/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.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-89f541c [2020-08-28 05:38:02,183 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-28 05:38:02,187 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-28 05:38:02,232 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-28 05:38:02,234 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-28 05:38:02,242 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-28 05:38:02,244 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-28 05:38:02,248 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-28 05:38:02,251 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-28 05:38:02,254 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-28 05:38:02,255 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-28 05:38:02,256 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-28 05:38:02,257 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-28 05:38:02,260 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-28 05:38:02,262 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-28 05:38:02,264 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-28 05:38:02,266 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-28 05:38:02,267 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-28 05:38:02,269 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-28 05:38:02,279 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-28 05:38:02,282 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-28 05:38:02,283 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-28 05:38:02,284 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-28 05:38:02,285 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-28 05:38:02,297 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-28 05:38:02,297 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-28 05:38:02,298 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-28 05:38:02,304 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-28 05:38:02,305 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-28 05:38:02,306 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-28 05:38:02,306 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-28 05:38:02,310 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-28 05:38:02,311 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-28 05:38:02,312 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-28 05:38:02,316 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-28 05:38:02,316 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-28 05:38:02,317 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-28 05:38:02,317 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-28 05:38:02,318 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-28 05:38:02,319 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-28 05:38:02,320 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-28 05:38:02,322 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-28 05:38:02,368 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-28 05:38:02,368 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-28 05:38:02,370 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-28 05:38:02,371 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-28 05:38:02,371 INFO L138 SettingsManager]: * Use SBE=true [2020-08-28 05:38:02,371 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-28 05:38:02,372 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-28 05:38:02,372 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-28 05:38:02,372 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-28 05:38:02,372 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-28 05:38:02,373 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-28 05:38:02,373 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-28 05:38:02,374 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-28 05:38:02,374 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-28 05:38:02,374 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-28 05:38:02,375 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-28 05:38:02,375 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-28 05:38:02,375 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-28 05:38:02,375 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-28 05:38:02,375 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-28 05:38:02,376 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-28 05:38:02,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-28 05:38:02,376 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-28 05:38:02,377 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-28 05:38:02,377 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-28 05:38:02,377 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-28 05:38:02,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-28 05:38:02,377 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-28 05:38:02,378 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-28 05:38:02,378 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; [2020-08-28 05:38:02,829 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-28 05:38:02,846 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-28 05:38:02,851 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-28 05:38:02,852 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-28 05:38:02,853 INFO L275 PluginConnector]: CDTParser initialized [2020-08-28 05:38:02,854 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product29.cil.c [2020-08-28 05:38:02,936 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2652ba356/887cf6ad49a44dce83e320f44f011e3b/FLAG2c4437e5d [2020-08-28 05:38:03,602 INFO L306 CDTParser]: Found 1 translation units. [2020-08-28 05:38:03,603 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product29.cil.c [2020-08-28 05:38:03,618 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2652ba356/887cf6ad49a44dce83e320f44f011e3b/FLAG2c4437e5d [2020-08-28 05:38:03,810 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2652ba356/887cf6ad49a44dce83e320f44f011e3b [2020-08-28 05:38:03,823 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-28 05:38:03,825 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-28 05:38:03,826 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-28 05:38:03,827 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-28 05:38:03,830 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-28 05:38:03,831 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.08 05:38:03" (1/1) ... [2020-08-28 05:38:03,835 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7860f65f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:38:03, skipping insertion in model container [2020-08-28 05:38:03,835 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.08 05:38:03" (1/1) ... [2020-08-28 05:38:03,843 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-28 05:38:03,924 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-28 05:38:04,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-28 05:38:04,395 INFO L203 MainTranslator]: Completed pre-run [2020-08-28 05:38:04,551 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-28 05:38:04,594 INFO L208 MainTranslator]: Completed translation [2020-08-28 05:38:04,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:38:04 WrapperNode [2020-08-28 05:38:04,595 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-28 05:38:04,595 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-28 05:38:04,596 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-28 05:38:04,596 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-28 05:38:04,611 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:38:04" (1/1) ... [2020-08-28 05:38:04,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:38:04" (1/1) ... [2020-08-28 05:38:04,648 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:38:04" (1/1) ... [2020-08-28 05:38:04,649 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:38:04" (1/1) ... [2020-08-28 05:38:04,704 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:38:04" (1/1) ... [2020-08-28 05:38:04,715 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:38:04" (1/1) ... [2020-08-28 05:38:04,720 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:38:04" (1/1) ... [2020-08-28 05:38:04,728 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-28 05:38:04,729 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-28 05:38:04,729 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-28 05:38:04,729 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-28 05:38:04,730 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:38:04" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-08-28 05:38:04,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-28 05:38:04,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-28 05:38:04,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-28 05:38:04,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-08-28 05:38:04,834 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-28 05:38:04,834 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-28 05:38:04,834 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-28 05:38:04,834 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-28 05:38:04,835 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-28 05:38:04,836 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-28 05:38:04,836 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-28 05:38:04,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-28 05:38:04,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-28 05:38:04,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-28 05:38:04,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-28 05:38:04,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-28 05:38:04,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-28 05:38:04,838 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-28 05:38:04,839 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-28 05:38:04,839 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-28 05:38:04,839 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-28 05:38:04,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-28 05:38:04,840 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-28 05:38:04,840 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-28 05:38:04,840 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-28 05:38:04,841 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-28 05:38:04,842 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-28 05:38:04,842 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-28 05:38:04,842 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-28 05:38:04,842 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-08-28 05:38:04,842 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-28 05:38:04,842 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-08-28 05:38:04,843 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-28 05:38:04,843 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-28 05:38:04,843 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-28 05:38:04,843 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-28 05:38:04,843 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-28 05:38:04,843 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-28 05:38:04,844 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-28 05:38:04,844 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-28 05:38:04,844 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-28 05:38:04,844 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-28 05:38:04,844 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-28 05:38:04,844 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-28 05:38:04,845 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-28 05:38:04,845 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-28 05:38:04,845 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-08-28 05:38:04,845 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-28 05:38:04,845 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-28 05:38:04,845 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-28 05:38:04,846 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-28 05:38:04,846 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-28 05:38:04,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-28 05:38:04,846 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-28 05:38:04,847 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-28 05:38:04,847 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-28 05:38:04,847 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-28 05:38:04,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-28 05:38:04,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-28 05:38:04,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-28 05:38:04,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-28 05:38:04,848 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-28 05:38:04,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-28 05:38:04,849 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-28 05:38:04,849 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-28 05:38:04,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-28 05:38:04,849 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-28 05:38:04,849 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-28 05:38:04,850 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-28 05:38:04,850 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-28 05:38:04,850 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-28 05:38:04,851 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-28 05:38:04,852 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-28 05:38:04,852 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-28 05:38:04,852 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-28 05:38:04,853 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-28 05:38:04,854 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-28 05:38:04,854 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-28 05:38:04,854 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-28 05:38:04,854 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-28 05:38:04,854 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-28 05:38:04,854 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-28 05:38:04,855 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-28 05:38:04,856 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-28 05:38:04,856 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-28 05:38:04,856 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-28 05:38:04,856 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-08-28 05:38:04,856 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-28 05:38:04,856 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-08-28 05:38:04,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-28 05:38:04,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-28 05:38:04,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-28 05:38:06,030 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-28 05:38:06,030 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-28 05:38:06,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.08 05:38:06 BoogieIcfgContainer [2020-08-28 05:38:06,041 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-28 05:38:06,043 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-28 05:38:06,043 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-28 05:38:06,047 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-28 05:38:06,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.08 05:38:03" (1/3) ... [2020-08-28 05:38:06,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fc83ba9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.08 05:38:06, skipping insertion in model container [2020-08-28 05:38:06,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:38:04" (2/3) ... [2020-08-28 05:38:06,049 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fc83ba9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.08 05:38:06, skipping insertion in model container [2020-08-28 05:38:06,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.08 05:38:06" (3/3) ... [2020-08-28 05:38:06,052 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product29.cil.c [2020-08-28 05:38:06,065 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-28 05:38:06,075 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-28 05:38:06,094 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-28 05:38:06,121 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-28 05:38:06,121 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-28 05:38:06,122 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-28 05:38:06,122 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-28 05:38:06,122 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-28 05:38:06,122 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-28 05:38:06,122 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-28 05:38:06,122 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-28 05:38:06,151 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states. [2020-08-28 05:38:06,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-28 05:38:06,164 INFO L414 BasicCegarLoop]: Found error trace [2020-08-28 05:38:06,166 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] [2020-08-28 05:38:06,166 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-28 05:38:06,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-28 05:38:06,174 INFO L82 PathProgramCache]: Analyzing trace with hash -720125183, now seen corresponding path program 1 times [2020-08-28 05:38:06,186 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-28 05:38:06,187 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [186297704] [2020-08-28 05:38:06,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-28 05:38:06,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-28 05:38:06,539 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-28 05:38:06,540 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Proof production must be enabled (you can do this via setOption). at de.uni_freiburg.informatik.ultimate.smtinterpol.muses.MusEnumerationScript.getInterpolants(MusEnumerationScript.java:211) at de.uni_freiburg.informatik.ultimate.smtinterpol.muses.MusEnumerationScript.getInterpolants(MusEnumerationScript.java:170) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) 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:326) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) 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) [2020-08-28 05:38:06,548 INFO L168 Benchmark]: Toolchain (without parser) took 2721.77 ms. Allocated memory was 141.0 MB in the beginning and 235.4 MB in the end (delta: 94.4 MB). Free memory was 103.4 MB in the beginning and 174.6 MB in the end (delta: -71.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. [2020-08-28 05:38:06,550 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.1 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-08-28 05:38:06,551 INFO L168 Benchmark]: CACSL2BoogieTranslator took 768.81 ms. Allocated memory was 141.0 MB in the beginning and 205.0 MB in the end (delta: 64.0 MB). Free memory was 103.4 MB in the beginning and 174.2 MB in the end (delta: -70.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. [2020-08-28 05:38:06,552 INFO L168 Benchmark]: Boogie Preprocessor took 132.88 ms. Allocated memory is still 205.0 MB. Free memory was 174.2 MB in the beginning and 170.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-08-28 05:38:06,553 INFO L168 Benchmark]: RCFGBuilder took 1312.14 ms. Allocated memory was 205.0 MB in the beginning and 235.4 MB in the end (delta: 30.4 MB). Free memory was 170.2 MB in the beginning and 194.4 MB in the end (delta: -24.2 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. [2020-08-28 05:38:06,554 INFO L168 Benchmark]: TraceAbstraction took 501.73 ms. Allocated memory is still 235.4 MB. Free memory was 194.4 MB in the beginning and 174.6 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. [2020-08-28 05:38:06,559 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.1 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 768.81 ms. Allocated memory was 141.0 MB in the beginning and 205.0 MB in the end (delta: 64.0 MB). Free memory was 103.4 MB in the beginning and 174.2 MB in the end (delta: -70.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 132.88 ms. Allocated memory is still 205.0 MB. Free memory was 174.2 MB in the beginning and 170.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1312.14 ms. Allocated memory was 205.0 MB in the beginning and 235.4 MB in the end (delta: 30.4 MB). Free memory was 170.2 MB in the beginning and 194.4 MB in the end (delta: -24.2 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 501.73 ms. Allocated memory is still 235.4 MB. Free memory was 194.4 MB in the beginning and 174.6 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Proof production must be enabled (you can do this via setOption). de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Proof production must be enabled (you can do this via setOption).: de.uni_freiburg.informatik.ultimate.smtinterpol.muses.MusEnumerationScript.getInterpolants(MusEnumerationScript.java:211) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...