java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product13.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:29:30,254 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:29:30,256 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:29:30,268 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:29:30,269 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:29:30,270 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:29:30,271 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:29:30,273 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:29:30,275 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:29:30,276 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:29:30,277 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:29:30,278 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:29:30,278 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:29:30,279 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:29:30,280 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:29:30,281 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:29:30,282 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:29:30,283 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:29:30,285 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:29:30,287 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:29:30,289 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:29:30,290 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:29:30,291 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:29:30,292 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:29:30,294 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:29:30,295 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:29:30,295 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:29:30,296 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:29:30,296 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:29:30,297 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:29:30,298 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:29:30,298 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:29:30,299 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:29:30,300 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:29:30,301 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:29:30,301 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:29:30,302 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:29:30,302 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:29:30,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:29:30,303 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:29:30,304 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:29:30,305 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 13:29:30,327 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:29:30,327 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:29:30,328 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:29:30,328 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:29:30,329 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:29:30,329 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:29:30,330 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:29:30,330 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:29:30,330 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:29:30,330 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:29:30,332 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:29:30,333 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:29:30,333 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:29:30,333 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:29:30,333 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:29:30,334 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:29:30,334 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:29:30,334 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:29:30,334 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:29:30,335 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:29:30,335 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:29:30,335 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:29:30,335 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:29:30,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:29:30,336 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:29:30,336 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:29:30,336 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:29:30,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:29:30,336 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:29:30,337 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:29:30,379 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:29:30,392 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:29:30,395 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:29:30,396 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:29:30,397 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:29:30,397 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product13.cil.c [2019-09-20 13:29:30,475 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/586fa11ad/46341949b670461594db6044756ad05d/FLAG33304e3ba [2019-09-20 13:29:31,027 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:29:31,027 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product13.cil.c [2019-09-20 13:29:31,042 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/586fa11ad/46341949b670461594db6044756ad05d/FLAG33304e3ba [2019-09-20 13:29:31,378 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/586fa11ad/46341949b670461594db6044756ad05d [2019-09-20 13:29:31,387 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:29:31,388 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:29:31,390 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:29:31,390 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:29:31,393 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:29:31,395 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:29:31" (1/1) ... [2019-09-20 13:29:31,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@341fa782 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:31, skipping insertion in model container [2019-09-20 13:29:31,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:29:31" (1/1) ... [2019-09-20 13:29:31,407 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:29:31,481 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:29:31,954 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:29:31,984 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:29:32,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:29:32,154 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:29:32,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:32 WrapperNode [2019-09-20 13:29:32,155 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:29:32,156 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:29:32,156 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:29:32,156 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:29:32,170 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:32" (1/1) ... [2019-09-20 13:29:32,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:32" (1/1) ... [2019-09-20 13:29:32,189 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:32" (1/1) ... [2019-09-20 13:29:32,189 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:32" (1/1) ... [2019-09-20 13:29:32,220 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:32" (1/1) ... [2019-09-20 13:29:32,229 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:32" (1/1) ... [2019-09-20 13:29:32,234 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:32" (1/1) ... [2019-09-20 13:29:32,241 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:29:32,242 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:29:32,242 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:29:32,242 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:29:32,243 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:32" (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 13:29:32,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:29:32,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:29:32,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:29:32,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:29:32,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:29:32,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:29:32,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:29:32,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:29:32,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:29:32,316 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 13:29:32,316 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 13:29:32,316 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 13:29:32,317 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 13:29:32,317 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 13:29:32,317 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 13:29:32,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:29:32,317 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:29:32,317 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:29:32,318 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:29:32,318 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:29:32,318 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 13:29:32,318 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 13:29:32,318 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:29:32,318 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 13:29:32,319 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:29:32,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-20 13:29:32,319 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:29:32,319 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 13:29:32,319 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 13:29:32,319 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 13:29:32,320 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-09-20 13:29:32,320 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 13:29:32,320 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 13:29:32,320 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 13:29:32,320 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 13:29:32,320 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 13:29:32,321 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:29:32,321 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:29:32,321 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:29:32,321 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:29:32,321 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:29:32,321 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:29:32,322 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:29:32,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:29:32,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:29:32,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:29:32,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:29:32,322 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:29:32,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:29:32,323 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:29:32,323 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:29:32,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:29:32,323 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:29:32,323 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:29:32,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:29:32,324 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:29:32,324 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 13:29:32,324 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 13:29:32,324 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 13:29:32,324 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 13:29:32,325 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 13:29:32,325 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 13:29:32,325 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:29:32,325 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:29:32,325 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:29:32,326 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:29:32,326 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:29:32,326 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 13:29:32,326 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 13:29:32,326 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 13:29:32,326 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 13:29:32,326 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:29:32,327 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:29:32,327 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 13:29:32,327 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:29:32,327 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 13:29:32,327 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-20 13:29:32,327 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 13:29:32,328 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 13:29:32,328 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 13:29:32,328 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 13:29:32,328 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 13:29:32,328 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-09-20 13:29:32,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:29:32,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:29:32,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:29:33,592 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:29:33,592 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 13:29:33,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:29:33 BoogieIcfgContainer [2019-09-20 13:29:33,594 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:29:33,595 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:29:33,595 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:29:33,598 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:29:33,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:29:31" (1/3) ... [2019-09-20 13:29:33,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17df42f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:29:33, skipping insertion in model container [2019-09-20 13:29:33,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:32" (2/3) ... [2019-09-20 13:29:33,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17df42f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:29:33, skipping insertion in model container [2019-09-20 13:29:33,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:29:33" (3/3) ... [2019-09-20 13:29:33,602 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product13.cil.c [2019-09-20 13:29:33,612 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:29:33,621 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:29:33,638 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:29:33,666 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:29:33,666 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-20 13:29:33,666 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:29:33,667 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:29:33,667 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:29:33,667 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:29:33,667 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:29:33,668 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:29:33,687 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states. [2019-09-20 13:29:33,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-20 13:29:33,701 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:29:33,702 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:29:33,704 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:29:33,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:33,710 INFO L82 PathProgramCache]: Analyzing trace with hash -655314602, now seen corresponding path program 1 times [2019-09-20 13:29:33,713 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:29:33,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:33,776 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:29:33,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:33,777 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:29:33,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:29:34,137 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 13:29:34,140 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:29:34,141 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:29:34,141 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:29:34,147 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:29:34,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:29:34,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:29:34,166 INFO L87 Difference]: Start difference. First operand 150 states. Second operand 2 states. [2019-09-20 13:29:34,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:29:34,195 INFO L93 Difference]: Finished difference Result 110 states and 128 transitions. [2019-09-20 13:29:34,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:29:34,197 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-09-20 13:29:34,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:29:34,210 INFO L225 Difference]: With dead ends: 110 [2019-09-20 13:29:34,210 INFO L226 Difference]: Without dead ends: 99 [2019-09-20 13:29:34,212 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 13:29:34,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2019-09-20 13:29:34,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2019-09-20 13:29:34,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2019-09-20 13:29:34,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 116 transitions. [2019-09-20 13:29:34,265 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 116 transitions. Word has length 46 [2019-09-20 13:29:34,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:29:34,266 INFO L475 AbstractCegarLoop]: Abstraction has 99 states and 116 transitions. [2019-09-20 13:29:34,266 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:29:34,266 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 116 transitions. [2019-09-20 13:29:34,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-20 13:29:34,269 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:29:34,270 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:29:34,270 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:29:34,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:34,271 INFO L82 PathProgramCache]: Analyzing trace with hash 680244835, now seen corresponding path program 1 times [2019-09-20 13:29:34,271 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:29:34,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:34,273 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:29:34,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:34,274 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:29:34,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:29:34,394 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 13:29:34,394 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:29:34,394 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:29:34,394 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:29:34,397 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:29:34,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:29:34,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:29:34,398 INFO L87 Difference]: Start difference. First operand 99 states and 116 transitions. Second operand 3 states. [2019-09-20 13:29:34,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:29:34,423 INFO L93 Difference]: Finished difference Result 90 states and 104 transitions. [2019-09-20 13:29:34,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:29:34,424 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-09-20 13:29:34,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:29:34,428 INFO L225 Difference]: With dead ends: 90 [2019-09-20 13:29:34,429 INFO L226 Difference]: Without dead ends: 90 [2019-09-20 13:29:34,430 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 13:29:34,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-09-20 13:29:34,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2019-09-20 13:29:34,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-09-20 13:29:34,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 104 transitions. [2019-09-20 13:29:34,452 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 104 transitions. Word has length 47 [2019-09-20 13:29:34,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:29:34,453 INFO L475 AbstractCegarLoop]: Abstraction has 90 states and 104 transitions. [2019-09-20 13:29:34,454 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:29:34,454 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2019-09-20 13:29:34,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-20 13:29:34,458 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:29:34,458 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 13:29:34,459 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:29:34,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:34,459 INFO L82 PathProgramCache]: Analyzing trace with hash -361884353, now seen corresponding path program 1 times [2019-09-20 13:29:34,459 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:29:34,463 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:34,463 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:29:34,463 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:34,463 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:29:34,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:29:34,623 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 13:29:34,623 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:29:34,623 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:29:34,624 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:29:34,625 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:29:34,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:29:34,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:29:34,626 INFO L87 Difference]: Start difference. First operand 90 states and 104 transitions. Second operand 3 states. [2019-09-20 13:29:34,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:29:34,646 INFO L93 Difference]: Finished difference Result 90 states and 103 transitions. [2019-09-20 13:29:34,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:29:34,650 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2019-09-20 13:29:34,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:29:34,653 INFO L225 Difference]: With dead ends: 90 [2019-09-20 13:29:34,654 INFO L226 Difference]: Without dead ends: 90 [2019-09-20 13:29:34,654 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 13:29:34,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-09-20 13:29:34,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2019-09-20 13:29:34,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-09-20 13:29:34,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 103 transitions. [2019-09-20 13:29:34,674 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 103 transitions. Word has length 51 [2019-09-20 13:29:34,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:29:34,675 INFO L475 AbstractCegarLoop]: Abstraction has 90 states and 103 transitions. [2019-09-20 13:29:34,675 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:29:34,675 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 103 transitions. [2019-09-20 13:29:34,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-09-20 13:29:34,683 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:29:34,683 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 13:29:34,683 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:29:34,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:34,684 INFO L82 PathProgramCache]: Analyzing trace with hash -670224991, now seen corresponding path program 1 times [2019-09-20 13:29:34,684 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:29:34,686 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:34,687 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:29:34,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:34,689 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:29:34,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:29:34,861 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 13:29:34,862 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:29:34,862 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:29:34,862 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:29:34,863 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:29:34,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:29:34,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:29:34,864 INFO L87 Difference]: Start difference. First operand 90 states and 103 transitions. Second operand 6 states. [2019-09-20 13:29:35,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:29:35,086 INFO L93 Difference]: Finished difference Result 149 states and 174 transitions. [2019-09-20 13:29:35,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:29:35,087 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2019-09-20 13:29:35,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:29:35,090 INFO L225 Difference]: With dead ends: 149 [2019-09-20 13:29:35,090 INFO L226 Difference]: Without dead ends: 149 [2019-09-20 13:29:35,091 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 13:29:35,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2019-09-20 13:29:35,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 147. [2019-09-20 13:29:35,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2019-09-20 13:29:35,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 172 transitions. [2019-09-20 13:29:35,108 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 172 transitions. Word has length 59 [2019-09-20 13:29:35,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:29:35,108 INFO L475 AbstractCegarLoop]: Abstraction has 147 states and 172 transitions. [2019-09-20 13:29:35,109 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:29:35,109 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 172 transitions. [2019-09-20 13:29:35,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-09-20 13:29:35,111 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:29:35,111 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 13:29:35,111 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:29:35,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:35,112 INFO L82 PathProgramCache]: Analyzing trace with hash 38376037, now seen corresponding path program 1 times [2019-09-20 13:29:35,112 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:29:35,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:35,115 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:29:35,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:35,116 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:29:35,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:29:35,289 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 13:29:35,289 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:29:35,289 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:29:35,290 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:29:35,290 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:29:35,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:29:35,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:29:35,291 INFO L87 Difference]: Start difference. First operand 147 states and 172 transitions. Second operand 7 states. [2019-09-20 13:29:35,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:29:35,604 INFO L93 Difference]: Finished difference Result 112 states and 125 transitions. [2019-09-20 13:29:35,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:29:35,605 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 63 [2019-09-20 13:29:35,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:29:35,605 INFO L225 Difference]: With dead ends: 112 [2019-09-20 13:29:35,606 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:29:35,606 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-09-20 13:29:35,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:29:35,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:29:35,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:29:35,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:29:35,609 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2019-09-20 13:29:35,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:29:35,609 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:29:35,609 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:29:35,610 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:29:35,610 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:29:35,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:29:35 BoogieIcfgContainer [2019-09-20 13:29:35,616 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:29:35,620 INFO L168 Benchmark]: Toolchain (without parser) took 4229.78 ms. Allocated memory was 132.6 MB in the beginning and 262.7 MB in the end (delta: 130.0 MB). Free memory was 86.3 MB in the beginning and 187.5 MB in the end (delta: -101.3 MB). Peak memory consumption was 28.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:29:35,622 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 132.6 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:29:35,624 INFO L168 Benchmark]: CACSL2BoogieTranslator took 766.00 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 86.1 MB in the beginning and 163.3 MB in the end (delta: -77.3 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:29:35,625 INFO L168 Benchmark]: Boogie Preprocessor took 85.45 ms. Allocated memory is still 199.8 MB. Free memory was 163.3 MB in the beginning and 159.7 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:29:35,627 INFO L168 Benchmark]: RCFGBuilder took 1352.33 ms. Allocated memory was 199.8 MB in the beginning and 222.3 MB in the end (delta: 22.5 MB). Free memory was 159.7 MB in the beginning and 193.0 MB in the end (delta: -33.3 MB). Peak memory consumption was 90.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:29:35,629 INFO L168 Benchmark]: TraceAbstraction took 2021.56 ms. Allocated memory was 222.3 MB in the beginning and 262.7 MB in the end (delta: 40.4 MB). Free memory was 193.0 MB in the beginning and 187.5 MB in the end (delta: 5.5 MB). Peak memory consumption was 45.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:29:35,640 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 132.6 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 766.00 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 86.1 MB in the beginning and 163.3 MB in the end (delta: -77.3 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.45 ms. Allocated memory is still 199.8 MB. Free memory was 163.3 MB in the beginning and 159.7 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1352.33 ms. Allocated memory was 199.8 MB in the beginning and 222.3 MB in the end (delta: 22.5 MB). Free memory was 159.7 MB in the beginning and 193.0 MB in the end (delta: -33.3 MB). Peak memory consumption was 90.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2021.56 ms. Allocated memory was 222.3 MB in the beginning and 262.7 MB in the end (delta: 40.4 MB). Free memory was 193.0 MB in the beginning and 187.5 MB in the end (delta: 5.5 MB). Peak memory consumption was 45.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 496]: 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, 211 locations, 1 error locations. SAFE Result, 1.9s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 506 SDtfs, 223 SDslu, 560 SDs, 0 SdLazy, 211 SolverSat, 49 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=150occurred 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: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 266 NumberOfCodeBlocks, 266 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 261 ConstructedInterpolants, 0 QuantifiedInterpolants, 25229 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...