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_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:58:22,534 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:58:22,536 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:58:22,549 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:58:22,549 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:58:22,550 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:58:22,552 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:58:22,554 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:58:22,556 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:58:22,557 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:58:22,558 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:58:22,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:58:22,559 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:58:22,560 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:58:22,561 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:58:22,562 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:58:22,563 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:58:22,564 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:58:22,566 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:58:22,567 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:58:22,569 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:58:22,570 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:58:22,571 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:58:22,572 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:58:22,574 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:58:22,574 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:58:22,574 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:58:22,575 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:58:22,576 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:58:22,578 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:58:22,578 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:58:22,580 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:58:22,582 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:58:22,582 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:58:22,583 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:58:22,584 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:58:22,584 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:58:22,585 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:58:22,585 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:58:22,586 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:58:22,587 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:58:22,587 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-10-03 02:58:22,603 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:58:22,603 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:58:22,603 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:58:22,604 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:58:22,604 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:58:22,605 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:58:22,605 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:58:22,605 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:58:22,605 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:58:22,605 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:58:22,606 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:58:22,606 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:58:22,607 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:58:22,607 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:58:22,607 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:58:22,607 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:58:22,607 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:58:22,608 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:58:22,608 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:58:22,608 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:58:22,608 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:58:22,608 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:58:22,609 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:58:22,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:58:22,609 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:58:22,609 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:58:22,610 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:58:22,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:58:22,610 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:58:22,610 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:58:22,639 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:58:22,652 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:58:22,656 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:58:22,657 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:58:22,658 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:58:22,658 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product23.cil.c [2019-10-03 02:58:22,728 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74a6fcc84/09c8725401434b55a9526db08ff8aee1/FLAG03ff860a4 [2019-10-03 02:58:23,308 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:58:23,308 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product23.cil.c [2019-10-03 02:58:23,334 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74a6fcc84/09c8725401434b55a9526db08ff8aee1/FLAG03ff860a4 [2019-10-03 02:58:23,570 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74a6fcc84/09c8725401434b55a9526db08ff8aee1 [2019-10-03 02:58:23,580 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:58:23,581 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:58:23,583 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:58:23,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:58:23,587 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:58:23,588 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:58:23" (1/1) ... [2019-10-03 02:58:23,591 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c18f7d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:23, skipping insertion in model container [2019-10-03 02:58:23,591 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:58:23" (1/1) ... [2019-10-03 02:58:23,599 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:58:23,653 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:58:24,069 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:58:24,083 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:58:24,232 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:58:24,276 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:58:24,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:24 WrapperNode [2019-10-03 02:58:24,277 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:58:24,277 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:58:24,278 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:58:24,278 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:58:24,293 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:24" (1/1) ... [2019-10-03 02:58:24,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:24" (1/1) ... [2019-10-03 02:58:24,334 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:24" (1/1) ... [2019-10-03 02:58:24,335 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:24" (1/1) ... [2019-10-03 02:58:24,363 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:24" (1/1) ... [2019-10-03 02:58:24,374 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:24" (1/1) ... [2019-10-03 02:58:24,379 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:24" (1/1) ... [2019-10-03 02:58:24,386 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:58:24,387 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:58:24,387 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:58:24,387 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:58:24,388 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:58:24,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:58:24,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:58:24,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:58:24,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:58:24,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:58:24,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:58:24,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:58:24,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:58:24,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:58:24,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:58:24,454 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-03 02:58:24,455 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-03 02:58:24,455 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-03 02:58:24,455 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-03 02:58:24,455 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-03 02:58:24,455 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-03 02:58:24,456 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-03 02:58:24,456 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:58:24,456 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:58:24,456 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:58:24,456 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:58:24,456 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:58:24,457 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-03 02:58:24,457 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-03 02:58:24,457 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-03 02:58:24,457 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-03 02:58:24,457 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-03 02:58:24,457 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-03 02:58:24,457 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-03 02:58:24,458 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-03 02:58:24,458 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-03 02:58:24,458 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-03 02:58:24,458 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-03 02:58:24,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-03 02:58:24,458 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-03 02:58:24,458 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-03 02:58:24,459 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:58:24,459 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-03 02:58:24,459 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:58:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:58:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:58:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:58:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:58:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:58:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:58:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:58:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:58:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:58:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:58:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:58:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:58:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:58:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:58:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:58:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:58:24,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:58:24,462 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:58:24,462 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:58:24,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:58:24,462 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:58:24,462 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-03 02:58:24,462 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-03 02:58:24,463 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-03 02:58:24,463 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-03 02:58:24,463 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-03 02:58:24,463 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-03 02:58:24,463 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-03 02:58:24,463 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:58:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:58:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:58:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:58:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-03 02:58:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-03 02:58:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-03 02:58:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:58:24,465 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-03 02:58:24,465 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-03 02:58:24,465 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-03 02:58:24,465 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-03 02:58:24,465 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-03 02:58:24,465 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-03 02:58:24,466 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-03 02:58:24,466 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-03 02:58:24,466 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-03 02:58:24,466 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-03 02:58:24,466 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-03 02:58:24,466 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:58:24,466 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-03 02:58:24,467 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:58:24,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:58:24,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:58:24,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:58:25,526 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:58:25,527 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-03 02:58:25,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:58:25 BoogieIcfgContainer [2019-10-03 02:58:25,529 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:58:25,530 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:58:25,530 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:58:25,534 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:58:25,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:58:23" (1/3) ... [2019-10-03 02:58:25,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e52f17d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:58:25, skipping insertion in model container [2019-10-03 02:58:25,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:24" (2/3) ... [2019-10-03 02:58:25,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e52f17d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:58:25, skipping insertion in model container [2019-10-03 02:58:25,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:58:25" (3/3) ... [2019-10-03 02:58:25,539 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product23.cil.c [2019-10-03 02:58:25,550 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:58:25,561 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:58:25,578 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:58:25,602 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:58:25,602 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:58:25,602 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:58:25,602 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:58:25,603 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:58:25,603 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:58:25,603 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:58:25,603 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:58:25,622 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2019-10-03 02:58:25,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-03 02:58:25,636 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:58:25,637 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:58:25,640 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:58:25,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:58:25,646 INFO L82 PathProgramCache]: Analyzing trace with hash -635159435, now seen corresponding path program 1 times [2019-10-03 02:58:25,648 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:58:25,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:25,708 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:58:25,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:25,709 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:58:25,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:58:26,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:58:26,036 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:58:26,037 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-03 02:58:26,037 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:58:26,043 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:58:26,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:58:26,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:58:26,062 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 2 states. [2019-10-03 02:58:26,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:58:26,092 INFO L93 Difference]: Finished difference Result 139 states and 163 transitions. [2019-10-03 02:58:26,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:58:26,093 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-03 02:58:26,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:58:26,106 INFO L225 Difference]: With dead ends: 139 [2019-10-03 02:58:26,107 INFO L226 Difference]: Without dead ends: 128 [2019-10-03 02:58:26,109 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:58:26,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2019-10-03 02:58:26,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2019-10-03 02:58:26,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-10-03 02:58:26,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 151 transitions. [2019-10-03 02:58:26,163 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 151 transitions. Word has length 46 [2019-10-03 02:58:26,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:58:26,164 INFO L475 AbstractCegarLoop]: Abstraction has 128 states and 151 transitions. [2019-10-03 02:58:26,164 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:58:26,164 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 151 transitions. [2019-10-03 02:58:26,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-03 02:58:26,168 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:58:26,168 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:58:26,169 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:58:26,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:58:26,169 INFO L82 PathProgramCache]: Analyzing trace with hash -1199676654, now seen corresponding path program 1 times [2019-10-03 02:58:26,169 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:58:26,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:26,172 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:58:26,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:26,173 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:58:26,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:58:26,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:58:26,275 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:58:26,275 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:58:26,275 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:58:26,277 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:58:26,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:58:26,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:58:26,278 INFO L87 Difference]: Start difference. First operand 128 states and 151 transitions. Second operand 3 states. [2019-10-03 02:58:26,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:58:26,294 INFO L93 Difference]: Finished difference Result 119 states and 139 transitions. [2019-10-03 02:58:26,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:58:26,295 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-03 02:58:26,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:58:26,298 INFO L225 Difference]: With dead ends: 119 [2019-10-03 02:58:26,298 INFO L226 Difference]: Without dead ends: 119 [2019-10-03 02:58:26,302 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:58:26,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2019-10-03 02:58:26,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2019-10-03 02:58:26,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-10-03 02:58:26,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 139 transitions. [2019-10-03 02:58:26,320 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 139 transitions. Word has length 47 [2019-10-03 02:58:26,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:58:26,320 INFO L475 AbstractCegarLoop]: Abstraction has 119 states and 139 transitions. [2019-10-03 02:58:26,320 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:58:26,320 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 139 transitions. [2019-10-03 02:58:26,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-03 02:58:26,325 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:58:26,325 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:58:26,325 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:58:26,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:58:26,326 INFO L82 PathProgramCache]: Analyzing trace with hash -1199325015, now seen corresponding path program 1 times [2019-10-03 02:58:26,326 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:58:26,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:26,330 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:58:26,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:26,330 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:58:26,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:58:26,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:58:26,538 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:58:26,538 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-03 02:58:26,539 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:58:26,539 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-03 02:58:26,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-03 02:58:26,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-03 02:58:26,540 INFO L87 Difference]: Start difference. First operand 119 states and 139 transitions. Second operand 7 states. [2019-10-03 02:58:27,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:58:27,016 INFO L93 Difference]: Finished difference Result 264 states and 316 transitions. [2019-10-03 02:58:27,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-03 02:58:27,017 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-10-03 02:58:27,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:58:27,027 INFO L225 Difference]: With dead ends: 264 [2019-10-03 02:58:27,028 INFO L226 Difference]: Without dead ends: 264 [2019-10-03 02:58:27,031 INFO L640 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 [2019-10-03 02:58:27,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2019-10-03 02:58:27,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 256. [2019-10-03 02:58:27,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2019-10-03 02:58:27,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 310 transitions. [2019-10-03 02:58:27,096 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 310 transitions. Word has length 51 [2019-10-03 02:58:27,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:58:27,096 INFO L475 AbstractCegarLoop]: Abstraction has 256 states and 310 transitions. [2019-10-03 02:58:27,096 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-03 02:58:27,097 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 310 transitions. [2019-10-03 02:58:27,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-03 02:58:27,104 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:58:27,104 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:58:27,104 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:58:27,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:58:27,105 INFO L82 PathProgramCache]: Analyzing trace with hash -274049321, now seen corresponding path program 1 times [2019-10-03 02:58:27,105 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:58:27,110 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:27,111 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:58:27,111 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:27,111 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:58:27,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:58:27,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:58:27,276 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:58:27,276 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-03 02:58:27,276 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:58:27,277 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-03 02:58:27,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-03 02:58:27,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-03 02:58:27,278 INFO L87 Difference]: Start difference. First operand 256 states and 310 transitions. Second operand 10 states. [2019-10-03 02:58:27,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:58:27,859 INFO L93 Difference]: Finished difference Result 672 states and 841 transitions. [2019-10-03 02:58:27,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-03 02:58:27,860 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2019-10-03 02:58:27,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:58:27,867 INFO L225 Difference]: With dead ends: 672 [2019-10-03 02:58:27,867 INFO L226 Difference]: Without dead ends: 672 [2019-10-03 02:58:27,868 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-10-03 02:58:27,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2019-10-03 02:58:27,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 660. [2019-10-03 02:58:27,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 660 states. [2019-10-03 02:58:27,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 820 transitions. [2019-10-03 02:58:27,922 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 820 transitions. Word has length 57 [2019-10-03 02:58:27,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:58:27,922 INFO L475 AbstractCegarLoop]: Abstraction has 660 states and 820 transitions. [2019-10-03 02:58:27,922 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-03 02:58:27,923 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 820 transitions. [2019-10-03 02:58:27,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-03 02:58:27,931 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:58:27,931 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:58:27,932 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:58:27,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:58:27,932 INFO L82 PathProgramCache]: Analyzing trace with hash 2094502109, now seen corresponding path program 1 times [2019-10-03 02:58:27,932 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:58:27,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:27,935 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:58:27,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:27,936 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:58:27,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:58:28,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:58:28,035 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:58:28,035 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-03 02:58:28,035 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:58:28,036 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-03 02:58:28,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-03 02:58:28,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-03 02:58:28,037 INFO L87 Difference]: Start difference. First operand 660 states and 820 transitions. Second operand 4 states. [2019-10-03 02:58:28,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:58:28,181 INFO L93 Difference]: Finished difference Result 426 states and 494 transitions. [2019-10-03 02:58:28,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-03 02:58:28,183 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2019-10-03 02:58:28,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:58:28,186 INFO L225 Difference]: With dead ends: 426 [2019-10-03 02:58:28,187 INFO L226 Difference]: Without dead ends: 426 [2019-10-03 02:58:28,187 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-03 02:58:28,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2019-10-03 02:58:28,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 414. [2019-10-03 02:58:28,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 414 states. [2019-10-03 02:58:28,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 476 transitions. [2019-10-03 02:58:28,218 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 476 transitions. Word has length 61 [2019-10-03 02:58:28,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:58:28,219 INFO L475 AbstractCegarLoop]: Abstraction has 414 states and 476 transitions. [2019-10-03 02:58:28,219 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-03 02:58:28,219 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 476 transitions. [2019-10-03 02:58:28,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-03 02:58:28,222 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:58:28,223 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:58:28,223 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:58:28,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:58:28,223 INFO L82 PathProgramCache]: Analyzing trace with hash 1427524119, now seen corresponding path program 1 times [2019-10-03 02:58:28,223 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:58:28,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:28,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:58:28,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:28,227 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:58:28,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:58:28,402 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-03 02:58:28,402 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:58:28,403 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:58:28,404 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 89 with the following transitions: [2019-10-03 02:58:28,407 INFO L207 CegarAbsIntRunner]: [50], [51], [52], [54], [57], [59], [62], [68], [70], [71], [75], [78], [107], [109], [110], [122], [158], [167], [171], [175], [178], [183], [189], [191], [194], [196], [199], [223], [224], [232], [239], [242], [278], [282], [283], [305], [306], [307], [400], [401], [411], [419], [420], [421], [422], [423], [425], [426], [427], [428], [429], [430], [431], [432], [433], [477], [478], [481], [482], [483], [484], [491], [492], [507], [515], [516], [517] [2019-10-03 02:58:28,459 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 02:58:28,459 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 02:58:28,527 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 02:58:28,529 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 68 root evaluator evaluations with a maximum evaluation depth of 0. Performed 68 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 126 variables. [2019-10-03 02:58:28,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:58:28,534 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 02:58:28,573 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 02:58:28,573 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 02:58:28,577 INFO L420 sIntCurrentIteration]: We unified 87 AI predicates to 87 [2019-10-03 02:58:28,577 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 02:58:28,578 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:58:28,578 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 7 [2019-10-03 02:58:28,578 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:58:28,579 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:58:28,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:58:28,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:58:28,580 INFO L87 Difference]: Start difference. First operand 414 states and 476 transitions. Second operand 2 states. [2019-10-03 02:58:28,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:58:28,580 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 02:58:28,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:58:28,581 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 88 [2019-10-03 02:58:28,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:58:28,581 INFO L225 Difference]: With dead ends: 2 [2019-10-03 02:58:28,581 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:58:28,582 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:58:28,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:58:28,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:58:28,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:58:28,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:58:28,583 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2019-10-03 02:58:28,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:58:28,583 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:58:28,583 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:58:28,583 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:58:28,583 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:58:28,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:58:28 BoogieIcfgContainer [2019-10-03 02:58:28,589 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:58:28,592 INFO L168 Benchmark]: Toolchain (without parser) took 5009.39 ms. Allocated memory was 131.6 MB in the beginning and 268.4 MB in the end (delta: 136.8 MB). Free memory was 85.4 MB in the beginning and 219.9 MB in the end (delta: -134.5 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-10-03 02:58:28,593 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 131.6 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 02:58:28,594 INFO L168 Benchmark]: CACSL2BoogieTranslator took 694.63 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 85.2 MB in the beginning and 164.0 MB in the end (delta: -78.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2019-10-03 02:58:28,595 INFO L168 Benchmark]: Boogie Preprocessor took 108.85 ms. Allocated memory is still 199.2 MB. Free memory was 164.0 MB in the beginning and 159.5 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-10-03 02:58:28,596 INFO L168 Benchmark]: RCFGBuilder took 1142.32 ms. Allocated memory was 199.2 MB in the beginning and 220.7 MB in the end (delta: 21.5 MB). Free memory was 159.5 MB in the beginning and 190.1 MB in the end (delta: -30.6 MB). Peak memory consumption was 92.4 MB. Max. memory is 7.1 GB. [2019-10-03 02:58:28,597 INFO L168 Benchmark]: TraceAbstraction took 3059.21 ms. Allocated memory was 220.7 MB in the beginning and 268.4 MB in the end (delta: 47.7 MB). Free memory was 190.1 MB in the beginning and 219.9 MB in the end (delta: -29.8 MB). Peak memory consumption was 17.9 MB. Max. memory is 7.1 GB. [2019-10-03 02:58:28,601 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 131.6 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 694.63 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 85.2 MB in the beginning and 164.0 MB in the end (delta: -78.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 108.85 ms. Allocated memory is still 199.2 MB. Free memory was 164.0 MB in the beginning and 159.5 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1142.32 ms. Allocated memory was 199.2 MB in the beginning and 220.7 MB in the end (delta: 21.5 MB). Free memory was 159.5 MB in the beginning and 190.1 MB in the end (delta: -30.6 MB). Peak memory consumption was 92.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3059.21 ms. Allocated memory was 220.7 MB in the beginning and 268.4 MB in the end (delta: 47.7 MB). Free memory was 190.1 MB in the beginning and 219.9 MB in the end (delta: -29.8 MB). Peak memory consumption was 17.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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, 230 locations, 1 error locations. SAFE Result, 2.9s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 1.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 726 SDtfs, 601 SDslu, 1657 SDs, 0 SdLazy, 568 SolverSat, 129 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 139 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=660occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.1s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 1.0804597701149425 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 32 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 350 NumberOfCodeBlocks, 350 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 344 ConstructedInterpolants, 0 QuantifiedInterpolants, 42856 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 20/23 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...