23 20:05:14,449 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 08:05:14" (1/1) ... [2020-10-23 20:05:14,458 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 20:05:14,537 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 20:05:14,885 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 20:05:14,908 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 20:05:15,078 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 20:05:15,125 INFO L208 MainTranslator]: Completed translation [2020-10-23 20:05:15,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:05:15 WrapperNode [2020-10-23 20:05:15,126 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 20:05:15,128 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 20:05:15,128 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 20:05:15,128 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 20:05:15,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:05:15" (1/1) ... [2020-10-23 20:05:15,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:05:15" (1/1) ... [2020-10-23 20:05:15,184 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:05:15" (1/1) ... [2020-10-23 20:05:15,185 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:05:15" (1/1) ... [2020-10-23 20:05:15,241 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:05:15" (1/1) ... [2020-10-23 20:05:15,259 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:05:15" (1/1) ... [2020-10-23 20:05:15,269 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:05:15" (1/1) ... [2020-10-23 20:05:15,287 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 20:05:15,288 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 20:05:15,289 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 20:05:15,289 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 20:05:15,292 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:05:15" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 20:05:15,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 20:05:15,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 20:05:15,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-23 20:05:15,382 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 20:05:15,382 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-23 20:05:15,382 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-23 20:05:15,382 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-10-23 20:05:15,383 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-23 20:05:15,383 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-23 20:05:15,383 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-23 20:05:15,383 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-23 20:05:15,384 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-23 20:05:15,384 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-23 20:05:15,384 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-23 20:05:15,384 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-23 20:05:15,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-23 20:05:15,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-23 20:05:15,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-23 20:05:15,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-23 20:05:15,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-23 20:05:15,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-23 20:05:15,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-23 20:05:15,386 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-23 20:05:15,386 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-23 20:05:15,386 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-23 20:05:15,387 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-23 20:05:15,387 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-23 20:05:15,387 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-23 20:05:15,387 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-23 20:05:15,387 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-23 20:05:15,388 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 20:05:15,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-10-23 20:05:15,388 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-23 20:05:15,388 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-23 20:05:15,388 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-23 20:05:15,389 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-23 20:05:15,389 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-23 20:05:15,389 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-23 20:05:15,389 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-23 20:05:15,390 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 20:05:15,390 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 20:05:15,390 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 20:05:15,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 20:05:15,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 20:05:15,391 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-23 20:05:15,391 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-23 20:05:15,391 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-23 20:05:15,391 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-23 20:05:15,391 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-23 20:05:15,392 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-23 20:05:15,392 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-23 20:05:15,392 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-23 20:05:15,392 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-23 20:05:15,392 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-23 20:05:15,393 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-10-23 20:05:15,393 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-23 20:05:15,393 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-23 20:05:15,393 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-23 20:05:15,393 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-10-23 20:05:15,394 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-23 20:05:15,394 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-23 20:05:15,394 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-23 20:05:15,394 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-23 20:05:15,394 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-23 20:05:15,395 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-23 20:05:15,395 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-23 20:05:15,395 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-23 20:05:15,395 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-23 20:05:15,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-23 20:05:15,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-23 20:05:15,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 20:05:15,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-23 20:05:15,396 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-23 20:05:15,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 20:05:15,397 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-23 20:05:15,397 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-23 20:05:15,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 20:05:15,397 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-23 20:05:15,397 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-23 20:05:15,398 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-23 20:05:15,398 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-23 20:05:15,398 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-23 20:05:15,398 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-23 20:05:15,398 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-23 20:05:15,399 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-23 20:05:15,399 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-23 20:05:15,399 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-23 20:05:15,399 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 20:05:15,399 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-23 20:05:15,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 20:05:15,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 20:05:15,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 20:05:16,958 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 20:05:16,959 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-23 20:05:16,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:05:16 BoogieIcfgContainer [2020-10-23 20:05:16,962 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 20:05:16,964 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 20:05:16,964 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 20:05:16,968 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 20:05:16,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 08:05:14" (1/3) ... [2020-10-23 20:05:16,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e4d14dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 08:05:16, skipping insertion in model container [2020-10-23 20:05:16,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:05:15" (2/3) ... [2020-10-23 20:05:16,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e4d14dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 08:05:16, skipping insertion in model container [2020-10-23 20:05:16,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:05:16" (3/3) ... [2020-10-23 20:05:16,971 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product21.cil.c [2020-10-23 20:05:16,984 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-23 20:05:16,991 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-23 20:05:17,011 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-23 20:05:17,046 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 20:05:17,046 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 20:05:17,046 INFO L379 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-10-23 20:05:17,046 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 20:05:17,047 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 20:05:17,047 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 20:05:17,047 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 20:05:17,047 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 20:05:17,071 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states. [2020-10-23 20:05:17,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-23 20:05:17,091 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:05:17,092 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] [2020-10-23 20:05:17,093 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 20:05:17,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:05:17,099 INFO L82 PathProgramCache]: Analyzing trace with hash -394881661, now seen corresponding path program 1 times [2020-10-23 20:05:17,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:05:17,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [280849828] [2020-10-23 20:05:17,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:05:17,186 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:05:17,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:05:17,923 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 20:05:17,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:05:17,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:05:18,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 20:05:18,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:05:18,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 20:05:18,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:05:18,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 20:05:18,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:05:18,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 20:05:18,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:05:18,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-23 20:05:18,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:05:18,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-23 20:05:18,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:05:18,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 20:05:18,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [280849828] [2020-10-23 20:05:18,214 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:05:18,214 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-23 20:05:18,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796791592] [2020-10-23 20:05:18,221 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 20:05:18,221 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:05:18,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 20:05:18,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-23 20:05:18,239 INFO L87 Difference]: Start difference. First operand 309 states. Second operand 3 states. [2020-10-23 20:05:20,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:05:20,189 INFO L93 Difference]: Finished difference Result 475 states and 565 transitions. [2020-10-23 20:05:20,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 20:05:20,192 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2020-10-23 20:05:20,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:05:20,230 INFO L225 Difference]: With dead ends: 475 [2020-10-23 20:05:20,231 INFO L226 Difference]: Without dead ends: 296 [2020-10-23 20:05:20,239 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-23 20:05:20,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2020-10-23 20:05:20,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 255. [2020-10-23 20:05:20,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2020-10-23 20:05:20,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 276 transitions. [2020-10-23 20:05:20,479 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 276 transitions. Word has length 148 [2020-10-23 20:05:20,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:05:20,480 INFO L481 AbstractCegarLoop]: Abstraction has 255 states and 276 transitions. [2020-10-23 20:05:20,480 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 20:05:20,480 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 276 transitions. [2020-10-23 20:05:20,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-23 20:05:20,485 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:05:20,486 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] [2020-10-23 20:05:20,486 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 20:05:20,486 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 20:05:20,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:05:20,487 INFO L82 PathProgramCache]: Analyzing trace with hash 1262948812, now seen corresponding path program 1 times [2020-10-23 20:05:20,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:05:20,488 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2034508778] [2020-10-23 20:05:20,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:05:20,493 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:05:20,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:05:21,056 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 20:05:21,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:05:21,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:05:21,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 20:05:21,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:05:21,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 20:05:21,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:05:21,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 20:05:21,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:05:21,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 20:05:21,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:05:21,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-23 20:05:21,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:05:21,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-23 20:05:21,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:05:21,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 20:05:21,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2034508778] [2020-10-23 20:05:21,198 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:05:21,198 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-23 20:05:21,198 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978609773] [2020-10-23 20:05:21,200 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-23 20:05:21,200 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:05:21,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-23 20:05:21,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-23 20:05:21,202 INFO L87 Difference]: Start difference. First operand 255 states and 276 transitions. Second operand 4 states. [2020-10-23 20:05:22,142 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 20:05:23,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:05:23,378 INFO L93 Difference]: Finished difference Result 389 states and 436 transitions. [2020-10-23 20:05:23,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-23 20:05:23,379 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 149 [2020-10-23 20:05:23,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:05:23,384 INFO L225 Difference]: With dead ends: 389 [2020-10-23 20:05:23,384 INFO L226 Difference]: Without dead ends: 279 [2020-10-23 20:05:23,386 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-23 20:05:23,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2020-10-23 20:05:23,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 245. [2020-10-23 20:05:23,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2020-10-23 20:05:23,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 263 transitions. [2020-10-23 20:05:23,495 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 263 transitions. Word has length 149 [2020-10-23 20:05:23,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:05:23,496 INFO L481 AbstractCegarLoop]: Abstraction has 245 states and 263 transitions. [2020-10-23 20:05:23,496 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-23 20:05:23,497 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 263 transitions. [2020-10-23 20:05:23,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-23 20:05:23,499 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:05:23,500 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] [2020-10-23 20:05:23,500 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 20:05:23,500 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 20:05:23,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:05:23,501 INFO L82 PathProgramCache]: Analyzing trace with hash -611504601, now seen corresponding path program 1 times [2020-10-23 20:05:23,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:05:23,502 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [515921210] [2020-10-23 20:05:23,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:05:23,506 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:05:23,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:05:24,056 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 20:05:24,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:05:24,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:05:24,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 20:05:24,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:05:24,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 20:05:24,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:05:24,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 20:05:24,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:05:24,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 20:05:24,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:05:24,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-23 20:05:24,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:05:24,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-23 20:05:24,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:05:24,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 20:05:24,339 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [515921210] [2020-10-23 20:05:24,339 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:05:24,340 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-23 20:05:24,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813333709] [2020-10-23 20:05:24,340 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-23 20:05:24,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:05:24,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-23 20:05:24,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-23 20:05:24,342 INFO L87 Difference]: Start difference. First operand 245 states and 263 transitions. Second operand 9 states. [2020-10-23 20:05:25,209 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 20:05:25,731 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 20:05:26,175 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 20:05:26,591 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 20:05:27,001 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:05:27,415 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 20:05:29,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:05:29,288 INFO L93 Difference]: Finished difference Result 409 states and 461 transitions. [2020-10-23 20:05:29,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-23 20:05:29,289 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 158 [2020-10-23 20:05:29,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:05:29,293 INFO L225 Difference]: With dead ends: 409 [2020-10-23 20:05:29,293 INFO L226 Difference]: Without dead ends: 279 [2020-10-23 20:05:29,295 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2020-10-23 20:05:29,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2020-10-23 20:05:29,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 245. [2020-10-23 20:05:29,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2020-10-23 20:05:29,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 262 transitions. [2020-10-23 20:05:29,407 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 262 transitions. Word has length 158 [2020-10-23 20:05:29,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:05:29,408 INFO L481 AbstractCegarLoop]: Abstraction has 245 states and 262 transitions. [2020-10-23 20:05:29,408 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-23 20:05:29,408 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 262 transitions. [2020-10-23 20:05:29,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-10-23 20:05:29,411 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:05:29,411 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 20:05:29,411 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-23 20:05:29,412 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 20:05:29,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:05:29,412 INFO L82 PathProgramCache]: Analyzing trace with hash 1288382786, now seen corresponding path program 1 times [2020-10-23 20:05:29,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:05:29,413 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [446501267] [2020-10-23 20:05:29,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:05:29,417 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:05:29,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:05:29,888 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 20:05:29,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:05:29,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:05:29,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 20:05:29,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:05:29,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 20:05:29,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:05:29,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 20:05:29,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:05:30,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 20:05:30,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:05:30,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-23 20:05:30,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:05:30,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 20:05:30,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:05:30,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 20:05:30,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:05:30,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-23 20:05:30,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:05:30,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-23 20:05:30,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:05:30,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 20:05:30,181 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [446501267] [2020-10-23 20:05:30,181 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:05:30,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-23 20:05:30,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786453476] [2020-10-23 20:05:30,182 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-23 20:05:30,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:05:30,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-23 20:05:30,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2020-10-23 20:05:30,186 INFO L87 Difference]: Start difference. First operand 245 states and 262 transitions. Second operand 14 states. [2020-10-23 20:05:31,061 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 20:05:31,624 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 20:05:32,028 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 20:05:32,449 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 20:05:32,880 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:05:33,298 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 20:05:34,215 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 20:05:36,035 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 20:05:36,504 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:05:37,135 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:05:37,608 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 20:05:38,015 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 20:05:38,427 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-23 20:05:38,847 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 20:05:39,257 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 20:05:39,677 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:05:40,205 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:05:40,743 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-23 20:05:41,155 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:05:41,707 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 20:05:43,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:05:43,346 INFO L93 Difference]: Finished difference Result 718 states and 859 transitions. [2020-10-23 20:05:43,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-23 20:05:43,347 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 171 [2020-10-23 20:05:43,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:05:43,353 INFO L225 Difference]: With dead ends: 718 [2020-10-23 20:05:43,353 INFO L226 Difference]: Without dead ends: 588 [2020-10-23 20:05:43,355 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=252, Invalid=1008, Unknown=0, NotChecked=0, Total=1260 [2020-10-23 20:05:43,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2020-10-23 20:05:43,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 481. [2020-10-23 20:05:43,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2020-10-23 20:05:43,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 535 transitions. [2020-10-23 20:05:43,594 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 535 transitions. Word has length 171 [2020-10-23 20:05:43,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:05:43,595 INFO L481 AbstractCegarLoop]: Abstraction has 481 states and 535 transitions. [2020-10-23 20:05:43,595 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-23 20:05:43,595 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 535 transitions. [2020-10-23 20:05:43,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-10-23 20:05:43,599 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:05:43,599 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] [2020-10-23 20:05:43,600 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-23 20:05:43,600 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 20:05:43,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:05:43,601 INFO L82 PathProgramCache]: Analyzing trace with hash -764020034, now seen corresponding path program 1 times [2020-10-23 20:05:43,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:05:43,601 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1391471048] [2020-10-23 20:05:43,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:05:43,605 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:05:43,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:05:44,052 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 20:05:44,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:05:44,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:05:44,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 20:05:44,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:05:44,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 20:05:44,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:05:44,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 20:05:44,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:05:44,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 20:05:44,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:05:44,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-23 20:05:44,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:05:44,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-23 20:05:44,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:05:44,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-23 20:05:44,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:05:44,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 20:05:44,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:05:44,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 20:05:44,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:05:44,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-23 20:05:44,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:05:44,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-23 20:05:44,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:05:44,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 20:05:44,234 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1391471048] [2020-10-23 20:05:44,235 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:05:44,237 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-23 20:05:44,239 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41714373] [2020-10-23 20:05:44,240 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-23 20:05:44,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:05:44,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-23 20:05:44,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-23 20:05:44,241 INFO L87 Difference]: Start difference. First operand 481 states and 535 transitions. Second operand 6 states. [2020-10-23 20:05:44,895 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 20:05:45,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:05:45,710 INFO L93 Difference]: Finished difference Result 699 states and 802 transitions. [2020-10-23 20:05:45,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-23 20:05:45,712 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 181 [2020-10-23 20:05:45,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:05:45,715 INFO L225 Difference]: With dead ends: 699 [2020-10-23 20:05:45,715 INFO L226 Difference]: Without dead ends: 333 [2020-10-23 20:05:45,717 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-10-23 20:05:45,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2020-10-23 20:05:45,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 312. [2020-10-23 20:05:45,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312 states. [2020-10-23 20:05:45,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 329 transitions. [2020-10-23 20:05:45,860 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 329 transitions. Word has length 181 [2020-10-23 20:05:45,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:05:45,861 INFO L481 AbstractCegarLoop]: Abstraction has 312 states and 329 transitions. [2020-10-23 20:05:45,861 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-23 20:05:45,861 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 329 transitions. [2020-10-23 20:05:45,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-10-23 20:05:45,865 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:05:45,865 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, 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] [2020-10-23 20:05:45,866 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-23 20:05:45,866 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 20:05:45,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:05:45,867 INFO L82 PathProgramCache]: Analyzing trace with hash -1638158856, now seen corresponding path program 1 times [2020-10-23 20:05:45,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:05:45,867 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1754196429] [2020-10-23 20:05:45,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:05:46,017 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-10-23 20:05:46,291 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2020-10-23 20:05:46,504 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-10-23 20:05:46,731 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2020-10-23 20:05:46,944 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-10-23 20:05:47,157 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2020-10-23 20:05:47,389 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2020-10-23 20:05:47,607 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-10-23 20:05:47,807 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2020-10-23 20:05:48,010 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2020-10-23 20:05:48,214 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2020-10-23 20:05:48,423 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-10-23 20:05:48,647 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2020-10-23 20:05:48,887 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-10-23 20:05:49,287 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:05:49,588 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:05:49,872 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:05:50,166 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:05:50,497 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:05:50,792 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:05:51,087 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:05:51,380 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:05:51,666 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:05:51,987 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:05:52,296 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:05:52,604 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:05:52,922 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:05:53,235 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:05:53,566 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:05:53,880 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:05:53,883 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:05:55,273 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2020-10-23 20:05:55,292 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:57,820 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:05:57,826 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:00,439 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:06:00,446 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:02,974 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2020-10-23 20:06:02,978 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:04,202 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2020-10-23 20:06:04,208 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:06,857 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2020-10-23 20:06:06,863 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:09,331 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:06:09,337 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:11,836 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:06:11,842 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:14,335 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:06:14,339 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:16,868 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:06:18,213 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2020-10-23 20:06:18,219 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:20,737 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2020-10-23 20:06:20,741 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:21,964 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2020-10-23 20:06:21,969 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:24,506 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2020-10-23 20:06:27,016 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:06:29,494 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:06:29,499 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:29,503 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:06:29,823 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:06:30,144 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:06:30,474 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:06:30,803 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:06:31,129 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:06:31,454 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:06:31,779 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:06:32,124 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:06:32,439 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:06:32,768 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:06:33,100 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:06:33,435 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:06:33,789 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:06:34,120 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:06:34,430 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:06:34,748 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:06:34,750 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:06:37,209 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 160 [2020-10-23 20:06:37,214 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:39,640 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:06:42,074 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:06:42,079 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:44,570 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 160 [2020-10-23 20:06:44,575 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:46,176 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 160 [2020-10-23 20:06:46,182 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:48,664 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:06:48,670 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:51,095 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:06:53,575 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 159 [2020-10-23 20:06:53,579 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:56,022 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:06:56,027 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:58,497 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 157 [2020-10-23 20:06:58,501 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:00,972 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:07:00,976 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:03,500 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 159 [2020-10-23 20:07:03,505 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:06,015 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 160 [2020-10-23 20:07:06,019 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:08,507 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 157 [2020-10-23 20:07:08,513 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:11,025 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 160 [2020-10-23 20:07:11,029 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:13,572 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 160 [2020-10-23 20:07:13,580 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:13,583 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:07:15,068 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2020-10-23 20:07:15,072 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:17,611 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2020-10-23 20:07:20,127 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 158 [2020-10-23 20:07:20,131 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:21,564 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2020-10-23 20:07:24,113 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2020-10-23 20:07:26,626 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 158 [2020-10-23 20:07:26,630 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:29,106 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 158 [2020-10-23 20:07:29,110 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:31,586 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 158 [2020-10-23 20:07:31,589 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:34,082 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 158 [2020-10-23 20:07:34,086 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:36,611 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 158 [2020-10-23 20:07:36,616 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:39,180 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2020-10-23 20:07:39,184 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:41,794 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2020-10-23 20:07:41,798 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:44,388 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 158 [2020-10-23 20:07:44,391 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:46,980 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 158 [2020-10-23 20:07:49,582 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2020-10-23 20:07:49,586 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:51,285 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2020-10-23 20:07:51,287 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:51,292 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:07:53,809 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:07:53,813 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:56,284 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 157 [2020-10-23 20:07:56,288 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:57,799 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 160 [2020-10-23 20:08:00,381 WARN L193 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 160 [2020-10-23 20:08:00,384 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:02,892 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:08:02,894 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:05,414 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 157 [2020-10-23 20:08:07,952 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:08:07,955 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:10,550 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 159 [2020-10-23 20:08:10,554 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:13,089 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:08:13,092 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:15,664 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 160 [2020-10-23 20:08:18,226 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 160 [2020-10-23 20:08:18,230 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:20,794 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:08:23,355 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 160 [2020-10-23 20:08:23,357 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:25,979 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 160 [2020-10-23 20:08:25,982 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:28,527 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:08:28,531 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:31,197 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 159 [2020-10-23 20:08:31,201 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:31,204 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:08:33,834 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 161 [2020-10-23 20:08:33,837 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:36,435 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 161 [2020-10-23 20:08:36,441 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:39,085 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:08:39,089 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:41,716 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:08:41,719 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:44,337 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 161 [2020-10-23 20:08:44,341 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:46,942 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 161 [2020-10-23 20:08:46,945 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:49,596 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:08:49,600 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:52,222 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:08:52,225 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:54,833 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:08:54,836 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:57,385 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 161 [2020-10-23 20:08:57,388 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:59,952 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 161 [2020-10-23 20:08:59,955 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:09:02,586 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 161 [2020-10-23 20:09:02,589 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:09:05,193 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 161 [2020-10-23 20:09:05,197 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:09:07,815 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:09:07,819 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:09:10,014 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:09:10,017 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:09:12,649 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:09:12,652 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:09:12,655 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:09:12,982 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:09:13,333 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:09:13,686 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:09:14,047 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:09:14,418 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:09:14,787 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:09:15,153 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:09:15,512 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:09:15,844 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:09:16,170 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:09:16,505 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:09:16,841 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:09:17,174 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:09:17,515 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:09:17,859 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:09:18,191 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:09:18,195 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:09:18,527 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 106 [2020-10-23 20:09:18,863 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:09:19,188 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:09:19,508 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:09:19,826 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:09:20,153 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 107 [2020-10-23 20:09:20,474 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 106 [2020-10-23 20:09:20,796 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 107 [2020-10-23 20:09:21,121 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:09:21,440 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 107 [2020-10-23 20:09:21,781 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:09:22,111 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 106 [2020-10-23 20:09:22,426 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 106 [2020-10-23 20:09:22,747 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:09:23,078 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:09:23,406 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 107 [2020-10-23 20:09:23,409 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:09:23,741 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:09:24,068 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:09:24,388 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:09:24,702 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:09:25,026 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:09:25,342 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:09:25,671 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:09:25,994 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:09:26,322 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:09:26,677 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:09:27,026 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:09:27,378 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:09:27,703 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:09:28,048 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:09:28,406 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:09:28,779 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:09:28,782 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:09:29,113 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 106 [2020-10-23 20:09:29,428 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 106 [2020-10-23 20:09:29,745 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 107 [2020-10-23 20:09:30,073 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:09:30,417 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:09:30,741 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:09:31,071 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 106 [2020-10-23 20:09:31,432 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 107 [2020-10-23 20:09:31,791 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 106 [2020-10-23 20:09:32,149 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:09:32,505 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:09:32,853 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 107 [2020-10-23 20:09:33,170 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 107 [2020-10-23 20:09:33,496 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:09:33,823 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:09:34,151 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:09:34,153 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:09:36,726 WARN L193 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:09:36,730 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:09:39,239 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:09:39,243 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:09:41,340 WARN L193 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:09:41,344 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:09:43,927 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:09:43,930 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:09:46,506 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:09:46,511 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:09:49,041 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:09:49,043 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:09:51,654 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:09:51,656 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:09:54,283 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:09:54,285 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:09:56,907 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:09:56,919 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:09:59,565 WARN L193 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:09:59,569 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:10:02,195 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:10:02,198 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:10:04,777 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:10:04,780 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:10:07,355 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:10:07,358 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:10:09,892 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:10:09,896 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:10:12,481 WARN L193 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:10:12,484 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:10:15,013 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:10:15,017 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:10:15,021 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:10:17,693 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2020-10-23 20:10:17,696 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:10:20,326 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2020-10-23 20:10:20,329 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:10:22,989 WARN L193 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2020-10-23 20:10:22,995 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:10:25,696 WARN L193 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2020-10-23 20:10:25,699 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:10:28,249 WARN L193 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:10:28,253 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:10:30,847 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:10:30,851 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:10:33,467 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:10:33,470 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:10:36,109 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2020-10-23 20:10:36,112 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:10:38,736 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2020-10-23 20:10:38,740 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:10:41,409 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2020-10-23 20:10:41,412 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:10:43,993 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2020-10-23 20:10:43,996 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:10:46,613 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:10:46,615 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:10:49,208 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:10:49,211 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:10:51,823 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:10:51,826 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:10:54,433 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:10:54,435 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:10:57,036 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:10:57,039 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:10:57,041 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:10:59,660 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:10:59,664 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:11:02,324 WARN L193 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:11:02,327 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:11:04,918 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:11:04,921 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:11:07,591 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:11:07,594 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:11:10,180 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:11:12,818 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:11:12,821 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:11:15,385 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:11:15,388 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:11:17,965 WARN L193 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:11:17,968 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:11:20,637 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:11:20,639 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:11:23,316 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:11:23,319 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:11:25,957 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:11:25,960 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:11:28,567 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:11:28,570 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:11:31,259 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:11:31,262 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:11:34,574 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:11:34,578 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:11:37,218 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:11:37,221 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:11:39,842 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:11:39,845 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:11:39,847 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:11:40,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 20:11:40,627 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 20:11:41,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 20:11:41,262 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 20:11:41,547 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-23 20:11:41,548 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-23 20:11:41,550 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-23 20:11:41,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 08:11:41 BoogieIcfgContainer [2020-10-23 20:11:41,595 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 20:11:41,596 INFO L168 Benchmark]: Toolchain (without parser) took 387170.49 ms. Allocated memory was 125.8 MB in the beginning and 393.2 MB in the end (delta: 267.4 MB). Free memory was 101.9 MB in the beginning and 147.4 MB in the end (delta: -45.5 MB). Peak memory consumption was 222.9 MB. Max. memory is 8.0 GB. [2020-10-23 20:11:41,596 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 125.8 MB. Free memory was 103.5 MB in the beginning and 103.4 MB in the end (delta: 76.1 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 20:11:41,597 INFO L168 Benchmark]: CACSL2BoogieTranslator took 686.96 ms. Allocated memory is still 125.8 MB. Free memory was 101.3 MB in the beginning and 80.3 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-10-23 20:11:41,597 INFO L168 Benchmark]: Boogie Preprocessor took 159.29 ms. Allocated memory is still 125.8 MB. Free memory was 80.3 MB in the beginning and 76.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-23 20:11:41,598 INFO L168 Benchmark]: RCFGBuilder took 1673.78 ms. Allocated memory was 125.8 MB in the beginning and 154.1 MB in the end (delta: 28.3 MB). Free memory was 76.5 MB in the beginning and 79.4 MB in the end (delta: -2.9 MB). Peak memory consumption was 29.8 MB. Max. memory is 8.0 GB. [2020-10-23 20:11:41,599 INFO L168 Benchmark]: TraceAbstraction took 384630.91 ms. Allocated memory was 154.1 MB in the beginning and 393.2 MB in the end (delta: 239.1 MB). Free memory was 78.9 MB in the beginning and 147.4 MB in the end (delta: -68.5 MB). Peak memory consumption was 171.1 MB. Max. memory is 8.0 GB. [2020-10-23 20:11:41,600 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 125.8 MB. Free memory was 103.5 MB in the beginning and 103.4 MB in the end (delta: 76.1 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 686.96 ms. Allocated memory is still 125.8 MB. Free memory was 101.3 MB in the beginning and 80.3 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 159.29 ms. Allocated memory is still 125.8 MB. Free memory was 80.3 MB in the beginning and 76.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1673.78 ms. Allocated memory was 125.8 MB in the beginning and 154.1 MB in the end (delta: 28.3 MB). Free memory was 76.5 MB in the beginning and 79.4 MB in the end (delta: -2.9 MB). Peak memory consumption was 29.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 384630.91 ms. Allocated memory was 154.1 MB in the beginning and 393.2 MB in the end (delta: 239.1 MB). Free memory was 78.9 MB in the beginning and 147.4 MB in the end (delta: -68.5 MB). Peak memory consumption was 171.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L51] int pumpRunning = 0; [L52] int systemActive = 1; [L476] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L711] int cleanupTimeShifts = 4; [L834] int waterLevel = 1; [L835] int methaneLevelCritical = 0; [L784] int retValue_acc ; [L785] int tmp ; [L789] FCALL select_helpers() [L790] FCALL select_features() [L791] CALL, EXPR valid_product() [L702] int retValue_acc ; [L705] retValue_acc = 1 [L706] return (retValue_acc); [L791] RET, EXPR valid_product() [L791] tmp = valid_product() [L793] COND TRUE \read(tmp) [L795] FCALL setup() [L796] CALL runTest() [L778] CALL test() [L234] int splverifierCounter ; [L235] int tmp ; [L236] int tmp___0 ; [L237] int tmp___1 ; [L238] int tmp___2 ; [L241] splverifierCounter = 0 [L243] COND TRUE 1 [L245] COND TRUE splverifierCounter < 4 [L251] tmp = __VERIFIER_nondet_int() [L253] COND TRUE \read(tmp) [L255] CALL waterRise() [L852] COND TRUE waterLevel < 2 [L853] waterLevel = waterLevel + 1 [L255] RET waterRise() [L261] tmp___0 = __VERIFIER_nondet_int() [L263] COND FALSE !(\read(tmp___0)) [L271] tmp___2 = __VERIFIER_nondet_int() [L273] COND TRUE \read(tmp___2) [L286] CALL timeShift() [L59] COND FALSE !(\read(pumpRunning)) [L66] COND TRUE \read(systemActive) [L68] CALL processEnvironment() [L114] int tmp ; [L117] COND FALSE !(\read(pumpRunning)) [L132] CALL processEnvironment__wrappee__lowWaterSensor() [L88] int tmp ; [L91] COND FALSE !(\read(pumpRunning)) [L106] FCALL processEnvironment__wrappee__base() [L132] RET processEnvironment__wrappee__lowWaterSensor() [L68] RET processEnvironment() [L74] CALL __utac_acc__Specification4_spec__1() [L809] int tmp ; [L810] int tmp___0 ; [L814] CALL, EXPR getWaterLevel() [L905] int retValue_acc ; [L908] retValue_acc = waterLevel [L909] return (retValue_acc); [L814] RET, EXPR getWaterLevel() [L814] tmp = getWaterLevel() [L816] COND FALSE !(tmp == 0) [L74] RET __utac_acc__Specification4_spec__1() [L286] RET timeShift() [L243] COND TRUE 1 [L245] COND TRUE splverifierCounter < 4 [L251] tmp = __VERIFIER_nondet_int() [L253] COND TRUE \read(tmp) [L255] CALL waterRise() [L852] COND TRUE waterLevel < 2 [L853] waterLevel = waterLevel + 1 [L255] RET waterRise() [L261] tmp___0 = __VERIFIER_nondet_int() [L263] COND FALSE !(\read(tmp___0)) [L271] tmp___2 = __VERIFIER_nondet_int() [L273] COND TRUE \read(tmp___2) [L286] CALL timeShift() [L59] COND FALSE !(\read(pumpRunning)) [L66] COND TRUE \read(systemActive) [L68] CALL processEnvironment() [L114] int tmp ; [L117] COND FALSE !(\read(pumpRunning)) [L132] CALL processEnvironment__wrappee__lowWaterSensor() [L88] int tmp ; [L91] COND FALSE !(\read(pumpRunning)) [L106] FCALL processEnvironment__wrappee__base() [L132] RET processEnvironment__wrappee__lowWaterSensor() [L68] RET processEnvironment() [L74] CALL __utac_acc__Specification4_spec__1() [L809] int tmp ; [L810] int tmp___0 ; [L814] CALL, EXPR getWaterLevel() [L905] int retValue_acc ; [L908] retValue_acc = waterLevel [L909] return (retValue_acc); [L814] RET, EXPR getWaterLevel() [L814] tmp = getWaterLevel() [L816] COND TRUE tmp == 0 [L818] CALL, EXPR isPumpRunning() [L166] int retValue_acc ; [L169] retValue_acc = pumpRunning [L170] return (retValue_acc); [L818] RET, EXPR isPumpRunning() [L818] tmp___0 = isPumpRunning() [L820] COND TRUE \read(tmp___0) [L822] CALL __automaton_fail() [L302] CALL reach_error() [L3] __assert_fail("0", "minepump_spec4_product21.cil.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 628 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 384.5s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 23.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1098 SDtfs, 1799 SDslu, 1803 SDs, 0 SdLazy, 3741 SolverSat, 568 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 161 GetRequests, 100 SyntacticMatches, 1 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 13.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=481occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 5 MinimizatonAttempts, 237 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, 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...