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_product05.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 02:47:18,085 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 02:47:18,088 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 02:47:18,106 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 02:47:18,106 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 02:47:18,107 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 02:47:18,109 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 02:47:18,118 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 02:47:18,120 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 02:47:18,121 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 02:47:18,122 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 02:47:18,123 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 02:47:18,123 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 02:47:18,124 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 02:47:18,125 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 02:47:18,126 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 02:47:18,127 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 02:47:18,128 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 02:47:18,129 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 02:47:18,131 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 02:47:18,133 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 02:47:18,134 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 02:47:18,135 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 02:47:18,136 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 02:47:18,138 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 02:47:18,138 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 02:47:18,138 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 02:47:18,139 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 02:47:18,139 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 02:47:18,140 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 02:47:18,141 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 02:47:18,141 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 02:47:18,142 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 02:47:18,143 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 02:47:18,144 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 02:47:18,144 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 02:47:18,145 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 02:47:18,145 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 02:47:18,145 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 02:47:18,146 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 02:47:18,147 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 02:47:18,148 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 02:47:18,162 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 02:47:18,162 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 02:47:18,163 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 02:47:18,163 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 02:47:18,164 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 02:47:18,164 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 02:47:18,164 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 02:47:18,164 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 02:47:18,164 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 02:47:18,165 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 02:47:18,165 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 02:47:18,165 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 02:47:18,166 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 02:47:18,166 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 02:47:18,166 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 02:47:18,166 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 02:47:18,166 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 02:47:18,167 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 02:47:18,167 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 02:47:18,167 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 02:47:18,167 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 02:47:18,168 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 02:47:18,168 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 02:47:18,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:47:18,168 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 02:47:18,168 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 02:47:18,169 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 02:47:18,169 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 02:47:18,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 02:47:18,170 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 02:47:18,201 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 02:47:18,214 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 02:47:18,217 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 02:47:18,219 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 02:47:18,219 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 02:47:18,220 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product05.cil.c [2019-09-10 02:47:18,289 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fd56e4cb/10b683c106754a6f822eb60a4468e996/FLAGb1fccc091 [2019-09-10 02:47:18,871 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 02:47:18,872 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product05.cil.c [2019-09-10 02:47:18,895 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fd56e4cb/10b683c106754a6f822eb60a4468e996/FLAGb1fccc091 [2019-09-10 02:47:19,163 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fd56e4cb/10b683c106754a6f822eb60a4468e996 [2019-09-10 02:47:19,172 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 02:47:19,173 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 02:47:19,175 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 02:47:19,176 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 02:47:19,179 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 02:47:19,180 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:47:19" (1/1) ... [2019-09-10 02:47:19,183 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2787605e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:19, skipping insertion in model container [2019-09-10 02:47:19,184 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:47:19" (1/1) ... [2019-09-10 02:47:19,190 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 02:47:19,229 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 02:47:19,658 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:47:19,677 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 02:47:19,751 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:47:19,787 INFO L192 MainTranslator]: Completed translation [2019-09-10 02:47:19,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:19 WrapperNode [2019-09-10 02:47:19,788 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 02:47:19,788 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 02:47:19,788 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 02:47:19,789 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 02:47:19,803 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:19" (1/1) ... [2019-09-10 02:47:19,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:19" (1/1) ... [2019-09-10 02:47:19,821 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:19" (1/1) ... [2019-09-10 02:47:19,822 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:19" (1/1) ... [2019-09-10 02:47:19,853 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:19" (1/1) ... [2019-09-10 02:47:19,864 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:19" (1/1) ... [2019-09-10 02:47:19,869 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:19" (1/1) ... [2019-09-10 02:47:19,877 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 02:47:19,878 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 02:47:19,878 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 02:47:19,878 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 02:47:19,879 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:47:19,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 02:47:19,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 02:47:19,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-10 02:47:19,947 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-10 02:47:19,947 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-10 02:47:19,947 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-10 02:47:19,947 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-10 02:47:19,947 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-10 02:47:19,947 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-10 02:47:19,947 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-10 02:47:19,948 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-10 02:47:19,948 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-10 02:47:19,948 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-10 02:47:19,948 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-10 02:47:19,948 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-10 02:47:19,948 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-10 02:47:19,949 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-10 02:47:19,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-10 02:47:19,949 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-10 02:47:19,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-10 02:47:19,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-10 02:47:19,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-10 02:47:19,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-10 02:47:19,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-10 02:47:19,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-10 02:47:19,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-10 02:47:19,950 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-10 02:47:19,950 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-10 02:47:19,950 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-10 02:47:19,950 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-10 02:47:19,951 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 02:47:19,951 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-10 02:47:19,951 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-10 02:47:19,951 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-10 02:47:19,951 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-10 02:47:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 02:47:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 02:47:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-10 02:47:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-10 02:47:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-10 02:47:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-10 02:47:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-10 02:47:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-10 02:47:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-10 02:47:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 02:47:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-10 02:47:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-10 02:47:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-10 02:47:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-10 02:47:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-10 02:47:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-10 02:47:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-10 02:47:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-10 02:47:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-10 02:47:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-10 02:47:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-10 02:47:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-10 02:47:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 02:47:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 02:47:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 02:47:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-10 02:47:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 02:47:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 02:47:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 02:47:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 02:47:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-10 02:47:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 02:47:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-10 02:47:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-10 02:47:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 02:47:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-10 02:47:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-10 02:47:19,957 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-10 02:47:19,957 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-10 02:47:19,957 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-10 02:47:19,957 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-10 02:47:19,957 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-10 02:47:19,957 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-10 02:47:19,958 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-10 02:47:19,958 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 02:47:19,958 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-10 02:47:19,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 02:47:19,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 02:47:19,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 02:47:20,952 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 02:47:20,953 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-10 02:47:20,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:47:20 BoogieIcfgContainer [2019-09-10 02:47:20,955 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 02:47:20,956 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 02:47:20,956 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 02:47:20,960 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 02:47:20,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:47:19" (1/3) ... [2019-09-10 02:47:20,961 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ce62a13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:47:20, skipping insertion in model container [2019-09-10 02:47:20,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:19" (2/3) ... [2019-09-10 02:47:20,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ce62a13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:47:20, skipping insertion in model container [2019-09-10 02:47:20,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:47:20" (3/3) ... [2019-09-10 02:47:20,965 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product05.cil.c [2019-09-10 02:47:20,975 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 02:47:21,001 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 02:47:21,019 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 02:47:21,055 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 02:47:21,055 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 02:47:21,055 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 02:47:21,055 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 02:47:21,056 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 02:47:21,056 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 02:47:21,056 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 02:47:21,057 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 02:47:21,077 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states. [2019-09-10 02:47:21,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-10 02:47:21,089 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:47:21,090 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:47:21,092 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:47:21,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:47:21,097 INFO L82 PathProgramCache]: Analyzing trace with hash 214690501, now seen corresponding path program 1 times [2019-09-10 02:47:21,099 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:47:21,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:21,150 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:47:21,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:21,152 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:47:21,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:47:21,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:47:21,507 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:47:21,508 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-10 02:47:21,508 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:47:21,513 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:47:21,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:47:21,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:47:21,531 INFO L87 Difference]: Start difference. First operand 142 states. Second operand 2 states. [2019-09-10 02:47:21,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:47:21,558 INFO L93 Difference]: Finished difference Result 110 states and 128 transitions. [2019-09-10 02:47:21,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:47:21,560 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-09-10 02:47:21,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:47:21,572 INFO L225 Difference]: With dead ends: 110 [2019-09-10 02:47:21,573 INFO L226 Difference]: Without dead ends: 99 [2019-09-10 02:47:21,575 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:47:21,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2019-09-10 02:47:21,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2019-09-10 02:47:21,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2019-09-10 02:47:21,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 116 transitions. [2019-09-10 02:47:21,625 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 116 transitions. Word has length 46 [2019-09-10 02:47:21,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:47:21,625 INFO L475 AbstractCegarLoop]: Abstraction has 99 states and 116 transitions. [2019-09-10 02:47:21,626 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:47:21,626 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 116 transitions. [2019-09-10 02:47:21,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-10 02:47:21,629 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:47:21,629 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:47:21,630 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:47:21,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:47:21,630 INFO L82 PathProgramCache]: Analyzing trace with hash -780054523, now seen corresponding path program 1 times [2019-09-10 02:47:21,630 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:47:21,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:21,632 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:47:21,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:21,632 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:47:21,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:47:21,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:47:21,758 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:47:21,758 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:47:21,758 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:47:21,761 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:47:21,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:47:21,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:47:21,763 INFO L87 Difference]: Start difference. First operand 99 states and 116 transitions. Second operand 3 states. [2019-09-10 02:47:21,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:47:21,777 INFO L93 Difference]: Finished difference Result 90 states and 104 transitions. [2019-09-10 02:47:21,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:47:21,779 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-09-10 02:47:21,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:47:21,782 INFO L225 Difference]: With dead ends: 90 [2019-09-10 02:47:21,782 INFO L226 Difference]: Without dead ends: 90 [2019-09-10 02:47:21,783 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:47:21,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-09-10 02:47:21,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2019-09-10 02:47:21,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-09-10 02:47:21,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 104 transitions. [2019-09-10 02:47:21,798 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 104 transitions. Word has length 47 [2019-09-10 02:47:21,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:47:21,799 INFO L475 AbstractCegarLoop]: Abstraction has 90 states and 104 transitions. [2019-09-10 02:47:21,799 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:47:21,799 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2019-09-10 02:47:21,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-10 02:47:21,801 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:47:21,801 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:47:21,801 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:47:21,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:47:21,802 INFO L82 PathProgramCache]: Analyzing trace with hash 1480057992, now seen corresponding path program 1 times [2019-09-10 02:47:21,802 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:47:21,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:21,803 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:47:21,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:21,804 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:47:21,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:47:21,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:47:21,915 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:47:21,916 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:47:21,916 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:47:21,917 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:47:21,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:47:21,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:47:21,918 INFO L87 Difference]: Start difference. First operand 90 states and 104 transitions. Second operand 3 states. [2019-09-10 02:47:21,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:47:21,946 INFO L93 Difference]: Finished difference Result 90 states and 103 transitions. [2019-09-10 02:47:21,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:47:21,947 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2019-09-10 02:47:21,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:47:21,950 INFO L225 Difference]: With dead ends: 90 [2019-09-10 02:47:21,951 INFO L226 Difference]: Without dead ends: 90 [2019-09-10 02:47:21,951 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:47:21,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-09-10 02:47:21,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2019-09-10 02:47:21,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-09-10 02:47:21,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 103 transitions. [2019-09-10 02:47:21,975 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 103 transitions. Word has length 51 [2019-09-10 02:47:21,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:47:21,975 INFO L475 AbstractCegarLoop]: Abstraction has 90 states and 103 transitions. [2019-09-10 02:47:21,976 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:47:21,976 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 103 transitions. [2019-09-10 02:47:21,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-09-10 02:47:21,978 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:47:21,981 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:47:21,982 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:47:21,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:47:21,982 INFO L82 PathProgramCache]: Analyzing trace with hash -645246501, now seen corresponding path program 1 times [2019-09-10 02:47:21,982 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:47:21,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:21,984 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:47:21,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:21,984 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:47:22,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:47:22,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:47:22,158 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:47:22,158 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 02:47:22,159 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:47:22,160 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 02:47:22,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 02:47:22,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 02:47:22,161 INFO L87 Difference]: Start difference. First operand 90 states and 103 transitions. Second operand 6 states. [2019-09-10 02:47:22,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:47:22,387 INFO L93 Difference]: Finished difference Result 149 states and 174 transitions. [2019-09-10 02:47:22,387 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-10 02:47:22,387 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2019-09-10 02:47:22,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:47:22,395 INFO L225 Difference]: With dead ends: 149 [2019-09-10 02:47:22,395 INFO L226 Difference]: Without dead ends: 149 [2019-09-10 02:47:22,398 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-10 02:47:22,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2019-09-10 02:47:22,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 147. [2019-09-10 02:47:22,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2019-09-10 02:47:22,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 172 transitions. [2019-09-10 02:47:22,443 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 172 transitions. Word has length 59 [2019-09-10 02:47:22,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:47:22,444 INFO L475 AbstractCegarLoop]: Abstraction has 147 states and 172 transitions. [2019-09-10 02:47:22,444 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 02:47:22,444 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 172 transitions. [2019-09-10 02:47:22,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-09-10 02:47:22,453 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:47:22,454 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:47:22,454 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:47:22,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:47:22,456 INFO L82 PathProgramCache]: Analyzing trace with hash 1499933855, now seen corresponding path program 1 times [2019-09-10 02:47:22,456 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:47:22,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:22,457 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:47:22,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:22,457 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:47:22,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:47:22,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:47:22,605 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:47:22,612 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 02:47:22,612 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:47:22,612 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 02:47:22,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 02:47:22,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-10 02:47:22,615 INFO L87 Difference]: Start difference. First operand 147 states and 172 transitions. Second operand 7 states. [2019-09-10 02:47:22,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:47:22,980 INFO L93 Difference]: Finished difference Result 112 states and 125 transitions. [2019-09-10 02:47:22,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-10 02:47:22,981 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 63 [2019-09-10 02:47:22,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:47:22,981 INFO L225 Difference]: With dead ends: 112 [2019-09-10 02:47:22,982 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 02:47:22,982 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-09-10 02:47:22,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 02:47:22,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 02:47:22,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 02:47:22,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 02:47:22,983 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2019-09-10 02:47:22,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:47:22,986 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 02:47:22,986 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 02:47:22,986 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 02:47:22,987 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 02:47:22,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:47:22 BoogieIcfgContainer [2019-09-10 02:47:22,995 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 02:47:22,999 INFO L168 Benchmark]: Toolchain (without parser) took 3824.09 ms. Allocated memory was 141.0 MB in the beginning and 256.4 MB in the end (delta: 115.3 MB). Free memory was 86.6 MB in the beginning and 190.4 MB in the end (delta: -103.9 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-09-10 02:47:23,001 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 106.6 MB in the beginning and 106.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 02:47:23,003 INFO L168 Benchmark]: CACSL2BoogieTranslator took 612.67 ms. Allocated memory was 141.0 MB in the beginning and 201.3 MB in the end (delta: 60.3 MB). Free memory was 86.4 MB in the beginning and 168.6 MB in the end (delta: -82.2 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2019-09-10 02:47:23,006 INFO L168 Benchmark]: Boogie Preprocessor took 88.89 ms. Allocated memory is still 201.3 MB. Free memory was 168.6 MB in the beginning and 164.2 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-10 02:47:23,008 INFO L168 Benchmark]: RCFGBuilder took 1077.18 ms. Allocated memory is still 201.3 MB. Free memory was 164.2 MB in the beginning and 84.8 MB in the end (delta: 79.4 MB). Peak memory consumption was 79.4 MB. Max. memory is 7.1 GB. [2019-09-10 02:47:23,010 INFO L168 Benchmark]: TraceAbstraction took 2039.77 ms. Allocated memory was 201.3 MB in the beginning and 256.4 MB in the end (delta: 55.1 MB). Free memory was 84.8 MB in the beginning and 190.4 MB in the end (delta: -105.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-10 02:47:23,022 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 106.6 MB in the beginning and 106.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 612.67 ms. Allocated memory was 141.0 MB in the beginning and 201.3 MB in the end (delta: 60.3 MB). Free memory was 86.4 MB in the beginning and 168.6 MB in the end (delta: -82.2 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.89 ms. Allocated memory is still 201.3 MB. Free memory was 168.6 MB in the beginning and 164.2 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1077.18 ms. Allocated memory is still 201.3 MB. Free memory was 164.2 MB in the beginning and 84.8 MB in the end (delta: 79.4 MB). Peak memory consumption was 79.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2039.77 ms. Allocated memory was 201.3 MB in the beginning and 256.4 MB in the end (delta: 55.1 MB). Free memory was 84.8 MB in the beginning and 190.4 MB in the end (delta: -105.6 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 269]: 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 35 procedures, 204 locations, 1 error locations. SAFE Result, 1.9s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 506 SDtfs, 223 SDslu, 560 SDs, 0 SdLazy, 211 SolverSat, 49 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=147occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 266 NumberOfCodeBlocks, 266 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 261 ConstructedInterpolants, 0 QuantifiedInterpolants, 25229 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...