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_spec1_product42.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 02:47:52,453 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 02:47:52,455 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 02:47:52,467 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 02:47:52,468 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 02:47:52,469 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 02:47:52,470 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 02:47:52,472 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 02:47:52,473 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 02:47:52,474 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 02:47:52,475 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 02:47:52,476 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 02:47:52,477 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 02:47:52,478 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 02:47:52,478 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 02:47:52,480 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 02:47:52,480 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 02:47:52,481 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 02:47:52,483 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 02:47:52,485 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 02:47:52,487 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 02:47:52,488 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 02:47:52,489 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 02:47:52,489 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 02:47:52,492 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 02:47:52,492 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 02:47:52,492 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 02:47:52,493 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 02:47:52,494 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 02:47:52,494 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 02:47:52,495 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 02:47:52,495 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 02:47:52,496 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 02:47:52,497 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 02:47:52,499 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 02:47:52,499 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 02:47:52,500 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 02:47:52,500 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 02:47:52,500 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 02:47:52,503 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 02:47:52,504 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 02:47:52,505 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 02:47:52,532 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 02:47:52,532 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 02:47:52,533 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 02:47:52,533 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 02:47:52,534 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 02:47:52,535 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 02:47:52,535 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 02:47:52,535 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 02:47:52,535 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 02:47:52,535 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 02:47:52,538 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 02:47:52,538 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 02:47:52,538 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 02:47:52,539 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 02:47:52,539 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 02:47:52,539 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 02:47:52,539 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 02:47:52,539 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 02:47:52,540 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 02:47:52,540 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 02:47:52,540 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 02:47:52,540 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 02:47:52,541 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 02:47:52,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:47:52,541 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 02:47:52,541 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 02:47:52,542 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 02:47:52,542 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 02:47:52,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 02:47:52,542 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 02:47:52,600 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 02:47:52,614 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 02:47:52,617 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 02:47:52,619 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 02:47:52,619 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 02:47:52,620 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product42.cil.c [2019-09-10 02:47:52,679 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cba563a79/6d0089c204164643998dbe4f5c74bcb0/FLAG93943db03 [2019-09-10 02:47:53,169 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 02:47:53,170 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product42.cil.c [2019-09-10 02:47:53,189 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cba563a79/6d0089c204164643998dbe4f5c74bcb0/FLAG93943db03 [2019-09-10 02:47:53,487 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cba563a79/6d0089c204164643998dbe4f5c74bcb0 [2019-09-10 02:47:53,496 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 02:47:53,497 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 02:47:53,498 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 02:47:53,498 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 02:47:53,501 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 02:47:53,501 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:47:53" (1/1) ... [2019-09-10 02:47:53,504 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e6e9d88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:53, skipping insertion in model container [2019-09-10 02:47:53,504 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:47:53" (1/1) ... [2019-09-10 02:47:53,509 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 02:47:53,569 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 02:47:54,055 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:47:54,069 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 02:47:54,150 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:47:54,191 INFO L192 MainTranslator]: Completed translation [2019-09-10 02:47:54,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:54 WrapperNode [2019-09-10 02:47:54,193 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 02:47:54,194 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 02:47:54,194 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 02:47:54,194 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 02:47:54,208 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:54" (1/1) ... [2019-09-10 02:47:54,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:54" (1/1) ... [2019-09-10 02:47:54,244 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:54" (1/1) ... [2019-09-10 02:47:54,245 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:54" (1/1) ... [2019-09-10 02:47:54,280 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:54" (1/1) ... [2019-09-10 02:47:54,299 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:54" (1/1) ... [2019-09-10 02:47:54,309 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:54" (1/1) ... [2019-09-10 02:47:54,325 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 02:47:54,326 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 02:47:54,326 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 02:47:54,326 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 02:47:54,330 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:54" (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 02:47:54,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 02:47:54,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 02:47:54,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-10 02:47:54,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-10 02:47:54,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-10 02:47:54,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-10 02:47:54,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-10 02:47:54,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-10 02:47:54,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-10 02:47:54,411 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-10 02:47:54,411 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-10 02:47:54,412 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-10 02:47:54,412 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-10 02:47:54,413 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-10 02:47:54,413 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-10 02:47:54,414 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-10 02:47:54,414 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-10 02:47:54,414 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-10 02:47:54,414 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-10 02:47:54,415 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-10 02:47:54,415 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-09-10 02:47:54,415 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-10 02:47:54,415 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-10 02:47:54,415 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-10 02:47:54,415 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-10 02:47:54,416 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-10 02:47:54,417 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-10 02:47:54,417 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-10 02:47:54,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-10 02:47:54,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-10 02:47:54,418 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-10 02:47:54,418 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-10 02:47:54,418 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-10 02:47:54,418 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-10 02:47:54,418 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-10 02:47:54,418 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-10 02:47:54,419 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-10 02:47:54,419 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-10 02:47:54,419 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 02:47:54,419 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 02:47:54,419 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 02:47:54,420 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-10 02:47:54,420 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 02:47:54,420 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 02:47:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 02:47:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-10 02:47:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 02:47:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 02:47:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 02:47:54,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 02:47:54,422 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-10 02:47:54,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 02:47:54,422 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-10 02:47:54,422 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-10 02:47:54,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 02:47:54,423 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-10 02:47:54,423 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-10 02:47:54,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 02:47:54,423 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-10 02:47:54,423 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-10 02:47:54,423 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-10 02:47:54,424 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-10 02:47:54,424 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-10 02:47:54,424 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-10 02:47:54,424 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-10 02:47:54,425 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-10 02:47:54,425 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-10 02:47:54,425 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-10 02:47:54,425 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-10 02:47:54,425 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-10 02:47:54,426 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-10 02:47:54,426 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-10 02:47:54,426 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-10 02:47:54,427 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-10 02:47:54,427 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-10 02:47:54,427 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-10 02:47:54,427 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-10 02:47:54,427 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-10 02:47:54,428 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-09-10 02:47:54,428 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-10 02:47:54,429 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-10 02:47:54,429 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-10 02:47:54,429 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-10 02:47:54,429 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-10 02:47:54,429 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-10 02:47:54,430 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-10 02:47:54,431 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-10 02:47:54,431 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-10 02:47:54,432 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 02:47:54,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 02:47:54,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 02:47:54,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 02:47:55,581 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 02:47:55,581 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-10 02:47:55,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:47:55 BoogieIcfgContainer [2019-09-10 02:47:55,583 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 02:47:55,584 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 02:47:55,584 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 02:47:55,587 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 02:47:55,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:47:53" (1/3) ... [2019-09-10 02:47:55,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f84ba6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:47:55, skipping insertion in model container [2019-09-10 02:47:55,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:54" (2/3) ... [2019-09-10 02:47:55,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f84ba6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:47:55, skipping insertion in model container [2019-09-10 02:47:55,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:47:55" (3/3) ... [2019-09-10 02:47:55,592 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product42.cil.c [2019-09-10 02:47:55,602 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 02:47:55,611 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 02:47:55,628 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 02:47:55,653 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 02:47:55,653 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 02:47:55,653 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 02:47:55,653 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 02:47:55,654 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 02:47:55,654 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 02:47:55,654 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 02:47:55,654 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 02:47:55,672 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states. [2019-09-10 02:47:55,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-10 02:47:55,685 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:47:55,686 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 02:47:55,689 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:47:55,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:47:55,695 INFO L82 PathProgramCache]: Analyzing trace with hash -1542772809, now seen corresponding path program 1 times [2019-09-10 02:47:55,697 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:47:55,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:55,746 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:47:55,746 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:55,746 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:47:55,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:47:56,049 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 02:47:56,051 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:47:56,052 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-10 02:47:56,052 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:47:56,058 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:47:56,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:47:56,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:47:56,076 INFO L87 Difference]: Start difference. First operand 164 states. Second operand 2 states. [2019-09-10 02:47:56,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:47:56,113 INFO L93 Difference]: Finished difference Result 132 states and 153 transitions. [2019-09-10 02:47:56,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:47:56,115 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-09-10 02:47:56,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:47:56,127 INFO L225 Difference]: With dead ends: 132 [2019-09-10 02:47:56,127 INFO L226 Difference]: Without dead ends: 121 [2019-09-10 02:47:56,129 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 02:47:56,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2019-09-10 02:47:56,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2019-09-10 02:47:56,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2019-09-10 02:47:56,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 141 transitions. [2019-09-10 02:47:56,186 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 141 transitions. Word has length 46 [2019-09-10 02:47:56,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:47:56,186 INFO L475 AbstractCegarLoop]: Abstraction has 121 states and 141 transitions. [2019-09-10 02:47:56,186 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:47:56,186 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 141 transitions. [2019-09-10 02:47:56,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-10 02:47:56,190 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:47:56,190 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 02:47:56,190 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:47:56,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:47:56,191 INFO L82 PathProgramCache]: Analyzing trace with hash 1355296267, now seen corresponding path program 1 times [2019-09-10 02:47:56,191 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:47:56,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:56,192 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:47:56,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:56,192 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:47:56,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:47:56,306 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 02:47:56,307 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:47:56,308 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:47:56,308 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:47:56,311 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:47:56,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:47:56,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:47:56,312 INFO L87 Difference]: Start difference. First operand 121 states and 141 transitions. Second operand 3 states. [2019-09-10 02:47:56,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:47:56,337 INFO L93 Difference]: Finished difference Result 112 states and 129 transitions. [2019-09-10 02:47:56,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:47:56,340 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-09-10 02:47:56,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:47:56,345 INFO L225 Difference]: With dead ends: 112 [2019-09-10 02:47:56,346 INFO L226 Difference]: Without dead ends: 112 [2019-09-10 02:47:56,346 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 02:47:56,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2019-09-10 02:47:56,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2019-09-10 02:47:56,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2019-09-10 02:47:56,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 129 transitions. [2019-09-10 02:47:56,370 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 129 transitions. Word has length 47 [2019-09-10 02:47:56,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:47:56,371 INFO L475 AbstractCegarLoop]: Abstraction has 112 states and 129 transitions. [2019-09-10 02:47:56,371 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:47:56,371 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 129 transitions. [2019-09-10 02:47:56,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-10 02:47:56,378 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:47:56,378 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] [2019-09-10 02:47:56,379 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:47:56,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:47:56,381 INFO L82 PathProgramCache]: Analyzing trace with hash 604849678, now seen corresponding path program 1 times [2019-09-10 02:47:56,382 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:47:56,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:56,383 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:47:56,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:56,383 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:47:56,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:47:56,528 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 02:47:56,528 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:47:56,528 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 02:47:56,529 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:47:56,529 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 02:47:56,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 02:47:56,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-10 02:47:56,530 INFO L87 Difference]: Start difference. First operand 112 states and 129 transitions. Second operand 7 states. [2019-09-10 02:47:56,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:47:56,907 INFO L93 Difference]: Finished difference Result 112 states and 128 transitions. [2019-09-10 02:47:56,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-10 02:47:56,907 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-09-10 02:47:56,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:47:56,909 INFO L225 Difference]: With dead ends: 112 [2019-09-10 02:47:56,909 INFO L226 Difference]: Without dead ends: 112 [2019-09-10 02:47:56,910 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-09-10 02:47:56,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2019-09-10 02:47:56,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2019-09-10 02:47:56,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2019-09-10 02:47:56,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 128 transitions. [2019-09-10 02:47:56,919 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 128 transitions. Word has length 52 [2019-09-10 02:47:56,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:47:56,919 INFO L475 AbstractCegarLoop]: Abstraction has 112 states and 128 transitions. [2019-09-10 02:47:56,919 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 02:47:56,919 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 128 transitions. [2019-09-10 02:47:56,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-09-10 02:47:56,921 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:47:56,921 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] [2019-09-10 02:47:56,921 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:47:56,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:47:56,922 INFO L82 PathProgramCache]: Analyzing trace with hash 2012335283, now seen corresponding path program 1 times [2019-09-10 02:47:56,922 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:47:56,923 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:56,923 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:47:56,923 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:56,924 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:47:56,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:47:57,049 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 02:47:57,050 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:47:57,051 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 02:47:57,051 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:47:57,052 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 02:47:57,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 02:47:57,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 02:47:57,053 INFO L87 Difference]: Start difference. First operand 112 states and 128 transitions. Second operand 5 states. [2019-09-10 02:47:57,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:47:57,524 INFO L93 Difference]: Finished difference Result 202 states and 235 transitions. [2019-09-10 02:47:57,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-10 02:47:57,525 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2019-09-10 02:47:57,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:47:57,530 INFO L225 Difference]: With dead ends: 202 [2019-09-10 02:47:57,530 INFO L226 Difference]: Without dead ends: 202 [2019-09-10 02:47:57,531 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 02:47:57,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2019-09-10 02:47:57,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 183. [2019-09-10 02:47:57,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2019-09-10 02:47:57,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 209 transitions. [2019-09-10 02:47:57,570 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 209 transitions. Word has length 60 [2019-09-10 02:47:57,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:47:57,571 INFO L475 AbstractCegarLoop]: Abstraction has 183 states and 209 transitions. [2019-09-10 02:47:57,571 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 02:47:57,571 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 209 transitions. [2019-09-10 02:47:57,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-09-10 02:47:57,573 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:47:57,573 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, 1] [2019-09-10 02:47:57,573 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:47:57,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:47:57,574 INFO L82 PathProgramCache]: Analyzing trace with hash 471487289, now seen corresponding path program 1 times [2019-09-10 02:47:57,578 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:47:57,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:57,581 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:47:57,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:57,581 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:47:57,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:47:57,696 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 02:47:57,696 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:47:57,697 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 02:47:57,697 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:47:57,697 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 02:47:57,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 02:47:57,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 02:47:57,698 INFO L87 Difference]: Start difference. First operand 183 states and 209 transitions. Second operand 6 states. [2019-09-10 02:47:57,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:47:57,886 INFO L93 Difference]: Finished difference Result 327 states and 374 transitions. [2019-09-10 02:47:57,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-10 02:47:57,886 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 74 [2019-09-10 02:47:57,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:47:57,891 INFO L225 Difference]: With dead ends: 327 [2019-09-10 02:47:57,892 INFO L226 Difference]: Without dead ends: 327 [2019-09-10 02:47:57,893 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-10 02:47:57,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2019-09-10 02:47:57,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 321. [2019-09-10 02:47:57,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2019-09-10 02:47:57,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 368 transitions. [2019-09-10 02:47:57,942 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 368 transitions. Word has length 74 [2019-09-10 02:47:57,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:47:57,943 INFO L475 AbstractCegarLoop]: Abstraction has 321 states and 368 transitions. [2019-09-10 02:47:57,943 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 02:47:57,944 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 368 transitions. [2019-09-10 02:47:57,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-09-10 02:47:57,945 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:47:57,945 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, 1, 1, 1, 1, 1] [2019-09-10 02:47:57,945 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:47:57,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:47:57,946 INFO L82 PathProgramCache]: Analyzing trace with hash -968585995, now seen corresponding path program 1 times [2019-09-10 02:47:57,946 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:47:57,947 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:57,947 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:47:57,947 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:57,947 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:47:57,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:47:58,092 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 02:47:58,092 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:47:58,092 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 02:47:58,092 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:47:58,093 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 02:47:58,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 02:47:58,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-10 02:47:58,094 INFO L87 Difference]: Start difference. First operand 321 states and 368 transitions. Second operand 7 states. [2019-09-10 02:47:58,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:47:58,740 INFO L93 Difference]: Finished difference Result 353 states and 418 transitions. [2019-09-10 02:47:58,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-10 02:47:58,740 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 78 [2019-09-10 02:47:58,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:47:58,743 INFO L225 Difference]: With dead ends: 353 [2019-09-10 02:47:58,743 INFO L226 Difference]: Without dead ends: 353 [2019-09-10 02:47:58,744 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-09-10 02:47:58,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2019-09-10 02:47:58,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 321. [2019-09-10 02:47:58,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2019-09-10 02:47:58,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 367 transitions. [2019-09-10 02:47:58,760 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 367 transitions. Word has length 78 [2019-09-10 02:47:58,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:47:58,760 INFO L475 AbstractCegarLoop]: Abstraction has 321 states and 367 transitions. [2019-09-10 02:47:58,760 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 02:47:58,761 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 367 transitions. [2019-09-10 02:47:58,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-09-10 02:47:58,762 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:47:58,762 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:47:58,763 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:47:58,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:47:58,763 INFO L82 PathProgramCache]: Analyzing trace with hash 662445521, now seen corresponding path program 1 times [2019-09-10 02:47:58,763 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:47:58,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:58,764 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:47:58,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:58,765 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:47:58,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:47:58,835 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-10 02:47:58,836 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:47:58,836 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 02:47:58,836 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:47:58,837 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 02:47:58,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 02:47:58,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 02:47:58,837 INFO L87 Difference]: Start difference. First operand 321 states and 367 transitions. Second operand 6 states. [2019-09-10 02:47:58,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:47:58,864 INFO L93 Difference]: Finished difference Result 335 states and 381 transitions. [2019-09-10 02:47:58,865 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-10 02:47:58,866 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 94 [2019-09-10 02:47:58,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:47:58,868 INFO L225 Difference]: With dead ends: 335 [2019-09-10 02:47:58,868 INFO L226 Difference]: Without dead ends: 335 [2019-09-10 02:47:58,869 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-10 02:47:58,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2019-09-10 02:47:58,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 331. [2019-09-10 02:47:58,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 331 states. [2019-09-10 02:47:58,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 377 transitions. [2019-09-10 02:47:58,881 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 377 transitions. Word has length 94 [2019-09-10 02:47:58,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:47:58,882 INFO L475 AbstractCegarLoop]: Abstraction has 331 states and 377 transitions. [2019-09-10 02:47:58,882 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 02:47:58,882 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 377 transitions. [2019-09-10 02:47:58,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-09-10 02:47:58,883 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:47:58,884 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:47:58,884 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:47:58,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:47:58,884 INFO L82 PathProgramCache]: Analyzing trace with hash -234947757, now seen corresponding path program 1 times [2019-09-10 02:47:58,885 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:47:58,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:58,886 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:47:58,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:58,886 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:47:58,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:47:58,965 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-10 02:47:58,966 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:47:58,966 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-10 02:47:58,966 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:47:58,967 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-10 02:47:58,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-10 02:47:58,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-10 02:47:58,967 INFO L87 Difference]: Start difference. First operand 331 states and 377 transitions. Second operand 8 states. [2019-09-10 02:47:59,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:47:59,001 INFO L93 Difference]: Finished difference Result 345 states and 391 transitions. [2019-09-10 02:47:59,002 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-10 02:47:59,002 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 94 [2019-09-10 02:47:59,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:47:59,004 INFO L225 Difference]: With dead ends: 345 [2019-09-10 02:47:59,005 INFO L226 Difference]: Without dead ends: 345 [2019-09-10 02:47:59,005 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-10 02:47:59,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2019-09-10 02:47:59,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 339. [2019-09-10 02:47:59,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 339 states. [2019-09-10 02:47:59,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 385 transitions. [2019-09-10 02:47:59,018 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 385 transitions. Word has length 94 [2019-09-10 02:47:59,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:47:59,018 INFO L475 AbstractCegarLoop]: Abstraction has 339 states and 385 transitions. [2019-09-10 02:47:59,018 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-10 02:47:59,018 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 385 transitions. [2019-09-10 02:47:59,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-09-10 02:47:59,020 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:47:59,020 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:47:59,020 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:47:59,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:47:59,021 INFO L82 PathProgramCache]: Analyzing trace with hash 1735991700, now seen corresponding path program 1 times [2019-09-10 02:47:59,021 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:47:59,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:59,022 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:47:59,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:59,022 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:47:59,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:47:59,145 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-10 02:47:59,145 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:47:59,145 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-10 02:47:59,146 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:47:59,146 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-10 02:47:59,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-10 02:47:59,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-10 02:47:59,147 INFO L87 Difference]: Start difference. First operand 339 states and 385 transitions. Second operand 4 states. [2019-09-10 02:47:59,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:47:59,379 INFO L93 Difference]: Finished difference Result 684 states and 811 transitions. [2019-09-10 02:47:59,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-10 02:47:59,380 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 94 [2019-09-10 02:47:59,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:47:59,384 INFO L225 Difference]: With dead ends: 684 [2019-09-10 02:47:59,385 INFO L226 Difference]: Without dead ends: 684 [2019-09-10 02:47:59,385 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-10 02:47:59,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2019-09-10 02:47:59,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 669. [2019-09-10 02:47:59,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 669 states. [2019-09-10 02:47:59,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 779 transitions. [2019-09-10 02:47:59,417 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 779 transitions. Word has length 94 [2019-09-10 02:47:59,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:47:59,417 INFO L475 AbstractCegarLoop]: Abstraction has 669 states and 779 transitions. [2019-09-10 02:47:59,417 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-10 02:47:59,418 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 779 transitions. [2019-09-10 02:47:59,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-09-10 02:47:59,419 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:47:59,420 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:47:59,420 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:47:59,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:47:59,420 INFO L82 PathProgramCache]: Analyzing trace with hash 1966005102, now seen corresponding path program 1 times [2019-09-10 02:47:59,420 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:47:59,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:59,421 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:47:59,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:59,422 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:47:59,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:47:59,595 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-10 02:47:59,595 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 02:47:59,595 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 02:47:59,597 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 99 with the following transitions: [2019-09-10 02:47:59,599 INFO L207 CegarAbsIntRunner]: [50], [51], [52], [56], [59], [83], [99], [103], [104], [105], [108], [110], [113], [123], [125], [134], [138], [142], [145], [150], [153], [158], [164], [167], [186], [188], [193], [196], [199], [201], [206], [208], [209], [210], [211], [217], [221], [265], [269], [270], [273], [274], [275], [298], [300], [301], [319], [320], [370], [371], [378], [380], [381], [385], [387], [390], [392], [395], [408], [409], [410], [411], [412], [413], [414], [415], [416], [448], [449], [450], [451], [456], [457], [458], [459], [462], [466], [467], [468], [469], [470], [471], [474], [475], [476], [484], [486], [487], [492], [493], [494], [496], [497], [498], [499], [500] [2019-09-10 02:47:59,668 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 02:47:59,668 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 02:47:59,760 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 02:47:59,762 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 02:47:59,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:47:59,768 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 02:47:59,837 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 02:47:59,838 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 02:47:59,847 INFO L420 sIntCurrentIteration]: We unified 97 AI predicates to 97 [2019-09-10 02:47:59,847 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 02:47:59,848 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 02:47:59,848 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [13] total 13 [2019-09-10 02:47:59,849 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:47:59,849 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:47:59,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:47:59,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:47:59,850 INFO L87 Difference]: Start difference. First operand 669 states and 779 transitions. Second operand 2 states. [2019-09-10 02:47:59,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:47:59,851 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 02:47:59,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:47:59,851 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 98 [2019-09-10 02:47:59,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:47:59,852 INFO L225 Difference]: With dead ends: 2 [2019-09-10 02:47:59,852 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 02:47:59,853 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 97 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 02:47:59,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 02:47:59,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 02:47:59,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 02:47:59,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 02:47:59,855 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 98 [2019-09-10 02:47:59,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:47:59,855 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 02:47:59,855 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:47:59,856 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 02:47:59,856 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 02:47:59,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:47:59 BoogieIcfgContainer [2019-09-10 02:47:59,863 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 02:47:59,867 INFO L168 Benchmark]: Toolchain (without parser) took 6367.94 ms. Allocated memory was 134.2 MB in the beginning and 316.7 MB in the end (delta: 182.5 MB). Free memory was 90.0 MB in the beginning and 193.1 MB in the end (delta: -103.0 MB). Peak memory consumption was 79.4 MB. Max. memory is 7.1 GB. [2019-09-10 02:47:59,868 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 134.2 MB. Free memory was 108.7 MB in the beginning and 108.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 02:47:59,871 INFO L168 Benchmark]: CACSL2BoogieTranslator took 695.12 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 89.8 MB in the beginning and 164.2 MB in the end (delta: -74.4 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. [2019-09-10 02:47:59,872 INFO L168 Benchmark]: Boogie Preprocessor took 132.10 ms. Allocated memory is still 201.3 MB. Free memory was 164.2 MB in the beginning and 160.4 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-10 02:47:59,877 INFO L168 Benchmark]: RCFGBuilder took 1257.18 ms. Allocated memory was 201.3 MB in the beginning and 228.1 MB in the end (delta: 26.7 MB). Free memory was 159.8 MB in the beginning and 193.3 MB in the end (delta: -33.5 MB). Peak memory consumption was 85.0 MB. Max. memory is 7.1 GB. [2019-09-10 02:47:59,878 INFO L168 Benchmark]: TraceAbstraction took 4279.48 ms. Allocated memory was 228.1 MB in the beginning and 316.7 MB in the end (delta: 88.6 MB). Free memory was 192.0 MB in the beginning and 193.1 MB in the end (delta: -1.1 MB). Peak memory consumption was 87.5 MB. Max. memory is 7.1 GB. [2019-09-10 02:47:59,889 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 134.2 MB. Free memory was 108.7 MB in the beginning and 108.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 695.12 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 89.8 MB in the beginning and 164.2 MB in the end (delta: -74.4 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 132.10 ms. Allocated memory is still 201.3 MB. Free memory was 164.2 MB in the beginning and 160.4 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1257.18 ms. Allocated memory was 201.3 MB in the beginning and 228.1 MB in the end (delta: 26.7 MB). Free memory was 159.8 MB in the beginning and 193.3 MB in the end (delta: -33.5 MB). Peak memory consumption was 85.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4279.48 ms. Allocated memory was 228.1 MB in the beginning and 316.7 MB in the end (delta: 88.6 MB). Free memory was 192.0 MB in the beginning and 193.1 MB in the end (delta: -1.1 MB). Peak memory consumption was 87.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 764]: 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 39 procedures, 226 locations, 1 error locations. SAFE Result, 4.2s OverallTime, 10 OverallIterations, 2 TraceHistogramMax, 2.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1276 SDtfs, 697 SDslu, 2598 SDs, 0 SdLazy, 938 SolverSat, 210 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 184 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=669occurred in iteration=9, 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, 1.1134020618556701 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 82 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 737 NumberOfCodeBlocks, 737 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 727 ConstructedInterpolants, 0 QuantifiedInterpolants, 92491 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 10/12 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...