java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product46.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 17:07:56,016 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 17:07:56,018 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 17:07:56,031 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 17:07:56,031 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 17:07:56,032 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 17:07:56,034 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 17:07:56,036 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 17:07:56,037 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 17:07:56,038 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 17:07:56,039 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 17:07:56,040 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 17:07:56,041 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 17:07:56,042 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 17:07:56,043 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 17:07:56,044 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 17:07:56,045 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 17:07:56,046 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 17:07:56,047 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 17:07:56,049 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 17:07:56,051 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 17:07:56,052 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 17:07:56,053 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 17:07:56,054 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 17:07:56,056 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 17:07:56,056 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 17:07:56,056 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 17:07:56,057 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 17:07:56,058 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 17:07:56,059 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 17:07:56,059 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 17:07:56,060 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 17:07:56,060 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 17:07:56,061 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 17:07:56,062 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 17:07:56,062 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 17:07:56,063 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 17:07:56,063 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 17:07:56,064 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 17:07:56,064 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 17:07:56,065 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 17:07:56,066 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 [2019-09-16 17:07:56,081 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 17:07:56,081 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 17:07:56,082 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-16 17:07:56,082 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-16 17:07:56,082 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-16 17:07:56,083 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-16 17:07:56,083 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-16 17:07:56,083 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-16 17:07:56,083 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-16 17:07:56,083 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-16 17:07:56,084 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 17:07:56,084 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 17:07:56,085 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 17:07:56,085 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 17:07:56,085 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 17:07:56,085 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 17:07:56,085 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 17:07:56,085 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 17:07:56,086 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 17:07:56,086 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 17:07:56,086 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 17:07:56,086 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-16 17:07:56,087 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 17:07:56,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:07:56,087 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 17:07:56,087 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 17:07:56,087 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-16 17:07:56,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 17:07:56,088 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 17:07:56,088 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-16 17:07:56,116 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 17:07:56,129 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 17:07:56,132 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 17:07:56,134 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 17:07:56,134 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 17:07:56,135 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product46.cil.c [2019-09-16 17:07:56,198 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbc6ed6b2/16bf719a6b0745998266066aaada8098/FLAG8d0ebd9ed [2019-09-16 17:07:56,691 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 17:07:56,691 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product46.cil.c [2019-09-16 17:07:56,717 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbc6ed6b2/16bf719a6b0745998266066aaada8098/FLAG8d0ebd9ed [2019-09-16 17:07:56,965 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbc6ed6b2/16bf719a6b0745998266066aaada8098 [2019-09-16 17:07:56,975 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 17:07:56,977 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 17:07:56,978 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 17:07:56,978 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 17:07:56,981 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 17:07:56,982 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:07:56" (1/1) ... [2019-09-16 17:07:56,985 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72a19ae3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:56, skipping insertion in model container [2019-09-16 17:07:56,985 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:07:56" (1/1) ... [2019-09-16 17:07:56,992 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 17:07:57,048 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 17:07:57,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:07:57,586 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 17:07:57,691 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:07:57,737 INFO L192 MainTranslator]: Completed translation [2019-09-16 17:07:57,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:57 WrapperNode [2019-09-16 17:07:57,738 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 17:07:57,738 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 17:07:57,739 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 17:07:57,739 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 17:07:57,753 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:57" (1/1) ... [2019-09-16 17:07:57,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:57" (1/1) ... [2019-09-16 17:07:57,776 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:57" (1/1) ... [2019-09-16 17:07:57,776 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:57" (1/1) ... [2019-09-16 17:07:57,818 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:57" (1/1) ... [2019-09-16 17:07:57,835 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:57" (1/1) ... [2019-09-16 17:07:57,842 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:57" (1/1) ... [2019-09-16 17:07:57,857 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 17:07:57,858 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 17:07:57,858 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 17:07:57,861 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 17:07:57,862 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:57" (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 [2019-09-16 17:07:57,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 17:07:57,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 17:07:57,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-16 17:07:57,972 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-16 17:07:57,972 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-16 17:07:57,972 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-16 17:07:57,972 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-16 17:07:57,972 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-16 17:07:57,973 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-09-16 17:07:57,973 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-16 17:07:57,973 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-16 17:07:57,974 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-16 17:07:57,974 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-16 17:07:57,975 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-16 17:07:57,975 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-16 17:07:57,976 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-16 17:07:57,976 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-16 17:07:57,976 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-16 17:07:57,976 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-16 17:07:57,977 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-16 17:07:57,977 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 17:07:57,977 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-16 17:07:57,977 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-16 17:07:57,977 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-16 17:07:57,977 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-16 17:07:57,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-16 17:07:57,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-16 17:07:57,979 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-16 17:07:57,979 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-16 17:07:57,979 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-16 17:07:57,979 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-16 17:07:57,979 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-16 17:07:57,979 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-16 17:07:57,979 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-16 17:07:57,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-16 17:07:57,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-16 17:07:57,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-16 17:07:57,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-16 17:07:57,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-16 17:07:57,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-16 17:07:57,981 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 17:07:57,981 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 17:07:57,981 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-16 17:07:57,981 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-16 17:07:57,981 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-16 17:07:57,982 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-16 17:07:57,982 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-16 17:07:57,982 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-16 17:07:57,982 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-16 17:07:57,982 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-16 17:07:57,982 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-16 17:07:57,983 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-16 17:07:57,983 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-16 17:07:57,983 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-16 17:07:57,983 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-16 17:07:57,983 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-16 17:07:57,984 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-16 17:07:57,984 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-16 17:07:57,984 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-16 17:07:57,984 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-16 17:07:57,984 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-16 17:07:57,985 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-16 17:07:57,985 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-16 17:07:57,985 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-09-16 17:07:57,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 17:07:57,985 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-16 17:07:57,986 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-16 17:07:57,986 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-16 17:07:57,986 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-16 17:07:57,986 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-16 17:07:57,986 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-16 17:07:57,986 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 17:07:57,987 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-16 17:07:57,987 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-16 17:07:57,987 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-16 17:07:57,988 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-16 17:07:57,988 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-16 17:07:57,988 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-16 17:07:57,988 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-16 17:07:57,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-16 17:07:57,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 17:07:57,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 17:07:57,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 17:07:57,989 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-16 17:07:57,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 17:07:57,990 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-16 17:07:57,991 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-16 17:07:57,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 17:07:57,991 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-16 17:07:57,992 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-16 17:07:57,992 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-16 17:07:57,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 17:07:57,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-16 17:07:57,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 17:07:59,105 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 17:07:59,105 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-16 17:07:59,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:07:59 BoogieIcfgContainer [2019-09-16 17:07:59,107 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 17:07:59,109 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-16 17:07:59,109 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-16 17:07:59,112 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-16 17:07:59,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 05:07:56" (1/3) ... [2019-09-16 17:07:59,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b1e5142 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 05:07:59, skipping insertion in model container [2019-09-16 17:07:59,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:57" (2/3) ... [2019-09-16 17:07:59,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b1e5142 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 05:07:59, skipping insertion in model container [2019-09-16 17:07:59,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:07:59" (3/3) ... [2019-09-16 17:07:59,116 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product46.cil.c [2019-09-16 17:07:59,126 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-16 17:07:59,135 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-16 17:07:59,154 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-16 17:07:59,183 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-16 17:07:59,183 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-16 17:07:59,184 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-16 17:07:59,184 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-16 17:07:59,184 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-16 17:07:59,184 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-16 17:07:59,184 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-16 17:07:59,185 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-16 17:07:59,206 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2019-09-16 17:07:59,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-16 17:07:59,220 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:07:59,221 INFO L407 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] [2019-09-16 17:07:59,224 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:07:59,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:07:59,230 INFO L82 PathProgramCache]: Analyzing trace with hash 1417441614, now seen corresponding path program 1 times [2019-09-16 17:07:59,233 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:07:59,296 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:07:59,296 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:07:59,296 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:07:59,296 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:07:59,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:07:59,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:07:59,553 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:07:59,553 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-16 17:07:59,554 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:07:59,559 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-16 17:07:59,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-16 17:07:59,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 17:07:59,578 INFO L87 Difference]: Start difference. First operand 177 states. Second operand 2 states. [2019-09-16 17:07:59,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:07:59,608 INFO L93 Difference]: Finished difference Result 145 states and 170 transitions. [2019-09-16 17:07:59,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-16 17:07:59,609 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-09-16 17:07:59,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:07:59,621 INFO L225 Difference]: With dead ends: 145 [2019-09-16 17:07:59,622 INFO L226 Difference]: Without dead ends: 134 [2019-09-16 17:07:59,624 INFO L636 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 [2019-09-16 17:07:59,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2019-09-16 17:07:59,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2019-09-16 17:07:59,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-09-16 17:07:59,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 158 transitions. [2019-09-16 17:07:59,676 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 158 transitions. Word has length 46 [2019-09-16 17:07:59,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:07:59,676 INFO L475 AbstractCegarLoop]: Abstraction has 134 states and 158 transitions. [2019-09-16 17:07:59,676 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-16 17:07:59,677 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 158 transitions. [2019-09-16 17:07:59,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-16 17:07:59,680 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:07:59,680 INFO L407 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] [2019-09-16 17:07:59,681 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:07:59,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:07:59,681 INFO L82 PathProgramCache]: Analyzing trace with hash -1689810546, now seen corresponding path program 1 times [2019-09-16 17:07:59,681 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:07:59,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:07:59,684 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:07:59,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:07:59,685 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:07:59,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:07:59,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:07:59,797 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:07:59,797 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 17:07:59,797 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:07:59,800 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 17:07:59,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 17:07:59,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:07:59,801 INFO L87 Difference]: Start difference. First operand 134 states and 158 transitions. Second operand 3 states. [2019-09-16 17:07:59,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:07:59,826 INFO L93 Difference]: Finished difference Result 125 states and 146 transitions. [2019-09-16 17:07:59,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:07:59,827 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-09-16 17:07:59,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:07:59,830 INFO L225 Difference]: With dead ends: 125 [2019-09-16 17:07:59,830 INFO L226 Difference]: Without dead ends: 125 [2019-09-16 17:07:59,831 INFO L636 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 [2019-09-16 17:07:59,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-09-16 17:07:59,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2019-09-16 17:07:59,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-09-16 17:07:59,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 146 transitions. [2019-09-16 17:07:59,845 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 146 transitions. Word has length 47 [2019-09-16 17:07:59,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:07:59,845 INFO L475 AbstractCegarLoop]: Abstraction has 125 states and 146 transitions. [2019-09-16 17:07:59,845 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 17:07:59,845 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 146 transitions. [2019-09-16 17:07:59,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-16 17:07:59,848 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:07:59,848 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:07:59,848 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:07:59,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:07:59,849 INFO L82 PathProgramCache]: Analyzing trace with hash -1011180464, now seen corresponding path program 1 times [2019-09-16 17:07:59,850 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:07:59,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:07:59,853 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:07:59,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:07:59,853 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:07:59,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:08:00,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:08:00,041 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:08:00,041 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-16 17:08:00,041 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:08:00,042 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-16 17:08:00,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-16 17:08:00,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-16 17:08:00,043 INFO L87 Difference]: Start difference. First operand 125 states and 146 transitions. Second operand 7 states. [2019-09-16 17:08:00,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:08:00,459 INFO L93 Difference]: Finished difference Result 125 states and 145 transitions. [2019-09-16 17:08:00,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-16 17:08:00,459 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-09-16 17:08:00,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:08:00,464 INFO L225 Difference]: With dead ends: 125 [2019-09-16 17:08:00,464 INFO L226 Difference]: Without dead ends: 125 [2019-09-16 17:08:00,465 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-09-16 17:08:00,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-09-16 17:08:00,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2019-09-16 17:08:00,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-09-16 17:08:00,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 145 transitions. [2019-09-16 17:08:00,494 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 145 transitions. Word has length 52 [2019-09-16 17:08:00,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:08:00,495 INFO L475 AbstractCegarLoop]: Abstraction has 125 states and 145 transitions. [2019-09-16 17:08:00,495 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-16 17:08:00,495 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 145 transitions. [2019-09-16 17:08:00,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-09-16 17:08:00,504 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:08:00,504 INFO L407 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] [2019-09-16 17:08:00,505 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:08:00,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:08:00,505 INFO L82 PathProgramCache]: Analyzing trace with hash 1017334303, now seen corresponding path program 1 times [2019-09-16 17:08:00,505 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:08:00,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:00,510 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:08:00,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:00,511 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:08:00,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:08:00,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:08:00,696 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:08:00,697 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-16 17:08:00,697 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:08:00,699 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-16 17:08:00,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-16 17:08:00,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-16 17:08:00,700 INFO L87 Difference]: Start difference. First operand 125 states and 145 transitions. Second operand 5 states. [2019-09-16 17:08:01,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:08:01,269 INFO L93 Difference]: Finished difference Result 231 states and 267 transitions. [2019-09-16 17:08:01,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-16 17:08:01,270 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2019-09-16 17:08:01,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:08:01,276 INFO L225 Difference]: With dead ends: 231 [2019-09-16 17:08:01,277 INFO L226 Difference]: Without dead ends: 231 [2019-09-16 17:08:01,280 INFO L636 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 [2019-09-16 17:08:01,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2019-09-16 17:08:01,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 212. [2019-09-16 17:08:01,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2019-09-16 17:08:01,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 241 transitions. [2019-09-16 17:08:01,313 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 241 transitions. Word has length 65 [2019-09-16 17:08:01,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:08:01,314 INFO L475 AbstractCegarLoop]: Abstraction has 212 states and 241 transitions. [2019-09-16 17:08:01,314 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-16 17:08:01,314 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 241 transitions. [2019-09-16 17:08:01,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-09-16 17:08:01,316 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:08:01,317 INFO L407 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, 1] [2019-09-16 17:08:01,317 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:08:01,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:08:01,317 INFO L82 PathProgramCache]: Analyzing trace with hash 1244154125, now seen corresponding path program 1 times [2019-09-16 17:08:01,318 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:08:01,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:01,320 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:08:01,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:01,320 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:08:01,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:08:01,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:08:01,406 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:08:01,406 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-16 17:08:01,406 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:08:01,407 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-16 17:08:01,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-16 17:08:01,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-16 17:08:01,408 INFO L87 Difference]: Start difference. First operand 212 states and 241 transitions. Second operand 6 states. [2019-09-16 17:08:01,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:08:01,605 INFO L93 Difference]: Finished difference Result 385 states and 439 transitions. [2019-09-16 17:08:01,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-16 17:08:01,607 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2019-09-16 17:08:01,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:08:01,611 INFO L225 Difference]: With dead ends: 385 [2019-09-16 17:08:01,612 INFO L226 Difference]: Without dead ends: 385 [2019-09-16 17:08:01,612 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-16 17:08:01,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2019-09-16 17:08:01,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 379. [2019-09-16 17:08:01,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2019-09-16 17:08:01,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 432 transitions. [2019-09-16 17:08:01,655 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 432 transitions. Word has length 79 [2019-09-16 17:08:01,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:08:01,656 INFO L475 AbstractCegarLoop]: Abstraction has 379 states and 432 transitions. [2019-09-16 17:08:01,657 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-16 17:08:01,657 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 432 transitions. [2019-09-16 17:08:01,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-09-16 17:08:01,665 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:08:01,666 INFO L407 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, 1, 1, 1, 1, 1] [2019-09-16 17:08:01,666 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:08:01,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:08:01,667 INFO L82 PathProgramCache]: Analyzing trace with hash -1996569391, now seen corresponding path program 1 times [2019-09-16 17:08:01,667 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:08:01,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:01,670 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:08:01,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:01,670 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:08:01,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:08:01,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:08:01,790 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:08:01,790 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-16 17:08:01,790 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:08:01,791 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-16 17:08:01,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-16 17:08:01,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-16 17:08:01,792 INFO L87 Difference]: Start difference. First operand 379 states and 432 transitions. Second operand 7 states. [2019-09-16 17:08:02,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:08:02,482 INFO L93 Difference]: Finished difference Result 411 states and 483 transitions. [2019-09-16 17:08:02,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-16 17:08:02,482 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 83 [2019-09-16 17:08:02,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:08:02,486 INFO L225 Difference]: With dead ends: 411 [2019-09-16 17:08:02,486 INFO L226 Difference]: Without dead ends: 411 [2019-09-16 17:08:02,487 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-09-16 17:08:02,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2019-09-16 17:08:02,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 379. [2019-09-16 17:08:02,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2019-09-16 17:08:02,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 431 transitions. [2019-09-16 17:08:02,506 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 431 transitions. Word has length 83 [2019-09-16 17:08:02,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:08:02,507 INFO L475 AbstractCegarLoop]: Abstraction has 379 states and 431 transitions. [2019-09-16 17:08:02,507 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-16 17:08:02,507 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 431 transitions. [2019-09-16 17:08:02,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-09-16 17:08:02,510 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:08:02,510 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:08:02,510 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:08:02,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:08:02,511 INFO L82 PathProgramCache]: Analyzing trace with hash -1098775200, now seen corresponding path program 1 times [2019-09-16 17:08:02,511 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:08:02,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:02,513 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:08:02,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:02,514 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:08:02,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:08:02,580 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-16 17:08:02,581 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:08:02,581 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-16 17:08:02,581 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:08:02,582 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-16 17:08:02,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-16 17:08:02,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-16 17:08:02,583 INFO L87 Difference]: Start difference. First operand 379 states and 431 transitions. Second operand 6 states. [2019-09-16 17:08:02,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:08:02,623 INFO L93 Difference]: Finished difference Result 393 states and 445 transitions. [2019-09-16 17:08:02,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-16 17:08:02,623 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 99 [2019-09-16 17:08:02,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:08:02,627 INFO L225 Difference]: With dead ends: 393 [2019-09-16 17:08:02,627 INFO L226 Difference]: Without dead ends: 393 [2019-09-16 17:08:02,628 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-16 17:08:02,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2019-09-16 17:08:02,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 389. [2019-09-16 17:08:02,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2019-09-16 17:08:02,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 441 transitions. [2019-09-16 17:08:02,657 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 441 transitions. Word has length 99 [2019-09-16 17:08:02,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:08:02,658 INFO L475 AbstractCegarLoop]: Abstraction has 389 states and 441 transitions. [2019-09-16 17:08:02,658 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-16 17:08:02,658 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 441 transitions. [2019-09-16 17:08:02,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-09-16 17:08:02,660 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:08:02,660 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:08:02,661 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:08:02,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:08:02,661 INFO L82 PathProgramCache]: Analyzing trace with hash -205288862, now seen corresponding path program 1 times [2019-09-16 17:08:02,661 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:08:02,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:02,663 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:08:02,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:02,664 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:08:02,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:08:02,744 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-16 17:08:02,744 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:08:02,744 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-16 17:08:02,745 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:08:02,746 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-16 17:08:02,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-16 17:08:02,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-16 17:08:02,749 INFO L87 Difference]: Start difference. First operand 389 states and 441 transitions. Second operand 8 states. [2019-09-16 17:08:02,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:08:02,783 INFO L93 Difference]: Finished difference Result 403 states and 455 transitions. [2019-09-16 17:08:02,785 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-16 17:08:02,786 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 99 [2019-09-16 17:08:02,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:08:02,788 INFO L225 Difference]: With dead ends: 403 [2019-09-16 17:08:02,788 INFO L226 Difference]: Without dead ends: 403 [2019-09-16 17:08:02,789 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-16 17:08:02,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2019-09-16 17:08:02,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 397. [2019-09-16 17:08:02,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2019-09-16 17:08:02,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 449 transitions. [2019-09-16 17:08:02,802 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 449 transitions. Word has length 99 [2019-09-16 17:08:02,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:08:02,803 INFO L475 AbstractCegarLoop]: Abstraction has 397 states and 449 transitions. [2019-09-16 17:08:02,803 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-16 17:08:02,803 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 449 transitions. [2019-09-16 17:08:02,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-09-16 17:08:02,805 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:08:02,805 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:08:02,805 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:08:02,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:08:02,806 INFO L82 PathProgramCache]: Analyzing trace with hash -213048221, now seen corresponding path program 1 times [2019-09-16 17:08:02,806 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:08:02,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:02,808 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:08:02,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:02,809 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:08:02,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:08:02,938 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-16 17:08:02,938 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:08:02,938 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-16 17:08:02,939 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:08:02,939 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-16 17:08:02,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-16 17:08:02,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-16 17:08:02,940 INFO L87 Difference]: Start difference. First operand 397 states and 449 transitions. Second operand 4 states. [2019-09-16 17:08:03,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:08:03,144 INFO L93 Difference]: Finished difference Result 806 states and 953 transitions. [2019-09-16 17:08:03,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-16 17:08:03,144 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2019-09-16 17:08:03,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:08:03,149 INFO L225 Difference]: With dead ends: 806 [2019-09-16 17:08:03,149 INFO L226 Difference]: Without dead ends: 806 [2019-09-16 17:08:03,149 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-16 17:08:03,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 806 states. [2019-09-16 17:08:03,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 806 to 791. [2019-09-16 17:08:03,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 791 states. [2019-09-16 17:08:03,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 921 transitions. [2019-09-16 17:08:03,179 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 921 transitions. Word has length 99 [2019-09-16 17:08:03,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:08:03,180 INFO L475 AbstractCegarLoop]: Abstraction has 791 states and 921 transitions. [2019-09-16 17:08:03,180 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-16 17:08:03,180 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 921 transitions. [2019-09-16 17:08:03,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-09-16 17:08:03,183 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:08:03,183 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:08:03,183 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:08:03,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:08:03,184 INFO L82 PathProgramCache]: Analyzing trace with hash -1140072279, now seen corresponding path program 1 times [2019-09-16 17:08:03,184 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:08:03,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:03,186 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:08:03,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:03,187 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:08:03,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:08:03,345 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-16 17:08:03,345 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 17:08:03,345 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-16 17:08:03,346 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 104 with the following transitions: [2019-09-16 17:08:03,348 INFO L207 CegarAbsIntRunner]: [50], [51], [52], [56], [59], [83], [99], [103], [104], [105], [120], [123], [125], [134], [138], [142], [145], [150], [153], [158], [164], [167], [186], [188], [193], [196], [197], [199], [204], [206], [207], [215], [219], [252], [253], [265], [269], [270], [273], [274], [277], [279], [282], [292], [293], [294], [317], [319], [320], [338], [339], [389], [390], [395], [397], [400], [404], [406], [409], [411], [414], [427], [428], [429], [430], [431], [432], [433], [434], [435], [473], [474], [475], [476], [477], [478], [481], [485], [486], [487], [488], [489], [490], [493], [494], [495], [501], [502], [503], [504], [511], [513], [514], [519], [520], [521], [523], [524], [525], [526], [527] [2019-09-16 17:08:03,386 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-16 17:08:03,386 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-16 17:08:03,460 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-16 17:08:03,462 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. [2019-09-16 17:08:03,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:08:03,465 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-16 17:08:03,510 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-16 17:08:03,510 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-16 17:08:03,514 INFO L420 sIntCurrentIteration]: We unified 102 AI predicates to 102 [2019-09-16 17:08:03,515 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-16 17:08:03,515 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-16 17:08:03,516 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [13] total 13 [2019-09-16 17:08:03,516 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:08:03,516 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-16 17:08:03,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-16 17:08:03,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 17:08:03,517 INFO L87 Difference]: Start difference. First operand 791 states and 921 transitions. Second operand 2 states. [2019-09-16 17:08:03,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:08:03,518 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-16 17:08:03,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-16 17:08:03,518 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 103 [2019-09-16 17:08:03,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:08:03,518 INFO L225 Difference]: With dead ends: 2 [2019-09-16 17:08:03,518 INFO L226 Difference]: Without dead ends: 0 [2019-09-16 17:08:03,519 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 17:08:03,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-16 17:08:03,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-16 17:08:03,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-16 17:08:03,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-16 17:08:03,520 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 103 [2019-09-16 17:08:03,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:08:03,520 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-16 17:08:03,520 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-16 17:08:03,520 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-16 17:08:03,521 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-16 17:08:03,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 05:08:03 BoogieIcfgContainer [2019-09-16 17:08:03,526 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-16 17:08:03,529 INFO L168 Benchmark]: Toolchain (without parser) took 6551.57 ms. Allocated memory was 132.6 MB in the beginning and 327.2 MB in the end (delta: 194.5 MB). Free memory was 86.0 MB in the beginning and 177.9 MB in the end (delta: -91.9 MB). Peak memory consumption was 102.6 MB. Max. memory is 7.1 GB. [2019-09-16 17:08:03,530 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 132.6 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 17:08:03,531 INFO L168 Benchmark]: CACSL2BoogieTranslator took 760.62 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 85.8 MB in the beginning and 164.3 MB in the end (delta: -78.6 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2019-09-16 17:08:03,532 INFO L168 Benchmark]: Boogie Preprocessor took 118.94 ms. Allocated memory is still 199.8 MB. Free memory was 164.3 MB in the beginning and 160.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-16 17:08:03,533 INFO L168 Benchmark]: RCFGBuilder took 1249.54 ms. Allocated memory was 199.8 MB in the beginning and 222.8 MB in the end (delta: 23.1 MB). Free memory was 160.0 MB in the beginning and 193.8 MB in the end (delta: -33.8 MB). Peak memory consumption was 90.6 MB. Max. memory is 7.1 GB. [2019-09-16 17:08:03,534 INFO L168 Benchmark]: TraceAbstraction took 4417.76 ms. Allocated memory was 222.8 MB in the beginning and 327.2 MB in the end (delta: 104.3 MB). Free memory was 193.8 MB in the beginning and 177.9 MB in the end (delta: 15.9 MB). Peak memory consumption was 120.2 MB. Max. memory is 7.1 GB. [2019-09-16 17:08:03,538 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 132.6 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 760.62 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 85.8 MB in the beginning and 164.3 MB in the end (delta: -78.6 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.94 ms. Allocated memory is still 199.8 MB. Free memory was 164.3 MB in the beginning and 160.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1249.54 ms. Allocated memory was 199.8 MB in the beginning and 222.8 MB in the end (delta: 23.1 MB). Free memory was 160.0 MB in the beginning and 193.8 MB in the end (delta: -33.8 MB). Peak memory consumption was 90.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4417.76 ms. Allocated memory was 222.8 MB in the beginning and 327.2 MB in the end (delta: 104.3 MB). Free memory was 193.8 MB in the beginning and 177.9 MB in the end (delta: 15.9 MB). Peak memory consumption was 120.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 462]: 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 40 procedures, 236 locations, 1 error locations. SAFE Result, 4.3s OverallTime, 10 OverallIterations, 2 TraceHistogramMax, 2.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1451 SDtfs, 866 SDslu, 2989 SDs, 0 SdLazy, 1057 SolverSat, 295 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 194 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=791occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.1s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 1.0686274509803921 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 82 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 772 NumberOfCodeBlocks, 772 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 762 ConstructedInterpolants, 0 QuantifiedInterpolants, 103070 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 10/12 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...