/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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_spec2_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-89f541c [2020-08-28 03:15:05,982 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-28 03:15:05,986 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-28 03:15:06,013 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-28 03:15:06,013 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-28 03:15:06,015 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-28 03:15:06,016 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-28 03:15:06,018 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-28 03:15:06,020 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-28 03:15:06,021 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-28 03:15:06,022 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-28 03:15:06,024 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-28 03:15:06,024 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-28 03:15:06,025 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-28 03:15:06,027 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-28 03:15:06,028 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-28 03:15:06,029 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-28 03:15:06,030 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-28 03:15:06,032 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-28 03:15:06,038 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-28 03:15:06,040 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-28 03:15:06,041 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-28 03:15:06,045 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-28 03:15:06,046 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-28 03:15:06,048 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-28 03:15:06,049 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-28 03:15:06,049 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-28 03:15:06,050 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-28 03:15:06,051 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-28 03:15:06,052 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-28 03:15:06,052 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-28 03:15:06,053 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-28 03:15:06,054 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-28 03:15:06,055 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-28 03:15:06,056 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-28 03:15:06,056 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-28 03:15:06,057 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-28 03:15:06,057 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-28 03:15:06,058 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-28 03:15:06,059 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-28 03:15:06,059 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-28 03:15:06,060 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 03:15:06,088 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-28 03:15:06,088 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-28 03:15:06,089 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-28 03:15:06,090 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-28 03:15:06,090 INFO L138 SettingsManager]: * Use SBE=true [2020-08-28 03:15:06,090 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-28 03:15:06,090 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-28 03:15:06,091 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-28 03:15:06,091 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-28 03:15:06,091 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-28 03:15:06,091 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-28 03:15:06,091 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-28 03:15:06,092 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-28 03:15:06,092 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-28 03:15:06,092 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-28 03:15:06,092 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-28 03:15:06,092 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-28 03:15:06,093 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-28 03:15:06,093 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-28 03:15:06,093 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-28 03:15:06,093 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-28 03:15:06,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-28 03:15:06,094 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-28 03:15:06,094 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-28 03:15:06,094 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-28 03:15:06,094 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-28 03:15:06,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-28 03:15:06,095 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-28 03:15:06,095 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-28 03:15:06,095 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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; [2020-08-28 03:15:06,593 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-28 03:15:06,648 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-28 03:15:06,657 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-28 03:15:06,662 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-28 03:15:06,664 INFO L275 PluginConnector]: CDTParser initialized [2020-08-28 03:15:06,667 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product25.cil.c [2020-08-28 03:15:06,779 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a66cd2203/4040d4c82fc445caa78a59c5cd746298/FLAGbb0a89554 [2020-08-28 03:15:07,444 INFO L306 CDTParser]: Found 1 translation units. [2020-08-28 03:15:07,445 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product25.cil.c [2020-08-28 03:15:07,460 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a66cd2203/4040d4c82fc445caa78a59c5cd746298/FLAGbb0a89554 [2020-08-28 03:15:07,714 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a66cd2203/4040d4c82fc445caa78a59c5cd746298 [2020-08-28 03:15:07,729 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-28 03:15:07,731 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-28 03:15:07,732 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-28 03:15:07,732 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-28 03:15:07,736 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-28 03:15:07,738 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.08 03:15:07" (1/1) ... [2020-08-28 03:15:07,742 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@445b6256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 03:15:07, skipping insertion in model container [2020-08-28 03:15:07,742 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.08 03:15:07" (1/1) ... [2020-08-28 03:15:07,751 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-28 03:15:07,829 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-28 03:15:08,229 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-28 03:15:08,247 INFO L203 MainTranslator]: Completed pre-run [2020-08-28 03:15:08,426 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-28 03:15:08,467 INFO L208 MainTranslator]: Completed translation [2020-08-28 03:15:08,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 03:15:08 WrapperNode [2020-08-28 03:15:08,467 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-28 03:15:08,468 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-28 03:15:08,468 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-28 03:15:08,468 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-28 03:15:08,483 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 03:15:08" (1/1) ... [2020-08-28 03:15:08,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 03:15:08" (1/1) ... [2020-08-28 03:15:08,505 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 03:15:08" (1/1) ... [2020-08-28 03:15:08,506 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 03:15:08" (1/1) ... [2020-08-28 03:15:08,541 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 03:15:08" (1/1) ... [2020-08-28 03:15:08,553 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 03:15:08" (1/1) ... [2020-08-28 03:15:08,558 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 03:15:08" (1/1) ... [2020-08-28 03:15:08,566 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-28 03:15:08,567 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-28 03:15:08,567 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-28 03:15:08,568 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-28 03:15:08,569 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 03:15:08" (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 03:15:08,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-28 03:15:08,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-28 03:15:08,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-28 03:15:08,694 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-28 03:15:08,694 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-28 03:15:08,695 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-28 03:15:08,695 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-28 03:15:08,696 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-28 03:15:08,696 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-28 03:15:08,697 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-28 03:15:08,697 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-28 03:15:08,697 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-28 03:15:08,697 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-28 03:15:08,698 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-28 03:15:08,698 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-28 03:15:08,699 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-28 03:15:08,699 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-08-28 03:15:08,699 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-28 03:15:08,700 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-28 03:15:08,700 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-28 03:15:08,700 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-28 03:15:08,701 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-28 03:15:08,701 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-28 03:15:08,701 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-28 03:15:08,702 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-28 03:15:08,703 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-28 03:15:08,703 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-28 03:15:08,703 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-28 03:15:08,704 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-28 03:15:08,704 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-28 03:15:08,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-28 03:15:08,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-08-28 03:15:08,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-08-28 03:15:08,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-28 03:15:08,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-28 03:15:08,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-28 03:15:08,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-28 03:15:08,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-28 03:15:08,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-28 03:15:08,705 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-28 03:15:08,706 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-28 03:15:08,706 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-28 03:15:08,706 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-28 03:15:08,706 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-28 03:15:08,707 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-28 03:15:08,707 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-28 03:15:08,707 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-28 03:15:08,707 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-28 03:15:08,708 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-28 03:15:08,708 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-08-28 03:15:08,709 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-28 03:15:08,709 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-28 03:15:08,709 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-28 03:15:08,709 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-28 03:15:08,710 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-28 03:15:08,710 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-28 03:15:08,710 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-28 03:15:08,710 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-28 03:15:08,711 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-28 03:15:08,711 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-28 03:15:08,711 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-28 03:15:08,711 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-28 03:15:08,711 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-28 03:15:08,712 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-28 03:15:08,712 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-08-28 03:15:08,712 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-28 03:15:08,712 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-28 03:15:08,712 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-28 03:15:08,713 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-08-28 03:15:08,713 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-28 03:15:08,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-28 03:15:08,714 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-28 03:15:08,715 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-28 03:15:08,715 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-28 03:15:08,715 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-28 03:15:08,716 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-28 03:15:08,716 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-28 03:15:08,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-28 03:15:08,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-28 03:15:08,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-28 03:15:08,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-28 03:15:08,717 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-28 03:15:08,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-28 03:15:08,718 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-28 03:15:08,718 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-28 03:15:08,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-28 03:15:08,719 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-28 03:15:08,719 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-28 03:15:08,719 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-28 03:15:08,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-28 03:15:08,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-28 03:15:08,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-28 03:15:11,999 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-28 03:15:12,000 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-28 03:15:12,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.08 03:15:12 BoogieIcfgContainer [2020-08-28 03:15:12,006 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-28 03:15:12,008 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-28 03:15:12,008 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-28 03:15:12,011 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-28 03:15:12,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.08 03:15:07" (1/3) ... [2020-08-28 03:15:12,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15521df0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.08 03:15:12, skipping insertion in model container [2020-08-28 03:15:12,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 03:15:08" (2/3) ... [2020-08-28 03:15:12,014 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15521df0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.08 03:15:12, skipping insertion in model container [2020-08-28 03:15:12,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.08 03:15:12" (3/3) ... [2020-08-28 03:15:12,016 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product25.cil.c [2020-08-28 03:15:12,028 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-28 03:15:12,039 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-28 03:15:12,061 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-28 03:15:12,092 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-28 03:15:12,092 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-28 03:15:12,092 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-28 03:15:12,092 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-28 03:15:12,093 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-28 03:15:12,093 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-28 03:15:12,093 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-28 03:15:12,093 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-28 03:15:12,118 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states. [2020-08-28 03:15:12,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-28 03:15:12,130 INFO L414 BasicCegarLoop]: Found error trace [2020-08-28 03:15:12,131 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] [2020-08-28 03:15:12,131 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-28 03:15:12,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-28 03:15:12,140 INFO L82 PathProgramCache]: Analyzing trace with hash 360322955, now seen corresponding path program 1 times [2020-08-28 03:15:12,151 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-28 03:15:12,152 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2057930124] [2020-08-28 03:15:12,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-28 03:15:12,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-28 03:15:12,456 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-28 03:15:12,457 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 03:15:12,465 INFO L168 Benchmark]: Toolchain (without parser) took 4731.89 ms. Allocated memory was 138.4 MB in the beginning and 232.3 MB in the end (delta: 93.8 MB). Free memory was 101.0 MB in the beginning and 179.5 MB in the end (delta: -78.6 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. [2020-08-28 03:15:12,466 INFO L168 Benchmark]: CDTParser took 0.87 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-28 03:15:12,468 INFO L168 Benchmark]: CACSL2BoogieTranslator took 735.81 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 100.7 MB in the beginning and 171.3 MB in the end (delta: -70.6 MB). Peak memory consumption was 28.4 MB. Max. memory is 7.1 GB. [2020-08-28 03:15:12,469 INFO L168 Benchmark]: Boogie Preprocessor took 98.68 ms. Allocated memory is still 201.9 MB. Free memory was 171.3 MB in the beginning and 167.7 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. [2020-08-28 03:15:12,470 INFO L168 Benchmark]: RCFGBuilder took 3439.33 ms. Allocated memory was 201.9 MB in the beginning and 232.3 MB in the end (delta: 30.4 MB). Free memory was 167.7 MB in the beginning and 200.0 MB in the end (delta: -32.2 MB). Peak memory consumption was 88.6 MB. Max. memory is 7.1 GB. [2020-08-28 03:15:12,471 INFO L168 Benchmark]: TraceAbstraction took 452.86 ms. Allocated memory is still 232.3 MB. Free memory was 200.0 MB in the beginning and 179.5 MB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2020-08-28 03:15:12,475 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.87 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 735.81 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 100.7 MB in the beginning and 171.3 MB in the end (delta: -70.6 MB). Peak memory consumption was 28.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 98.68 ms. Allocated memory is still 201.9 MB. Free memory was 171.3 MB in the beginning and 167.7 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3439.33 ms. Allocated memory was 201.9 MB in the beginning and 232.3 MB in the end (delta: 30.4 MB). Free memory was 167.7 MB in the beginning and 200.0 MB in the end (delta: -32.2 MB). Peak memory consumption was 88.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 452.86 ms. Allocated memory is still 232.3 MB. Free memory was 200.0 MB in the beginning and 179.5 MB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 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...