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_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:30:47,056 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:30:47,059 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:30:47,070 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:30:47,071 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:30:47,072 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:30:47,073 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:30:47,077 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:30:47,082 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:30:47,083 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:30:47,084 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:30:47,089 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:30:47,090 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:30:47,091 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:30:47,095 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:30:47,098 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:30:47,099 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:30:47,102 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:30:47,104 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:30:47,110 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:30:47,112 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:30:47,115 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:30:47,118 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:30:47,119 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:30:47,125 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:30:47,125 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:30:47,125 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:30:47,128 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:30:47,128 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:30:47,129 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:30:47,129 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:30:47,130 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:30:47,131 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:30:47,131 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:30:47,132 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:30:47,133 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:30:47,133 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:30:47,134 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:30:47,134 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:30:47,135 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:30:47,135 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:30:47,136 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 [2019-09-20 13:30:47,154 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:30:47,156 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:30:47,157 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:30:47,157 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:30:47,158 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:30:47,158 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:30:47,158 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:30:47,159 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:30:47,159 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:30:47,159 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:30:47,161 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:30:47,162 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:30:47,162 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:30:47,162 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:30:47,163 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:30:47,163 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:30:47,163 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:30:47,163 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:30:47,163 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:30:47,164 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:30:47,164 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:30:47,164 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:30:47,164 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:30:47,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:30:47,165 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:30:47,165 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:30:47,165 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:30:47,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:30:47,166 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:30:47,166 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:30:47,221 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:30:47,237 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:30:47,243 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:30:47,245 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:30:47,245 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:30:47,247 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product19.cil.c [2019-09-20 13:30:47,308 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55e039374/b4c0323aa07c46799a0366e96ab44edf/FLAGbab52b29e [2019-09-20 13:30:47,851 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:30:47,852 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product19.cil.c [2019-09-20 13:30:47,876 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55e039374/b4c0323aa07c46799a0366e96ab44edf/FLAGbab52b29e [2019-09-20 13:30:48,156 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55e039374/b4c0323aa07c46799a0366e96ab44edf [2019-09-20 13:30:48,165 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:30:48,167 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:30:48,168 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:30:48,168 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:30:48,172 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:30:48,173 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:30:48" (1/1) ... [2019-09-20 13:30:48,176 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1be31226 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:48, skipping insertion in model container [2019-09-20 13:30:48,177 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:30:48" (1/1) ... [2019-09-20 13:30:48,184 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:30:48,242 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:30:48,647 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:30:48,661 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:30:48,799 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:30:48,832 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:30:48,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:48 WrapperNode [2019-09-20 13:30:48,833 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:30:48,834 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:30:48,834 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:30:48,834 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:30:48,847 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:48" (1/1) ... [2019-09-20 13:30:48,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:48" (1/1) ... [2019-09-20 13:30:48,874 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:48" (1/1) ... [2019-09-20 13:30:48,874 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:48" (1/1) ... [2019-09-20 13:30:48,905 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:48" (1/1) ... [2019-09-20 13:30:48,915 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:48" (1/1) ... [2019-09-20 13:30:48,920 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:48" (1/1) ... [2019-09-20 13:30:48,933 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:30:48,933 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:30:48,934 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:30:48,934 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:30:48,935 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:48" (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 [2019-09-20 13:30:48,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:30:48,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:30:48,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:30:48,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:30:48,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:30:48,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:30:48,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:30:48,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:30:48,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:30:48,994 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 13:30:48,994 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 13:30:48,994 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 13:30:48,994 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 13:30:48,995 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 13:30:48,995 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 13:30:48,995 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 13:30:48,995 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 13:30:48,995 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 13:30:48,996 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 13:30:48,996 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 13:30:48,996 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 13:30:48,996 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 13:30:48,996 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 13:30:48,996 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 13:30:48,997 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 13:30:48,997 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 13:30:48,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:30:48,997 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:30:48,997 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 13:30:48,997 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 13:30:48,998 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:30:48,998 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 13:30:48,998 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:30:48,998 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:30:48,998 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:30:48,998 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:30:48,999 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:30:48,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-20 13:30:48,999 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:30:48,999 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:30:48,999 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:30:48,999 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:30:49,000 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:30:49,000 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:30:49,000 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:30:49,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:30:49,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:30:49,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:30:49,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:30:49,001 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:30:49,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:30:49,001 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:30:49,001 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:30:49,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:30:49,002 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:30:49,002 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:30:49,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:30:49,002 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:30:49,002 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 13:30:49,002 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 13:30:49,002 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 13:30:49,003 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 13:30:49,003 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 13:30:49,003 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 13:30:49,003 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 13:30:49,003 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 13:30:49,003 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 13:30:49,004 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 13:30:49,004 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 13:30:49,004 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 13:30:49,004 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 13:30:49,004 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-20 13:30:49,004 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 13:30:49,005 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 13:30:49,005 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 13:30:49,005 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 13:30:49,005 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:30:49,005 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 13:30:49,005 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:30:49,006 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 13:30:49,006 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:30:49,006 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 13:30:49,006 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:30:49,006 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:30:49,006 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:30:49,007 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:30:49,007 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:30:49,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:30:49,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:30:49,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:30:50,065 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:30:50,065 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 13:30:50,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:30:50 BoogieIcfgContainer [2019-09-20 13:30:50,067 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:30:50,069 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:30:50,069 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:30:50,073 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:30:50,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:30:48" (1/3) ... [2019-09-20 13:30:50,074 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c4e258 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:30:50, skipping insertion in model container [2019-09-20 13:30:50,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:48" (2/3) ... [2019-09-20 13:30:50,075 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c4e258 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:30:50, skipping insertion in model container [2019-09-20 13:30:50,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:30:50" (3/3) ... [2019-09-20 13:30:50,078 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product19.cil.c [2019-09-20 13:30:50,088 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:30:50,099 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:30:50,116 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:30:50,149 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:30:50,149 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-20 13:30:50,149 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:30:50,150 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:30:50,150 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:30:50,150 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:30:50,150 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:30:50,150 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:30:50,179 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states. [2019-09-20 13:30:50,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-20 13:30:50,194 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:50,195 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] [2019-09-20 13:30:50,198 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:50,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:50,204 INFO L82 PathProgramCache]: Analyzing trace with hash 1827738968, now seen corresponding path program 1 times [2019-09-20 13:30:50,206 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:50,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:50,253 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:50,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:50,254 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:50,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:50,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:30:50,577 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:50,577 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:30:50,578 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:50,583 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:30:50,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:30:50,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:30:50,601 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 2 states. [2019-09-20 13:30:50,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:50,626 INFO L93 Difference]: Finished difference Result 121 states and 141 transitions. [2019-09-20 13:30:50,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:30:50,628 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-09-20 13:30:50,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:50,641 INFO L225 Difference]: With dead ends: 121 [2019-09-20 13:30:50,641 INFO L226 Difference]: Without dead ends: 110 [2019-09-20 13:30:50,643 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 [2019-09-20 13:30:50,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2019-09-20 13:30:50,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2019-09-20 13:30:50,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-09-20 13:30:50,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 129 transitions. [2019-09-20 13:30:50,700 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 129 transitions. Word has length 46 [2019-09-20 13:30:50,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:50,701 INFO L475 AbstractCegarLoop]: Abstraction has 110 states and 129 transitions. [2019-09-20 13:30:50,701 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:30:50,701 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 129 transitions. [2019-09-20 13:30:50,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-20 13:30:50,705 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:50,705 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] [2019-09-20 13:30:50,705 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:50,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:50,706 INFO L82 PathProgramCache]: Analyzing trace with hash 622240591, now seen corresponding path program 1 times [2019-09-20 13:30:50,706 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:50,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:50,709 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:50,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:50,709 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:50,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:50,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:30:50,813 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:50,813 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:30:50,814 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:50,815 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:30:50,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:30:50,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:30:50,816 INFO L87 Difference]: Start difference. First operand 110 states and 129 transitions. Second operand 3 states. [2019-09-20 13:30:50,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:50,847 INFO L93 Difference]: Finished difference Result 101 states and 117 transitions. [2019-09-20 13:30:50,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:30:50,849 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-09-20 13:30:50,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:50,853 INFO L225 Difference]: With dead ends: 101 [2019-09-20 13:30:50,853 INFO L226 Difference]: Without dead ends: 101 [2019-09-20 13:30:50,854 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 [2019-09-20 13:30:50,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2019-09-20 13:30:50,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2019-09-20 13:30:50,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2019-09-20 13:30:50,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 117 transitions. [2019-09-20 13:30:50,879 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 117 transitions. Word has length 47 [2019-09-20 13:30:50,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:50,880 INFO L475 AbstractCegarLoop]: Abstraction has 101 states and 117 transitions. [2019-09-20 13:30:50,880 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:30:50,880 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 117 transitions. [2019-09-20 13:30:50,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-20 13:30:50,882 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:50,882 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] [2019-09-20 13:30:50,883 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:50,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:50,883 INFO L82 PathProgramCache]: Analyzing trace with hash -1297415431, now seen corresponding path program 1 times [2019-09-20 13:30:50,883 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:50,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:50,887 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:50,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:50,887 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:50,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:51,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:30:51,045 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:51,046 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:30:51,046 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:51,046 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:30:51,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:30:51,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:30:51,047 INFO L87 Difference]: Start difference. First operand 101 states and 117 transitions. Second operand 7 states. [2019-09-20 13:30:51,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:51,478 INFO L93 Difference]: Finished difference Result 228 states and 272 transitions. [2019-09-20 13:30:51,478 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:30:51,479 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-09-20 13:30:51,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:51,488 INFO L225 Difference]: With dead ends: 228 [2019-09-20 13:30:51,488 INFO L226 Difference]: Without dead ends: 228 [2019-09-20 13:30:51,489 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 [2019-09-20 13:30:51,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2019-09-20 13:30:51,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 220. [2019-09-20 13:30:51,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2019-09-20 13:30:51,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 266 transitions. [2019-09-20 13:30:51,555 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 266 transitions. Word has length 51 [2019-09-20 13:30:51,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:51,558 INFO L475 AbstractCegarLoop]: Abstraction has 220 states and 266 transitions. [2019-09-20 13:30:51,558 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:30:51,558 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 266 transitions. [2019-09-20 13:30:51,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-09-20 13:30:51,565 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:51,565 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] [2019-09-20 13:30:51,565 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:51,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:51,566 INFO L82 PathProgramCache]: Analyzing trace with hash -1649615923, now seen corresponding path program 1 times [2019-09-20 13:30:51,566 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:51,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:51,570 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:51,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:51,570 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:51,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:51,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:30:51,835 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:51,835 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-20 13:30:51,835 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:51,836 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-20 13:30:51,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-20 13:30:51,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:30:51,837 INFO L87 Difference]: Start difference. First operand 220 states and 266 transitions. Second operand 10 states. [2019-09-20 13:30:52,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:52,344 INFO L93 Difference]: Finished difference Result 564 states and 709 transitions. [2019-09-20 13:30:52,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-20 13:30:52,345 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2019-09-20 13:30:52,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:52,351 INFO L225 Difference]: With dead ends: 564 [2019-09-20 13:30:52,352 INFO L226 Difference]: Without dead ends: 564 [2019-09-20 13:30:52,352 INFO L636 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 [2019-09-20 13:30:52,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2019-09-20 13:30:52,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 552. [2019-09-20 13:30:52,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 552 states. [2019-09-20 13:30:52,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 688 transitions. [2019-09-20 13:30:52,408 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 688 transitions. Word has length 57 [2019-09-20 13:30:52,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:52,409 INFO L475 AbstractCegarLoop]: Abstraction has 552 states and 688 transitions. [2019-09-20 13:30:52,409 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-20 13:30:52,409 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 688 transitions. [2019-09-20 13:30:52,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-09-20 13:30:52,412 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:52,412 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] [2019-09-20 13:30:52,413 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:52,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:52,413 INFO L82 PathProgramCache]: Analyzing trace with hash 671694067, now seen corresponding path program 1 times [2019-09-20 13:30:52,413 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:52,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:52,416 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:52,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:52,416 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:52,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:52,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:30:52,487 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:52,487 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-20 13:30:52,487 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:52,487 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-20 13:30:52,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-20 13:30:52,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:30:52,488 INFO L87 Difference]: Start difference. First operand 552 states and 688 transitions. Second operand 4 states. [2019-09-20 13:30:52,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:52,634 INFO L93 Difference]: Finished difference Result 396 states and 464 transitions. [2019-09-20 13:30:52,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-20 13:30:52,634 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2019-09-20 13:30:52,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:52,638 INFO L225 Difference]: With dead ends: 396 [2019-09-20 13:30:52,638 INFO L226 Difference]: Without dead ends: 396 [2019-09-20 13:30:52,638 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:30:52,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2019-09-20 13:30:52,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 384. [2019-09-20 13:30:52,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2019-09-20 13:30:52,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 446 transitions. [2019-09-20 13:30:52,655 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 446 transitions. Word has length 61 [2019-09-20 13:30:52,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:52,655 INFO L475 AbstractCegarLoop]: Abstraction has 384 states and 446 transitions. [2019-09-20 13:30:52,656 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-20 13:30:52,656 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 446 transitions. [2019-09-20 13:30:52,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-09-20 13:30:52,659 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:52,659 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:30:52,659 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:52,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:52,660 INFO L82 PathProgramCache]: Analyzing trace with hash -511342643, now seen corresponding path program 1 times [2019-09-20 13:30:52,660 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:52,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:52,662 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:52,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:52,663 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:52,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:52,778 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-09-20 13:30:52,779 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:30:52,779 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-20 13:30:52,780 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 89 with the following transitions: [2019-09-20 13:30:52,783 INFO L207 CegarAbsIntRunner]: [50], [51], [52], [54], [57], [59], [62], [68], [70], [71], [75], [78], [107], [109], [110], [122], [158], [167], [171], [175], [178], [183], [189], [191], [194], [196], [199], [223], [224], [232], [239], [242], [278], [282], [283], [286], [287], [288], [381], [382], [392], [400], [401], [402], [403], [404], [406], [407], [408], [409], [410], [411], [412], [413], [414], [458], [459], [462], [463], [464], [465], [472], [473], [480], [488], [489], [490] [2019-09-20 13:30:52,834 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-20 13:30:52,834 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:30:52,904 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-20 13:30:52,906 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. [2019-09-20 13:30:52,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:52,911 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-20 13:30:52,954 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-20 13:30:52,954 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-20 13:30:52,958 INFO L420 sIntCurrentIteration]: We unified 87 AI predicates to 87 [2019-09-20 13:30:52,958 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-20 13:30:52,959 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:30:52,959 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 7 [2019-09-20 13:30:52,959 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:52,960 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:30:52,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:30:52,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:30:52,961 INFO L87 Difference]: Start difference. First operand 384 states and 446 transitions. Second operand 2 states. [2019-09-20 13:30:52,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:52,962 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-20 13:30:52,962 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:30:52,962 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 88 [2019-09-20 13:30:52,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:52,962 INFO L225 Difference]: With dead ends: 2 [2019-09-20 13:30:52,962 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:30:52,963 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:30:52,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:30:52,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:30:52,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:30:52,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:30:52,964 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2019-09-20 13:30:52,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:52,964 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:30:52,986 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:30:52,987 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:30:52,987 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:30:52,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:30:52 BoogieIcfgContainer [2019-09-20 13:30:52,992 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:30:52,995 INFO L168 Benchmark]: Toolchain (without parser) took 4827.55 ms. Allocated memory was 140.0 MB in the beginning and 261.6 MB in the end (delta: 121.6 MB). Free memory was 86.3 MB in the beginning and 227.1 MB in the end (delta: -140.8 MB). Peak memory consumption was 132.9 MB. Max. memory is 7.1 GB. [2019-09-20 13:30:52,996 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:30:52,997 INFO L168 Benchmark]: CACSL2BoogieTranslator took 665.74 ms. Allocated memory was 140.0 MB in the beginning and 199.2 MB in the end (delta: 59.2 MB). Free memory was 86.1 MB in the beginning and 165.4 MB in the end (delta: -79.3 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:30:52,997 INFO L168 Benchmark]: Boogie Preprocessor took 99.14 ms. Allocated memory is still 199.2 MB. Free memory was 165.4 MB in the beginning and 161.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:30:52,998 INFO L168 Benchmark]: RCFGBuilder took 1134.01 ms. Allocated memory was 199.2 MB in the beginning and 224.4 MB in the end (delta: 25.2 MB). Free memory was 161.2 MB in the beginning and 193.7 MB in the end (delta: -32.5 MB). Peak memory consumption was 90.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:30:52,999 INFO L168 Benchmark]: TraceAbstraction took 2923.41 ms. Allocated memory was 224.4 MB in the beginning and 261.6 MB in the end (delta: 37.2 MB). Free memory was 192.4 MB in the beginning and 227.1 MB in the end (delta: -34.8 MB). Peak memory consumption was 154.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:30:53,004 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 140.0 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 665.74 ms. Allocated memory was 140.0 MB in the beginning and 199.2 MB in the end (delta: 59.2 MB). Free memory was 86.1 MB in the beginning and 165.4 MB in the end (delta: -79.3 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 99.14 ms. Allocated memory is still 199.2 MB. Free memory was 165.4 MB in the beginning and 161.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1134.01 ms. Allocated memory was 199.2 MB in the beginning and 224.4 MB in the end (delta: 25.2 MB). Free memory was 161.2 MB in the beginning and 193.7 MB in the end (delta: -32.5 MB). Peak memory consumption was 90.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2923.41 ms. Allocated memory was 224.4 MB in the beginning and 261.6 MB in the end (delta: 37.2 MB). Free memory was 192.4 MB in the beginning and 227.1 MB in the end (delta: -34.8 MB). Peak memory consumption was 154.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 680]: 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, 220 locations, 1 error locations. SAFE Result, 2.8s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 1.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 620 SDtfs, 440 SDslu, 1449 SDs, 0 SdLazy, 473 SolverSat, 79 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 139 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=552occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.1s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 1.0804597701149425 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 32 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 350 NumberOfCodeBlocks, 350 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 344 ConstructedInterpolants, 0 QuantifiedInterpolants, 42856 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 20/23 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...