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_spec2_product09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:29:53,211 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:29:53,213 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:29:53,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:29:53,226 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:29:53,227 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:29:53,228 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:29:53,230 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:29:53,232 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:29:53,233 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:29:53,234 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:29:53,235 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:29:53,235 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:29:53,236 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:29:53,237 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:29:53,238 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:29:53,239 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:29:53,240 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:29:53,242 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:29:53,244 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:29:53,246 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:29:53,247 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:29:53,248 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:29:53,249 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:29:53,252 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:29:53,252 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:29:53,252 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:29:53,253 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:29:53,254 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:29:53,255 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:29:53,255 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:29:53,256 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:29:53,257 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:29:53,257 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:29:53,258 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:29:53,259 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:29:53,259 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:29:53,260 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:29:53,260 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:29:53,261 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:29:53,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:29:53,262 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-20 13:29:53,279 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:29:53,279 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:29:53,279 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:29:53,279 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:29:53,280 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:29:53,280 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:29:53,280 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:29:53,281 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:29:53,281 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:29:53,281 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:29:53,282 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:29:53,282 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:29:53,282 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:29:53,283 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:29:53,283 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:29:53,283 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:29:53,283 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:29:53,283 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:29:53,284 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:29:53,284 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:29:53,284 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:29:53,284 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:29:53,284 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:29:53,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:29:53,285 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:29:53,285 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:29:53,285 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:29:53,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:29:53,286 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:29:53,286 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:29:53,315 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:29:53,326 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:29:53,330 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:29:53,331 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:29:53,332 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:29:53,333 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product09.cil.c [2019-09-20 13:29:53,396 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3655af8e8/b788f80bf9cd4f77b1c230ab5f9f8da7/FLAG648058b1c [2019-09-20 13:29:53,927 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:29:53,928 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product09.cil.c [2019-09-20 13:29:53,952 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3655af8e8/b788f80bf9cd4f77b1c230ab5f9f8da7/FLAG648058b1c [2019-09-20 13:29:54,258 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3655af8e8/b788f80bf9cd4f77b1c230ab5f9f8da7 [2019-09-20 13:29:54,267 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:29:54,269 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:29:54,270 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:29:54,270 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:29:54,274 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:29:54,275 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:29:54" (1/1) ... [2019-09-20 13:29:54,280 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ac66c7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:54, skipping insertion in model container [2019-09-20 13:29:54,281 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:29:54" (1/1) ... [2019-09-20 13:29:54,288 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:29:54,350 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:29:54,768 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:29:54,782 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:29:54,877 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:29:54,908 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:29:54,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:54 WrapperNode [2019-09-20 13:29:54,909 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:29:54,910 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:29:54,910 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:29:54,910 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:29:54,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:54" (1/1) ... [2019-09-20 13:29:54,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:54" (1/1) ... [2019-09-20 13:29:54,950 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:54" (1/1) ... [2019-09-20 13:29:54,952 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:54" (1/1) ... [2019-09-20 13:29:55,004 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:54" (1/1) ... [2019-09-20 13:29:55,018 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:54" (1/1) ... [2019-09-20 13:29:55,023 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:54" (1/1) ... [2019-09-20 13:29:55,030 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:29:55,031 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:29:55,031 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:29:55,031 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:29:55,032 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:54" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:29:55,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:29:55,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:29:55,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:29:55,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:29:55,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:29:55,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:29:55,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:29:55,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:29:55,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:29:55,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:29:55,110 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:29:55,111 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 13:29:55,111 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 13:29:55,113 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-09-20 13:29:55,113 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 13:29:55,114 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 13:29:55,115 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 13:29:55,115 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 13:29:55,115 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 13:29:55,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-20 13:29:55,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-20 13:29:55,116 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 13:29:55,116 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 13:29:55,116 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:29:55,116 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 13:29:55,117 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:29:55,118 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 13:29:55,118 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 13:29:55,118 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 13:29:55,118 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 13:29:55,118 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 13:29:55,118 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 13:29:55,119 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:29:55,119 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:29:55,119 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:29:55,119 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:29:55,119 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:29:55,119 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:29:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:29:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:29:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:29:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:29:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:29:55,121 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:29:55,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:29:55,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:29:55,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:29:55,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:29:55,122 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:29:55,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:29:55,122 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:29:55,122 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:29:55,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:29:55,122 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:29:55,123 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:29:55,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:29:55,123 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:29:55,123 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 13:29:55,123 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 13:29:55,123 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 13:29:55,124 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 13:29:55,124 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:29:55,124 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 13:29:55,125 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 13:29:55,125 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 13:29:55,125 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 13:29:55,125 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 13:29:55,125 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 13:29:55,126 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 13:29:55,126 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-20 13:29:55,126 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 13:29:55,126 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-09-20 13:29:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 13:29:55,128 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-20 13:29:55,128 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 13:29:55,128 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:29:55,128 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 13:29:55,129 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:29:55,129 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:29:55,130 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:29:55,130 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:29:55,130 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 13:29:55,130 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:29:55,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:29:55,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:29:55,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:29:56,306 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:29:56,307 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 13:29:56,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:29:56 BoogieIcfgContainer [2019-09-20 13:29:56,308 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:29:56,310 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:29:56,310 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:29:56,313 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:29:56,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:29:54" (1/3) ... [2019-09-20 13:29:56,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b61726a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:29:56, skipping insertion in model container [2019-09-20 13:29:56,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:54" (2/3) ... [2019-09-20 13:29:56,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b61726a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:29:56, skipping insertion in model container [2019-09-20 13:29:56,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:29:56" (3/3) ... [2019-09-20 13:29:56,317 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product09.cil.c [2019-09-20 13:29:56,326 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:29:56,335 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:29:56,352 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:29:56,401 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:29:56,401 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-20 13:29:56,401 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:29:56,402 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:29:56,402 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:29:56,402 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:29:56,402 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:29:56,403 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:29:56,422 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states. [2019-09-20 13:29:56,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-20 13:29:56,435 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:29:56,436 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:29:56,438 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:29:56,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:56,445 INFO L82 PathProgramCache]: Analyzing trace with hash -1369653698, now seen corresponding path program 1 times [2019-09-20 13:29:56,447 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:29:56,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:56,502 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:29:56,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:56,502 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:29:56,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:29:56,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:29:56,795 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:29:56,796 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:29:56,796 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:29:56,802 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:29:56,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:29:56,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:29:56,820 INFO L87 Difference]: Start difference. First operand 140 states. Second operand 2 states. [2019-09-20 13:29:56,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:29:56,854 INFO L93 Difference]: Finished difference Result 97 states and 112 transitions. [2019-09-20 13:29:56,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:29:56,855 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2019-09-20 13:29:56,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:29:56,865 INFO L225 Difference]: With dead ends: 97 [2019-09-20 13:29:56,865 INFO L226 Difference]: Without dead ends: 86 [2019-09-20 13:29:56,867 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:29:56,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2019-09-20 13:29:56,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2019-09-20 13:29:56,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2019-09-20 13:29:56,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 100 transitions. [2019-09-20 13:29:56,949 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 100 transitions. Word has length 51 [2019-09-20 13:29:56,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:29:56,949 INFO L475 AbstractCegarLoop]: Abstraction has 86 states and 100 transitions. [2019-09-20 13:29:56,949 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:29:56,950 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions. [2019-09-20 13:29:56,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-20 13:29:56,953 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:29:56,953 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:29:56,955 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:29:56,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:56,956 INFO L82 PathProgramCache]: Analyzing trace with hash -2015305249, now seen corresponding path program 1 times [2019-09-20 13:29:56,956 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:29:56,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:56,960 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:29:56,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:56,960 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:29:57,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:29:57,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:29:57,120 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:29:57,120 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:29:57,121 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:29:57,123 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:29:57,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:29:57,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:29:57,124 INFO L87 Difference]: Start difference. First operand 86 states and 100 transitions. Second operand 3 states. [2019-09-20 13:29:57,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:29:57,143 INFO L93 Difference]: Finished difference Result 77 states and 88 transitions. [2019-09-20 13:29:57,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:29:57,143 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-09-20 13:29:57,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:29:57,145 INFO L225 Difference]: With dead ends: 77 [2019-09-20 13:29:57,145 INFO L226 Difference]: Without dead ends: 77 [2019-09-20 13:29:57,146 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:29:57,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2019-09-20 13:29:57,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2019-09-20 13:29:57,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-09-20 13:29:57,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 88 transitions. [2019-09-20 13:29:57,157 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 88 transitions. Word has length 52 [2019-09-20 13:29:57,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:29:57,157 INFO L475 AbstractCegarLoop]: Abstraction has 77 states and 88 transitions. [2019-09-20 13:29:57,157 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:29:57,157 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 88 transitions. [2019-09-20 13:29:57,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-09-20 13:29:57,159 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:29:57,160 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:29:57,160 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:29:57,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:57,160 INFO L82 PathProgramCache]: Analyzing trace with hash 2024373040, now seen corresponding path program 1 times [2019-09-20 13:29:57,161 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:29:57,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:57,165 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:29:57,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:57,166 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:29:57,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:29:57,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:29:57,263 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:29:57,263 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:29:57,263 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:29:57,264 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:29:57,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:29:57,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:29:57,265 INFO L87 Difference]: Start difference. First operand 77 states and 88 transitions. Second operand 3 states. [2019-09-20 13:29:57,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:29:57,283 INFO L93 Difference]: Finished difference Result 77 states and 87 transitions. [2019-09-20 13:29:57,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:29:57,283 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2019-09-20 13:29:57,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:29:57,286 INFO L225 Difference]: With dead ends: 77 [2019-09-20 13:29:57,286 INFO L226 Difference]: Without dead ends: 77 [2019-09-20 13:29:57,286 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:29:57,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2019-09-20 13:29:57,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2019-09-20 13:29:57,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-09-20 13:29:57,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 87 transitions. [2019-09-20 13:29:57,294 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 87 transitions. Word has length 56 [2019-09-20 13:29:57,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:29:57,294 INFO L475 AbstractCegarLoop]: Abstraction has 77 states and 87 transitions. [2019-09-20 13:29:57,294 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:29:57,295 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 87 transitions. [2019-09-20 13:29:57,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-09-20 13:29:57,297 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:29:57,297 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:29:57,297 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:29:57,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:57,298 INFO L82 PathProgramCache]: Analyzing trace with hash 1738741033, now seen corresponding path program 1 times [2019-09-20 13:29:57,298 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:29:57,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:57,300 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:29:57,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:57,301 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:29:57,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:29:57,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:29:57,418 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:29:57,418 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:29:57,418 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:29:57,419 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:29:57,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:29:57,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:29:57,420 INFO L87 Difference]: Start difference. First operand 77 states and 87 transitions. Second operand 6 states. [2019-09-20 13:29:57,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:29:57,646 INFO L93 Difference]: Finished difference Result 118 states and 136 transitions. [2019-09-20 13:29:57,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:29:57,648 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2019-09-20 13:29:57,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:29:57,655 INFO L225 Difference]: With dead ends: 118 [2019-09-20 13:29:57,656 INFO L226 Difference]: Without dead ends: 118 [2019-09-20 13:29:57,656 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:29:57,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2019-09-20 13:29:57,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 116. [2019-09-20 13:29:57,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2019-09-20 13:29:57,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 134 transitions. [2019-09-20 13:29:57,682 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 134 transitions. Word has length 59 [2019-09-20 13:29:57,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:29:57,682 INFO L475 AbstractCegarLoop]: Abstraction has 116 states and 134 transitions. [2019-09-20 13:29:57,683 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:29:57,683 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 134 transitions. [2019-09-20 13:29:57,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-09-20 13:29:57,689 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:29:57,689 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:29:57,690 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:29:57,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:57,690 INFO L82 PathProgramCache]: Analyzing trace with hash -822748467, now seen corresponding path program 1 times [2019-09-20 13:29:57,694 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:29:57,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:57,697 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:29:57,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:57,697 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:29:57,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:29:57,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:29:57,852 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:29:57,852 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:29:57,852 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:29:57,854 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:29:57,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:29:57,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:29:57,855 INFO L87 Difference]: Start difference. First operand 116 states and 134 transitions. Second operand 6 states. [2019-09-20 13:29:58,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:29:58,040 INFO L93 Difference]: Finished difference Result 106 states and 119 transitions. [2019-09-20 13:29:58,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:29:58,041 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2019-09-20 13:29:58,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:29:58,042 INFO L225 Difference]: With dead ends: 106 [2019-09-20 13:29:58,042 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:29:58,042 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:29:58,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:29:58,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:29:58,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:29:58,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:29:58,043 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2019-09-20 13:29:58,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:29:58,044 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:29:58,044 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:29:58,044 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:29:58,044 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:29:58,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:29:58 BoogieIcfgContainer [2019-09-20 13:29:58,049 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:29:58,052 INFO L168 Benchmark]: Toolchain (without parser) took 3782.52 ms. Allocated memory was 131.6 MB in the beginning and 270.5 MB in the end (delta: 138.9 MB). Free memory was 86.1 MB in the beginning and 219.5 MB in the end (delta: -133.4 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:29:58,053 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 131.6 MB. Free memory was 105.7 MB in the beginning and 105.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:29:58,054 INFO L168 Benchmark]: CACSL2BoogieTranslator took 639.22 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 85.8 MB in the beginning and 165.8 MB in the end (delta: -79.9 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:29:58,055 INFO L168 Benchmark]: Boogie Preprocessor took 121.10 ms. Allocated memory is still 199.2 MB. Free memory was 165.8 MB in the beginning and 161.3 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:29:58,056 INFO L168 Benchmark]: RCFGBuilder took 1277.48 ms. Allocated memory is still 199.2 MB. Free memory was 161.3 MB in the beginning and 77.9 MB in the end (delta: 83.3 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:29:58,057 INFO L168 Benchmark]: TraceAbstraction took 1739.97 ms. Allocated memory was 199.2 MB in the beginning and 270.5 MB in the end (delta: 71.3 MB). Free memory was 77.3 MB in the beginning and 219.5 MB in the end (delta: -142.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 13:29:58,061 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 131.6 MB. Free memory was 105.7 MB in the beginning and 105.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 639.22 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 85.8 MB in the beginning and 165.8 MB in the end (delta: -79.9 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 121.10 ms. Allocated memory is still 199.2 MB. Free memory was 165.8 MB in the beginning and 161.3 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1277.48 ms. Allocated memory is still 199.2 MB. Free memory was 161.3 MB in the beginning and 77.9 MB in the end (delta: 83.3 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1739.97 ms. Allocated memory was 199.2 MB in the beginning and 270.5 MB in the end (delta: 71.3 MB). Free memory was 77.3 MB in the beginning and 219.5 MB in the end (delta: -142.2 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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 36 procedures, 206 locations, 1 error locations. SAFE Result, 1.6s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 450 SDtfs, 158 SDslu, 555 SDs, 0 SdLazy, 97 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=140occurred in iteration=0, 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, 0.4s InterpolantComputationTime, 281 NumberOfCodeBlocks, 281 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 276 ConstructedInterpolants, 0 QuantifiedInterpolants, 26704 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...