java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:58:20,375 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:58:20,378 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:58:20,390 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:58:20,391 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:58:20,392 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:58:20,393 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:58:20,395 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:58:20,397 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:58:20,398 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:58:20,399 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:58:20,400 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:58:20,400 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:58:20,401 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:58:20,402 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:58:20,403 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:58:20,404 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:58:20,405 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:58:20,407 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:58:20,409 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:58:20,410 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:58:20,411 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:58:20,412 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:58:20,413 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:58:20,415 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:58:20,416 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:58:20,416 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:58:20,417 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:58:20,417 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:58:20,418 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:58:20,419 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:58:20,419 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:58:20,420 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:58:20,421 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:58:20,422 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:58:20,422 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:58:20,423 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:58:20,423 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:58:20,424 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:58:20,425 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:58:20,425 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:58:20,426 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-10-03 02:58:20,442 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:58:20,442 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:58:20,442 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:58:20,443 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:58:20,443 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:58:20,444 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:58:20,444 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:58:20,444 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:58:20,444 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:58:20,444 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:58:20,445 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:58:20,445 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:58:20,446 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:58:20,446 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:58:20,446 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:58:20,446 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:58:20,446 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:58:20,447 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:58:20,447 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:58:20,447 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:58:20,447 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:58:20,447 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:58:20,448 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:58:20,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:58:20,448 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:58:20,448 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:58:20,448 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:58:20,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:58:20,449 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:58:20,449 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:58:20,477 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:58:20,491 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:58:20,494 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:58:20,496 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:58:20,496 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:58:20,497 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product21.cil.c [2019-10-03 02:58:20,564 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/119d5f649/7af05bab679b46199eee8e7ab09f09dc/FLAG5c5546a92 [2019-10-03 02:58:21,148 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:58:21,149 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product21.cil.c [2019-10-03 02:58:21,163 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/119d5f649/7af05bab679b46199eee8e7ab09f09dc/FLAG5c5546a92 [2019-10-03 02:58:21,383 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/119d5f649/7af05bab679b46199eee8e7ab09f09dc [2019-10-03 02:58:21,394 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:58:21,395 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:58:21,396 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:58:21,397 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:58:21,400 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:58:21,402 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:58:21" (1/1) ... [2019-10-03 02:58:21,407 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cf90c45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:21, skipping insertion in model container [2019-10-03 02:58:21,407 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:58:21" (1/1) ... [2019-10-03 02:58:21,415 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:58:21,485 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:58:21,961 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:58:21,987 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:58:22,081 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:58:22,118 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:58:22,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:22 WrapperNode [2019-10-03 02:58:22,119 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:58:22,120 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:58:22,120 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:58:22,120 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:58:22,133 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:22" (1/1) ... [2019-10-03 02:58:22,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:22" (1/1) ... [2019-10-03 02:58:22,153 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:22" (1/1) ... [2019-10-03 02:58:22,153 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:22" (1/1) ... [2019-10-03 02:58:22,182 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:22" (1/1) ... [2019-10-03 02:58:22,193 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:22" (1/1) ... [2019-10-03 02:58:22,198 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:22" (1/1) ... [2019-10-03 02:58:22,206 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:58:22,207 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:58:22,207 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:58:22,207 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:58:22,208 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:22" (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 [2019-10-03 02:58:22,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:58:22,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:58:22,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:58:22,287 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-03 02:58:22,288 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-03 02:58:22,288 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-03 02:58:22,288 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-03 02:58:22,288 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-03 02:58:22,288 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-03 02:58:22,288 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-03 02:58:22,289 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-03 02:58:22,289 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-03 02:58:22,289 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-03 02:58:22,291 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:58:22,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:58:22,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:58:22,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:58:22,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:58:22,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:58:22,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:58:22,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:58:22,293 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:58:22,293 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:58:22,293 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:58:22,294 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:58:22,295 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-03 02:58:22,295 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-03 02:58:22,295 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:58:22,295 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-03 02:58:22,295 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:58:22,296 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-03 02:58:22,296 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-03 02:58:22,296 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-03 02:58:22,296 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-03 02:58:22,296 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-03 02:58:22,296 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-03 02:58:22,297 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-03 02:58:22,297 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-03 02:58:22,297 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:58:22,297 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:58:22,298 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:58:22,298 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-03 02:58:22,298 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-03 02:58:22,298 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-03 02:58:22,298 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-03 02:58:22,299 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-03 02:58:22,299 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-03 02:58:22,299 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-03 02:58:22,299 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-03 02:58:22,299 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-03 02:58:22,299 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-03 02:58:22,300 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-03 02:58:22,300 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-03 02:58:22,300 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-03 02:58:22,300 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-03 02:58:22,300 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-03 02:58:22,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:58:22,301 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-03 02:58:22,301 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-03 02:58:22,301 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-03 02:58:22,301 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:58:22,302 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:58:22,302 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:58:22,302 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:58:22,302 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:58:22,303 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:58:22,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:58:22,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:58:22,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:58:22,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:58:22,304 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:58:22,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:58:22,304 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:58:22,305 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:58:22,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:58:22,305 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:58:22,305 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:58:22,305 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:58:22,305 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:58:22,306 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:58:22,306 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:58:22,307 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:58:22,307 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-03 02:58:22,307 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:58:22,307 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-03 02:58:22,308 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:58:22,308 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-03 02:58:22,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:58:22,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:58:22,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:58:23,517 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:58:23,517 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-03 02:58:23,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:58:23 BoogieIcfgContainer [2019-10-03 02:58:23,519 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:58:23,522 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:58:23,522 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:58:23,526 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:58:23,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:58:21" (1/3) ... [2019-10-03 02:58:23,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dadec35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:58:23, skipping insertion in model container [2019-10-03 02:58:23,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:22" (2/3) ... [2019-10-03 02:58:23,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dadec35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:58:23, skipping insertion in model container [2019-10-03 02:58:23,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:58:23" (3/3) ... [2019-10-03 02:58:23,530 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product21.cil.c [2019-10-03 02:58:23,540 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:58:23,552 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:58:23,570 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:58:23,594 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:58:23,594 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:58:23,594 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:58:23,594 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:58:23,595 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:58:23,595 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:58:23,595 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:58:23,595 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:58:23,615 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states. [2019-10-03 02:58:23,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-03 02:58:23,628 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:58:23,629 INFO L411 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] [2019-10-03 02:58:23,631 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:58:23,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:58:23,637 INFO L82 PathProgramCache]: Analyzing trace with hash 1715391972, now seen corresponding path program 1 times [2019-10-03 02:58:23,639 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:58:23,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:23,695 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:58:23,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:23,696 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:58:23,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:58:23,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:58:23,940 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:58:23,940 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-03 02:58:23,941 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:58:23,947 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:58:23,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:58:23,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:58:23,975 INFO L87 Difference]: Start difference. First operand 165 states. Second operand 2 states. [2019-10-03 02:58:24,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:58:24,018 INFO L93 Difference]: Finished difference Result 133 states and 155 transitions. [2019-10-03 02:58:24,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:58:24,019 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-03 02:58:24,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:58:24,031 INFO L225 Difference]: With dead ends: 133 [2019-10-03 02:58:24,031 INFO L226 Difference]: Without dead ends: 122 [2019-10-03 02:58:24,033 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:58:24,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2019-10-03 02:58:24,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2019-10-03 02:58:24,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2019-10-03 02:58:24,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 143 transitions. [2019-10-03 02:58:24,086 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 143 transitions. Word has length 46 [2019-10-03 02:58:24,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:58:24,087 INFO L475 AbstractCegarLoop]: Abstraction has 122 states and 143 transitions. [2019-10-03 02:58:24,087 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:58:24,087 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 143 transitions. [2019-10-03 02:58:24,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-03 02:58:24,091 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:58:24,091 INFO L411 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] [2019-10-03 02:58:24,091 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:58:24,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:58:24,092 INFO L82 PathProgramCache]: Analyzing trace with hash 1451016252, now seen corresponding path program 1 times [2019-10-03 02:58:24,092 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:58:24,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:24,095 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:58:24,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:24,095 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:58:24,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:58:24,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:58:24,231 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:58:24,231 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:58:24,232 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:58:24,234 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:58:24,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:58:24,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:58:24,236 INFO L87 Difference]: Start difference. First operand 122 states and 143 transitions. Second operand 3 states. [2019-10-03 02:58:24,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:58:24,262 INFO L93 Difference]: Finished difference Result 113 states and 131 transitions. [2019-10-03 02:58:24,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:58:24,263 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-03 02:58:24,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:58:24,265 INFO L225 Difference]: With dead ends: 113 [2019-10-03 02:58:24,266 INFO L226 Difference]: Without dead ends: 113 [2019-10-03 02:58:24,267 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:58:24,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-10-03 02:58:24,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2019-10-03 02:58:24,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-10-03 02:58:24,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 131 transitions. [2019-10-03 02:58:24,279 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 131 transitions. Word has length 47 [2019-10-03 02:58:24,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:58:24,279 INFO L475 AbstractCegarLoop]: Abstraction has 113 states and 131 transitions. [2019-10-03 02:58:24,280 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:58:24,280 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 131 transitions. [2019-10-03 02:58:24,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-03 02:58:24,282 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:58:24,282 INFO L411 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] [2019-10-03 02:58:24,283 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:58:24,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:58:24,283 INFO L82 PathProgramCache]: Analyzing trace with hash 880823031, now seen corresponding path program 1 times [2019-10-03 02:58:24,283 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:58:24,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:24,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:58:24,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:24,286 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:58:24,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:58:24,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:58:24,400 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:58:24,401 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-03 02:58:24,401 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:58:24,401 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-03 02:58:24,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-03 02:58:24,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-03 02:58:24,402 INFO L87 Difference]: Start difference. First operand 113 states and 131 transitions. Second operand 7 states. [2019-10-03 02:58:24,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:58:24,731 INFO L93 Difference]: Finished difference Result 113 states and 130 transitions. [2019-10-03 02:58:24,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-03 02:58:24,732 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-10-03 02:58:24,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:58:24,734 INFO L225 Difference]: With dead ends: 113 [2019-10-03 02:58:24,735 INFO L226 Difference]: Without dead ends: 113 [2019-10-03 02:58:24,736 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-03 02:58:24,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-10-03 02:58:24,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2019-10-03 02:58:24,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-10-03 02:58:24,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 130 transitions. [2019-10-03 02:58:24,755 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 130 transitions. Word has length 51 [2019-10-03 02:58:24,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:58:24,758 INFO L475 AbstractCegarLoop]: Abstraction has 113 states and 130 transitions. [2019-10-03 02:58:24,758 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-03 02:58:24,758 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 130 transitions. [2019-10-03 02:58:24,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-03 02:58:24,766 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:58:24,766 INFO L411 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] [2019-10-03 02:58:24,767 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:58:24,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:58:24,767 INFO L82 PathProgramCache]: Analyzing trace with hash 2056665484, now seen corresponding path program 1 times [2019-10-03 02:58:24,767 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:58:24,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:24,771 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:58:24,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:24,771 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:58:24,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:58:25,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:58:25,022 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:58:25,022 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-03 02:58:25,053 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:58:25,053 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-03 02:58:25,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-03 02:58:25,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-03 02:58:25,054 INFO L87 Difference]: Start difference. First operand 113 states and 130 transitions. Second operand 10 states. [2019-10-03 02:58:25,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:58:25,727 INFO L93 Difference]: Finished difference Result 271 states and 325 transitions. [2019-10-03 02:58:25,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-03 02:58:25,728 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 64 [2019-10-03 02:58:25,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:58:25,737 INFO L225 Difference]: With dead ends: 271 [2019-10-03 02:58:25,737 INFO L226 Difference]: Without dead ends: 271 [2019-10-03 02:58:25,740 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-10-03 02:58:25,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2019-10-03 02:58:25,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 267. [2019-10-03 02:58:25,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2019-10-03 02:58:25,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 318 transitions. [2019-10-03 02:58:25,792 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 318 transitions. Word has length 64 [2019-10-03 02:58:25,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:58:25,793 INFO L475 AbstractCegarLoop]: Abstraction has 267 states and 318 transitions. [2019-10-03 02:58:25,793 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-03 02:58:25,793 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 318 transitions. [2019-10-03 02:58:25,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-10-03 02:58:25,799 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:58:25,799 INFO L411 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] [2019-10-03 02:58:25,800 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:58:25,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:58:25,800 INFO L82 PathProgramCache]: Analyzing trace with hash -2113576122, now seen corresponding path program 1 times [2019-10-03 02:58:25,800 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:58:25,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:25,811 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:58:25,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:25,812 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:58:25,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:58:25,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:58:25,921 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:58:25,921 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:58:25,921 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:58:25,922 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:58:25,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:58:25,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:58:25,923 INFO L87 Difference]: Start difference. First operand 267 states and 318 transitions. Second operand 3 states. [2019-10-03 02:58:25,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:58:25,936 INFO L93 Difference]: Finished difference Result 164 states and 182 transitions. [2019-10-03 02:58:25,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:58:25,937 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2019-10-03 02:58:25,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:58:25,939 INFO L225 Difference]: With dead ends: 164 [2019-10-03 02:58:25,939 INFO L226 Difference]: Without dead ends: 164 [2019-10-03 02:58:25,942 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:58:25,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2019-10-03 02:58:25,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2019-10-03 02:58:25,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2019-10-03 02:58:25,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 182 transitions. [2019-10-03 02:58:25,955 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 182 transitions. Word has length 68 [2019-10-03 02:58:25,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:58:25,957 INFO L475 AbstractCegarLoop]: Abstraction has 164 states and 182 transitions. [2019-10-03 02:58:25,957 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:58:25,957 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 182 transitions. [2019-10-03 02:58:25,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-10-03 02:58:25,959 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:58:25,959 INFO L411 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:58:25,959 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:58:25,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:58:25,960 INFO L82 PathProgramCache]: Analyzing trace with hash -1672476349, now seen corresponding path program 1 times [2019-10-03 02:58:25,960 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:58:25,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:25,963 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:58:25,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:25,963 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:58:25,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:58:26,077 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:58:26,078 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:58:26,078 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:58:26,079 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 109 with the following transitions: [2019-10-03 02:58:26,081 INFO L207 CegarAbsIntRunner]: [50], [51], [52], [54], [57], [59], [62], [68], [70], [71], [75], [78], [113], [129], [144], [147], [148], [149], [158], [162], [166], [169], [174], [180], [182], [185], [213], [214], [222], [226], [232], [268], [272], [273], [276], [291], [294], [295], [296], [297], [390], [391], [401], [409], [410], [411], [412], [413], [415], [416], [417], [418], [419], [420], [421], [422], [423], [463], [464], [465], [466], [469], [470], [475], [476], [477], [478], [489], [490], [493], [501], [502], [503] [2019-10-03 02:58:26,118 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 02:58:26,118 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 02:58:26,198 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 02:58:26,200 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 68 root evaluator evaluations with a maximum evaluation depth of 0. Performed 68 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 126 variables. [2019-10-03 02:58:26,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:58:26,204 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 02:58:26,255 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 02:58:26,255 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 02:58:26,266 INFO L420 sIntCurrentIteration]: We unified 107 AI predicates to 107 [2019-10-03 02:58:26,267 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 02:58:26,268 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:58:26,268 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 7 [2019-10-03 02:58:26,268 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:58:26,269 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:58:26,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:58:26,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:58:26,269 INFO L87 Difference]: Start difference. First operand 164 states and 182 transitions. Second operand 2 states. [2019-10-03 02:58:26,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:58:26,270 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 02:58:26,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:58:26,270 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 108 [2019-10-03 02:58:26,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:58:26,271 INFO L225 Difference]: With dead ends: 2 [2019-10-03 02:58:26,271 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:58:26,271 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:58:26,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:58:26,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:58:26,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:58:26,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:58:26,272 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 108 [2019-10-03 02:58:26,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:58:26,273 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:58:26,273 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:58:26,273 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:58:26,273 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:58:26,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:58:26 BoogieIcfgContainer [2019-10-03 02:58:26,279 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:58:26,283 INFO L168 Benchmark]: Toolchain (without parser) took 4885.11 ms. Allocated memory was 133.7 MB in the beginning and 259.5 MB in the end (delta: 125.8 MB). Free memory was 88.6 MB in the beginning and 84.9 MB in the end (delta: 3.7 MB). Peak memory consumption was 129.5 MB. Max. memory is 7.1 GB. [2019-10-03 02:58:26,284 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 133.7 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 02:58:26,285 INFO L168 Benchmark]: CACSL2BoogieTranslator took 722.84 ms. Allocated memory was 133.7 MB in the beginning and 200.8 MB in the end (delta: 67.1 MB). Free memory was 88.4 MB in the beginning and 165.4 MB in the end (delta: -76.9 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2019-10-03 02:58:26,287 INFO L168 Benchmark]: Boogie Preprocessor took 87.03 ms. Allocated memory is still 200.8 MB. Free memory was 165.4 MB in the beginning and 161.7 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2019-10-03 02:58:26,288 INFO L168 Benchmark]: RCFGBuilder took 1312.59 ms. Allocated memory was 200.8 MB in the beginning and 226.5 MB in the end (delta: 25.7 MB). Free memory was 161.1 MB in the beginning and 194.3 MB in the end (delta: -33.2 MB). Peak memory consumption was 87.9 MB. Max. memory is 7.1 GB. [2019-10-03 02:58:26,289 INFO L168 Benchmark]: TraceAbstraction took 2756.86 ms. Allocated memory was 226.5 MB in the beginning and 259.5 MB in the end (delta: 33.0 MB). Free memory was 193.0 MB in the beginning and 84.9 MB in the end (delta: 108.0 MB). Peak memory consumption was 141.0 MB. Max. memory is 7.1 GB. [2019-10-03 02:58:26,299 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 133.7 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 722.84 ms. Allocated memory was 133.7 MB in the beginning and 200.8 MB in the end (delta: 67.1 MB). Free memory was 88.4 MB in the beginning and 165.4 MB in the end (delta: -76.9 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.03 ms. Allocated memory is still 200.8 MB. Free memory was 165.4 MB in the beginning and 161.7 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1312.59 ms. Allocated memory was 200.8 MB in the beginning and 226.5 MB in the end (delta: 25.7 MB). Free memory was 161.1 MB in the beginning and 194.3 MB in the end (delta: -33.2 MB). Peak memory consumption was 87.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2756.86 ms. Allocated memory was 226.5 MB in the beginning and 259.5 MB in the end (delta: 33.0 MB). Free memory was 193.0 MB in the beginning and 84.9 MB in the end (delta: 108.0 MB). Peak memory consumption was 141.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 300]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 224 locations, 1 error locations. SAFE Result, 2.6s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 1.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 649 SDtfs, 427 SDslu, 1288 SDs, 0 SdLazy, 432 SolverSat, 63 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 152 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=267occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.1s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 0.897196261682243 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 384 NumberOfCodeBlocks, 384 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 378 ConstructedInterpolants, 0 QuantifiedInterpolants, 54179 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 32/36 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...