/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_product13.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 20:02:00,539 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 20:02:00,542 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 20:02:00,579 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 20:02:00,580 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 20:02:00,582 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 20:02:00,584 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 20:02:00,586 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 20:02:00,589 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 20:02:00,590 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 20:02:00,592 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 20:02:00,593 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-23 20:02:00,594 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-23 20:02:00,596 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-23 20:02:00,597 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-23 20:02:00,599 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-23 20:02:00,600 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-23 20:02:00,602 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-23 20:02:00,624 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-23 20:02:00,627 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-23 20:02:00,629 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-23 20:02:00,631 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-23 20:02:00,633 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-23 20:02:00,634 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-23 20:02:00,637 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-23 20:02:00,638 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-23 20:02:00,638 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-23 20:02:00,640 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-23 20:02:00,640 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-23 20:02:00,642 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-23 20:02:00,642 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-23 20:02:00,643 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-23 20:02:00,644 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-23 20:02:00,645 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-23 20:02:00,647 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-23 20:02:00,647 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-23 20:02:00,648 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-23 20:02:00,649 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-23 20:02:00,649 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 20:02:00,651 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 20:02:00,652 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 20:02:00,653 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 20:02:00,667 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 20:02:00,667 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 20:02:00,669 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 20:02:00,670 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 20:02:00,670 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 20:02:00,670 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 20:02:00,670 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 20:02:00,670 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 20:02:00,671 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 20:02:00,671 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 20:02:00,671 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 20:02:00,671 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 20:02:00,672 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 20:02:00,672 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 20:02:00,672 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 20:02:00,672 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-23 20:02:00,672 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 20:02:00,673 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 20:02:00,673 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 20:02:00,673 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 20:02:00,673 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-23 20:02:00,674 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 20:02:00,674 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 20:02:01,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 20:02:01,148 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 20:02:01,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 20:02:01,154 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 20:02:01,156 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 20:02:01,157 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product13.cil.c [2020-10-23 20:02:01,239 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83aa0f3e6/7a1aac81e2f0491487f7577a7b3eb5ac/FLAG8c9214d32 [2020-10-23 20:02:01,977 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 20:02:01,978 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product13.cil.c [2020-10-23 20:02:02,000 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83aa0f3e6/7a1aac81e2f0491487f7577a7b3eb5ac/FLAG8c9214d32 [2020-10-23 20:02:02,265 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83aa0f3e6/7a1aac81e2f0491487f7577a7b3eb5ac [2020-10-23 20:02:02,269 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 20:02:02,280 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 20:02:02,285 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 20:02:02,285 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 20:02:02,290 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 20:02:02,291 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 08:02:02" (1/1) ... [2020-10-23 20:02:02,296 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@282ef8b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:02:02, skipping insertion in model container [2020-10-23 20:02:02,296 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 08:02:02" (1/1) ... [2020-10-23 20:02:02,307 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 20:02:02,382 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 20:02:02,824 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 20:02:02,848 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 20:02:02,936 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 20:02:02,972 INFO L208 MainTranslator]: Completed translation [2020-10-23 20:02:02,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:02:02 WrapperNode [2020-10-23 20:02:02,973 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 20:02:02,977 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 20:02:02,977 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 20:02:02,978 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 20:02:02,992 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:02:02" (1/1) ... [2020-10-23 20:02:02,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:02:02" (1/1) ... [2020-10-23 20:02:03,039 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:02:02" (1/1) ... [2020-10-23 20:02:03,040 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:02:02" (1/1) ... [2020-10-23 20:02:03,098 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:02:02" (1/1) ... [2020-10-23 20:02:03,119 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:02:02" (1/1) ... [2020-10-23 20:02:03,132 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:02:02" (1/1) ... [2020-10-23 20:02:03,142 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 20:02:03,146 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 20:02:03,147 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 20:02:03,147 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 20:02:03,148 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:02:02" (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 20:02:03,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 20:02:03,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 20:02:03,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-23 20:02:03,262 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 20:02:03,262 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-23 20:02:03,262 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-23 20:02:03,262 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-23 20:02:03,263 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-23 20:02:03,263 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-23 20:02:03,263 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-23 20:02:03,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-23 20:02:03,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-23 20:02:03,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-23 20:02:03,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-23 20:02:03,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-23 20:02:03,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-23 20:02:03,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-23 20:02:03,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-10-23 20:02:03,265 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-23 20:02:03,266 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-23 20:02:03,268 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-23 20:02:03,268 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-23 20:02:03,271 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 20:02:03,271 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-23 20:02:03,272 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-10-23 20:02:03,272 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-23 20:02:03,272 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-10-23 20:02:03,272 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-23 20:02:03,272 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-23 20:02:03,272 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-23 20:02:03,273 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-23 20:02:03,273 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-23 20:02:03,273 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-23 20:02:03,273 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-23 20:02:03,273 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-23 20:02:03,273 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-23 20:02:03,273 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-23 20:02:03,274 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 20:02:03,274 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 20:02:03,274 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 20:02:03,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 20:02:03,274 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 20:02:03,274 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-23 20:02:03,274 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-23 20:02:03,275 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-23 20:02:03,275 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-23 20:02:03,275 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-23 20:02:03,275 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-23 20:02:03,275 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-23 20:02:03,275 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-23 20:02:03,275 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-23 20:02:03,276 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-23 20:02:03,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-23 20:02:03,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-23 20:02:03,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 20:02:03,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-23 20:02:03,276 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-23 20:02:03,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 20:02:03,277 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-23 20:02:03,277 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-23 20:02:03,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 20:02:03,277 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-23 20:02:03,277 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-23 20:02:03,277 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-23 20:02:03,277 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-23 20:02:03,277 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-23 20:02:03,278 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-10-23 20:02:03,278 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-23 20:02:03,278 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-23 20:02:03,278 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-23 20:02:03,278 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-23 20:02:03,278 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-23 20:02:03,278 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-23 20:02:03,279 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-23 20:02:03,279 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-23 20:02:03,280 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-23 20:02:03,280 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-23 20:02:03,280 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 20:02:03,280 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-23 20:02:03,280 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-23 20:02:03,281 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-23 20:02:03,281 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-10-23 20:02:03,282 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-23 20:02:03,282 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-10-23 20:02:03,282 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-23 20:02:03,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 20:02:03,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 20:02:03,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 20:02:04,878 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 20:02:04,878 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-23 20:02:04,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:02:04 BoogieIcfgContainer [2020-10-23 20:02:04,882 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 20:02:04,884 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 20:02:04,884 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 20:02:04,888 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 20:02:04,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 08:02:02" (1/3) ... [2020-10-23 20:02:04,890 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1154d543 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 08:02:04, skipping insertion in model container [2020-10-23 20:02:04,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:02:02" (2/3) ... [2020-10-23 20:02:04,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1154d543 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 08:02:04, skipping insertion in model container [2020-10-23 20:02:04,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:02:04" (3/3) ... [2020-10-23 20:02:04,893 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product13.cil.c [2020-10-23 20:02:04,908 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-23 20:02:04,916 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-23 20:02:04,933 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-23 20:02:04,963 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 20:02:04,963 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 20:02:04,963 INFO L379 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-10-23 20:02:04,964 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 20:02:04,964 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 20:02:04,964 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 20:02:04,964 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 20:02:04,964 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 20:02:04,994 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states. [2020-10-23 20:02:05,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-23 20:02:05,015 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:02:05,016 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 20:02:05,017 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 20:02:05,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:02:05,026 INFO L82 PathProgramCache]: Analyzing trace with hash 1041486153, now seen corresponding path program 1 times [2020-10-23 20:02:05,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:02:05,038 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [7586671] [2020-10-23 20:02:05,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:02:05,134 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:02:05,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:06,051 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 20:02:06,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:02:06,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:06,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 20:02:06,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:06,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 20:02:06,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:06,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 20:02:06,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:06,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 20:02:06,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:06,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-23 20:02:06,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:06,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-23 20:02:06,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:06,239 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 20:02:06,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [7586671] [2020-10-23 20:02:06,244 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:02:06,245 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-23 20:02:06,245 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65113869] [2020-10-23 20:02:06,252 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 20:02:06,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:02:06,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 20:02:06,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-23 20:02:06,270 INFO L87 Difference]: Start difference. First operand 288 states. Second operand 3 states. [2020-10-23 20:02:07,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:02:07,920 INFO L93 Difference]: Finished difference Result 411 states and 490 transitions. [2020-10-23 20:02:07,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 20:02:07,923 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2020-10-23 20:02:07,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:02:07,940 INFO L225 Difference]: With dead ends: 411 [2020-10-23 20:02:07,940 INFO L226 Difference]: Without dead ends: 263 [2020-10-23 20:02:07,945 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-23 20:02:07,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2020-10-23 20:02:08,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 224. [2020-10-23 20:02:08,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-10-23 20:02:08,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 240 transitions. [2020-10-23 20:02:08,084 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 240 transitions. Word has length 148 [2020-10-23 20:02:08,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:02:08,086 INFO L481 AbstractCegarLoop]: Abstraction has 224 states and 240 transitions. [2020-10-23 20:02:08,086 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 20:02:08,086 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 240 transitions. [2020-10-23 20:02:08,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-23 20:02:08,091 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:02:08,091 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 20:02:08,091 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 20:02:08,092 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 20:02:08,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:02:08,092 INFO L82 PathProgramCache]: Analyzing trace with hash 1238733359, now seen corresponding path program 1 times [2020-10-23 20:02:08,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:02:08,093 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2126958530] [2020-10-23 20:02:08,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:02:08,098 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:02:08,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:08,722 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 20:02:08,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:02:08,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:08,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 20:02:08,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:08,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 20:02:08,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:08,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 20:02:08,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:08,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 20:02:08,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:08,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-23 20:02:08,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:08,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-23 20:02:08,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:08,818 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 20:02:08,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2126958530] [2020-10-23 20:02:08,819 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:02:08,820 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-23 20:02:08,820 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820452746] [2020-10-23 20:02:08,821 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-23 20:02:08,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:02:08,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-23 20:02:08,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-23 20:02:08,823 INFO L87 Difference]: Start difference. First operand 224 states and 240 transitions. Second operand 4 states. [2020-10-23 20:02:09,840 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 20:02:10,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:02:10,795 INFO L93 Difference]: Finished difference Result 325 states and 361 transitions. [2020-10-23 20:02:10,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-23 20:02:10,796 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 149 [2020-10-23 20:02:10,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:02:10,801 INFO L225 Difference]: With dead ends: 325 [2020-10-23 20:02:10,801 INFO L226 Difference]: Without dead ends: 246 [2020-10-23 20:02:10,804 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-23 20:02:10,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2020-10-23 20:02:10,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 214. [2020-10-23 20:02:10,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2020-10-23 20:02:10,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 227 transitions. [2020-10-23 20:02:10,901 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 227 transitions. Word has length 149 [2020-10-23 20:02:10,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:02:10,902 INFO L481 AbstractCegarLoop]: Abstraction has 214 states and 227 transitions. [2020-10-23 20:02:10,903 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-23 20:02:10,903 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 227 transitions. [2020-10-23 20:02:10,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-23 20:02:10,905 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:02:10,906 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 20:02:10,906 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 20:02:10,907 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 20:02:10,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:02:10,907 INFO L82 PathProgramCache]: Analyzing trace with hash -1359561412, now seen corresponding path program 1 times [2020-10-23 20:02:10,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:02:10,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [311079899] [2020-10-23 20:02:10,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:02:10,912 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:02:10,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:11,588 WARN L193 SmtUtils]: Spent 527.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 20:02:11,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:02:11,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:11,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 20:02:11,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:11,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 20:02:11,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:11,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 20:02:11,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:11,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 20:02:11,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:11,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-23 20:02:11,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:11,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-23 20:02:11,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:11,810 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 20:02:11,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [311079899] [2020-10-23 20:02:11,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:02:11,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-23 20:02:11,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051516529] [2020-10-23 20:02:11,812 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-23 20:02:11,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:02:11,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-23 20:02:11,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-23 20:02:11,813 INFO L87 Difference]: Start difference. First operand 214 states and 227 transitions. Second operand 9 states. [2020-10-23 20:02:12,522 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 20:02:13,040 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 20:02:13,470 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 20:02:13,897 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 20:02:14,341 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:02:14,729 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 20:02:16,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:02:16,307 INFO L93 Difference]: Finished difference Result 345 states and 386 transitions. [2020-10-23 20:02:16,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-23 20:02:16,308 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 158 [2020-10-23 20:02:16,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:02:16,312 INFO L225 Difference]: With dead ends: 345 [2020-10-23 20:02:16,312 INFO L226 Difference]: Without dead ends: 246 [2020-10-23 20:02:16,314 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2020-10-23 20:02:16,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2020-10-23 20:02:16,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 214. [2020-10-23 20:02:16,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2020-10-23 20:02:16,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 226 transitions. [2020-10-23 20:02:16,400 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 226 transitions. Word has length 158 [2020-10-23 20:02:16,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:02:16,401 INFO L481 AbstractCegarLoop]: Abstraction has 214 states and 226 transitions. [2020-10-23 20:02:16,401 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-23 20:02:16,402 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 226 transitions. [2020-10-23 20:02:16,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-23 20:02:16,404 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:02:16,404 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 20:02:16,405 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-23 20:02:16,405 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 20:02:16,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:02:16,406 INFO L82 PathProgramCache]: Analyzing trace with hash -545434370, now seen corresponding path program 1 times [2020-10-23 20:02:16,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:02:16,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1894665303] [2020-10-23 20:02:16,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:02:16,410 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:02:16,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:16,916 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 20:02:16,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:02:16,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:16,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 20:02:16,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:16,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 20:02:16,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:16,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 20:02:16,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:17,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 20:02:17,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:17,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-23 20:02:17,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:17,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 20:02:17,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:17,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-23 20:02:17,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:17,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-23 20:02:17,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:17,168 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 20:02:17,169 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1894665303] [2020-10-23 20:02:17,169 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:02:17,169 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-23 20:02:17,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421448059] [2020-10-23 20:02:17,170 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-23 20:02:17,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:02:17,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-23 20:02:17,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2020-10-23 20:02:17,172 INFO L87 Difference]: Start difference. First operand 214 states and 226 transitions. Second operand 14 states. [2020-10-23 20:02:17,879 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 20:02:18,452 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 20:02:18,887 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 20:02:19,350 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 20:02:19,796 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:02:20,210 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 20:02:21,162 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 20:02:22,457 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 20:02:22,898 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:02:23,438 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:02:23,920 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 20:02:24,319 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 20:02:24,737 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-23 20:02:25,154 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 20:02:25,559 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 20:02:25,979 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:02:26,464 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:02:27,038 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-23 20:02:27,462 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:02:27,951 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 20:02:29,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:02:29,271 INFO L93 Difference]: Finished difference Result 588 states and 706 transitions. [2020-10-23 20:02:29,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-23 20:02:29,272 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 166 [2020-10-23 20:02:29,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:02:29,277 INFO L225 Difference]: With dead ends: 588 [2020-10-23 20:02:29,277 INFO L226 Difference]: Without dead ends: 489 [2020-10-23 20:02:29,280 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 216 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=252, Invalid=1008, Unknown=0, NotChecked=0, Total=1260 [2020-10-23 20:02:29,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2020-10-23 20:02:29,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 386. [2020-10-23 20:02:29,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 386 states. [2020-10-23 20:02:29,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 424 transitions. [2020-10-23 20:02:29,490 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 424 transitions. Word has length 166 [2020-10-23 20:02:29,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:02:29,491 INFO L481 AbstractCegarLoop]: Abstraction has 386 states and 424 transitions. [2020-10-23 20:02:29,491 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-23 20:02:29,491 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 424 transitions. [2020-10-23 20:02:29,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-23 20:02:29,494 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:02:29,495 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 20:02:29,495 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-23 20:02:29,496 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 20:02:29,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:02:29,497 INFO L82 PathProgramCache]: Analyzing trace with hash 28823650, now seen corresponding path program 1 times [2020-10-23 20:02:29,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:02:29,497 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2126665431] [2020-10-23 20:02:29,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:02:29,504 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:02:29,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:29,975 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 20:02:29,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:02:29,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:30,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 20:02:30,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:30,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 20:02:30,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:30,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 20:02:30,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:30,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 20:02:30,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:30,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-23 20:02:30,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:30,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-23 20:02:30,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:30,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-23 20:02:30,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:30,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 20:02:30,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:30,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-23 20:02:30,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:30,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-23 20:02:30,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:30,123 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 20:02:30,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2126665431] [2020-10-23 20:02:30,124 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:02:30,124 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-23 20:02:30,124 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940078683] [2020-10-23 20:02:30,125 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-23 20:02:30,125 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:02:30,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-23 20:02:30,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-23 20:02:30,126 INFO L87 Difference]: Start difference. First operand 386 states and 424 transitions. Second operand 6 states. [2020-10-23 20:02:30,846 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 20:02:31,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:02:31,622 INFO L93 Difference]: Finished difference Result 589 states and 669 transitions. [2020-10-23 20:02:31,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-23 20:02:31,626 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 176 [2020-10-23 20:02:31,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:02:31,629 INFO L225 Difference]: With dead ends: 589 [2020-10-23 20:02:31,629 INFO L226 Difference]: Without dead ends: 318 [2020-10-23 20:02:31,631 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-10-23 20:02:31,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-10-23 20:02:31,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 297. [2020-10-23 20:02:31,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2020-10-23 20:02:31,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 314 transitions. [2020-10-23 20:02:31,770 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 314 transitions. Word has length 176 [2020-10-23 20:02:31,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:02:31,770 INFO L481 AbstractCegarLoop]: Abstraction has 297 states and 314 transitions. [2020-10-23 20:02:31,770 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-23 20:02:31,771 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 314 transitions. [2020-10-23 20:02:31,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-23 20:02:31,774 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:02:31,775 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:02:31,775 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-23 20:02:31,775 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 20:02:31,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:02:31,776 INFO L82 PathProgramCache]: Analyzing trace with hash -1621762801, now seen corresponding path program 1 times [2020-10-23 20:02:31,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:02:31,777 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [713510191] [2020-10-23 20:02:31,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:02:31,942 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-10-23 20:02:32,227 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2020-10-23 20:02:32,463 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2020-10-23 20:02:32,689 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-10-23 20:02:32,904 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2020-10-23 20:02:33,128 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-10-23 20:02:33,368 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2020-10-23 20:02:33,592 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-10-23 20:02:33,800 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-10-23 20:02:34,025 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2020-10-23 20:02:34,257 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-10-23 20:02:34,469 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2020-10-23 20:02:34,687 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2020-10-23 20:02:34,911 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2020-10-23 20:02:35,335 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:02:35,659 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:02:35,960 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:02:36,244 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:02:36,579 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:02:36,894 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:02:37,205 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:02:37,514 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:02:37,838 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:02:38,152 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:02:38,469 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:02:38,767 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:02:39,071 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:02:39,403 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:02:39,720 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:02:40,034 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:02:40,038 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:02:41,191 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:02:41,211 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:02:43,779 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 161 [2020-10-23 20:02:43,787 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:02:46,349 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 161 [2020-10-23 20:02:46,355 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:02:48,945 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:02:48,951 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:02:50,111 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:02:50,115 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:02:52,570 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 161 [2020-10-23 20:02:52,575 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:02:55,059 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:02:55,064 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:02:57,568 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:02:57,572 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:00,073 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 161 [2020-10-23 20:03:00,077 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:02,615 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:03:02,622 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:05,112 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 161 [2020-10-23 20:03:05,117 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:07,570 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 161 [2020-10-23 20:03:07,574 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:10,074 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:03:10,078 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:11,838 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:03:11,842 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:14,323 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 161 [2020-10-23 20:03:14,327 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:16,841 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 161 [2020-10-23 20:03:16,848 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:03:19,295 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:03:19,300 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:21,864 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 159 [2020-10-23 20:03:21,868 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:24,365 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:03:24,370 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:26,833 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:03:26,839 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:29,383 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 160 [2020-10-23 20:03:31,861 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:03:31,866 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:34,359 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 157 [2020-10-23 20:03:34,363 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:36,844 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 160 [2020-10-23 20:03:36,848 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:39,295 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 157 [2020-10-23 20:03:39,299 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:40,395 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 160 [2020-10-23 20:03:40,399 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:41,798 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 160 [2020-10-23 20:03:41,803 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:43,167 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 160 [2020-10-23 20:03:43,172 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:44,612 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 160 [2020-10-23 20:03:45,998 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 159 [2020-10-23 20:03:46,007 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:48,499 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:03:48,503 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:50,988 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:03:50,992 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:50,999 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:03:53,577 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:03:53,583 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:56,167 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:03:56,172 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:58,718 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2020-10-23 20:03:58,723 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:01,280 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2020-10-23 20:04:01,283 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:03,864 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:04:03,869 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:06,421 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2020-10-23 20:04:06,428 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:09,061 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:04:09,064 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:11,595 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2020-10-23 20:04:11,599 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:14,152 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2020-10-23 20:04:16,719 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:04:16,723 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:19,283 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2020-10-23 20:04:19,286 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:21,877 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:04:21,881 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:24,443 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2020-10-23 20:04:24,447 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:27,064 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:04:27,069 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:29,638 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2020-10-23 20:04:29,642 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:31,644 WARN L193 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:04:31,648 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:31,652 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:04:34,210 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 155 [2020-10-23 20:04:34,213 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:36,825 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:04:36,829 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:39,369 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 156 [2020-10-23 20:04:39,373 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:41,929 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 156 [2020-10-23 20:04:44,559 WARN L193 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:04:44,563 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:47,107 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 156 [2020-10-23 20:04:47,110 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:49,718 WARN L193 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 157 [2020-10-23 20:04:52,274 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 156 [2020-10-23 20:04:52,278 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:54,925 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:04:54,931 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:57,557 WARN L193 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 157 [2020-10-23 20:04:57,560 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:00,253 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 156 [2020-10-23 20:05:00,258 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:02,550 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:05:02,554 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:05,135 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 155 [2020-10-23 20:05:05,146 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:07,722 WARN L193 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:05:07,726 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:10,348 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:05:10,351 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:12,873 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 156 [2020-10-23 20:05:12,876 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:12,881 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:05:13,261 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:05:13,655 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:05:14,034 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:05:14,424 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:05:14,807 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:05:15,157 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:05:15,514 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:05:15,907 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:05:16,290 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:05:16,672 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:05:17,049 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:05:17,436 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:05:17,795 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:05:18,161 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:05:18,550 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:05:18,940 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:05:18,943 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:05:21,679 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:05:24,341 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:05:24,347 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:27,086 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:05:27,089 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:29,780 WARN L193 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:05:29,784 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:32,365 WARN L193 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:05:32,369 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:35,206 WARN L193 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:05:35,209 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:37,960 WARN L193 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:05:37,963 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:40,622 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:05:40,625 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:43,320 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:05:43,324 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:46,039 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:05:46,043 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:48,741 WARN L193 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:05:48,748 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:51,427 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:05:51,431 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:54,112 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:05:54,116 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:56,830 WARN L193 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:05:56,833 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:59,591 WARN L193 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:05:59,594 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:02,271 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:06:02,274 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:02,279 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:06:02,691 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:06:03,076 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:06:03,434 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:06:03,823 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:06:04,223 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:06:04,621 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:06:05,016 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:06:05,420 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:06:05,787 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:06:06,133 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:06:06,546 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:06:06,951 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:06:07,359 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:06:07,765 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:06:08,182 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:06:08,555 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:06:08,559 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:06:11,186 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:06:11,190 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:13,885 WARN L193 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 166 [2020-10-23 20:06:13,889 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:16,589 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 166 [2020-10-23 20:06:16,592 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:19,209 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:06:19,211 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:21,858 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:06:21,861 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:24,497 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:06:27,151 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:06:27,154 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:29,348 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 166 [2020-10-23 20:06:29,351 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:31,937 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 166 [2020-10-23 20:06:31,940 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:34,539 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 166 [2020-10-23 20:06:34,542 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:37,068 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:06:37,070 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:39,600 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:06:39,603 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:41,832 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 166 [2020-10-23 20:06:41,834 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:44,364 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:06:44,366 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:46,754 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 166 [2020-10-23 20:06:46,757 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:49,373 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 166 [2020-10-23 20:06:49,377 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:06:51,995 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2020-10-23 20:06:51,998 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:54,598 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:06:54,602 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:57,275 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2020-10-23 20:06:57,278 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:59,884 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:06:59,886 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:02,492 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:07:02,496 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:05,195 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2020-10-23 20:07:05,198 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:07,807 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:07:07,810 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:10,422 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:07:10,424 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:13,066 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2020-10-23 20:07:13,068 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:15,587 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:07:15,590 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:18,204 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2020-10-23 20:07:18,207 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:20,800 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2020-10-23 20:07:20,804 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:23,334 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:07:23,337 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:25,937 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2020-10-23 20:07:25,941 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:28,493 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:07:28,497 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:31,105 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2020-10-23 20:07:31,108 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:31,110 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:07:33,664 WARN L193 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:07:33,667 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:36,224 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:07:36,227 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:38,741 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:07:38,744 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:41,317 WARN L193 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 166 [2020-10-23 20:07:41,323 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:43,897 WARN L193 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 166 [2020-10-23 20:07:43,900 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:46,437 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:07:46,439 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:49,000 WARN L193 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 166 [2020-10-23 20:07:49,003 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:51,521 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:07:51,523 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:54,082 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 166 [2020-10-23 20:07:54,084 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:56,654 WARN L193 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 166 [2020-10-23 20:07:59,218 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 166 [2020-10-23 20:07:59,221 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:01,775 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:08:01,777 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:04,344 WARN L193 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:08:04,346 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:06,920 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:08:06,923 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:09,550 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 166 [2020-10-23 20:08:09,554 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:12,159 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 166 [2020-10-23 20:08:12,163 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:12,167 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:08:12,528 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:08:12,890 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:08:13,250 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:08:13,602 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:08:13,951 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:08:14,301 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:08:14,652 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:08:15,008 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:08:15,342 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:08:15,693 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:08:16,046 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:08:16,399 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:08:16,755 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:08:17,109 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:08:17,467 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:08:17,801 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:08:17,805 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:08:18,160 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:08:18,521 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:08:18,869 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:08:19,212 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:08:19,565 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:08:19,916 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:08:20,277 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:08:20,641 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:08:21,015 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:08:21,387 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:08:21,746 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:08:22,109 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:08:22,461 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:08:22,797 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:08:23,166 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:08:23,518 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:08:23,520 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:08:23,878 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:08:24,232 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:08:24,586 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:08:24,939 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:08:25,276 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:08:25,639 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:08:25,998 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:08:26,352 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:08:26,708 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:08:27,069 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:08:27,424 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:08:27,766 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:08:28,132 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:08:28,495 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:08:28,856 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:08:29,223 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:08:29,226 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:08:30,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 20:08:30,599 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 20:08:31,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 20:08:31,136 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 20:08:31,402 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-23 20:08:31,402 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-23 20:08:31,403 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-23 20:08:31,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 08:08:31 BoogieIcfgContainer [2020-10-23 20:08:31,431 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 20:08:31,432 INFO L168 Benchmark]: Toolchain (without parser) took 389159.37 ms. Allocated memory was 151.0 MB in the beginning and 377.5 MB in the end (delta: 226.5 MB). Free memory was 126.5 MB in the beginning and 244.6 MB in the end (delta: -118.1 MB). Peak memory consumption was 242.0 MB. Max. memory is 8.0 GB. [2020-10-23 20:08:31,433 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory is still 125.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 20:08:31,433 INFO L168 Benchmark]: CACSL2BoogieTranslator took 688.44 ms. Allocated memory is still 151.0 MB. Free memory was 125.9 MB in the beginning and 105.7 MB in the end (delta: 20.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-10-23 20:08:31,434 INFO L168 Benchmark]: Boogie Preprocessor took 165.29 ms. Allocated memory is still 151.0 MB. Free memory was 105.7 MB in the beginning and 102.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-10-23 20:08:31,434 INFO L168 Benchmark]: RCFGBuilder took 1735.87 ms. Allocated memory is still 151.0 MB. Free memory was 101.8 MB in the beginning and 101.7 MB in the end (delta: 79.3 kB). Peak memory consumption was 43.6 MB. Max. memory is 8.0 GB. [2020-10-23 20:08:31,434 INFO L168 Benchmark]: TraceAbstraction took 386547.53 ms. Allocated memory was 151.0 MB in the beginning and 377.5 MB in the end (delta: 226.5 MB). Free memory was 101.2 MB in the beginning and 244.6 MB in the end (delta: -143.4 MB). Peak memory consumption was 216.3 MB. Max. memory is 8.0 GB. [2020-10-23 20:08:31,436 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory is still 125.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 688.44 ms. Allocated memory is still 151.0 MB. Free memory was 125.9 MB in the beginning and 105.7 MB in the end (delta: 20.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 165.29 ms. Allocated memory is still 151.0 MB. Free memory was 105.7 MB in the beginning and 102.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1735.87 ms. Allocated memory is still 151.0 MB. Free memory was 101.8 MB in the beginning and 101.7 MB in the end (delta: 79.3 kB). Peak memory consumption was 43.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 386547.53 ms. Allocated memory was 151.0 MB in the beginning and 377.5 MB in the end (delta: 226.5 MB). Free memory was 101.2 MB in the beginning and 244.6 MB in the end (delta: -143.4 MB). Peak memory consumption was 216.3 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: [L48] int waterLevel = 1; [L49] int methaneLevelCritical = 0; [L297] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L530] int cleanupTimeShifts = 4; [L634] int pumpRunning = 0; [L635] int systemActive = 1; [L609] int retValue_acc ; [L610] int tmp ; [L614] FCALL select_helpers() [L615] FCALL select_features() [L616] CALL, EXPR valid_product() [L875] int retValue_acc ; [L878] retValue_acc = 1 [L879] return (retValue_acc); [L616] RET, EXPR valid_product() [L616] tmp = valid_product() [L618] COND TRUE \read(tmp) [L620] FCALL setup() [L621] CALL runTest() [L600] CALL test() [L785] int splverifierCounter ; [L786] int tmp ; [L787] int tmp___0 ; [L788] int tmp___1 ; [L789] int tmp___2 ; [L792] splverifierCounter = 0 [L794] COND TRUE 1 [L796] COND TRUE splverifierCounter < 4 [L802] tmp = __VERIFIER_nondet_int() [L804] COND TRUE \read(tmp) [L806] CALL waterRise() [L66] COND TRUE waterLevel < 2 [L67] waterLevel = waterLevel + 1 [L806] RET waterRise() [L812] tmp___0 = __VERIFIER_nondet_int() [L814] COND FALSE !(\read(tmp___0)) [L822] tmp___2 = __VERIFIER_nondet_int() [L824] COND TRUE \read(tmp___2) [L837] CALL timeShift() [L641] COND FALSE !(\read(pumpRunning)) [L648] COND TRUE \read(systemActive) [L650] CALL processEnvironment() [L670] int tmp ; [L673] COND FALSE !(\read(pumpRunning)) [L688] FCALL processEnvironment__wrappee__methaneQuery() [L650] RET processEnvironment() [L656] CALL __utac_acc__Specification4_spec__1() [L505] int tmp ; [L506] int tmp___0 ; [L510] CALL, EXPR getWaterLevel() [L119] int retValue_acc ; [L122] retValue_acc = waterLevel [L123] return (retValue_acc); [L510] RET, EXPR getWaterLevel() [L510] tmp = getWaterLevel() [L512] COND FALSE !(tmp == 0) [L656] RET __utac_acc__Specification4_spec__1() [L837] RET timeShift() [L794] COND TRUE 1 [L796] COND TRUE splverifierCounter < 4 [L802] tmp = __VERIFIER_nondet_int() [L804] COND TRUE \read(tmp) [L806] CALL waterRise() [L66] COND TRUE waterLevel < 2 [L67] waterLevel = waterLevel + 1 [L806] RET waterRise() [L812] tmp___0 = __VERIFIER_nondet_int() [L814] COND FALSE !(\read(tmp___0)) [L822] tmp___2 = __VERIFIER_nondet_int() [L824] COND TRUE \read(tmp___2) [L837] CALL timeShift() [L641] COND FALSE !(\read(pumpRunning)) [L648] COND TRUE \read(systemActive) [L650] CALL processEnvironment() [L670] int tmp ; [L673] COND FALSE !(\read(pumpRunning)) [L688] FCALL processEnvironment__wrappee__methaneQuery() [L650] RET processEnvironment() [L656] CALL __utac_acc__Specification4_spec__1() [L505] int tmp ; [L506] int tmp___0 ; [L510] CALL, EXPR getWaterLevel() [L119] int retValue_acc ; [L122] retValue_acc = waterLevel [L123] return (retValue_acc); [L510] RET, EXPR getWaterLevel() [L510] tmp = getWaterLevel() [L512] COND TRUE tmp == 0 [L514] CALL, EXPR isPumpRunning() [L739] int retValue_acc ; [L742] retValue_acc = pumpRunning [L743] return (retValue_acc); [L514] RET, EXPR isPumpRunning() [L514] tmp___0 = isPumpRunning() [L516] COND TRUE \read(tmp___0) [L518] CALL __automaton_fail() [L498] CALL reach_error() [L3] __assert_fail("0", "minepump_spec4_product13.cil.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 606 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 386.4s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 21.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 979 SDtfs, 1619 SDslu, 1762 SDs, 0 SdLazy, 3065 SolverSat, 531 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 156 GetRequests, 96 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 13.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=386occurred 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: 0.6s AutomataMinimizationTime, 5 MinimizatonAttempts, 227 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! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...