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_spec3_product06.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 02:49:10,180 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 02:49:10,183 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 02:49:10,199 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 02:49:10,200 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 02:49:10,201 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 02:49:10,203 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 02:49:10,212 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 02:49:10,216 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 02:49:10,219 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 02:49:10,221 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 02:49:10,223 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 02:49:10,223 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 02:49:10,225 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 02:49:10,227 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 02:49:10,228 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 02:49:10,229 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 02:49:10,231 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 02:49:10,232 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 02:49:10,237 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 02:49:10,241 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 02:49:10,243 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 02:49:10,245 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 02:49:10,246 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 02:49:10,248 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 02:49:10,248 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 02:49:10,248 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 02:49:10,250 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 02:49:10,251 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 02:49:10,252 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 02:49:10,252 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 02:49:10,254 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 02:49:10,255 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 02:49:10,255 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 02:49:10,257 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 02:49:10,257 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 02:49:10,258 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 02:49:10,258 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 02:49:10,258 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 02:49:10,259 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 02:49:10,260 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 02:49:10,261 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 02:49:10,286 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 02:49:10,286 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 02:49:10,287 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 02:49:10,287 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 02:49:10,288 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 02:49:10,288 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 02:49:10,288 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 02:49:10,289 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 02:49:10,289 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 02:49:10,289 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 02:49:10,290 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 02:49:10,290 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 02:49:10,290 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 02:49:10,291 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 02:49:10,291 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 02:49:10,291 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 02:49:10,292 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 02:49:10,292 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 02:49:10,293 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 02:49:10,293 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 02:49:10,293 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 02:49:10,293 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 02:49:10,293 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 02:49:10,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:49:10,294 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 02:49:10,294 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 02:49:10,295 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 02:49:10,295 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 02:49:10,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 02:49:10,295 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 02:49:10,341 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 02:49:10,359 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 02:49:10,363 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 02:49:10,365 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 02:49:10,366 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 02:49:10,366 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product06.cil.c [2019-09-10 02:49:10,428 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50c02a637/b98808636d504f7a8d07f00ea34e05b9/FLAG6c8633d56 [2019-09-10 02:49:10,858 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 02:49:10,858 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product06.cil.c [2019-09-10 02:49:10,880 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50c02a637/b98808636d504f7a8d07f00ea34e05b9/FLAG6c8633d56 [2019-09-10 02:49:11,153 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50c02a637/b98808636d504f7a8d07f00ea34e05b9 [2019-09-10 02:49:11,161 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 02:49:11,162 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 02:49:11,163 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 02:49:11,164 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 02:49:11,167 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 02:49:11,168 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:49:11" (1/1) ... [2019-09-10 02:49:11,171 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@485e3625 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:11, skipping insertion in model container [2019-09-10 02:49:11,171 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:49:11" (1/1) ... [2019-09-10 02:49:11,178 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 02:49:11,230 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 02:49:11,638 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:49:11,656 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 02:49:11,732 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:49:11,770 INFO L192 MainTranslator]: Completed translation [2019-09-10 02:49:11,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:11 WrapperNode [2019-09-10 02:49:11,770 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 02:49:11,771 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 02:49:11,771 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 02:49:11,771 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 02:49:11,784 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:11" (1/1) ... [2019-09-10 02:49:11,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:11" (1/1) ... [2019-09-10 02:49:11,803 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:11" (1/1) ... [2019-09-10 02:49:11,804 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:11" (1/1) ... [2019-09-10 02:49:11,835 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:11" (1/1) ... [2019-09-10 02:49:11,846 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:11" (1/1) ... [2019-09-10 02:49:11,853 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:11" (1/1) ... [2019-09-10 02:49:11,861 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 02:49:11,862 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 02:49:11,862 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 02:49:11,862 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 02:49:11,863 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:11" (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 02:49:11,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 02:49:11,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 02:49:11,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-10 02:49:11,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-10 02:49:11,930 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-10 02:49:11,930 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-10 02:49:11,930 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-10 02:49:11,930 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-10 02:49:11,930 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-10 02:49:11,930 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-10 02:49:11,931 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-10 02:49:11,931 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-10 02:49:11,931 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-10 02:49:11,931 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-10 02:49:11,931 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-10 02:49:11,932 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-10 02:49:11,932 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-10 02:49:11,932 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-10 02:49:11,932 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-10 02:49:11,932 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-10 02:49:11,932 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-10 02:49:11,932 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-10 02:49:11,933 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-10 02:49:11,933 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-10 02:49:11,933 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-10 02:49:11,933 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-10 02:49:11,933 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-10 02:49:11,934 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-10 02:49:11,934 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 02:49:11,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-10 02:49:11,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-10 02:49:11,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-10 02:49:11,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-10 02:49:11,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-10 02:49:11,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-10 02:49:11,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-09-10 02:49:11,935 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 02:49:11,935 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 02:49:11,935 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-10 02:49:11,935 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-10 02:49:11,936 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-10 02:49:11,936 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-10 02:49:11,936 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-10 02:49:11,936 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-10 02:49:11,936 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-10 02:49:11,936 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-10 02:49:11,937 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-10 02:49:11,937 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-10 02:49:11,937 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-10 02:49:11,937 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-10 02:49:11,937 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-10 02:49:11,937 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-10 02:49:11,937 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-10 02:49:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-09-10 02:49:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-10 02:49:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-10 02:49:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-10 02:49:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 02:49:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-10 02:49:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-10 02:49:11,939 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-10 02:49:11,939 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-10 02:49:11,939 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-10 02:49:11,939 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-10 02:49:11,939 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-10 02:49:11,939 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-10 02:49:11,940 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 02:49:11,940 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 02:49:11,940 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 02:49:11,940 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 02:49:11,940 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-10 02:49:11,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 02:49:11,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 02:49:11,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 02:49:11,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 02:49:11,941 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-10 02:49:11,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 02:49:11,941 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-10 02:49:11,941 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-10 02:49:11,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 02:49:11,942 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-10 02:49:11,942 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-10 02:49:11,942 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-10 02:49:11,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 02:49:11,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 02:49:11,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 02:49:12,928 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 02:49:12,929 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-10 02:49:12,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:49:12 BoogieIcfgContainer [2019-09-10 02:49:12,930 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 02:49:12,931 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 02:49:12,931 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 02:49:12,934 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 02:49:12,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:49:11" (1/3) ... [2019-09-10 02:49:12,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27243e5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:49:12, skipping insertion in model container [2019-09-10 02:49:12,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:11" (2/3) ... [2019-09-10 02:49:12,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27243e5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:49:12, skipping insertion in model container [2019-09-10 02:49:12,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:49:12" (3/3) ... [2019-09-10 02:49:12,938 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product06.cil.c [2019-09-10 02:49:12,947 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 02:49:12,955 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 02:49:12,972 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 02:49:12,998 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 02:49:12,998 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 02:49:12,998 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 02:49:12,999 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 02:49:12,999 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 02:49:12,999 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 02:49:12,999 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 02:49:13,000 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 02:49:13,019 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states. [2019-09-10 02:49:13,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-10 02:49:13,030 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:49:13,031 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] [2019-09-10 02:49:13,033 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:49:13,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:49:13,037 INFO L82 PathProgramCache]: Analyzing trace with hash 1057158692, now seen corresponding path program 1 times [2019-09-10 02:49:13,039 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:49:13,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:13,084 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:49:13,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:13,085 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:49:13,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:49:13,377 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 02:49:13,380 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:49:13,380 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-10 02:49:13,380 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:49:13,386 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:49:13,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:49:13,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:49:13,403 INFO L87 Difference]: Start difference. First operand 152 states. Second operand 2 states. [2019-09-10 02:49:13,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:49:13,441 INFO L93 Difference]: Finished difference Result 120 states and 139 transitions. [2019-09-10 02:49:13,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:49:13,442 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-09-10 02:49:13,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:49:13,454 INFO L225 Difference]: With dead ends: 120 [2019-09-10 02:49:13,455 INFO L226 Difference]: Without dead ends: 109 [2019-09-10 02:49:13,456 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 02:49:13,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2019-09-10 02:49:13,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2019-09-10 02:49:13,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2019-09-10 02:49:13,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 127 transitions. [2019-09-10 02:49:13,511 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 127 transitions. Word has length 52 [2019-09-10 02:49:13,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:49:13,512 INFO L475 AbstractCegarLoop]: Abstraction has 109 states and 127 transitions. [2019-09-10 02:49:13,512 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:49:13,512 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 127 transitions. [2019-09-10 02:49:13,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-09-10 02:49:13,516 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:49:13,516 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] [2019-09-10 02:49:13,516 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:49:13,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:49:13,517 INFO L82 PathProgramCache]: Analyzing trace with hash -1710283751, now seen corresponding path program 1 times [2019-09-10 02:49:13,517 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:49:13,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:13,518 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:49:13,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:13,519 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:49:13,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:49:13,693 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 02:49:13,694 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:49:13,694 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:49:13,694 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:49:13,696 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:49:13,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:49:13,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:49:13,697 INFO L87 Difference]: Start difference. First operand 109 states and 127 transitions. Second operand 3 states. [2019-09-10 02:49:13,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:49:13,711 INFO L93 Difference]: Finished difference Result 100 states and 115 transitions. [2019-09-10 02:49:13,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:49:13,711 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-09-10 02:49:13,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:49:13,714 INFO L225 Difference]: With dead ends: 100 [2019-09-10 02:49:13,714 INFO L226 Difference]: Without dead ends: 100 [2019-09-10 02:49:13,715 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 02:49:13,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2019-09-10 02:49:13,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2019-09-10 02:49:13,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-09-10 02:49:13,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 115 transitions. [2019-09-10 02:49:13,726 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 115 transitions. Word has length 53 [2019-09-10 02:49:13,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:49:13,727 INFO L475 AbstractCegarLoop]: Abstraction has 100 states and 115 transitions. [2019-09-10 02:49:13,727 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:49:13,727 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 115 transitions. [2019-09-10 02:49:13,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-09-10 02:49:13,729 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:49:13,730 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] [2019-09-10 02:49:13,730 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:49:13,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:49:13,730 INFO L82 PathProgramCache]: Analyzing trace with hash -830709307, now seen corresponding path program 1 times [2019-09-10 02:49:13,731 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:49:13,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:13,731 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:49:13,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:13,732 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:49:13,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:49:13,852 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 02:49:13,852 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:49:13,853 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 02:49:13,853 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:49:13,853 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 02:49:13,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 02:49:13,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-10 02:49:13,854 INFO L87 Difference]: Start difference. First operand 100 states and 115 transitions. Second operand 7 states. [2019-09-10 02:49:14,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:49:14,126 INFO L93 Difference]: Finished difference Result 100 states and 114 transitions. [2019-09-10 02:49:14,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-10 02:49:14,126 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2019-09-10 02:49:14,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:49:14,128 INFO L225 Difference]: With dead ends: 100 [2019-09-10 02:49:14,128 INFO L226 Difference]: Without dead ends: 100 [2019-09-10 02:49:14,129 INFO L628 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 [2019-09-10 02:49:14,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2019-09-10 02:49:14,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2019-09-10 02:49:14,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-09-10 02:49:14,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 114 transitions. [2019-09-10 02:49:14,138 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 114 transitions. Word has length 58 [2019-09-10 02:49:14,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:49:14,139 INFO L475 AbstractCegarLoop]: Abstraction has 100 states and 114 transitions. [2019-09-10 02:49:14,139 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 02:49:14,139 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 114 transitions. [2019-09-10 02:49:14,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-09-10 02:49:14,141 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:49:14,141 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:49:14,141 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:49:14,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:49:14,142 INFO L82 PathProgramCache]: Analyzing trace with hash -1834721556, now seen corresponding path program 1 times [2019-09-10 02:49:14,142 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:49:14,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:14,143 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:49:14,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:14,143 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:49:14,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:49:14,281 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 02:49:14,282 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:49:14,282 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 02:49:14,282 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:49:14,283 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 02:49:14,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 02:49:14,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 02:49:14,284 INFO L87 Difference]: Start difference. First operand 100 states and 114 transitions. Second operand 6 states. [2019-09-10 02:49:14,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:49:14,500 INFO L93 Difference]: Finished difference Result 165 states and 193 transitions. [2019-09-10 02:49:14,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 02:49:14,500 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2019-09-10 02:49:14,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:49:14,506 INFO L225 Difference]: With dead ends: 165 [2019-09-10 02:49:14,507 INFO L226 Difference]: Without dead ends: 165 [2019-09-10 02:49:14,508 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 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 02:49:14,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2019-09-10 02:49:14,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 163. [2019-09-10 02:49:14,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2019-09-10 02:49:14,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 191 transitions. [2019-09-10 02:49:14,543 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 191 transitions. Word has length 66 [2019-09-10 02:49:14,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:49:14,543 INFO L475 AbstractCegarLoop]: Abstraction has 163 states and 191 transitions. [2019-09-10 02:49:14,543 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 02:49:14,544 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 191 transitions. [2019-09-10 02:49:14,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-09-10 02:49:14,549 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:49:14,549 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:49:14,549 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:49:14,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:49:14,549 INFO L82 PathProgramCache]: Analyzing trace with hash 1776072978, now seen corresponding path program 1 times [2019-09-10 02:49:14,552 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:49:14,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:14,554 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:49:14,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:14,554 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:49:14,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:49:14,654 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 02:49:14,655 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:49:14,655 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:49:14,656 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:49:14,656 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:49:14,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:49:14,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:49:14,658 INFO L87 Difference]: Start difference. First operand 163 states and 191 transitions. Second operand 3 states. [2019-09-10 02:49:14,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:49:14,668 INFO L93 Difference]: Finished difference Result 131 states and 146 transitions. [2019-09-10 02:49:14,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:49:14,669 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2019-09-10 02:49:14,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:49:14,671 INFO L225 Difference]: With dead ends: 131 [2019-09-10 02:49:14,671 INFO L226 Difference]: Without dead ends: 131 [2019-09-10 02:49:14,671 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 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 02:49:14,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-09-10 02:49:14,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2019-09-10 02:49:14,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-09-10 02:49:14,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 146 transitions. [2019-09-10 02:49:14,691 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 146 transitions. Word has length 70 [2019-09-10 02:49:14,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:49:14,691 INFO L475 AbstractCegarLoop]: Abstraction has 131 states and 146 transitions. [2019-09-10 02:49:14,691 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:49:14,692 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 146 transitions. [2019-09-10 02:49:14,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-09-10 02:49:14,695 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:49:14,695 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:49:14,695 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:49:14,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:49:14,696 INFO L82 PathProgramCache]: Analyzing trace with hash 1882239654, now seen corresponding path program 1 times [2019-09-10 02:49:14,696 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:49:14,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:14,697 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:49:14,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:14,698 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:49:15,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-10 02:49:15,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-10 02:49:15,441 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-10 02:49:15,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:49:15 BoogieIcfgContainer [2019-09-10 02:49:15,606 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 02:49:15,609 INFO L168 Benchmark]: Toolchain (without parser) took 4445.92 ms. Allocated memory was 134.7 MB in the beginning and 255.9 MB in the end (delta: 121.1 MB). Free memory was 90.4 MB in the beginning and 170.3 MB in the end (delta: -80.0 MB). Peak memory consumption was 130.3 MB. Max. memory is 7.1 GB. [2019-09-10 02:49:15,610 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 134.7 MB. Free memory was 109.4 MB in the beginning and 109.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 02:49:15,611 INFO L168 Benchmark]: CACSL2BoogieTranslator took 607.22 ms. Allocated memory was 134.7 MB in the beginning and 200.8 MB in the end (delta: 66.1 MB). Free memory was 89.9 MB in the beginning and 167.0 MB in the end (delta: -77.1 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2019-09-10 02:49:15,612 INFO L168 Benchmark]: Boogie Preprocessor took 90.38 ms. Allocated memory is still 200.8 MB. Free memory was 167.0 MB in the beginning and 162.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-09-10 02:49:15,613 INFO L168 Benchmark]: RCFGBuilder took 1068.76 ms. Allocated memory was 200.8 MB in the beginning and 229.1 MB in the end (delta: 28.3 MB). Free memory was 162.3 MB in the beginning and 200.2 MB in the end (delta: -37.9 MB). Peak memory consumption was 86.3 MB. Max. memory is 7.1 GB. [2019-09-10 02:49:15,614 INFO L168 Benchmark]: TraceAbstraction took 2675.14 ms. Allocated memory was 229.1 MB in the beginning and 255.9 MB in the end (delta: 26.7 MB). Free memory was 198.9 MB in the beginning and 170.3 MB in the end (delta: 28.5 MB). Peak memory consumption was 144.5 MB. Max. memory is 7.1 GB. [2019-09-10 02:49:15,620 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 134.7 MB. Free memory was 109.4 MB in the beginning and 109.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 607.22 ms. Allocated memory was 134.7 MB in the beginning and 200.8 MB in the end (delta: 66.1 MB). Free memory was 89.9 MB in the beginning and 167.0 MB in the end (delta: -77.1 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.38 ms. Allocated memory is still 200.8 MB. Free memory was 167.0 MB in the beginning and 162.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1068.76 ms. Allocated memory was 200.8 MB in the beginning and 229.1 MB in the end (delta: 28.3 MB). Free memory was 162.3 MB in the beginning and 200.2 MB in the end (delta: -37.9 MB). Peak memory consumption was 86.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2675.14 ms. Allocated memory was 229.1 MB in the beginning and 255.9 MB in the end (delta: 26.7 MB). Free memory was 198.9 MB in the beginning and 170.3 MB in the end (delta: 28.5 MB). Peak memory consumption was 144.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 44]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L96] int pumpRunning = 0; [L97] int systemActive = 1; [L309] int waterLevel = 1; [L310] int methaneLevelCritical = 0; [L389] int cleanupTimeShifts = 4; [L654] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L462] int retValue_acc ; [L463] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L467] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L468] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L469] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L78] int retValue_acc ; [L81] retValue_acc = 1 [L82] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L469] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L469] tmp = valid_product() [L471] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L473] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L474] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L456] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L242] int splverifierCounter ; [L243] int tmp ; [L244] int tmp___0 ; [L245] int tmp___1 ; [L246] int tmp___2 ; [L249] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L251] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L253] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L259] tmp = __VERIFIER_nondet_int() [L261] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=4, waterLevel=1] [L263] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L327] COND TRUE waterLevel < 2 [L328] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L263] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=4, waterLevel=2] [L269] tmp___0 = __VERIFIER_nondet_int() [L271] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=4, tmp___0=0, waterLevel=2] [L279] tmp___2 = __VERIFIER_nondet_int() [L281] COND FALSE !(\read(tmp___2)) [L287] tmp___1 = __VERIFIER_nondet_int() [L289] COND TRUE \read(tmp___1) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=4, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L296] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L104] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L111] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L113] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L133] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L136] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L151] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L113] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L119] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L852] int tmp ; [L853] int tmp___0 ; [L854] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L858] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L348] int retValue_acc ; [L351] retValue_acc = methaneLevelCritical [L352] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L858] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L858] tmp = isMethaneLevelCritical() [L860] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L864] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L380] int retValue_acc ; [L383] retValue_acc = waterLevel [L384] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L864] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L864] tmp___0 = getWaterLevel() [L866] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L868] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L185] int retValue_acc ; [L188] retValue_acc = pumpRunning [L189] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L868] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L868] tmp___1 = isPumpRunning() [L870] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L874] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L44] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 211 locations, 1 error locations. UNSAFE Result, 2.6s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 576 SDtfs, 298 SDslu, 752 SDs, 0 SdLazy, 176 SolverSat, 51 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=163occurred 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, 0.5s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 369 NumberOfCodeBlocks, 369 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 294 ConstructedInterpolants, 0 QuantifiedInterpolants, 29730 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 incorrect! Received shutdown request...