/usr/bin/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 --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product36.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 15:20:43,355 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 15:20:43,357 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 15:20:43,369 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 15:20:43,369 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 15:20:43,370 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 15:20:43,371 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 15:20:43,373 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 15:20:43,375 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 15:20:43,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 15:20:43,377 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 15:20:43,378 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 15:20:43,378 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 15:20:43,379 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 15:20:43,380 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 15:20:43,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 15:20:43,382 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 15:20:43,383 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 15:20:43,385 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 15:20:43,387 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 15:20:43,389 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 15:20:43,390 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 15:20:43,391 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 15:20:43,392 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 15:20:43,395 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 15:20:43,395 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 15:20:43,395 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 15:20:43,396 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 15:20:43,397 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 15:20:43,398 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 15:20:43,398 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 15:20:43,399 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 15:20:43,400 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 15:20:43,401 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 15:20:43,402 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 15:20:43,402 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 15:20:43,403 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 15:20:43,403 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 15:20:43,403 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 15:20:43,404 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 15:20:43,405 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 15:20:43,406 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-07 15:20:43,422 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 15:20:43,423 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 15:20:43,424 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 15:20:43,424 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 15:20:43,424 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 15:20:43,424 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 15:20:43,425 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 15:20:43,425 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 15:20:43,425 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 15:20:43,425 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 15:20:43,425 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 15:20:43,426 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 15:20:43,426 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 15:20:43,426 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 15:20:43,428 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 15:20:43,428 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-07 15:20:43,428 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 15:20:43,428 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 15:20:43,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 15:20:43,429 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 15:20:43,429 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-07 15:20:43,429 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 15:20:43,430 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation [2020-07-07 15:20:43,713 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 15:20:43,727 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 15:20:43,730 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 15:20:43,732 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 15:20:43,732 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 15:20:43,733 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product36.cil.c [2020-07-07 15:20:43,809 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eff8723ed/f83aa52a95da4f7083150070ca19706a/FLAG6d01ce336 [2020-07-07 15:20:44,314 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 15:20:44,314 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product36.cil.c [2020-07-07 15:20:44,326 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eff8723ed/f83aa52a95da4f7083150070ca19706a/FLAG6d01ce336 [2020-07-07 15:20:44,653 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eff8723ed/f83aa52a95da4f7083150070ca19706a [2020-07-07 15:20:44,662 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 15:20:44,664 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 15:20:44,665 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 15:20:44,665 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 15:20:44,669 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 15:20:44,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 03:20:44" (1/1) ... [2020-07-07 15:20:44,673 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41057a00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:20:44, skipping insertion in model container [2020-07-07 15:20:44,673 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 03:20:44" (1/1) ... [2020-07-07 15:20:44,681 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 15:20:44,747 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 15:20:45,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 15:20:45,182 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 15:20:45,346 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 15:20:45,389 INFO L208 MainTranslator]: Completed translation [2020-07-07 15:20:45,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:20:45 WrapperNode [2020-07-07 15:20:45,389 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 15:20:45,390 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 15:20:45,390 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 15:20:45,390 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 15:20:45,402 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:20:45" (1/1) ... [2020-07-07 15:20:45,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:20:45" (1/1) ... [2020-07-07 15:20:45,439 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:20:45" (1/1) ... [2020-07-07 15:20:45,440 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:20:45" (1/1) ... [2020-07-07 15:20:45,469 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:20:45" (1/1) ... [2020-07-07 15:20:45,480 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:20:45" (1/1) ... [2020-07-07 15:20:45,484 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:20:45" (1/1) ... [2020-07-07 15:20:45,492 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 15:20:45,492 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 15:20:45,493 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 15:20:45,493 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 15:20:45,494 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:20:45" (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 [2020-07-07 15:20:45,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 15:20:45,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 15:20:45,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 15:20:45,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 15:20:45,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 15:20:45,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 15:20:45,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 15:20:45,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 15:20:45,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 15:20:45,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 15:20:45,558 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 15:20:45,558 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 15:20:45,558 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 15:20:45,558 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 15:20:45,558 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 15:20:45,559 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 15:20:45,559 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 15:20:45,559 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 15:20:45,560 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-07 15:20:45,560 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-07 15:20:45,561 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-07 15:20:45,561 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 15:20:45,563 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 15:20:45,563 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 15:20:45,564 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 15:20:45,564 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 15:20:45,564 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 15:20:45,564 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 15:20:45,564 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-07 15:20:45,564 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 15:20:45,564 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 15:20:45,565 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 15:20:45,565 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 15:20:45,565 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 15:20:45,565 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 15:20:45,565 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 15:20:45,565 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 15:20:45,565 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 15:20:45,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-07 15:20:45,566 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 15:20:45,566 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 15:20:45,566 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 15:20:45,566 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 15:20:45,566 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 15:20:45,567 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 15:20:45,567 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 15:20:45,567 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 15:20:45,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 15:20:45,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 15:20:45,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 15:20:45,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 15:20:45,568 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 15:20:45,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 15:20:45,568 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 15:20:45,569 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 15:20:45,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 15:20:45,569 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 15:20:45,569 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 15:20:45,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 15:20:45,569 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 15:20:45,569 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 15:20:45,570 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 15:20:45,570 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 15:20:45,570 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-07 15:20:45,570 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 15:20:45,570 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 15:20:45,570 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 15:20:45,570 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 15:20:45,571 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 15:20:45,571 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-07 15:20:45,571 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-07 15:20:45,571 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-07 15:20:45,571 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 15:20:45,571 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 15:20:45,571 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-07 15:20:45,572 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 15:20:45,572 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 15:20:45,572 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 15:20:45,573 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 15:20:45,573 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 15:20:45,574 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 15:20:45,574 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 15:20:45,574 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 15:20:45,574 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 15:20:45,574 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 15:20:45,574 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 15:20:45,575 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 15:20:45,576 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 15:20:45,576 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 15:20:45,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 15:20:45,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 15:20:45,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 15:20:46,751 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 15:20:46,751 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 15:20:46,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 03:20:46 BoogieIcfgContainer [2020-07-07 15:20:46,758 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 15:20:46,759 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 15:20:46,759 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 15:20:46,763 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 15:20:46,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 03:20:44" (1/3) ... [2020-07-07 15:20:46,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@775f6fb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 03:20:46, skipping insertion in model container [2020-07-07 15:20:46,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:20:45" (2/3) ... [2020-07-07 15:20:46,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@775f6fb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 03:20:46, skipping insertion in model container [2020-07-07 15:20:46,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 03:20:46" (3/3) ... [2020-07-07 15:20:46,766 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product36.cil.c [2020-07-07 15:20:46,777 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-07 15:20:46,785 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 15:20:46,798 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 15:20:46,820 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 15:20:46,820 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 15:20:46,820 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-07 15:20:46,820 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 15:20:46,821 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 15:20:46,821 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 15:20:46,821 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 15:20:46,821 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 15:20:46,841 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states. [2020-07-07 15:20:46,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-07-07 15:20:46,862 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 15:20:46,863 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 15:20:46,864 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 15:20:46,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 15:20:46,870 INFO L82 PathProgramCache]: Analyzing trace with hash -578069207, now seen corresponding path program 1 times [2020-07-07 15:20:46,879 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 15:20:46,879 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1652810586] [2020-07-07 15:20:46,880 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 15:20:46,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 15:20:46,969 FATAL L206 atingTraceCheckCraig]: Solver crashed with UnsupportedOperationException whose message is null [2020-07-07 15:20:46,970 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:391) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:385) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:332) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:332) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:191) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:166) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:337) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:239) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-07 15:20:46,975 INFO L168 Benchmark]: Toolchain (without parser) took 2310.71 ms. Allocated memory was 137.4 MB in the beginning and 233.3 MB in the end (delta: 95.9 MB). Free memory was 100.7 MB in the beginning and 153.2 MB in the end (delta: -52.5 MB). Peak memory consumption was 43.4 MB. Max. memory is 7.1 GB. [2020-07-07 15:20:46,976 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 137.4 MB. Free memory was 119.5 MB in the beginning and 119.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 15:20:46,977 INFO L168 Benchmark]: CACSL2BoogieTranslator took 724.46 ms. Allocated memory was 137.4 MB in the beginning and 202.4 MB in the end (delta: 65.0 MB). Free memory was 100.5 MB in the beginning and 172.5 MB in the end (delta: -72.0 MB). Peak memory consumption was 30.1 MB. Max. memory is 7.1 GB. [2020-07-07 15:20:46,979 INFO L168 Benchmark]: Boogie Preprocessor took 101.94 ms. Allocated memory is still 202.4 MB. Free memory was 172.5 MB in the beginning and 168.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-07 15:20:46,980 INFO L168 Benchmark]: RCFGBuilder took 1265.88 ms. Allocated memory was 202.4 MB in the beginning and 233.3 MB in the end (delta: 30.9 MB). Free memory was 167.6 MB in the beginning and 177.9 MB in the end (delta: -10.3 MB). Peak memory consumption was 87.3 MB. Max. memory is 7.1 GB. [2020-07-07 15:20:46,981 INFO L168 Benchmark]: TraceAbstraction took 213.25 ms. Allocated memory is still 233.3 MB. Free memory was 177.9 MB in the beginning and 153.2 MB in the end (delta: 24.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. [2020-07-07 15:20:46,985 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 137.4 MB. Free memory was 119.5 MB in the beginning and 119.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 724.46 ms. Allocated memory was 137.4 MB in the beginning and 202.4 MB in the end (delta: 65.0 MB). Free memory was 100.5 MB in the beginning and 172.5 MB in the end (delta: -72.0 MB). Peak memory consumption was 30.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.94 ms. Allocated memory is still 202.4 MB. Free memory was 172.5 MB in the beginning and 168.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1265.88 ms. Allocated memory was 202.4 MB in the beginning and 233.3 MB in the end (delta: 30.9 MB). Free memory was 167.6 MB in the beginning and 177.9 MB in the end (delta: -10.3 MB). Peak memory consumption was 87.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 213.25 ms. Allocated memory is still 233.3 MB. Free memory was 177.9 MB in the beginning and 153.2 MB in the end (delta: 24.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: null: de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:391) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...