/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_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 20:11:25,342 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 20:11:25,346 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 20:11:25,397 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 20:11:25,398 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 20:11:25,404 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 20:11:25,409 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 20:11:25,421 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 20:11:25,425 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 20:11:25,432 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 20:11:25,434 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 20:11:25,436 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-23 20:11:25,436 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-23 20:11:25,440 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-23 20:11:25,442 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-23 20:11:25,444 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-23 20:11:25,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-23 20:11:25,449 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-23 20:11:25,456 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-23 20:11:25,465 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-23 20:11:25,467 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-23 20:11:25,469 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-23 20:11:25,470 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-23 20:11:25,473 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-23 20:11:25,493 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-23 20:11:25,493 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-23 20:11:25,494 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-23 20:11:25,495 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-23 20:11:25,496 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-23 20:11:25,497 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-23 20:11:25,497 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-23 20:11:25,498 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-23 20:11:25,500 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-23 20:11:25,501 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-23 20:11:25,502 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-23 20:11:25,503 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-23 20:11:25,504 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-23 20:11:25,504 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-23 20:11:25,504 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 20:11:25,505 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 20:11:25,506 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 20:11:25,507 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 20:11:25,534 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 20:11:25,534 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 20:11:25,540 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 20:11:25,540 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 20:11:25,540 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 20:11:25,541 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 20:11:25,541 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 20:11:25,541 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 20:11:25,541 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 20:11:25,542 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 20:11:25,543 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 20:11:25,543 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 20:11:25,543 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 20:11:25,544 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 20:11:25,544 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 20:11:25,544 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-23 20:11:25,545 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 20:11:25,545 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 20:11:25,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 20:11:25,545 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 20:11:25,546 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-23 20:11:25,546 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 20:11:25,546 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 20:11:26,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 20:11:26,102 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 20:11:26,105 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 20:11:26,107 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 20:11:26,108 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 20:11:26,109 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product45.cil.c [2020-10-23 20:11:26,201 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9a667a30/a24bbfa653194d7f86d927cd9a8761f9/FLAG9a26f1c00 [2020-10-23 20:11:27,129 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 20:11:27,129 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product45.cil.c [2020-10-23 20:11:27,148 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9a667a30/a24bbfa653194d7f86d927cd9a8761f9/FLAG9a26f1c00 [2020-10-23 20:11:27,403 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9a667a30/a24bbfa653194d7f86d927cd9a8761f9 [2020-10-23 20:11:27,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 20:11:27,419 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 20:11:27,426 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 20:11:27,426 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 20:11:27,431 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 20:11:27,432 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 08:11:27" (1/1) ... [2020-10-23 20:11:27,437 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13cf072b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:11:27, skipping insertion in model container [2020-10-23 20:11:27,437 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 08:11:27" (1/1) ... [2020-10-23 20:11:27,447 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 20:11:27,531 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 20:11:27,983 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 20:11:28,004 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 20:11:28,161 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 20:11:28,206 INFO L208 MainTranslator]: Completed translation [2020-10-23 20:11:28,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:11:28 WrapperNode [2020-10-23 20:11:28,208 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 20:11:28,209 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 20:11:28,210 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 20:11:28,210 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 20:11:28,231 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:11:28" (1/1) ... [2020-10-23 20:11:28,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:11:28" (1/1) ... [2020-10-23 20:11:28,252 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:11:28" (1/1) ... [2020-10-23 20:11:28,253 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:11:28" (1/1) ... [2020-10-23 20:11:28,312 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:11:28" (1/1) ... [2020-10-23 20:11:28,336 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:11:28" (1/1) ... [2020-10-23 20:11:28,350 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:11:28" (1/1) ... [2020-10-23 20:11:28,359 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 20:11:28,361 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 20:11:28,361 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 20:11:28,361 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 20:11:28,362 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:11:28" (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 20:11:28,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 20:11:28,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 20:11:28,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-23 20:11:28,453 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 20:11:28,453 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-23 20:11:28,454 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-23 20:11:28,454 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-23 20:11:28,454 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-10-23 20:11:28,454 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-23 20:11:28,454 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-10-23 20:11:28,454 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-23 20:11:28,455 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-23 20:11:28,455 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-23 20:11:28,455 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-23 20:11:28,455 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-23 20:11:28,455 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-23 20:11:28,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-23 20:11:28,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-23 20:11:28,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-23 20:11:28,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-23 20:11:28,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-23 20:11:28,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-23 20:11:28,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-23 20:11:28,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-10-23 20:11:28,457 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-23 20:11:28,457 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-23 20:11:28,457 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-23 20:11:28,458 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-23 20:11:28,458 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 20:11:28,458 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-23 20:11:28,458 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-23 20:11:28,458 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-23 20:11:28,458 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-23 20:11:28,458 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-23 20:11:28,459 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-23 20:11:28,459 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-23 20:11:28,459 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-23 20:11:28,460 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-23 20:11:28,460 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-23 20:11:28,460 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-23 20:11:28,461 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 20:11:28,461 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 20:11:28,461 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 20:11:28,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 20:11:28,461 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 20:11:28,461 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-23 20:11:28,462 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-23 20:11:28,462 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-23 20:11:28,462 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-23 20:11:28,462 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-23 20:11:28,462 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-23 20:11:28,462 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-23 20:11:28,462 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-23 20:11:28,463 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-23 20:11:28,463 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-23 20:11:28,463 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-23 20:11:28,463 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-23 20:11:28,463 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-23 20:11:28,463 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-23 20:11:28,464 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-10-23 20:11:28,464 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-23 20:11:28,464 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-23 20:11:28,464 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-23 20:11:28,464 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-10-23 20:11:28,464 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-23 20:11:28,464 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-10-23 20:11:28,465 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-23 20:11:28,465 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-23 20:11:28,465 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-23 20:11:28,465 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-23 20:11:28,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-23 20:11:28,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-23 20:11:28,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 20:11:28,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-23 20:11:28,466 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-23 20:11:28,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 20:11:28,466 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-23 20:11:28,466 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-23 20:11:28,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 20:11:28,466 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-23 20:11:28,467 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-23 20:11:28,467 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-23 20:11:28,467 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-23 20:11:28,467 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-23 20:11:28,467 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-23 20:11:28,467 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-23 20:11:28,467 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-23 20:11:28,468 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-23 20:11:28,468 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-23 20:11:28,468 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 20:11:28,468 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-23 20:11:28,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 20:11:28,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 20:11:28,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 20:11:30,257 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 20:11:30,257 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-23 20:11:30,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:11:30 BoogieIcfgContainer [2020-10-23 20:11:30,261 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 20:11:30,263 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 20:11:30,263 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 20:11:30,268 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 20:11:30,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 08:11:27" (1/3) ... [2020-10-23 20:11:30,269 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b836123 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 08:11:30, skipping insertion in model container [2020-10-23 20:11:30,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:11:28" (2/3) ... [2020-10-23 20:11:30,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b836123 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 08:11:30, skipping insertion in model container [2020-10-23 20:11:30,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:11:30" (3/3) ... [2020-10-23 20:11:30,273 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product45.cil.c [2020-10-23 20:11:30,288 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-23 20:11:30,296 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-23 20:11:30,311 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-23 20:11:30,337 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 20:11:30,338 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 20:11:30,338 INFO L379 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-10-23 20:11:30,338 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 20:11:30,338 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 20:11:30,338 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 20:11:30,338 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 20:11:30,339 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 20:11:30,373 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states. [2020-10-23 20:11:30,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-23 20:11:30,402 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:11:30,404 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] [2020-10-23 20:11:30,405 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 20:11:30,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:11:30,413 INFO L82 PathProgramCache]: Analyzing trace with hash 455361802, now seen corresponding path program 1 times [2020-10-23 20:11:30,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:11:30,426 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1413000534] [2020-10-23 20:11:30,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:11:30,527 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:11:30,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:11:31,448 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 20:11:31,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:11:31,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:11:31,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 20:11:31,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:11:31,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 20:11:31,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:11:31,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 20:11:31,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:11:31,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 20:11:31,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:11:31,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-23 20:11:31,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:11:31,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-23 20:11:31,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:11:31,729 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 20:11:31,731 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1413000534] [2020-10-23 20:11:31,734 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:11:31,735 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-23 20:11:31,735 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166332358] [2020-10-23 20:11:31,742 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 20:11:31,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:11:31,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 20:11:31,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-23 20:11:31,767 INFO L87 Difference]: Start difference. First operand 324 states. Second operand 3 states. [2020-10-23 20:11:33,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:11:33,863 INFO L93 Difference]: Finished difference Result 507 states and 601 transitions. [2020-10-23 20:11:33,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 20:11:33,866 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2020-10-23 20:11:33,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:11:33,885 INFO L225 Difference]: With dead ends: 507 [2020-10-23 20:11:33,886 INFO L226 Difference]: Without dead ends: 313 [2020-10-23 20:11:33,892 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 20:11:33,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2020-10-23 20:11:34,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 270. [2020-10-23 20:11:34,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2020-10-23 20:11:34,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 293 transitions. [2020-10-23 20:11:34,107 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 293 transitions. Word has length 148 [2020-10-23 20:11:34,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:11:34,108 INFO L481 AbstractCegarLoop]: Abstraction has 270 states and 293 transitions. [2020-10-23 20:11:34,109 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 20:11:34,109 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 293 transitions. [2020-10-23 20:11:34,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-23 20:11:34,114 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:11:34,114 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 20:11:34,114 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 20:11:34,115 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 20:11:34,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:11:34,116 INFO L82 PathProgramCache]: Analyzing trace with hash -1742737436, now seen corresponding path program 1 times [2020-10-23 20:11:34,116 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:11:34,116 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2023459893] [2020-10-23 20:11:34,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:11:34,122 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:11:34,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:11:34,631 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 20:11:34,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:11:34,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:11:34,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 20:11:34,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:11:34,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 20:11:34,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:11:34,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 20:11:34,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:11:34,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 20:11:34,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:11:34,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-23 20:11:34,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:11:34,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-23 20:11:34,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:11:34,749 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 20:11:34,750 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2023459893] [2020-10-23 20:11:34,750 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:11:34,751 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-23 20:11:34,751 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392631704] [2020-10-23 20:11:34,754 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-23 20:11:34,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:11:34,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-23 20:11:34,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-23 20:11:34,758 INFO L87 Difference]: Start difference. First operand 270 states and 293 transitions. Second operand 4 states. [2020-10-23 20:11:35,905 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 20:11:37,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:11:37,439 INFO L93 Difference]: Finished difference Result 421 states and 472 transitions. [2020-10-23 20:11:37,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-23 20:11:37,440 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 149 [2020-10-23 20:11:37,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:11:37,453 INFO L225 Difference]: With dead ends: 421 [2020-10-23 20:11:37,454 INFO L226 Difference]: Without dead ends: 296 [2020-10-23 20:11:37,460 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-23 20:11:37,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2020-10-23 20:11:37,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 260. [2020-10-23 20:11:37,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2020-10-23 20:11:37,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 280 transitions. [2020-10-23 20:11:37,637 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 280 transitions. Word has length 149 [2020-10-23 20:11:37,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:11:37,640 INFO L481 AbstractCegarLoop]: Abstraction has 260 states and 280 transitions. [2020-10-23 20:11:37,640 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-23 20:11:37,641 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 280 transitions. [2020-10-23 20:11:37,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-23 20:11:37,646 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:11:37,647 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 20:11:37,647 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 20:11:37,648 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 20:11:37,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:11:37,648 INFO L82 PathProgramCache]: Analyzing trace with hash 92791184, now seen corresponding path program 1 times [2020-10-23 20:11:37,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:11:37,649 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [313933750] [2020-10-23 20:11:37,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:11:37,654 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:11:37,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:11:38,368 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 20:11:38,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:11:38,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:11:38,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 20:11:38,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:11:38,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 20:11:38,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:11:38,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 20:11:38,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:11:38,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 20:11:38,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:11:38,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-23 20:11:38,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:11:38,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-23 20:11:38,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:11:38,684 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 20:11:38,686 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [313933750] [2020-10-23 20:11:38,688 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:11:38,688 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-23 20:11:38,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232248577] [2020-10-23 20:11:38,690 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-23 20:11:38,690 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:11:38,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-23 20:11:38,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-23 20:11:38,691 INFO L87 Difference]: Start difference. First operand 260 states and 280 transitions. Second operand 9 states. [2020-10-23 20:11:39,419 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 20:11:39,944 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 20:11:40,377 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 20:11:40,777 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 20:11:41,216 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:11:41,588 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 20:11:43,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:11:43,514 INFO L93 Difference]: Finished difference Result 441 states and 497 transitions. [2020-10-23 20:11:43,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-23 20:11:43,518 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 158 [2020-10-23 20:11:43,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:11:43,524 INFO L225 Difference]: With dead ends: 441 [2020-10-23 20:11:43,524 INFO L226 Difference]: Without dead ends: 296 [2020-10-23 20:11:43,526 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2020-10-23 20:11:43,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2020-10-23 20:11:43,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 260. [2020-10-23 20:11:43,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2020-10-23 20:11:43,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 279 transitions. [2020-10-23 20:11:43,641 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 279 transitions. Word has length 158 [2020-10-23 20:11:43,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:11:43,642 INFO L481 AbstractCegarLoop]: Abstraction has 260 states and 279 transitions. [2020-10-23 20:11:43,642 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-23 20:11:43,642 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 279 transitions. [2020-10-23 20:11:43,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-10-23 20:11:43,645 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:11:43,645 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 20:11:43,646 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-23 20:11:43,646 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 20:11:43,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:11:43,647 INFO L82 PathProgramCache]: Analyzing trace with hash -1991263587, now seen corresponding path program 1 times [2020-10-23 20:11:43,647 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:11:43,647 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1579659707] [2020-10-23 20:11:43,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:11:43,651 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:11:43,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:11:44,178 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 20:11:44,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:11:44,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:11:44,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 20:11:44,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:11:44,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 20:11:44,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:11:44,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 20:11:44,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:11:44,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 20:11:44,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:11:44,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-23 20:11:44,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:11:44,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 20:11:44,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:11:44,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 20:11:44,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:11:44,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-23 20:11:44,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:11:44,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-23 20:11:44,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:11:44,371 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 20:11:44,371 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1579659707] [2020-10-23 20:11:44,372 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:11:44,372 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-23 20:11:44,372 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035635670] [2020-10-23 20:11:44,372 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-23 20:11:44,373 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:11:44,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-23 20:11:44,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-23 20:11:44,374 INFO L87 Difference]: Start difference. First operand 260 states and 279 transitions. Second operand 6 states. [2020-10-23 20:11:45,045 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 20:11:47,039 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 20:11:47,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:11:47,919 INFO L93 Difference]: Finished difference Result 587 states and 666 transitions. [2020-10-23 20:11:47,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-23 20:11:47,920 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 171 [2020-10-23 20:11:47,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:11:47,925 INFO L225 Difference]: With dead ends: 587 [2020-10-23 20:11:47,925 INFO L226 Difference]: Without dead ends: 442 [2020-10-23 20:11:47,926 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-10-23 20:11:47,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2020-10-23 20:11:48,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 381. [2020-10-23 20:11:48,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2020-10-23 20:11:48,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 408 transitions. [2020-10-23 20:11:48,098 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 408 transitions. Word has length 171 [2020-10-23 20:11:48,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:11:48,099 INFO L481 AbstractCegarLoop]: Abstraction has 381 states and 408 transitions. [2020-10-23 20:11:48,099 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-23 20:11:48,099 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 408 transitions. [2020-10-23 20:11:48,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-10-23 20:11:48,102 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:11:48,102 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 20:11:48,102 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-23 20:11:48,103 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 20:11:48,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:11:48,103 INFO L82 PathProgramCache]: Analyzing trace with hash 370723942, now seen corresponding path program 1 times [2020-10-23 20:11:48,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:11:48,104 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1955573848] [2020-10-23 20:11:48,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:11:48,107 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:11:48,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:11:48,553 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 20:11:48,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:11:48,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:11:48,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 20:11:48,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:11:48,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 20:11:48,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:11:48,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 20:11:48,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:11:48,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 20:11:48,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:11:48,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-23 20:11:48,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:11:48,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 20:11:48,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:11:48,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 20:11:48,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:11:48,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-23 20:11:48,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:11:48,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-23 20:11:48,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:11:48,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-10-23 20:11:48,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:11:48,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-10-23 20:11:48,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:11:48,786 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 20:11:48,787 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1955573848] [2020-10-23 20:11:48,787 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:11:48,787 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-23 20:11:48,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025773206] [2020-10-23 20:11:48,788 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-23 20:11:48,788 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:11:48,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-23 20:11:48,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2020-10-23 20:11:48,789 INFO L87 Difference]: Start difference. First operand 381 states and 408 transitions. Second operand 14 states. [2020-10-23 20:11:49,446 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 20:11:49,958 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 20:11:50,347 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 20:11:50,753 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 20:11:51,154 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:11:51,544 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 20:11:52,443 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 20:11:53,982 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 20:11:54,427 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:11:54,923 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:11:55,351 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-23 20:11:55,759 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 20:11:56,162 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:11:56,583 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 20:11:57,119 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:11:57,618 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-23 20:11:58,083 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:12:00,120 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 20:12:00,509 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 20:12:01,147 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 20:12:02,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:12:02,137 INFO L93 Difference]: Finished difference Result 1143 states and 1346 transitions. [2020-10-23 20:12:02,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-23 20:12:02,138 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 195 [2020-10-23 20:12:02,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:12:02,146 INFO L225 Difference]: With dead ends: 1143 [2020-10-23 20:12:02,146 INFO L226 Difference]: Without dead ends: 877 [2020-10-23 20:12:02,149 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=252, Invalid=1008, Unknown=0, NotChecked=0, Total=1260 [2020-10-23 20:12:02,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 877 states. [2020-10-23 20:12:02,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 877 to 780. [2020-10-23 20:12:02,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 780 states. [2020-10-23 20:12:02,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 780 states and 862 transitions. [2020-10-23 20:12:02,498 INFO L78 Accepts]: Start accepts. Automaton has 780 states and 862 transitions. Word has length 195 [2020-10-23 20:12:02,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:12:02,499 INFO L481 AbstractCegarLoop]: Abstraction has 780 states and 862 transitions. [2020-10-23 20:12:02,499 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-23 20:12:02,499 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 862 transitions. [2020-10-23 20:12:02,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2020-10-23 20:12:02,505 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:12:02,506 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 20:12:02,506 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-23 20:12:02,507 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 20:12:02,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:12:02,507 INFO L82 PathProgramCache]: Analyzing trace with hash -31308412, now seen corresponding path program 1 times [2020-10-23 20:12:02,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:12:02,508 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [403418562] [2020-10-23 20:12:02,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:12:02,809 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 69 [2020-10-23 20:12:03,194 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2020-10-23 20:12:03,587 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2020-10-23 20:12:03,701 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-23 20:12:03,977 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2020-10-23 20:12:04,349 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 70 [2020-10-23 20:12:04,737 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2020-10-23 20:12:04,857 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-23 20:12:05,133 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 70 [2020-10-23 20:12:05,482 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 69 [2020-10-23 20:12:05,592 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-10-23 20:12:05,866 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2020-10-23 20:12:06,239 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 69 [2020-10-23 20:12:06,354 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-10-23 20:12:06,635 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2020-10-23 20:12:06,746 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-23 20:12:07,019 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 70 [2020-10-23 20:12:07,398 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 69 [2020-10-23 20:12:07,776 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 69 [2020-10-23 20:12:07,885 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-10-23 20:12:08,426 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 149 [2020-10-23 20:12:08,940 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 149 [2020-10-23 20:12:09,436 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 142 [2020-10-23 20:12:09,904 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 141 [2020-10-23 20:12:10,419 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 141 [2020-10-23 20:12:10,916 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 141 [2020-10-23 20:12:11,401 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 142 [2020-10-23 20:12:11,923 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 148 [2020-10-23 20:12:12,439 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 149 [2020-10-23 20:12:12,923 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 141 [2020-10-23 20:12:13,409 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 142 [2020-10-23 20:12:13,956 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 149 [2020-10-23 20:12:14,443 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 142 [2020-10-23 20:12:14,956 WARN L193 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 148 [2020-10-23 20:12:15,468 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 149 [2020-10-23 20:12:15,985 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 149 [2020-10-23 20:12:15,989 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:12:18,924 WARN L193 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 213 [2020-10-23 20:12:18,954 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:12:20,620 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 213 [2020-10-23 20:12:20,626 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:12:23,689 WARN L193 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 213 [2020-10-23 20:12:23,698 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:12:26,444 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 211 [2020-10-23 20:12:26,452 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:12:29,219 WARN L193 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 213 [2020-10-23 20:12:29,225 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:12:32,099 WARN L193 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 211 [2020-10-23 20:12:32,105 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:12:34,863 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 211 [2020-10-23 20:12:34,870 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:12:37,685 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 213 [2020-10-23 20:12:37,691 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:12:40,623 WARN L193 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 211 [2020-10-23 20:12:40,628 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:12:43,401 WARN L193 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 211 [2020-10-23 20:12:43,407 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:12:46,133 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 211 [2020-10-23 20:12:46,138 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:12:49,008 WARN L193 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 213 [2020-10-23 20:12:49,013 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:12:50,517 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 213 [2020-10-23 20:12:53,269 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 211 [2020-10-23 20:12:53,275 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:12:55,988 WARN L193 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 211 [2020-10-23 20:12:55,992 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:12:57,641 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 213 [2020-10-23 20:12:57,649 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:12:57,654 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:13:00,402 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 215 [2020-10-23 20:13:00,408 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:13:03,153 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 215 [2020-10-23 20:13:03,158 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:13:05,975 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 217 [2020-10-23 20:13:05,980 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:13:07,707 WARN L193 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 217 [2020-10-23 20:13:07,713 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:13:09,368 WARN L193 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 217 [2020-10-23 20:13:09,373 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:13:12,223 WARN L193 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 215 [2020-10-23 20:13:12,228 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:13:14,203 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 217 [2020-10-23 20:13:14,209 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:13:17,068 WARN L193 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 215 [2020-10-23 20:13:17,074 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:13:18,820 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 217 [2020-10-23 20:13:18,824 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:13:21,668 WARN L193 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 215 [2020-10-23 20:13:21,673 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:13:23,735 WARN L193 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 217 [2020-10-23 20:13:23,746 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:13:26,590 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 215 [2020-10-23 20:13:26,596 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:13:29,478 WARN L193 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 215 [2020-10-23 20:13:29,484 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:13:31,396 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 217 [2020-10-23 20:13:31,401 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:13:34,257 WARN L193 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 215 [2020-10-23 20:13:34,261 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:13:36,288 WARN L193 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 217 [2020-10-23 20:13:36,292 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:13:36,297 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:13:39,190 WARN L193 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 218 [2020-10-23 20:13:39,195 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:13:41,357 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 218 [2020-10-23 20:13:41,364 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:13:44,273 WARN L193 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 218 [2020-10-23 20:13:47,131 WARN L193 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 216 [2020-10-23 20:13:47,136 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:13:50,038 WARN L193 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 216 [2020-10-23 20:13:50,042 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:13:52,961 WARN L193 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 218 [2020-10-23 20:13:52,965 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:13:55,883 WARN L193 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 216 [2020-10-23 20:13:55,887 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:13:58,752 WARN L193 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 216 [2020-10-23 20:13:58,756 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:14:01,275 WARN L193 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 218 [2020-10-23 20:14:01,279 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:14:04,175 WARN L193 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 218 [2020-10-23 20:14:04,178 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:14:07,041 WARN L193 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 216 [2020-10-23 20:14:07,046 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:14:09,358 WARN L193 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 218 [2020-10-23 20:14:09,362 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:14:12,315 WARN L193 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 216 [2020-10-23 20:14:12,318 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:14:15,329 WARN L193 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 218 [2020-10-23 20:14:15,332 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:14:18,225 WARN L193 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 216 [2020-10-23 20:14:18,228 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:14:21,087 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 216 [2020-10-23 20:14:21,092 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:14:21,095 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:14:21,723 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 151 [2020-10-23 20:14:22,359 WARN L193 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 151 [2020-10-23 20:14:22,952 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 144 [2020-10-23 20:14:23,547 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 151 [2020-10-23 20:14:24,141 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 144 [2020-10-23 20:14:24,730 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 144 [2020-10-23 20:14:25,345 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 151 [2020-10-23 20:14:25,909 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 144 [2020-10-23 20:14:26,519 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 151 [2020-10-23 20:14:27,103 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 144 [2020-10-23 20:14:27,683 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 144 [2020-10-23 20:14:28,300 WARN L193 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 151 [2020-10-23 20:14:28,879 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 151 [2020-10-23 20:14:29,401 WARN L193 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 144 [2020-10-23 20:14:29,917 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 144 [2020-10-23 20:14:30,469 WARN L193 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 151 [2020-10-23 20:14:30,472 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:14:33,422 WARN L193 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 215 [2020-10-23 20:14:33,426 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:14:36,460 WARN L193 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 217 [2020-10-23 20:14:36,463 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:14:39,378 WARN L193 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 215 [2020-10-23 20:14:39,381 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:14:42,280 WARN L193 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 215 [2020-10-23 20:14:42,285 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:14:45,205 WARN L193 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 215 [2020-10-23 20:14:45,210 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:14:48,208 WARN L193 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 217 [2020-10-23 20:14:48,212 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:14:51,222 WARN L193 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 217 [2020-10-23 20:14:51,227 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:14:54,135 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 215 [2020-10-23 20:14:54,144 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:14:57,106 WARN L193 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 217 [2020-10-23 20:14:57,111 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:15:00,138 WARN L193 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 215 [2020-10-23 20:15:00,142 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:15:03,223 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 221 DAG size of output: 217 [2020-10-23 20:15:03,227 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:15:06,232 WARN L193 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 215 [2020-10-23 20:15:09,268 WARN L193 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 217 [2020-10-23 20:15:09,273 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:15:12,207 WARN L193 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 217 [2020-10-23 20:15:12,212 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:15:15,232 WARN L193 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 217 [2020-10-23 20:15:15,236 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:15:18,246 WARN L193 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 215 [2020-10-23 20:15:18,250 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:15:18,253 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:15:18,866 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 145 [2020-10-23 20:15:19,509 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 152 [2020-10-23 20:15:20,078 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 145 [2020-10-23 20:15:20,728 WARN L193 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 152 [2020-10-23 20:15:21,348 WARN L193 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 145 [2020-10-23 20:15:21,997 WARN L193 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 152 [2020-10-23 20:15:22,610 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 152 [2020-10-23 20:15:23,235 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 145 [2020-10-23 20:15:23,860 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 145 [2020-10-23 20:15:24,477 WARN L193 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 152 [2020-10-23 20:15:25,139 WARN L193 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 152 [2020-10-23 20:15:25,768 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 145 [2020-10-23 20:15:26,394 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 145 [2020-10-23 20:15:27,029 WARN L193 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 152 [2020-10-23 20:15:27,675 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 152 [2020-10-23 20:15:28,304 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 145 [2020-10-23 20:15:28,306 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:15:31,329 WARN L193 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 212 [2020-10-23 20:15:31,334 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:15:34,344 WARN L193 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 210 [2020-10-23 20:15:34,347 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:15:37,520 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 216 DAG size of output: 212 [2020-10-23 20:15:40,481 WARN L193 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 210 [2020-10-23 20:15:40,490 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:15:43,532 WARN L193 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 211 [2020-10-23 20:15:46,588 WARN L193 SmtUtils]: Spent 975.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 212 [2020-10-23 20:15:46,592 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:15:49,582 WARN L193 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 210 [2020-10-23 20:15:49,586 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:15:52,701 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 216 DAG size of output: 211 [2020-10-23 20:15:52,706 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:15:55,792 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 214 DAG size of output: 209 [2020-10-23 20:15:55,798 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:15:58,844 WARN L193 SmtUtils]: Spent 965.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 210 [2020-10-23 20:15:58,848 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:16:01,875 WARN L193 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 210 [2020-10-23 20:16:04,915 WARN L193 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 209 [2020-10-23 20:16:07,963 WARN L193 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 212 [2020-10-23 20:16:07,967 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:16:11,022 WARN L193 SmtUtils]: Spent 944.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 210 [2020-10-23 20:16:11,028 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:16:14,168 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 216 DAG size of output: 212 [2020-10-23 20:16:14,173 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:16:17,307 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 216 DAG size of output: 212 [2020-10-23 20:16:17,312 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:16:17,315 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:16:20,395 WARN L193 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 207 [2020-10-23 20:16:20,399 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:16:23,295 WARN L193 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 207 [2020-10-23 20:16:23,298 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:16:26,271 WARN L193 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 207 [2020-10-23 20:16:26,274 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:16:29,293 WARN L193 SmtUtils]: Spent 944.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-10-23 20:16:29,296 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:16:32,285 WARN L193 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 207 [2020-10-23 20:16:32,287 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:16:35,295 WARN L193 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 207 [2020-10-23 20:16:35,299 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:16:38,349 WARN L193 SmtUtils]: Spent 965.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-10-23 20:16:41,323 WARN L193 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 207 [2020-10-23 20:16:41,326 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:16:44,269 WARN L193 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 207 [2020-10-23 20:16:44,274 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:16:47,351 WARN L193 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-10-23 20:16:47,355 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:16:50,336 WARN L193 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 207 [2020-10-23 20:16:50,339 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:16:53,417 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-10-23 20:16:53,420 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:16:56,520 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-10-23 20:16:59,616 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-10-23 20:16:59,620 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:17:02,697 WARN L193 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-10-23 20:17:02,702 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:17:05,724 WARN L193 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-10-23 20:17:05,728 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:17:05,730 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:17:08,654 WARN L193 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 204 [2020-10-23 20:17:08,658 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:17:11,653 WARN L193 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 206 [2020-10-23 20:17:11,656 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:17:14,725 WARN L193 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 206 [2020-10-23 20:17:14,728 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:17:17,821 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 209 DAG size of output: 204 [2020-10-23 20:17:17,824 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:17:21,017 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 211 DAG size of output: 207 [2020-10-23 20:17:21,021 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:17:24,164 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 211 DAG size of output: 207 [2020-10-23 20:17:24,170 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:17:27,381 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 211 DAG size of output: 207 [2020-10-23 20:17:27,385 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:17:30,431 WARN L193 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 205 [2020-10-23 20:17:33,381 WARN L193 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 205 [2020-10-23 20:17:33,384 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:17:36,427 WARN L193 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 205 [2020-10-23 20:17:36,431 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:17:39,484 WARN L193 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 205 [2020-10-23 20:17:42,646 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 211 DAG size of output: 207 [2020-10-23 20:17:42,649 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:17:45,842 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 211 DAG size of output: 207 [2020-10-23 20:17:45,846 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:17:48,784 WARN L193 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 205 [2020-10-23 20:17:48,788 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:17:51,739 WARN L193 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 205 [2020-10-23 20:17:51,742 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:17:54,750 WARN L193 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 207 [2020-10-23 20:17:54,755 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:17:54,758 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:17:57,772 WARN L193 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 210 [2020-10-23 20:17:57,775 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:18:00,771 WARN L193 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 208 [2020-10-23 20:18:00,774 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:18:03,929 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 214 DAG size of output: 210 [2020-10-23 20:18:03,933 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:18:07,078 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 214 DAG size of output: 210 [2020-10-23 20:18:07,082 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:18:10,155 WARN L193 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 208 [2020-10-23 20:18:10,158 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:18:13,237 WARN L193 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 208 [2020-10-23 20:18:13,240 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:18:16,293 WARN L193 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 208 [2020-10-23 20:18:16,297 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:18:19,342 WARN L193 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 208 [2020-10-23 20:18:19,345 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:18:22,411 WARN L193 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 208 [2020-10-23 20:18:22,415 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:18:25,543 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 214 DAG size of output: 210 [2020-10-23 20:18:25,546 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:18:28,702 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 214 DAG size of output: 210 [2020-10-23 20:18:28,705 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:18:31,835 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 214 DAG size of output: 210 [2020-10-23 20:18:31,845 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:18:34,916 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 214 DAG size of output: 210 [2020-10-23 20:18:34,919 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:18:37,899 WARN L193 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 208 [2020-10-23 20:18:37,902 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:18:40,992 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 214 DAG size of output: 210 [2020-10-23 20:18:40,997 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:18:44,058 WARN L193 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 208 [2020-10-23 20:18:44,062 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:18:44,066 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:18:44,691 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 144 [2020-10-23 20:18:45,286 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 144 [2020-10-23 20:18:45,904 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 144 [2020-10-23 20:18:46,577 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 151 [2020-10-23 20:18:47,235 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 151 [2020-10-23 20:18:47,896 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 151 [2020-10-23 20:18:48,514 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 144 [2020-10-23 20:18:49,129 WARN L193 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 144 [2020-10-23 20:18:49,788 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 151 [2020-10-23 20:18:50,448 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 151 [2020-10-23 20:18:51,110 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 151 [2020-10-23 20:18:51,731 WARN L193 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 144 [2020-10-23 20:18:52,388 WARN L193 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 151 [2020-10-23 20:18:53,004 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 144 [2020-10-23 20:18:53,656 WARN L193 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 151 [2020-10-23 20:18:54,251 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 144 [2020-10-23 20:18:54,254 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:18:54,821 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 141 [2020-10-23 20:18:55,394 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 142 [2020-10-23 20:18:56,020 WARN L193 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 149 [2020-10-23 20:18:56,643 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 142 [2020-10-23 20:18:57,305 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 149 [2020-10-23 20:18:57,906 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 142 [2020-10-23 20:18:58,550 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 148 [2020-10-23 20:18:59,181 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 141 [2020-10-23 20:18:59,834 WARN L193 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 149 [2020-10-23 20:19:00,465 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 148 [2020-10-23 20:19:01,061 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 141 [2020-10-23 20:19:01,719 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 149 [2020-10-23 20:19:02,377 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 149 [2020-10-23 20:19:03,036 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 149 [2020-10-23 20:19:03,660 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 142 [2020-10-23 20:19:04,269 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 141 [2020-10-23 20:19:04,272 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:19:04,896 WARN L193 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 148 [2020-10-23 20:19:05,525 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 141 [2020-10-23 20:19:06,107 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 142 [2020-10-23 20:19:06,725 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 149 [2020-10-23 20:19:07,318 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 142 [2020-10-23 20:19:07,893 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 141 [2020-10-23 20:19:08,472 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 141 [2020-10-23 20:19:09,087 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 149 [2020-10-23 20:19:09,687 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 141 [2020-10-23 20:19:10,293 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 149 [2020-10-23 20:19:10,858 WARN L193 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 142 [2020-10-23 20:19:11,436 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 142 [2020-10-23 20:19:12,049 WARN L193 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 149 [2020-10-23 20:19:12,662 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 149 [2020-10-23 20:19:13,280 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 148 [2020-10-23 20:19:13,905 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 149 [2020-10-23 20:19:13,907 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:19:15,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 20:19:15,152 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 20:19:16,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 20:19:16,269 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 20:19:16,531 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-23 20:19:16,531 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-23 20:19:16,534 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-23 20:19:16,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 08:19:16 BoogieIcfgContainer [2020-10-23 20:19:16,591 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 20:19:16,592 INFO L168 Benchmark]: Toolchain (without parser) took 469181.42 ms. Allocated memory was 151.0 MB in the beginning and 380.6 MB in the end (delta: 229.6 MB). Free memory was 127.0 MB in the beginning and 326.5 MB in the end (delta: -199.5 MB). Peak memory consumption was 247.7 MB. Max. memory is 8.0 GB. [2020-10-23 20:19:16,592 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 151.0 MB. Free memory is still 126.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 20:19:16,593 INFO L168 Benchmark]: CACSL2BoogieTranslator took 782.54 ms. Allocated memory is still 151.0 MB. Free memory was 126.4 MB in the beginning and 105.3 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-10-23 20:19:16,595 INFO L168 Benchmark]: Boogie Preprocessor took 150.10 ms. Allocated memory is still 151.0 MB. Free memory was 105.3 MB in the beginning and 132.4 MB in the end (delta: -27.2 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2020-10-23 20:19:16,596 INFO L168 Benchmark]: RCFGBuilder took 1900.39 ms. Allocated memory is still 151.0 MB. Free memory was 132.4 MB in the beginning and 86.8 MB in the end (delta: 45.6 MB). Peak memory consumption was 63.5 MB. Max. memory is 8.0 GB. [2020-10-23 20:19:16,596 INFO L168 Benchmark]: TraceAbstraction took 466327.73 ms. Allocated memory was 151.0 MB in the beginning and 380.6 MB in the end (delta: 229.6 MB). Free memory was 86.3 MB in the beginning and 326.5 MB in the end (delta: -240.2 MB). Peak memory consumption was 206.3 MB. Max. memory is 8.0 GB. [2020-10-23 20:19:16,598 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 151.0 MB. Free memory is still 126.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 782.54 ms. Allocated memory is still 151.0 MB. Free memory was 126.4 MB in the beginning and 105.3 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 150.10 ms. Allocated memory is still 151.0 MB. Free memory was 105.3 MB in the beginning and 132.4 MB in the end (delta: -27.2 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1900.39 ms. Allocated memory is still 151.0 MB. Free memory was 132.4 MB in the beginning and 86.8 MB in the end (delta: 45.6 MB). Peak memory consumption was 63.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 466327.73 ms. Allocated memory was 151.0 MB in the beginning and 380.6 MB in the end (delta: 229.6 MB). Free memory was 86.3 MB in the beginning and 326.5 MB in the end (delta: -240.2 MB). Peak memory consumption was 206.3 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: [L119] int pumpRunning = 0; [L120] int systemActive = 1; [L493] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L717] int cleanupTimeShifts = 4; [L816] int waterLevel = 1; [L817] int methaneLevelCritical = 0; [L793] int retValue_acc ; [L794] int tmp ; [L798] FCALL select_helpers() [L799] FCALL select_features() [L800] CALL, EXPR valid_product() [L936] int retValue_acc ; [L939] retValue_acc = 1 [L940] return (retValue_acc); [L800] RET, EXPR valid_product() [L800] tmp = valid_product() [L802] COND TRUE \read(tmp) [L804] FCALL setup() [L805] CALL runTest() [L784] CALL test() [L47] int splverifierCounter ; [L48] int tmp ; [L49] int tmp___0 ; [L50] int tmp___1 ; [L51] int tmp___2 ; [L54] splverifierCounter = 0 [L56] COND TRUE 1 [L58] COND TRUE splverifierCounter < 4 [L64] tmp = __VERIFIER_nondet_int() [L66] COND TRUE \read(tmp) [L68] CALL waterRise() [L834] COND TRUE waterLevel < 2 [L835] waterLevel = waterLevel + 1 [L68] RET waterRise() [L74] tmp___0 = __VERIFIER_nondet_int() [L76] COND FALSE !(\read(tmp___0)) [L84] tmp___2 = __VERIFIER_nondet_int() [L86] COND TRUE \read(tmp___2) [L99] CALL timeShift() [L127] COND FALSE !(\read(pumpRunning)) [L134] COND TRUE \read(systemActive) [L136] CALL processEnvironment() [L182] int tmp ; [L185] COND FALSE !(\read(pumpRunning)) [L200] CALL processEnvironment__wrappee__methaneQuery() [L156] int tmp ; [L159] COND TRUE ! pumpRunning [L161] CALL, EXPR isHighWaterLevel() [L296] int retValue_acc ; [L297] int tmp ; [L298] int tmp___0 ; [L302] CALL, EXPR isHighWaterSensorDry() [L896] int retValue_acc ; [L899] COND TRUE waterLevel < 2 [L900] retValue_acc = 1 [L901] return (retValue_acc); [L302] RET, EXPR isHighWaterSensorDry() [L302] tmp = isHighWaterSensorDry() [L304] COND TRUE \read(tmp) [L305] tmp___0 = 0 [L309] retValue_acc = tmp___0 [L310] return (retValue_acc); [L161] RET, EXPR isHighWaterLevel() [L161] tmp = isHighWaterLevel() [L163] COND FALSE !(\read(tmp)) [L169] FCALL processEnvironment__wrappee__base() [L200] RET processEnvironment__wrappee__methaneQuery() [L136] RET processEnvironment() [L142] CALL __utac_acc__Specification4_spec__1() [L692] int tmp ; [L693] int tmp___0 ; [L697] CALL, EXPR getWaterLevel() [L887] int retValue_acc ; [L890] retValue_acc = waterLevel [L891] return (retValue_acc); [L697] RET, EXPR getWaterLevel() [L697] tmp = getWaterLevel() [L699] COND FALSE !(tmp == 0) [L142] RET __utac_acc__Specification4_spec__1() [L99] RET timeShift() [L56] COND TRUE 1 [L58] COND TRUE splverifierCounter < 4 [L64] tmp = __VERIFIER_nondet_int() [L66] COND TRUE \read(tmp) [L68] CALL waterRise() [L834] COND TRUE waterLevel < 2 [L835] waterLevel = waterLevel + 1 [L68] RET waterRise() [L74] tmp___0 = __VERIFIER_nondet_int() [L76] COND FALSE !(\read(tmp___0)) [L84] tmp___2 = __VERIFIER_nondet_int() [L86] COND TRUE \read(tmp___2) [L99] CALL timeShift() [L127] COND FALSE !(\read(pumpRunning)) [L134] COND TRUE \read(systemActive) [L136] CALL processEnvironment() [L182] int tmp ; [L185] COND FALSE !(\read(pumpRunning)) [L200] CALL processEnvironment__wrappee__methaneQuery() [L156] int tmp ; [L159] COND TRUE ! pumpRunning [L161] CALL, EXPR isHighWaterLevel() [L296] int retValue_acc ; [L297] int tmp ; [L298] int tmp___0 ; [L302] CALL, EXPR isHighWaterSensorDry() [L896] int retValue_acc ; [L899] COND TRUE waterLevel < 2 [L900] retValue_acc = 1 [L901] return (retValue_acc); [L302] RET, EXPR isHighWaterSensorDry() [L302] tmp = isHighWaterSensorDry() [L304] COND TRUE \read(tmp) [L305] tmp___0 = 0 [L309] retValue_acc = tmp___0 [L310] return (retValue_acc); [L161] RET, EXPR isHighWaterLevel() [L161] tmp = isHighWaterLevel() [L163] COND FALSE !(\read(tmp)) [L169] FCALL processEnvironment__wrappee__base() [L200] RET processEnvironment__wrappee__methaneQuery() [L136] RET processEnvironment() [L142] CALL __utac_acc__Specification4_spec__1() [L692] int tmp ; [L693] int tmp___0 ; [L697] CALL, EXPR getWaterLevel() [L887] int retValue_acc ; [L890] retValue_acc = waterLevel [L891] return (retValue_acc); [L697] RET, EXPR getWaterLevel() [L697] tmp = getWaterLevel() [L699] COND TRUE tmp == 0 [L701] CALL, EXPR isPumpRunning() [L251] int retValue_acc ; [L254] retValue_acc = pumpRunning [L255] return (retValue_acc); [L701] RET, EXPR isPumpRunning() [L701] tmp___0 = isPumpRunning() [L703] COND TRUE \read(tmp___0) [L705] CALL __automaton_fail() [L319] CALL reach_error() [L3] __assert_fail("0", "minepump_spec4_product45.cil.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 640 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 466.1s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 26.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1285 SDtfs, 2047 SDslu, 1974 SDs, 0 SdLazy, 4525 SolverSat, 707 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 164 GetRequests, 103 SyntacticMatches, 1 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 254 ImplicationChecksByTransitivity, 13.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=780occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 273 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...