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_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 02:50:14,688 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 02:50:14,690 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 02:50:14,701 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 02:50:14,701 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 02:50:14,702 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 02:50:14,703 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 02:50:14,705 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 02:50:14,707 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 02:50:14,707 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 02:50:14,708 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 02:50:14,709 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 02:50:14,710 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 02:50:14,711 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 02:50:14,712 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 02:50:14,713 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 02:50:14,713 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 02:50:14,714 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 02:50:14,716 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 02:50:14,718 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 02:50:14,719 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 02:50:14,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 02:50:14,721 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 02:50:14,722 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 02:50:14,724 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 02:50:14,724 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 02:50:14,725 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 02:50:14,725 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 02:50:14,726 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 02:50:14,727 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 02:50:14,727 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 02:50:14,728 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 02:50:14,728 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 02:50:14,729 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 02:50:14,730 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 02:50:14,730 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 02:50:14,731 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 02:50:14,731 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 02:50:14,731 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 02:50:14,732 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 02:50:14,733 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 02:50:14,734 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 02:50:14,748 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 02:50:14,748 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 02:50:14,748 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 02:50:14,749 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 02:50:14,749 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 02:50:14,749 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 02:50:14,750 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 02:50:14,750 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 02:50:14,750 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 02:50:14,750 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 02:50:14,751 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 02:50:14,751 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 02:50:14,751 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 02:50:14,751 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 02:50:14,752 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 02:50:14,752 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 02:50:14,752 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 02:50:14,752 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 02:50:14,752 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 02:50:14,753 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 02:50:14,753 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 02:50:14,753 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 02:50:14,753 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 02:50:14,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:50:14,754 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 02:50:14,754 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 02:50:14,754 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 02:50:14,754 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 02:50:14,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 02:50:14,754 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 02:50:14,788 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 02:50:14,800 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 02:50:14,804 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 02:50:14,805 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 02:50:14,806 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 02:50:14,807 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product37.cil.c [2019-09-10 02:50:14,865 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01c4a4481/900f97d88d7e4daba9411fd71077c53e/FLAGd866472fb [2019-09-10 02:50:15,323 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 02:50:15,324 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product37.cil.c [2019-09-10 02:50:15,335 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01c4a4481/900f97d88d7e4daba9411fd71077c53e/FLAGd866472fb [2019-09-10 02:50:15,669 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01c4a4481/900f97d88d7e4daba9411fd71077c53e [2019-09-10 02:50:15,677 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 02:50:15,678 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 02:50:15,679 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 02:50:15,679 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 02:50:15,683 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 02:50:15,684 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:50:15" (1/1) ... [2019-09-10 02:50:15,687 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18312eb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:15, skipping insertion in model container [2019-09-10 02:50:15,687 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:50:15" (1/1) ... [2019-09-10 02:50:15,694 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 02:50:15,754 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 02:50:16,198 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:50:16,217 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 02:50:16,310 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:50:16,346 INFO L192 MainTranslator]: Completed translation [2019-09-10 02:50:16,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:16 WrapperNode [2019-09-10 02:50:16,346 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 02:50:16,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 02:50:16,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 02:50:16,347 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 02:50:16,357 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:16" (1/1) ... [2019-09-10 02:50:16,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:16" (1/1) ... [2019-09-10 02:50:16,377 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:16" (1/1) ... [2019-09-10 02:50:16,377 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:16" (1/1) ... [2019-09-10 02:50:16,408 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:16" (1/1) ... [2019-09-10 02:50:16,424 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:16" (1/1) ... [2019-09-10 02:50:16,429 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:16" (1/1) ... [2019-09-10 02:50:16,435 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 02:50:16,436 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 02:50:16,436 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 02:50:16,436 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 02:50:16,437 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:50:16,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 02:50:16,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 02:50:16,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-10 02:50:16,496 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-10 02:50:16,497 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-10 02:50:16,497 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-10 02:50:16,497 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-10 02:50:16,497 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-10 02:50:16,497 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-10 02:50:16,497 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-10 02:50:16,497 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-10 02:50:16,498 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-10 02:50:16,498 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-10 02:50:16,498 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-10 02:50:16,498 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-10 02:50:16,498 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-10 02:50:16,498 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-10 02:50:16,499 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-10 02:50:16,499 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-10 02:50:16,499 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-10 02:50:16,499 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-10 02:50:16,499 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-10 02:50:16,499 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 02:50:16,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-10 02:50:16,500 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-10 02:50:16,500 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-10 02:50:16,500 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-10 02:50:16,500 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-10 02:50:16,500 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-10 02:50:16,500 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-10 02:50:16,501 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-10 02:50:16,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-10 02:50:16,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-10 02:50:16,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-10 02:50:16,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-10 02:50:16,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-10 02:50:16,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-10 02:50:16,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-10 02:50:16,502 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 02:50:16,502 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 02:50:16,502 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-10 02:50:16,502 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-10 02:50:16,502 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-10 02:50:16,503 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-10 02:50:16,503 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-10 02:50:16,503 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-10 02:50:16,503 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-10 02:50:16,503 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-10 02:50:16,503 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-10 02:50:16,504 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-10 02:50:16,504 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-10 02:50:16,504 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-10 02:50:16,504 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-10 02:50:16,504 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-10 02:50:16,504 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-10 02:50:16,504 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-10 02:50:16,505 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-10 02:50:16,505 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-10 02:50:16,505 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-10 02:50:16,505 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-10 02:50:16,505 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-10 02:50:16,505 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-10 02:50:16,505 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-10 02:50:16,506 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-10 02:50:16,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 02:50:16,506 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-10 02:50:16,506 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-10 02:50:16,506 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-10 02:50:16,506 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 02:50:16,507 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-10 02:50:16,507 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-10 02:50:16,507 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 02:50:16,507 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 02:50:16,507 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 02:50:16,507 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-10 02:50:16,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 02:50:16,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 02:50:16,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 02:50:16,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 02:50:16,508 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-10 02:50:16,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 02:50:16,509 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-10 02:50:16,509 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-10 02:50:16,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 02:50:16,509 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-10 02:50:16,509 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-10 02:50:16,509 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-10 02:50:16,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 02:50:16,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 02:50:16,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 02:50:17,604 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 02:50:17,604 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-10 02:50:17,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:50:17 BoogieIcfgContainer [2019-09-10 02:50:17,606 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 02:50:17,607 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 02:50:17,607 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 02:50:17,610 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 02:50:17,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:50:15" (1/3) ... [2019-09-10 02:50:17,611 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e28af7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:50:17, skipping insertion in model container [2019-09-10 02:50:17,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:16" (2/3) ... [2019-09-10 02:50:17,612 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e28af7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:50:17, skipping insertion in model container [2019-09-10 02:50:17,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:50:17" (3/3) ... [2019-09-10 02:50:17,613 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product37.cil.c [2019-09-10 02:50:17,623 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 02:50:17,631 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 02:50:17,647 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 02:50:17,671 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 02:50:17,671 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 02:50:17,671 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 02:50:17,671 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 02:50:17,672 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 02:50:17,672 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 02:50:17,672 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 02:50:17,672 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 02:50:17,692 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2019-09-10 02:50:17,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-10 02:50:17,705 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:50:17,706 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:50:17,709 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:50:17,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:50:17,714 INFO L82 PathProgramCache]: Analyzing trace with hash 1144967718, now seen corresponding path program 1 times [2019-09-10 02:50:17,717 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:50:17,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:17,763 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:50:17,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:17,764 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:50:17,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:50:17,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:50:17,990 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:50:17,991 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-10 02:50:17,991 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:50:17,997 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:50:18,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:50:18,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:50:18,014 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 2 states. [2019-09-10 02:50:18,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:50:18,043 INFO L93 Difference]: Finished difference Result 137 states and 159 transitions. [2019-09-10 02:50:18,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:50:18,044 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-09-10 02:50:18,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:50:18,057 INFO L225 Difference]: With dead ends: 137 [2019-09-10 02:50:18,057 INFO L226 Difference]: Without dead ends: 126 [2019-09-10 02:50:18,059 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:50:18,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2019-09-10 02:50:18,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2019-09-10 02:50:18,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2019-09-10 02:50:18,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 147 transitions. [2019-09-10 02:50:18,111 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 147 transitions. Word has length 46 [2019-09-10 02:50:18,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:50:18,112 INFO L475 AbstractCegarLoop]: Abstraction has 126 states and 147 transitions. [2019-09-10 02:50:18,112 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:50:18,112 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 147 transitions. [2019-09-10 02:50:18,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-10 02:50:18,116 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:50:18,116 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:50:18,116 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:50:18,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:50:18,117 INFO L82 PathProgramCache]: Analyzing trace with hash 1860542733, now seen corresponding path program 1 times [2019-09-10 02:50:18,117 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:50:18,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:18,118 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:50:18,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:18,118 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:50:18,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:50:18,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:50:18,259 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:50:18,259 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:50:18,259 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:50:18,261 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:50:18,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:50:18,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:50:18,262 INFO L87 Difference]: Start difference. First operand 126 states and 147 transitions. Second operand 3 states. [2019-09-10 02:50:18,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:50:18,280 INFO L93 Difference]: Finished difference Result 117 states and 135 transitions. [2019-09-10 02:50:18,282 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:50:18,283 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-09-10 02:50:18,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:50:18,285 INFO L225 Difference]: With dead ends: 117 [2019-09-10 02:50:18,285 INFO L226 Difference]: Without dead ends: 117 [2019-09-10 02:50:18,286 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:50:18,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2019-09-10 02:50:18,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2019-09-10 02:50:18,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-09-10 02:50:18,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 135 transitions. [2019-09-10 02:50:18,299 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 135 transitions. Word has length 47 [2019-09-10 02:50:18,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:50:18,299 INFO L475 AbstractCegarLoop]: Abstraction has 117 states and 135 transitions. [2019-09-10 02:50:18,299 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:50:18,300 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2019-09-10 02:50:18,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-10 02:50:18,302 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:50:18,302 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:50:18,302 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:50:18,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:50:18,303 INFO L82 PathProgramCache]: Analyzing trace with hash -1943742618, now seen corresponding path program 1 times [2019-09-10 02:50:18,303 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:50:18,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:18,304 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:50:18,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:18,304 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:50:18,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:50:18,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:50:18,416 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:50:18,416 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:50:18,416 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:50:18,418 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:50:18,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:50:18,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:50:18,419 INFO L87 Difference]: Start difference. First operand 117 states and 135 transitions. Second operand 3 states. [2019-09-10 02:50:18,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:50:18,437 INFO L93 Difference]: Finished difference Result 117 states and 134 transitions. [2019-09-10 02:50:18,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:50:18,438 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2019-09-10 02:50:18,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:50:18,441 INFO L225 Difference]: With dead ends: 117 [2019-09-10 02:50:18,442 INFO L226 Difference]: Without dead ends: 117 [2019-09-10 02:50:18,442 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:50:18,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2019-09-10 02:50:18,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2019-09-10 02:50:18,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-09-10 02:50:18,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 134 transitions. [2019-09-10 02:50:18,452 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 134 transitions. Word has length 51 [2019-09-10 02:50:18,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:50:18,452 INFO L475 AbstractCegarLoop]: Abstraction has 117 states and 134 transitions. [2019-09-10 02:50:18,452 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:50:18,453 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 134 transitions. [2019-09-10 02:50:18,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-09-10 02:50:18,455 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:50:18,456 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] [2019-09-10 02:50:18,456 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:50:18,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:50:18,456 INFO L82 PathProgramCache]: Analyzing trace with hash 1699182139, now seen corresponding path program 1 times [2019-09-10 02:50:18,456 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:50:18,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:18,457 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:50:18,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:18,458 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:50:18,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:50:18,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:50:18,604 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:50:18,604 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 02:50:18,604 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:50:18,605 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 02:50:18,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 02:50:18,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 02:50:18,606 INFO L87 Difference]: Start difference. First operand 117 states and 134 transitions. Second operand 5 states. [2019-09-10 02:50:19,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:50:19,350 INFO L93 Difference]: Finished difference Result 211 states and 243 transitions. [2019-09-10 02:50:19,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 02:50:19,351 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2019-09-10 02:50:19,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:50:19,358 INFO L225 Difference]: With dead ends: 211 [2019-09-10 02:50:19,359 INFO L226 Difference]: Without dead ends: 211 [2019-09-10 02:50:19,359 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-09-10 02:50:19,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2019-09-10 02:50:19,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 193. [2019-09-10 02:50:19,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2019-09-10 02:50:19,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 219 transitions. [2019-09-10 02:50:19,403 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 219 transitions. Word has length 64 [2019-09-10 02:50:19,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:50:19,404 INFO L475 AbstractCegarLoop]: Abstraction has 193 states and 219 transitions. [2019-09-10 02:50:19,404 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 02:50:19,404 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 219 transitions. [2019-09-10 02:50:19,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-09-10 02:50:19,406 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:50:19,406 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 02:50:19,407 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:50:19,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:50:19,407 INFO L82 PathProgramCache]: Analyzing trace with hash 906371281, now seen corresponding path program 1 times [2019-09-10 02:50:19,407 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:50:19,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:19,408 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:50:19,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:19,409 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:50:19,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:50:19,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:50:19,549 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:50:19,549 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-10 02:50:19,549 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:50:19,551 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-10 02:50:19,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-10 02:50:19,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-09-10 02:50:19,552 INFO L87 Difference]: Start difference. First operand 193 states and 219 transitions. Second operand 10 states. [2019-09-10 02:50:20,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:50:20,116 INFO L93 Difference]: Finished difference Result 443 states and 528 transitions. [2019-09-10 02:50:20,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-10 02:50:20,117 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 78 [2019-09-10 02:50:20,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:50:20,126 INFO L225 Difference]: With dead ends: 443 [2019-09-10 02:50:20,126 INFO L226 Difference]: Without dead ends: 443 [2019-09-10 02:50:20,127 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-09-10 02:50:20,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2019-09-10 02:50:20,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 433. [2019-09-10 02:50:20,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 433 states. [2019-09-10 02:50:20,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 511 transitions. [2019-09-10 02:50:20,184 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 511 transitions. Word has length 78 [2019-09-10 02:50:20,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:50:20,184 INFO L475 AbstractCegarLoop]: Abstraction has 433 states and 511 transitions. [2019-09-10 02:50:20,185 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-10 02:50:20,185 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 511 transitions. [2019-09-10 02:50:20,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-09-10 02:50:20,190 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:50:20,191 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:50:20,192 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:50:20,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:50:20,193 INFO L82 PathProgramCache]: Analyzing trace with hash -1573115002, now seen corresponding path program 1 times [2019-09-10 02:50:20,193 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:50:20,196 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:20,196 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:50:20,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:20,197 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:50:20,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:50:20,368 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-09-10 02:50:20,368 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 02:50:20,369 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 02:50:20,370 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 131 with the following transitions: [2019-09-10 02:50:20,373 INFO L207 CegarAbsIntRunner]: [50], [51], [52], [54], [57], [59], [62], [68], [70], [71], [75], [78], [102], [118], [121], [123], [124], [127], [129], [132], [139], [142], [144], [153], [157], [161], [164], [167], [169], [175], [177], [180], [204], [205], [206], [208], [211], [215], [216], [217], [218], [221], [224], [228], [234], [261], [262], [265], [269], [270], [273], [275], [278], [288], [291], [295], [296], [299], [300], [301], [324], [326], [327], [328], [329], [394], [395], [405], [413], [414], [415], [416], [417], [419], [420], [421], [422], [423], [424], [425], [426], [427], [459], [460], [461], [462], [465], [466], [467], [468], [471], [472], [475], [476], [477], [478], [479], [480], [481], [482], [487], [488], [489], [490], [497], [499], [500], [505], [506], [507] [2019-09-10 02:50:20,444 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 02:50:20,445 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 02:50:20,529 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 02:50:20,530 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 68 root evaluator evaluations with a maximum evaluation depth of 0. Performed 68 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 126 variables. [2019-09-10 02:50:20,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:50:20,535 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 02:50:20,616 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 02:50:20,617 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 02:50:20,624 INFO L420 sIntCurrentIteration]: We unified 129 AI predicates to 129 [2019-09-10 02:50:20,624 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 02:50:20,625 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 02:50:20,625 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 6 [2019-09-10 02:50:20,625 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:50:20,627 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:50:20,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:50:20,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:50:20,628 INFO L87 Difference]: Start difference. First operand 433 states and 511 transitions. Second operand 2 states. [2019-09-10 02:50:20,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:50:20,628 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 02:50:20,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:50:20,628 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 130 [2019-09-10 02:50:20,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:50:20,629 INFO L225 Difference]: With dead ends: 2 [2019-09-10 02:50:20,629 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 02:50:20,629 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:50:20,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 02:50:20,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 02:50:20,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 02:50:20,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 02:50:20,630 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 130 [2019-09-10 02:50:20,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:50:20,631 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 02:50:20,631 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:50:20,631 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 02:50:20,631 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 02:50:20,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:50:20 BoogieIcfgContainer [2019-09-10 02:50:20,636 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 02:50:20,640 INFO L168 Benchmark]: Toolchain (without parser) took 4959.57 ms. Allocated memory was 134.2 MB in the beginning and 258.5 MB in the end (delta: 124.3 MB). Free memory was 88.6 MB in the beginning and 203.8 MB in the end (delta: -115.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-09-10 02:50:20,641 INFO L168 Benchmark]: CDTParser took 0.23 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 02:50:20,643 INFO L168 Benchmark]: CACSL2BoogieTranslator took 667.35 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 88.2 MB in the beginning and 164.5 MB in the end (delta: -76.3 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. [2019-09-10 02:50:20,644 INFO L168 Benchmark]: Boogie Preprocessor took 88.76 ms. Allocated memory is still 201.3 MB. Free memory was 164.5 MB in the beginning and 160.3 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-10 02:50:20,645 INFO L168 Benchmark]: RCFGBuilder took 1169.82 ms. Allocated memory was 201.3 MB in the beginning and 228.1 MB in the end (delta: 26.7 MB). Free memory was 160.3 MB in the beginning and 194.7 MB in the end (delta: -34.4 MB). Peak memory consumption was 85.5 MB. Max. memory is 7.1 GB. [2019-09-10 02:50:20,647 INFO L168 Benchmark]: TraceAbstraction took 3029.78 ms. Allocated memory was 228.1 MB in the beginning and 258.5 MB in the end (delta: 30.4 MB). Free memory was 194.7 MB in the beginning and 203.8 MB in the end (delta: -9.1 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2019-09-10 02:50:20,658 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 667.35 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 88.2 MB in the beginning and 164.5 MB in the end (delta: -76.3 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.76 ms. Allocated memory is still 201.3 MB. Free memory was 164.5 MB in the beginning and 160.3 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1169.82 ms. Allocated memory was 201.3 MB in the beginning and 228.1 MB in the end (delta: 26.7 MB). Free memory was 160.3 MB in the beginning and 194.7 MB in the end (delta: -34.4 MB). Peak memory consumption was 85.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3029.78 ms. Allocated memory was 228.1 MB in the beginning and 258.5 MB in the end (delta: 30.4 MB). Free memory was 194.7 MB in the beginning and 203.8 MB in the end (delta: -9.1 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 434]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 225 locations, 1 error locations. SAFE Result, 2.9s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 1.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 741 SDtfs, 488 SDslu, 1287 SDs, 0 SdLazy, 548 SolverSat, 139 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 176 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=433occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.1s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 0.9147286821705426 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 28 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 416 NumberOfCodeBlocks, 416 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 410 ConstructedInterpolants, 0 QuantifiedInterpolants, 48632 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 22/24 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...