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_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 02:50:12,255 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 02:50:12,257 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 02:50:12,269 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 02:50:12,269 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 02:50:12,270 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 02:50:12,272 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 02:50:12,273 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 02:50:12,275 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 02:50:12,276 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 02:50:12,277 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 02:50:12,278 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 02:50:12,279 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 02:50:12,280 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 02:50:12,281 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 02:50:12,282 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 02:50:12,283 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 02:50:12,284 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 02:50:12,286 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 02:50:12,288 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 02:50:12,290 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 02:50:12,291 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 02:50:12,292 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 02:50:12,293 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 02:50:12,295 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 02:50:12,295 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 02:50:12,296 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 02:50:12,297 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 02:50:12,297 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 02:50:12,298 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 02:50:12,298 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 02:50:12,299 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 02:50:12,300 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 02:50:12,301 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 02:50:12,302 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 02:50:12,302 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 02:50:12,303 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 02:50:12,303 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 02:50:12,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 02:50:12,304 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 02:50:12,305 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 02:50:12,305 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 [2019-09-10 02:50:12,321 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 02:50:12,321 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 02:50:12,322 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 02:50:12,322 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 02:50:12,322 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 02:50:12,323 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 02:50:12,323 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 02:50:12,323 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 02:50:12,323 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 02:50:12,323 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 02:50:12,324 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 02:50:12,324 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 02:50:12,325 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 02:50:12,325 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 02:50:12,325 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 02:50:12,325 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 02:50:12,325 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 02:50:12,326 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 02:50:12,326 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 02:50:12,326 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 02:50:12,326 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 02:50:12,326 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 02:50:12,327 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 02:50:12,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:50:12,327 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 02:50:12,327 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 02:50:12,327 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 02:50:12,328 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 02:50:12,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 02:50:12,328 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 02:50:12,356 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 02:50:12,368 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 02:50:12,371 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 02:50:12,373 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 02:50:12,373 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 02:50:12,374 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product33.cil.c [2019-09-10 02:50:12,434 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0483abe0/6a521f42fe034dd6a1771ae73565db28/FLAG80b1dbff3 [2019-09-10 02:50:13,012 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 02:50:13,013 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product33.cil.c [2019-09-10 02:50:13,032 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0483abe0/6a521f42fe034dd6a1771ae73565db28/FLAG80b1dbff3 [2019-09-10 02:50:13,360 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0483abe0/6a521f42fe034dd6a1771ae73565db28 [2019-09-10 02:50:13,369 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 02:50:13,371 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 02:50:13,372 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 02:50:13,372 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 02:50:13,376 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 02:50:13,377 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:50:13" (1/1) ... [2019-09-10 02:50:13,380 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c19ae1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:13, skipping insertion in model container [2019-09-10 02:50:13,380 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:50:13" (1/1) ... [2019-09-10 02:50:13,388 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 02:50:13,451 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 02:50:13,885 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:50:13,900 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 02:50:13,974 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:50:14,015 INFO L192 MainTranslator]: Completed translation [2019-09-10 02:50:14,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:14 WrapperNode [2019-09-10 02:50:14,016 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 02:50:14,017 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 02:50:14,017 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 02:50:14,017 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 02:50:14,032 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:14" (1/1) ... [2019-09-10 02:50:14,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:14" (1/1) ... [2019-09-10 02:50:14,053 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:14" (1/1) ... [2019-09-10 02:50:14,055 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:14" (1/1) ... [2019-09-10 02:50:14,099 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:14" (1/1) ... [2019-09-10 02:50:14,115 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:14" (1/1) ... [2019-09-10 02:50:14,124 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:14" (1/1) ... [2019-09-10 02:50:14,142 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 02:50:14,143 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 02:50:14,143 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 02:50:14,143 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 02:50:14,144 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:14" (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 [2019-09-10 02:50:14,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 02:50:14,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 02:50:14,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-10 02:50:14,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-10 02:50:14,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-10 02:50:14,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-10 02:50:14,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-10 02:50:14,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-10 02:50:14,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-10 02:50:14,238 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-10 02:50:14,239 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-10 02:50:14,239 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-10 02:50:14,240 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-10 02:50:14,241 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 02:50:14,241 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-10 02:50:14,242 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-10 02:50:14,242 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-10 02:50:14,242 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-10 02:50:14,242 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-10 02:50:14,243 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-10 02:50:14,243 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-10 02:50:14,243 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-10 02:50:14,243 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-10 02:50:14,243 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-10 02:50:14,244 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-10 02:50:14,244 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-10 02:50:14,245 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-10 02:50:14,245 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-10 02:50:14,245 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-10 02:50:14,245 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-10 02:50:14,246 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-10 02:50:14,246 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-10 02:50:14,246 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-10 02:50:14,246 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-10 02:50:14,246 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-10 02:50:14,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-10 02:50:14,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-10 02:50:14,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 02:50:14,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 02:50:14,247 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-10 02:50:14,248 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 02:50:14,248 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 02:50:14,249 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 02:50:14,249 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-10 02:50:14,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 02:50:14,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 02:50:14,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 02:50:14,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 02:50:14,250 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-10 02:50:14,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 02:50:14,250 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-10 02:50:14,251 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-10 02:50:14,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 02:50:14,251 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-10 02:50:14,251 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-10 02:50:14,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 02:50:14,252 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-10 02:50:14,252 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-10 02:50:14,252 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-10 02:50:14,252 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-10 02:50:14,252 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-10 02:50:14,252 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-10 02:50:14,253 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-10 02:50:14,253 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-10 02:50:14,253 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-10 02:50:14,254 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-10 02:50:14,254 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-10 02:50:14,254 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-10 02:50:14,254 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-10 02:50:14,254 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 02:50:14,254 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-10 02:50:14,255 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-10 02:50:14,255 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-10 02:50:14,256 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-10 02:50:14,256 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-10 02:50:14,256 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-10 02:50:14,257 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-10 02:50:14,257 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-10 02:50:14,257 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-10 02:50:14,258 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-10 02:50:14,258 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-10 02:50:14,258 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-10 02:50:14,259 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-10 02:50:14,259 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-10 02:50:14,259 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-10 02:50:14,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 02:50:14,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 02:50:14,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 02:50:15,390 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 02:50:15,390 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-10 02:50:15,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:50:15 BoogieIcfgContainer [2019-09-10 02:50:15,392 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 02:50:15,393 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 02:50:15,393 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 02:50:15,396 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 02:50:15,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:50:13" (1/3) ... [2019-09-10 02:50:15,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14b51eb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:50:15, skipping insertion in model container [2019-09-10 02:50:15,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:14" (2/3) ... [2019-09-10 02:50:15,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14b51eb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:50:15, skipping insertion in model container [2019-09-10 02:50:15,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:50:15" (3/3) ... [2019-09-10 02:50:15,400 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product33.cil.c [2019-09-10 02:50:15,410 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 02:50:15,419 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 02:50:15,435 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 02:50:15,456 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 02:50:15,457 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 02:50:15,457 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 02:50:15,457 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 02:50:15,457 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 02:50:15,458 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 02:50:15,458 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 02:50:15,458 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 02:50:15,478 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states. [2019-09-10 02:50:15,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-10 02:50:15,490 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:50:15,491 INFO L399 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] [2019-09-10 02:50:15,494 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:50:15,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:50:15,499 INFO L82 PathProgramCache]: Analyzing trace with hash 1120421974, now seen corresponding path program 1 times [2019-09-10 02:50:15,502 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:50:15,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:15,549 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:50:15,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:15,550 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:50:15,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:50:15,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:50:15,867 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:50:15,867 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-10 02:50:15,870 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:50:15,876 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:50:15,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:50:15,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:50:15,895 INFO L87 Difference]: Start difference. First operand 148 states. Second operand 2 states. [2019-09-10 02:50:15,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:50:15,946 INFO L93 Difference]: Finished difference Result 116 states and 135 transitions. [2019-09-10 02:50:15,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:50:15,948 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-09-10 02:50:15,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:50:15,969 INFO L225 Difference]: With dead ends: 116 [2019-09-10 02:50:15,973 INFO L226 Difference]: Without dead ends: 105 [2019-09-10 02:50:15,977 INFO L628 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 [2019-09-10 02:50:15,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2019-09-10 02:50:16,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2019-09-10 02:50:16,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-09-10 02:50:16,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 123 transitions. [2019-09-10 02:50:16,068 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 123 transitions. Word has length 46 [2019-09-10 02:50:16,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:50:16,069 INFO L475 AbstractCegarLoop]: Abstraction has 105 states and 123 transitions. [2019-09-10 02:50:16,069 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:50:16,069 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 123 transitions. [2019-09-10 02:50:16,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-10 02:50:16,076 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:50:16,076 INFO L399 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] [2019-09-10 02:50:16,077 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:50:16,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:50:16,078 INFO L82 PathProgramCache]: Analyzing trace with hash 1195015831, now seen corresponding path program 1 times [2019-09-10 02:50:16,078 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:50:16,080 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:16,080 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:50:16,080 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:16,080 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:50:16,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:50:16,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:50:16,212 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:50:16,212 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:50:16,212 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:50:16,215 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:50:16,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:50:16,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:50:16,216 INFO L87 Difference]: Start difference. First operand 105 states and 123 transitions. Second operand 3 states. [2019-09-10 02:50:16,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:50:16,239 INFO L93 Difference]: Finished difference Result 96 states and 111 transitions. [2019-09-10 02:50:16,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:50:16,240 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-09-10 02:50:16,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:50:16,243 INFO L225 Difference]: With dead ends: 96 [2019-09-10 02:50:16,244 INFO L226 Difference]: Without dead ends: 96 [2019-09-10 02:50:16,245 INFO L628 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 [2019-09-10 02:50:16,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2019-09-10 02:50:16,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2019-09-10 02:50:16,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2019-09-10 02:50:16,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 111 transitions. [2019-09-10 02:50:16,274 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 111 transitions. Word has length 47 [2019-09-10 02:50:16,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:50:16,274 INFO L475 AbstractCegarLoop]: Abstraction has 96 states and 111 transitions. [2019-09-10 02:50:16,274 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:50:16,275 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 111 transitions. [2019-09-10 02:50:16,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-10 02:50:16,278 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:50:16,278 INFO L399 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] [2019-09-10 02:50:16,279 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:50:16,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:50:16,282 INFO L82 PathProgramCache]: Analyzing trace with hash -234309885, now seen corresponding path program 1 times [2019-09-10 02:50:16,282 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:50:16,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:16,283 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:50:16,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:16,283 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:50:16,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:50:16,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:50:16,423 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:50:16,423 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:50:16,424 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:50:16,424 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:50:16,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:50:16,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:50:16,425 INFO L87 Difference]: Start difference. First operand 96 states and 111 transitions. Second operand 3 states. [2019-09-10 02:50:16,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:50:16,446 INFO L93 Difference]: Finished difference Result 96 states and 110 transitions. [2019-09-10 02:50:16,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:50:16,446 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2019-09-10 02:50:16,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:50:16,448 INFO L225 Difference]: With dead ends: 96 [2019-09-10 02:50:16,448 INFO L226 Difference]: Without dead ends: 96 [2019-09-10 02:50:16,449 INFO L628 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 [2019-09-10 02:50:16,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2019-09-10 02:50:16,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2019-09-10 02:50:16,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2019-09-10 02:50:16,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 110 transitions. [2019-09-10 02:50:16,456 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 110 transitions. Word has length 51 [2019-09-10 02:50:16,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:50:16,457 INFO L475 AbstractCegarLoop]: Abstraction has 96 states and 110 transitions. [2019-09-10 02:50:16,457 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:50:16,457 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 110 transitions. [2019-09-10 02:50:16,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-09-10 02:50:16,459 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:50:16,459 INFO L399 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] [2019-09-10 02:50:16,459 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:50:16,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:50:16,460 INFO L82 PathProgramCache]: Analyzing trace with hash -962632878, now seen corresponding path program 1 times [2019-09-10 02:50:16,460 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:50:16,461 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:16,461 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:50:16,461 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:16,461 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:50:16,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:50:16,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:50:16,596 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:50:16,597 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 02:50:16,597 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:50:16,597 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 02:50:16,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 02:50:16,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 02:50:16,598 INFO L87 Difference]: Start difference. First operand 96 states and 110 transitions. Second operand 5 states. [2019-09-10 02:50:17,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:50:17,110 INFO L93 Difference]: Finished difference Result 179 states and 209 transitions. [2019-09-10 02:50:17,111 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-10 02:50:17,112 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2019-09-10 02:50:17,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:50:17,115 INFO L225 Difference]: With dead ends: 179 [2019-09-10 02:50:17,115 INFO L226 Difference]: Without dead ends: 179 [2019-09-10 02:50:17,115 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-09-10 02:50:17,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2019-09-10 02:50:17,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 161. [2019-09-10 02:50:17,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2019-09-10 02:50:17,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 185 transitions. [2019-09-10 02:50:17,138 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 185 transitions. Word has length 59 [2019-09-10 02:50:17,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:50:17,138 INFO L475 AbstractCegarLoop]: Abstraction has 161 states and 185 transitions. [2019-09-10 02:50:17,139 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 02:50:17,139 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 185 transitions. [2019-09-10 02:50:17,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-09-10 02:50:17,140 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:50:17,141 INFO L399 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] [2019-09-10 02:50:17,141 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:50:17,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:50:17,141 INFO L82 PathProgramCache]: Analyzing trace with hash 869233952, now seen corresponding path program 1 times [2019-09-10 02:50:17,141 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:50:17,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:17,143 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:50:17,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:17,143 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:50:17,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:50:17,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:50:17,299 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:50:17,300 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-10 02:50:17,300 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:50:17,300 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-10 02:50:17,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-10 02:50:17,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-09-10 02:50:17,301 INFO L87 Difference]: Start difference. First operand 161 states and 185 transitions. Second operand 10 states. [2019-09-10 02:50:18,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:50:18,096 INFO L93 Difference]: Finished difference Result 372 states and 448 transitions. [2019-09-10 02:50:18,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-10 02:50:18,097 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 73 [2019-09-10 02:50:18,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:50:18,107 INFO L225 Difference]: With dead ends: 372 [2019-09-10 02:50:18,107 INFO L226 Difference]: Without dead ends: 372 [2019-09-10 02:50:18,108 INFO L628 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 [2019-09-10 02:50:18,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2019-09-10 02:50:18,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 362. [2019-09-10 02:50:18,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 362 states. [2019-09-10 02:50:18,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 432 transitions. [2019-09-10 02:50:18,153 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 432 transitions. Word has length 73 [2019-09-10 02:50:18,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:50:18,154 INFO L475 AbstractCegarLoop]: Abstraction has 362 states and 432 transitions. [2019-09-10 02:50:18,154 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-10 02:50:18,154 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 432 transitions. [2019-09-10 02:50:18,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-09-10 02:50:18,160 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:50:18,161 INFO L399 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:50:18,161 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:50:18,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:50:18,161 INFO L82 PathProgramCache]: Analyzing trace with hash -1180420772, now seen corresponding path program 1 times [2019-09-10 02:50:18,161 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:50:18,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:18,163 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:50:18,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:18,163 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:50:18,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:50:18,308 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-09-10 02:50:18,309 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 02:50:18,309 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 02:50:18,310 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 118 with the following transitions: [2019-09-10 02:50:18,314 INFO L207 CegarAbsIntRunner]: [50], [51], [52], [54], [57], [59], [62], [68], [70], [71], [75], [78], [102], [118], [121], [123], [124], [127], [129], [132], [139], [142], [143], [144], [153], [157], [161], [164], [169], [175], [177], [180], [204], [205], [206], [207], [208], [210], [213], [217], [218], [221], [224], [228], [234], [265], [269], [272], [276], [277], [280], [281], [282], [375], [376], [386], [394], [395], [396], [397], [398], [400], [401], [402], [403], [404], [405], [406], [407], [408], [440], [441], [442], [443], [446], [447], [448], [449], [452], [453], [456], [457], [458], [459], [460], [461], [462], [463], [470], [478], [479], [480] [2019-09-10 02:50:18,375 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 02:50:18,376 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 02:50:18,468 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 02:50:18,471 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. [2019-09-10 02:50:18,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:50:18,477 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 02:50:18,573 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 02:50:18,573 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 02:50:18,578 INFO L420 sIntCurrentIteration]: We unified 116 AI predicates to 116 [2019-09-10 02:50:18,578 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 02:50:18,579 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 02:50:18,580 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 6 [2019-09-10 02:50:18,580 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:50:18,581 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:50:18,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:50:18,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:50:18,582 INFO L87 Difference]: Start difference. First operand 362 states and 432 transitions. Second operand 2 states. [2019-09-10 02:50:18,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:50:18,583 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 02:50:18,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:50:18,583 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 117 [2019-09-10 02:50:18,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:50:18,584 INFO L225 Difference]: With dead ends: 2 [2019-09-10 02:50:18,584 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 02:50:18,585 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:50:18,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 02:50:18,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 02:50:18,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 02:50:18,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 02:50:18,586 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 117 [2019-09-10 02:50:18,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:50:18,587 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 02:50:18,587 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:50:18,587 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 02:50:18,587 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 02:50:18,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:50:18 BoogieIcfgContainer [2019-09-10 02:50:18,593 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 02:50:18,596 INFO L168 Benchmark]: Toolchain (without parser) took 5224.32 ms. Allocated memory was 133.2 MB in the beginning and 261.6 MB in the end (delta: 128.5 MB). Free memory was 88.3 MB in the beginning and 88.6 MB in the end (delta: -306.6 kB). Peak memory consumption was 128.1 MB. Max. memory is 7.1 GB. [2019-09-10 02:50:18,597 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 133.2 MB. Free memory is still 107.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-10 02:50:18,598 INFO L168 Benchmark]: CACSL2BoogieTranslator took 644.29 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 87.9 MB in the beginning and 165.8 MB in the end (delta: -77.9 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2019-09-10 02:50:18,599 INFO L168 Benchmark]: Boogie Preprocessor took 126.10 ms. Allocated memory is still 200.3 MB. Free memory was 165.8 MB in the beginning and 159.2 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 7.1 GB. [2019-09-10 02:50:18,600 INFO L168 Benchmark]: RCFGBuilder took 1248.75 ms. Allocated memory was 200.3 MB in the beginning and 224.9 MB in the end (delta: 24.6 MB). Free memory was 159.2 MB in the beginning and 194.2 MB in the end (delta: -34.9 MB). Peak memory consumption was 87.6 MB. Max. memory is 7.1 GB. [2019-09-10 02:50:18,602 INFO L168 Benchmark]: TraceAbstraction took 3200.46 ms. Allocated memory was 224.9 MB in the beginning and 261.6 MB in the end (delta: 36.7 MB). Free memory was 194.2 MB in the beginning and 88.6 MB in the end (delta: 105.6 MB). Peak memory consumption was 142.3 MB. Max. memory is 7.1 GB. [2019-09-10 02:50:18,606 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 133.2 MB. Free memory is still 107.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 644.29 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 87.9 MB in the beginning and 165.8 MB in the end (delta: -77.9 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 126.10 ms. Allocated memory is still 200.3 MB. Free memory was 165.8 MB in the beginning and 159.2 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1248.75 ms. Allocated memory was 200.3 MB in the beginning and 224.9 MB in the end (delta: 24.6 MB). Free memory was 159.2 MB in the beginning and 194.2 MB in the end (delta: -34.9 MB). Peak memory consumption was 87.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3200.46 ms. Allocated memory was 224.9 MB in the beginning and 261.6 MB in the end (delta: 36.7 MB). Free memory was 194.2 MB in the beginning and 88.6 MB in the end (delta: 105.6 MB). Peak memory consumption was 142.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 869]: 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 37 procedures, 215 locations, 1 error locations. SAFE Result, 3.1s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 1.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 600 SDtfs, 441 SDslu, 924 SDs, 0 SdLazy, 467 SolverSat, 135 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 160 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=362occurred in iteration=5, 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, 0.9310344827586207 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 28 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 393 NumberOfCodeBlocks, 393 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 387 ConstructedInterpolants, 0 QuantifiedInterpolants, 42451 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 26/28 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...