/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_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 19:58:46,833 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 19:58:46,837 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 19:58:46,894 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 19:58:46,895 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 19:58:46,899 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 19:58:46,903 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 19:58:46,911 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 19:58:46,915 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 19:58:46,921 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 19:58:46,922 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 19:58:46,924 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-23 19:58:46,925 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-23 19:58:46,928 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-23 19:58:46,931 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-23 19:58:46,933 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-23 19:58:46,934 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-23 19:58:46,938 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-23 19:58:46,945 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-23 19:58:46,953 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-23 19:58:46,955 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-23 19:58:46,957 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-23 19:58:46,958 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-23 19:58:46,961 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-23 19:58:46,970 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-23 19:58:46,970 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-23 19:58:46,971 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-23 19:58:46,973 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-23 19:58:46,974 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-23 19:58:46,975 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-23 19:58:46,975 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-23 19:58:46,976 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-23 19:58:46,979 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-23 19:58:46,979 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-23 19:58:46,981 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-23 19:58:46,981 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-23 19:58:46,982 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-23 19:58:46,982 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-23 19:58:46,982 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 19:58:46,984 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 19:58:46,984 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 19:58:46,986 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 19:58:47,010 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 19:58:47,010 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 19:58:47,015 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 19:58:47,016 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 19:58:47,016 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 19:58:47,016 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 19:58:47,016 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 19:58:47,017 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 19:58:47,017 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 19:58:47,017 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 19:58:47,018 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 19:58:47,019 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 19:58:47,019 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 19:58:47,019 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 19:58:47,020 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 19:58:47,020 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-23 19:58:47,020 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 19:58:47,021 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 19:58:47,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 19:58:47,021 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 19:58:47,021 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-23 19:58:47,022 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 19:58:47,022 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 19:58:47,452 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 19:58:47,492 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 19:58:47,496 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 19:58:47,497 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 19:58:47,498 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 19:58:47,499 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product03.cil.c [2020-10-23 19:58:47,586 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/053c9c8ea/445e529e04ea4a40824f007414dd84c5/FLAG5b663b1d6 [2020-10-23 19:58:48,361 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 19:58:48,362 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product03.cil.c [2020-10-23 19:58:48,379 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/053c9c8ea/445e529e04ea4a40824f007414dd84c5/FLAG5b663b1d6 [2020-10-23 19:58:48,642 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/053c9c8ea/445e529e04ea4a40824f007414dd84c5 [2020-10-23 19:58:48,645 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 19:58:48,652 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 19:58:48,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 19:58:48,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 19:58:48,663 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 19:58:48,664 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 07:58:48" (1/1) ... [2020-10-23 19:58:48,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a8def0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:58:48, skipping insertion in model container [2020-10-23 19:58:48,669 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 07:58:48" (1/1) ... [2020-10-23 19:58:48,678 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 19:58:48,739 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 19:58:49,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 19:58:49,066 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 19:58:49,203 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 19:58:49,238 INFO L208 MainTranslator]: Completed translation [2020-10-23 19:58:49,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:58:49 WrapperNode [2020-10-23 19:58:49,239 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 19:58:49,240 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 19:58:49,240 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 19:58:49,240 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 19:58:49,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:58:49" (1/1) ... [2020-10-23 19:58:49,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:58:49" (1/1) ... [2020-10-23 19:58:49,272 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:58:49" (1/1) ... [2020-10-23 19:58:49,272 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:58:49" (1/1) ... [2020-10-23 19:58:49,304 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:58:49" (1/1) ... [2020-10-23 19:58:49,313 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:58:49" (1/1) ... [2020-10-23 19:58:49,319 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:58:49" (1/1) ... [2020-10-23 19:58:49,326 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 19:58:49,327 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 19:58:49,327 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 19:58:49,328 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 19:58:49,328 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:58:49" (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 19:58:49,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 19:58:49,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 19:58:49,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-23 19:58:49,416 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 19:58:49,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-23 19:58:49,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-23 19:58:49,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-23 19:58:49,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-23 19:58:49,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-23 19:58:49,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-23 19:58:49,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-23 19:58:49,417 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-23 19:58:49,417 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-23 19:58:49,417 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-23 19:58:49,418 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-23 19:58:49,418 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-23 19:58:49,418 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-23 19:58:49,418 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-23 19:58:49,418 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-23 19:58:49,418 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-23 19:58:49,419 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-23 19:58:49,419 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-23 19:58:49,419 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-23 19:58:49,419 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-23 19:58:49,419 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-23 19:58:49,420 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-23 19:58:49,420 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-23 19:58:49,420 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-23 19:58:49,420 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-23 19:58:49,420 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-23 19:58:49,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-10-23 19:58:49,421 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-23 19:58:49,421 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-23 19:58:49,421 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-23 19:58:49,421 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-23 19:58:49,421 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 19:58:49,422 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 19:58:49,422 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 19:58:49,422 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 19:58:49,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 19:58:49,422 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 19:58:49,422 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-23 19:58:49,423 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-23 19:58:49,423 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-23 19:58:49,423 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-23 19:58:49,423 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-23 19:58:49,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-23 19:58:49,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-23 19:58:49,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 19:58:49,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-23 19:58:49,424 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-23 19:58:49,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 19:58:49,424 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-23 19:58:49,424 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-23 19:58:49,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 19:58:49,425 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-23 19:58:49,425 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-23 19:58:49,425 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-23 19:58:49,425 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-23 19:58:49,425 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-23 19:58:49,425 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-23 19:58:49,425 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-23 19:58:49,426 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-23 19:58:49,426 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-23 19:58:49,426 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-23 19:58:49,426 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-23 19:58:49,426 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-23 19:58:49,426 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-23 19:58:49,426 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-23 19:58:49,427 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-23 19:58:49,427 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-23 19:58:49,427 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-23 19:58:49,427 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-23 19:58:49,427 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-23 19:58:49,427 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-23 19:58:49,428 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-10-23 19:58:49,428 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-23 19:58:49,428 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-23 19:58:49,428 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-23 19:58:49,428 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-23 19:58:49,428 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-23 19:58:49,429 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-23 19:58:49,429 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 19:58:49,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 19:58:49,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 19:58:49,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 19:58:50,638 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 19:58:50,639 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-23 19:58:50,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 07:58:50 BoogieIcfgContainer [2020-10-23 19:58:50,644 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 19:58:50,648 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 19:58:50,649 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 19:58:50,653 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 19:58:50,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 07:58:48" (1/3) ... [2020-10-23 19:58:50,655 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a8ff198 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 07:58:50, skipping insertion in model container [2020-10-23 19:58:50,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:58:49" (2/3) ... [2020-10-23 19:58:50,655 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a8ff198 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 07:58:50, skipping insertion in model container [2020-10-23 19:58:50,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 07:58:50" (3/3) ... [2020-10-23 19:58:50,657 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product03.cil.c [2020-10-23 19:58:50,671 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-23 19:58:50,678 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-23 19:58:50,692 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-23 19:58:50,728 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 19:58:50,729 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 19:58:50,729 INFO L379 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-10-23 19:58:50,729 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 19:58:50,729 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 19:58:50,729 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 19:58:50,729 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 19:58:50,729 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 19:58:50,762 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states. [2020-10-23 19:58:50,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-23 19:58:50,791 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 19:58:50,792 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 19:58:50,793 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 19:58:50,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 19:58:50,804 INFO L82 PathProgramCache]: Analyzing trace with hash 362474476, now seen corresponding path program 1 times [2020-10-23 19:58:50,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 19:58:50,814 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1736975664] [2020-10-23 19:58:50,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 19:58:50,900 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 19:58:51,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:58:51,760 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 19:58:51,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 19:58:51,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:58:51,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 19:58:51,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:58:51,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 19:58:51,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:58:51,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 19:58:51,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:58:51,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 19:58:51,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:58:51,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-23 19:58:51,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:58:51,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-23 19:58:51,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:58:51,910 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 19:58:51,912 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1736975664] [2020-10-23 19:58:51,914 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 19:58:51,914 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-23 19:58:51,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833060242] [2020-10-23 19:58:51,920 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 19:58:51,920 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 19:58:51,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 19:58:51,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-23 19:58:51,959 INFO L87 Difference]: Start difference. First operand 259 states. Second operand 3 states. [2020-10-23 19:58:53,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 19:58:53,496 INFO L93 Difference]: Finished difference Result 373 states and 448 transitions. [2020-10-23 19:58:53,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 19:58:53,501 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2020-10-23 19:58:53,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 19:58:53,521 INFO L225 Difference]: With dead ends: 373 [2020-10-23 19:58:53,521 INFO L226 Difference]: Without dead ends: 244 [2020-10-23 19:58:53,529 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-23 19:58:53,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2020-10-23 19:58:53,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 205. [2020-10-23 19:58:53,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2020-10-23 19:58:53,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 219 transitions. [2020-10-23 19:58:53,694 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 219 transitions. Word has length 148 [2020-10-23 19:58:53,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 19:58:53,699 INFO L481 AbstractCegarLoop]: Abstraction has 205 states and 219 transitions. [2020-10-23 19:58:53,699 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 19:58:53,700 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 219 transitions. [2020-10-23 19:58:53,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-23 19:58:53,713 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 19:58:53,713 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 19:58:53,713 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 19:58:53,714 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 19:58:53,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 19:58:53,715 INFO L82 PathProgramCache]: Analyzing trace with hash -1943581655, now seen corresponding path program 1 times [2020-10-23 19:58:53,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 19:58:53,720 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1081213153] [2020-10-23 19:58:53,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 19:58:53,728 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 19:58:53,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:58:54,264 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 19:58:54,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 19:58:54,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:58:54,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 19:58:54,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:58:54,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 19:58:54,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:58:54,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 19:58:54,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:58:54,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 19:58:54,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:58:54,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-23 19:58:54,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:58:54,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-23 19:58:54,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:58:54,353 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 19:58:54,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1081213153] [2020-10-23 19:58:54,354 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 19:58:54,372 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-23 19:58:54,373 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185086894] [2020-10-23 19:58:54,376 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-23 19:58:54,377 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 19:58:54,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-23 19:58:54,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-23 19:58:54,378 INFO L87 Difference]: Start difference. First operand 205 states and 219 transitions. Second operand 4 states. [2020-10-23 19:58:55,223 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 19:58:55,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 19:58:55,952 INFO L93 Difference]: Finished difference Result 278 states and 309 transitions. [2020-10-23 19:58:55,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-23 19:58:55,953 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 149 [2020-10-23 19:58:55,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 19:58:55,958 INFO L225 Difference]: With dead ends: 278 [2020-10-23 19:58:55,958 INFO L226 Difference]: Without dead ends: 227 [2020-10-23 19:58:55,960 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 19:58:55,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-10-23 19:58:56,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 195. [2020-10-23 19:58:56,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2020-10-23 19:58:56,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 206 transitions. [2020-10-23 19:58:56,027 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 206 transitions. Word has length 149 [2020-10-23 19:58:56,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 19:58:56,028 INFO L481 AbstractCegarLoop]: Abstraction has 195 states and 206 transitions. [2020-10-23 19:58:56,028 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-23 19:58:56,028 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 206 transitions. [2020-10-23 19:58:56,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-23 19:58:56,030 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 19:58:56,031 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 19:58:56,031 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 19:58:56,031 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 19:58:56,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 19:58:56,032 INFO L82 PathProgramCache]: Analyzing trace with hash -1569364910, now seen corresponding path program 1 times [2020-10-23 19:58:56,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 19:58:56,032 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1042905483] [2020-10-23 19:58:56,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 19:58:56,036 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 19:58:56,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:58:56,564 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 19:58:56,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 19:58:56,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:58:56,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 19:58:56,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:58:56,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 19:58:56,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:58:56,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 19:58:56,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:58:56,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 19:58:56,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:58:56,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-23 19:58:56,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:58:56,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-23 19:58:56,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:58:56,812 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 19:58:56,814 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1042905483] [2020-10-23 19:58:56,814 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 19:58:56,815 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-23 19:58:56,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472017902] [2020-10-23 19:58:56,816 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-23 19:58:56,817 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 19:58:56,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-23 19:58:56,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-23 19:58:56,818 INFO L87 Difference]: Start difference. First operand 195 states and 206 transitions. Second operand 9 states. [2020-10-23 19:58:57,543 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 19:58:58,039 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 19:58:58,430 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 19:58:58,821 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 19:58:59,218 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 19:58:59,617 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 19:59:00,837 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 19:59:02,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 19:59:02,320 INFO L93 Difference]: Finished difference Result 479 states and 548 transitions. [2020-10-23 19:59:02,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-23 19:59:02,325 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 158 [2020-10-23 19:59:02,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 19:59:02,330 INFO L225 Difference]: With dead ends: 479 [2020-10-23 19:59:02,330 INFO L226 Difference]: Without dead ends: 399 [2020-10-23 19:59:02,332 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-10-23 19:59:02,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2020-10-23 19:59:02,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 326. [2020-10-23 19:59:02,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 326 states. [2020-10-23 19:59:02,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 358 transitions. [2020-10-23 19:59:02,570 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 358 transitions. Word has length 158 [2020-10-23 19:59:02,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 19:59:02,572 INFO L481 AbstractCegarLoop]: Abstraction has 326 states and 358 transitions. [2020-10-23 19:59:02,577 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-23 19:59:02,577 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 358 transitions. [2020-10-23 19:59:02,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-23 19:59:02,585 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 19:59:02,585 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] [2020-10-23 19:59:02,586 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-23 19:59:02,586 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 19:59:02,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 19:59:02,587 INFO L82 PathProgramCache]: Analyzing trace with hash -2067839260, now seen corresponding path program 1 times [2020-10-23 19:59:02,588 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 19:59:02,590 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1849332392] [2020-10-23 19:59:02,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 19:59:02,596 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 19:59:02,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:03,119 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 19:59:03,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 19:59:03,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:03,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 19:59:03,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:03,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 19:59:03,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:03,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 19:59:03,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:03,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 19:59:03,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:03,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-23 19:59:03,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:03,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-23 19:59:03,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:03,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-23 19:59:03,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:03,317 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 19:59:03,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1849332392] [2020-10-23 19:59:03,318 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 19:59:03,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-23 19:59:03,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746822174] [2020-10-23 19:59:03,319 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-23 19:59:03,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 19:59:03,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-23 19:59:03,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2020-10-23 19:59:03,320 INFO L87 Difference]: Start difference. First operand 326 states and 358 transitions. Second operand 13 states. [2020-10-23 19:59:04,014 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 19:59:04,548 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 19:59:04,969 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 19:59:05,395 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 19:59:05,807 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 19:59:06,213 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 19:59:07,053 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 19:59:08,133 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 19:59:08,561 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 19:59:09,043 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 19:59:09,467 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 19:59:09,858 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 19:59:10,257 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-23 19:59:10,672 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 19:59:11,077 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 19:59:11,468 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 19:59:11,902 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 19:59:12,375 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-23 19:59:12,786 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 19:59:13,220 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 19:59:14,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 19:59:14,125 INFO L93 Difference]: Finished difference Result 933 states and 1118 transitions. [2020-10-23 19:59:14,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-23 19:59:14,127 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 161 [2020-10-23 19:59:14,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 19:59:14,134 INFO L225 Difference]: With dead ends: 933 [2020-10-23 19:59:14,134 INFO L226 Difference]: Without dead ends: 722 [2020-10-23 19:59:14,137 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=191, Invalid=865, Unknown=0, NotChecked=0, Total=1056 [2020-10-23 19:59:14,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2020-10-23 19:59:14,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 679. [2020-10-23 19:59:14,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 679 states. [2020-10-23 19:59:14,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 777 transitions. [2020-10-23 19:59:14,442 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 777 transitions. Word has length 161 [2020-10-23 19:59:14,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 19:59:14,442 INFO L481 AbstractCegarLoop]: Abstraction has 679 states and 777 transitions. [2020-10-23 19:59:14,443 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-23 19:59:14,443 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 777 transitions. [2020-10-23 19:59:14,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-23 19:59:14,446 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 19:59:14,446 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 19:59:14,447 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-23 19:59:14,447 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 19:59:14,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 19:59:14,448 INFO L82 PathProgramCache]: Analyzing trace with hash 2076799138, now seen corresponding path program 1 times [2020-10-23 19:59:14,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 19:59:14,448 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1334782495] [2020-10-23 19:59:14,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 19:59:14,451 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 19:59:14,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:14,838 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 19:59:14,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 19:59:14,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:14,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 19:59:14,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:14,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 19:59:14,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:14,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 19:59:14,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:14,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 19:59:14,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:14,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-23 19:59:14,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:14,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-23 19:59:14,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:14,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-23 19:59:14,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:14,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-23 19:59:14,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:14,952 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 19:59:14,952 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1334782495] [2020-10-23 19:59:14,952 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 19:59:14,953 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-23 19:59:14,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685197170] [2020-10-23 19:59:14,953 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-23 19:59:14,953 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 19:59:14,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-23 19:59:14,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-23 19:59:14,954 INFO L87 Difference]: Start difference. First operand 679 states and 777 transitions. Second operand 5 states. [2020-10-23 19:59:15,586 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 19:59:16,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 19:59:16,461 INFO L93 Difference]: Finished difference Result 1148 states and 1343 transitions. [2020-10-23 19:59:16,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-23 19:59:16,462 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 166 [2020-10-23 19:59:16,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 19:59:16,467 INFO L225 Difference]: With dead ends: 1148 [2020-10-23 19:59:16,467 INFO L226 Difference]: Without dead ends: 636 [2020-10-23 19:59:16,474 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-23 19:59:16,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2020-10-23 19:59:16,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 614. [2020-10-23 19:59:16,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 614 states. [2020-10-23 19:59:16,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 673 transitions. [2020-10-23 19:59:16,815 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 673 transitions. Word has length 166 [2020-10-23 19:59:16,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 19:59:16,815 INFO L481 AbstractCegarLoop]: Abstraction has 614 states and 673 transitions. [2020-10-23 19:59:16,815 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-23 19:59:16,815 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 673 transitions. [2020-10-23 19:59:16,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-10-23 19:59:16,819 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 19:59:16,820 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:59:16,820 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-23 19:59:16,821 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 19:59:16,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 19:59:16,821 INFO L82 PathProgramCache]: Analyzing trace with hash -206111838, now seen corresponding path program 1 times [2020-10-23 19:59:16,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 19:59:16,822 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1808388394] [2020-10-23 19:59:16,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 19:59:16,969 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2020-10-23 19:59:17,219 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2020-10-23 19:59:17,420 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2020-10-23 19:59:17,633 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-10-23 19:59:17,871 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2020-10-23 19:59:18,063 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2020-10-23 19:59:18,279 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-10-23 19:59:18,497 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2020-10-23 19:59:18,712 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-10-23 19:59:18,934 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2020-10-23 19:59:19,149 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-10-23 19:59:19,352 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-10-23 19:59:19,566 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2020-10-23 19:59:19,788 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-10-23 19:59:20,184 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 19:59:20,459 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 19:59:20,748 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 19:59:21,034 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 19:59:21,325 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 19:59:21,613 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 19:59:21,907 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 19:59:22,210 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 19:59:22,485 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 19:59:22,761 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 19:59:23,043 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 19:59:23,328 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 19:59:23,616 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 19:59:23,892 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 19:59:24,170 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 19:59:24,448 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 19:59:24,451 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 19:59:24,731 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 19:59:25,018 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 19:59:25,294 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 19:59:25,576 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 107 [2020-10-23 19:59:25,875 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 106 [2020-10-23 19:59:26,148 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 19:59:26,421 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 19:59:26,694 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 106 [2020-10-23 19:59:26,968 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 106 [2020-10-23 19:59:27,249 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 19:59:27,524 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 106 [2020-10-23 19:59:27,793 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 107 [2020-10-23 19:59:28,071 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 107 [2020-10-23 19:59:28,345 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 19:59:28,640 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 19:59:28,922 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 107 [2020-10-23 19:59:28,924 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 19:59:29,196 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 19:59:29,503 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 19:59:29,807 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 19:59:30,077 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 19:59:30,357 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 19:59:30,639 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 19:59:30,912 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 19:59:31,187 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 19:59:31,464 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 19:59:31,757 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 19:59:32,045 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 19:59:32,321 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 19:59:32,605 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 19:59:32,883 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 19:59:33,159 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 19:59:33,432 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 19:59:33,435 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 19:59:33,730 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 19:59:34,030 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 19:59:34,314 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 19:59:34,588 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 19:59:34,846 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 19:59:35,128 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 19:59:35,416 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 19:59:35,705 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 19:59:36,008 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 19:59:36,295 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 19:59:36,579 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 19:59:36,860 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 19:59:37,150 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 19:59:37,436 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 19:59:37,717 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 19:59:38,023 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 19:59:38,025 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 19:59:40,757 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 19:59:43,244 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 161 [2020-10-23 19:59:43,257 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 19:59:45,726 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 161 [2020-10-23 19:59:45,730 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 19:59:48,193 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 161 [2020-10-23 19:59:48,197 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 19:59:49,236 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 19:59:51,699 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 161 [2020-10-23 19:59:51,704 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 19:59:52,776 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 19:59:55,226 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 161 [2020-10-23 19:59:55,229 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 19:59:57,742 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 19:59:57,746 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 19:59:58,785 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 19:59:58,790 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:00:01,305 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:00:01,309 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:00:03,806 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:00:03,811 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:00:06,297 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 161 [2020-10-23 20:00:06,302 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:00:08,760 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 161 [2020-10-23 20:00:08,764 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:00:10,030 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:00:10,034 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:00:12,469 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 161 [2020-10-23 20:00:12,473 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:00:12,476 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:00:14,938 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:00:14,942 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:00:16,066 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 160 [2020-10-23 20:00:18,477 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:00:18,482 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:00:20,882 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:00:20,886 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:00:23,297 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:00:25,705 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:00:25,708 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:00:28,132 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:00:28,135 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:00:30,592 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 160 [2020-10-23 20:00:30,596 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:00:33,031 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 160 [2020-10-23 20:00:33,035 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:00:34,423 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 159 [2020-10-23 20:00:34,426 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:00:36,877 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 157 [2020-10-23 20:00:36,881 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:00:39,338 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 159 [2020-10-23 20:00:39,343 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:00:41,780 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 160 [2020-10-23 20:00:41,784 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:00:44,243 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 160 [2020-10-23 20:00:44,247 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:00:46,669 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 157 [2020-10-23 20:00:46,673 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:00:49,145 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 160 [2020-10-23 20:00:49,150 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:00:51,645 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:00:51,648 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:00:54,120 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:00:54,123 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:00:56,563 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2020-10-23 20:00:56,566 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:00:59,008 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2020-10-23 20:00:59,012 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:01:01,493 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2020-10-23 20:01:01,496 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:01:03,981 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2020-10-23 20:01:03,984 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:01:06,485 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2020-10-23 20:01:06,488 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:01:09,017 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:01:11,460 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2020-10-23 20:01:13,898 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2020-10-23 20:01:13,902 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:01:16,433 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:01:16,436 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:01:18,021 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:01:18,025 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:01:20,511 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:01:20,514 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:01:22,994 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2020-10-23 20:01:22,997 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:01:24,369 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:01:24,372 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:01:26,918 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:01:26,922 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:01:26,927 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:01:29,407 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 159 [2020-10-23 20:01:29,411 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:01:32,173 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:01:34,709 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 160 [2020-10-23 20:01:34,712 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:01:36,508 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 160 [2020-10-23 20:01:39,203 WARN L193 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 159 [2020-10-23 20:01:39,207 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:01:41,808 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:01:41,812 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:01:44,291 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 157 [2020-10-23 20:01:44,294 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:01:46,936 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:01:46,941 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:01:48,855 WARN L193 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 160 [2020-10-23 20:01:48,859 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:01:51,448 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 160 [2020-10-23 20:01:51,452 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:01:53,975 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 157 [2020-10-23 20:01:53,979 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:01:56,741 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 160 [2020-10-23 20:01:56,745 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:01:59,267 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:01:59,270 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:02:01,390 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 160 [2020-10-23 20:02:01,394 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:02:03,907 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:02:03,911 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:02:06,444 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:02:06,449 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:02:06,775 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:02:07,126 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2020-10-23 20:02:07,471 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:02:07,816 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2020-10-23 20:02:08,175 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:02:08,525 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2020-10-23 20:02:08,884 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2020-10-23 20:02:09,222 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:02:09,582 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:02:09,921 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:02:10,241 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2020-10-23 20:02:10,570 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2020-10-23 20:02:10,906 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:02:11,247 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:02:11,570 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2020-10-23 20:02:11,890 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2020-10-23 20:02:11,893 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:02:14,559 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:02:17,169 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:02:17,172 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:02:19,175 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:02:19,178 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:02:21,781 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:02:21,783 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:02:24,376 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:02:24,380 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:02:27,009 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:02:27,013 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:02:29,668 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:02:32,246 WARN L193 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:02:32,249 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:02:34,834 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:02:34,837 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:02:37,518 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:02:37,522 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:02:40,124 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:02:40,128 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:02:42,813 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:02:42,817 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:02:45,397 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:02:45,400 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:02:48,038 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:02:48,041 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:02:50,689 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:02:50,692 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:02:53,314 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:02:53,318 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:02:53,321 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:02:53,688 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:02:54,050 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:02:54,412 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:02:54,773 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:02:55,135 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:02:55,494 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:02:55,869 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:02:56,233 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:02:56,586 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:02:56,969 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:02:57,332 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:02:57,703 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:02:58,070 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:02:58,451 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:02:58,803 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:02:59,161 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:02:59,163 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:03:01,740 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:03:01,745 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:04,378 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:03:04,382 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:07,028 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:03:07,032 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:09,716 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:03:09,722 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:12,323 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:03:12,326 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:15,008 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:03:15,012 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:17,634 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:03:20,296 WARN L193 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:03:20,300 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:22,992 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:03:22,995 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:25,606 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:03:28,288 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:03:28,292 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:30,991 WARN L193 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:03:33,633 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:03:33,637 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:36,265 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:03:36,268 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:38,987 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:03:38,993 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:41,721 WARN L193 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:03:41,734 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:41,738 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:03:44,682 WARN L193 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:03:44,686 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:47,356 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:03:47,359 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:50,098 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:03:50,101 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:52,789 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:03:52,792 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:55,510 WARN L193 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:03:55,513 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:58,270 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:03:58,274 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:00,905 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:04:00,908 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:03,602 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:04:03,606 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:06,297 WARN L193 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:04:06,300 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:08,942 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:04:08,946 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:11,601 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:04:11,604 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:14,299 WARN L193 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:04:14,302 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:16,937 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:04:16,940 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:19,652 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:04:22,366 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:04:22,370 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:25,046 WARN L193 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:04:25,050 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:25,052 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:04:27,673 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:04:27,677 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:30,375 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:04:30,378 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:33,015 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:04:33,018 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:35,730 WARN L193 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:04:35,734 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:38,399 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:04:38,401 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:41,063 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:04:41,065 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:43,671 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:04:43,674 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:46,355 WARN L193 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:04:46,359 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:49,033 WARN L193 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:04:49,036 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:51,706 WARN L193 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:04:51,710 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:54,369 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:04:54,371 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:57,079 WARN L193 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:04:57,083 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:59,772 WARN L193 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:04:59,776 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:02,450 WARN L193 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:05:02,454 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:05,169 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:05:05,172 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:07,770 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:05:07,774 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:07,776 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:05:08,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 20:05:08,556 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 20:05:09,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 20:05:09,305 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 20:05:09,560 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-23 20:05:09,561 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-23 20:05:09,563 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-23 20:05:09,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 08:05:09 BoogieIcfgContainer [2020-10-23 20:05:09,601 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 20:05:09,602 INFO L168 Benchmark]: Toolchain (without parser) took 380955.68 ms. Allocated memory was 160.4 MB in the beginning and 562.0 MB in the end (delta: 401.6 MB). Free memory was 136.0 MB in the beginning and 482.1 MB in the end (delta: -346.1 MB). Peak memory consumption was 354.6 MB. Max. memory is 8.0 GB. [2020-10-23 20:05:09,603 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 160.4 MB. Free memory is still 138.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 20:05:09,603 INFO L168 Benchmark]: CACSL2BoogieTranslator took 582.44 ms. Allocated memory is still 160.4 MB. Free memory was 135.3 MB in the beginning and 115.7 MB in the end (delta: 19.6 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-10-23 20:05:09,603 INFO L168 Benchmark]: Boogie Preprocessor took 86.47 ms. Allocated memory is still 160.4 MB. Free memory was 115.7 MB in the beginning and 112.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-10-23 20:05:09,606 INFO L168 Benchmark]: RCFGBuilder took 1317.20 ms. Allocated memory is still 160.4 MB. Free memory was 112.2 MB in the beginning and 76.1 MB in the end (delta: 36.0 MB). Peak memory consumption was 39.8 MB. Max. memory is 8.0 GB. [2020-10-23 20:05:09,606 INFO L168 Benchmark]: TraceAbstraction took 378952.95 ms. Allocated memory was 160.4 MB in the beginning and 562.0 MB in the end (delta: 401.6 MB). Free memory was 76.1 MB in the beginning and 482.1 MB in the end (delta: -406.0 MB). Peak memory consumption was 295.0 MB. Max. memory is 8.0 GB. [2020-10-23 20:05:09,608 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 160.4 MB. Free memory is still 138.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 582.44 ms. Allocated memory is still 160.4 MB. Free memory was 135.3 MB in the beginning and 115.7 MB in the end (delta: 19.6 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 86.47 ms. Allocated memory is still 160.4 MB. Free memory was 115.7 MB in the beginning and 112.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1317.20 ms. Allocated memory is still 160.4 MB. Free memory was 112.2 MB in the beginning and 76.1 MB in the end (delta: 36.0 MB). Peak memory consumption was 39.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 378952.95 ms. Allocated memory was 160.4 MB in the beginning and 562.0 MB in the end (delta: 401.6 MB). Free memory was 76.1 MB in the beginning and 482.1 MB in the end (delta: -406.0 MB). Peak memory consumption was 295.0 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: [L220] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L534] int pumpRunning = 0; [L535] int systemActive = 1; [L658] int waterLevel = 1; [L659] int methaneLevelCritical = 0; [L764] int cleanupTimeShifts = 4; [L837] int retValue_acc ; [L838] int tmp ; [L842] FCALL select_helpers() [L843] FCALL select_features() [L844] CALL, EXPR valid_product() [L446] int retValue_acc ; [L449] retValue_acc = 1 [L450] return (retValue_acc); [L844] RET, EXPR valid_product() [L844] tmp = valid_product() [L846] COND TRUE \read(tmp) [L848] FCALL setup() [L849] CALL runTest() [L831] CALL test() [L461] int splverifierCounter ; [L462] int tmp ; [L463] int tmp___0 ; [L464] int tmp___1 ; [L465] int tmp___2 ; [L468] splverifierCounter = 0 [L470] COND TRUE 1 [L472] COND TRUE splverifierCounter < 4 [L478] tmp = __VERIFIER_nondet_int() [L480] COND TRUE \read(tmp) [L482] CALL waterRise() [L676] COND TRUE waterLevel < 2 [L677] waterLevel = waterLevel + 1 [L482] RET waterRise() [L488] tmp___0 = __VERIFIER_nondet_int() [L490] COND FALSE !(\read(tmp___0)) [L498] tmp___2 = __VERIFIER_nondet_int() [L500] COND TRUE \read(tmp___2) [L515] CALL timeShift() [L542] COND FALSE !(\read(pumpRunning)) [L549] COND TRUE \read(systemActive) [L551] FCALL processEnvironment() [L557] CALL __utac_acc__Specification4_spec__1() [L739] int tmp ; [L740] int tmp___0 ; [L744] CALL, EXPR getWaterLevel() [L729] int retValue_acc ; [L732] retValue_acc = waterLevel [L733] return (retValue_acc); [L744] RET, EXPR getWaterLevel() [L744] tmp = getWaterLevel() [L746] COND FALSE !(tmp == 0) [L557] RET __utac_acc__Specification4_spec__1() [L515] RET timeShift() [L470] COND TRUE 1 [L472] COND TRUE splverifierCounter < 4 [L478] tmp = __VERIFIER_nondet_int() [L480] COND TRUE \read(tmp) [L482] CALL waterRise() [L676] COND TRUE waterLevel < 2 [L677] waterLevel = waterLevel + 1 [L482] RET waterRise() [L488] tmp___0 = __VERIFIER_nondet_int() [L490] COND FALSE !(\read(tmp___0)) [L498] tmp___2 = __VERIFIER_nondet_int() [L500] COND TRUE \read(tmp___2) [L515] CALL timeShift() [L542] COND FALSE !(\read(pumpRunning)) [L549] COND TRUE \read(systemActive) [L551] FCALL processEnvironment() [L557] CALL __utac_acc__Specification4_spec__1() [L739] int tmp ; [L740] int tmp___0 ; [L744] CALL, EXPR getWaterLevel() [L729] int retValue_acc ; [L732] retValue_acc = waterLevel [L733] return (retValue_acc); [L744] RET, EXPR getWaterLevel() [L744] tmp = getWaterLevel() [L746] COND TRUE tmp == 0 [L748] CALL, EXPR isPumpRunning() [L597] int retValue_acc ; [L600] retValue_acc = pumpRunning [L601] return (retValue_acc); [L748] RET, EXPR isPumpRunning() [L748] tmp___0 = isPumpRunning() [L750] COND TRUE \read(tmp___0) [L752] CALL __automaton_fail() [L46] CALL reach_error() [L3] __assert_fail("0", "minepump_spec4_product03.cil.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 591 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 378.8s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 21.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 935 SDtfs, 1260 SDslu, 1812 SDs, 0 SdLazy, 2695 SolverSat, 427 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 149 GetRequests, 94 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 13.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=679occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 209 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...