/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=0.2 --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_spec4_product07.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-89f541c [2020-08-28 05:14:30,952 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-28 05:14:30,956 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-28 05:14:31,003 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-28 05:14:31,005 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-28 05:14:31,016 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-28 05:14:31,018 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-28 05:14:31,020 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-28 05:14:31,022 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-28 05:14:31,025 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-28 05:14:31,026 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-28 05:14:31,028 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-28 05:14:31,028 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-28 05:14:31,033 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-28 05:14:31,036 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-28 05:14:31,038 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-28 05:14:31,039 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-28 05:14:31,042 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-28 05:14:31,045 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-28 05:14:31,052 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-28 05:14:31,055 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-28 05:14:31,057 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-28 05:14:31,058 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-28 05:14:31,059 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-28 05:14:31,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-28 05:14:31,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-28 05:14:31,065 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-28 05:14:31,068 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-28 05:14:31,069 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-28 05:14:31,070 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-28 05:14:31,070 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-28 05:14:31,071 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-28 05:14:31,072 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-28 05:14:31,073 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-28 05:14:31,074 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-28 05:14:31,075 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-28 05:14:31,076 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-28 05:14:31,076 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-28 05:14:31,076 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-28 05:14:31,077 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-28 05:14:31,079 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-28 05:14:31,080 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 05:14:31,129 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-28 05:14:31,130 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-28 05:14:31,131 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-28 05:14:31,131 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-28 05:14:31,132 INFO L138 SettingsManager]: * Use SBE=true [2020-08-28 05:14:31,132 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-28 05:14:31,132 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-28 05:14:31,132 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-28 05:14:31,133 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-28 05:14:31,133 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-28 05:14:31,133 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-28 05:14:31,133 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-28 05:14:31,133 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-28 05:14:31,134 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-28 05:14:31,134 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-28 05:14:31,134 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-28 05:14:31,134 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-28 05:14:31,135 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-28 05:14:31,135 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-28 05:14:31,135 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-28 05:14:31,135 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-28 05:14:31,135 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-28 05:14:31,136 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-28 05:14:31,136 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-28 05:14:31,136 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-28 05:14:31,136 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-28 05:14:31,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-28 05:14:31,137 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-28 05:14:31,137 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-28 05:14:31,137 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=0.2;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=0.2;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=0.2;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=0.2;log-additional-information=true; [2020-08-28 05:14:31,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-28 05:14:31,648 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-28 05:14:31,655 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-28 05:14:31,657 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-28 05:14:31,657 INFO L275 PluginConnector]: CDTParser initialized [2020-08-28 05:14:31,659 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product07.cil.c [2020-08-28 05:14:31,753 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bb0b2bf75/472c9451f5d74c17a996433436b75709/FLAG7a42e2fd3 [2020-08-28 05:14:32,363 INFO L306 CDTParser]: Found 1 translation units. [2020-08-28 05:14:32,364 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product07.cil.c [2020-08-28 05:14:32,389 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bb0b2bf75/472c9451f5d74c17a996433436b75709/FLAG7a42e2fd3 [2020-08-28 05:14:32,664 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bb0b2bf75/472c9451f5d74c17a996433436b75709 [2020-08-28 05:14:32,677 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-28 05:14:32,680 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-28 05:14:32,681 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-28 05:14:32,681 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-28 05:14:32,686 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-28 05:14:32,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.08 05:14:32" (1/1) ... [2020-08-28 05:14:32,693 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@694adced and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:14:32, skipping insertion in model container [2020-08-28 05:14:32,694 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.08 05:14:32" (1/1) ... [2020-08-28 05:14:32,703 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-28 05:14:32,765 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-28 05:14:33,161 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-28 05:14:33,177 INFO L203 MainTranslator]: Completed pre-run [2020-08-28 05:14:33,386 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-28 05:14:33,423 INFO L208 MainTranslator]: Completed translation [2020-08-28 05:14:33,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:14:33 WrapperNode [2020-08-28 05:14:33,424 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-28 05:14:33,425 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-28 05:14:33,425 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-28 05:14:33,425 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-28 05:14:33,442 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:14:33" (1/1) ... [2020-08-28 05:14:33,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:14:33" (1/1) ... [2020-08-28 05:14:33,464 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:14:33" (1/1) ... [2020-08-28 05:14:33,465 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:14:33" (1/1) ... [2020-08-28 05:14:33,498 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:14:33" (1/1) ... [2020-08-28 05:14:33,509 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:14:33" (1/1) ... [2020-08-28 05:14:33,515 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:14:33" (1/1) ... [2020-08-28 05:14:33,523 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-28 05:14:33,524 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-28 05:14:33,524 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-28 05:14:33,524 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-28 05:14:33,525 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:14:33" (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 05:14:33,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-28 05:14:33,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-28 05:14:33,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-28 05:14:33,632 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-28 05:14:33,632 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-28 05:14:33,632 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-28 05:14:33,632 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-28 05:14:33,632 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-28 05:14:33,632 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-28 05:14:33,634 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-28 05:14:33,634 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-28 05:14:33,634 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-28 05:14:33,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-28 05:14:33,634 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-28 05:14:33,634 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-28 05:14:33,636 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-28 05:14:33,636 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-28 05:14:33,636 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-28 05:14:33,636 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-28 05:14:33,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-08-28 05:14:33,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-28 05:14:33,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-28 05:14:33,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-28 05:14:33,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-28 05:14:33,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-28 05:14:33,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-28 05:14:33,639 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-28 05:14:33,639 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-28 05:14:33,639 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-28 05:14:33,639 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-28 05:14:33,639 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-28 05:14:33,640 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-28 05:14:33,640 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-28 05:14:33,640 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-28 05:14:33,640 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-28 05:14:33,640 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-28 05:14:33,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-28 05:14:33,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-28 05:14:33,641 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-28 05:14:33,641 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-28 05:14:33,641 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-28 05:14:33,641 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-28 05:14:33,641 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-28 05:14:33,642 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-28 05:14:33,642 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-28 05:14:33,642 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-28 05:14:33,642 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-28 05:14:33,642 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-28 05:14:33,642 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-28 05:14:33,643 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-28 05:14:33,643 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-28 05:14:33,643 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-28 05:14:33,643 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-28 05:14:33,644 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-28 05:14:33,644 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-28 05:14:33,644 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-28 05:14:33,644 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-28 05:14:33,645 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-28 05:14:33,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-28 05:14:33,645 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-28 05:14:33,645 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-08-28 05:14:33,645 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-28 05:14:33,645 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-28 05:14:33,646 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-28 05:14:33,646 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-28 05:14:33,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-28 05:14:33,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-28 05:14:33,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-28 05:14:33,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-28 05:14:33,646 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-28 05:14:33,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-28 05:14:33,647 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-28 05:14:33,648 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-28 05:14:33,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-28 05:14:33,649 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-28 05:14:33,650 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-28 05:14:33,650 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-28 05:14:33,650 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-28 05:14:33,650 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-28 05:14:33,650 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-28 05:14:33,650 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-28 05:14:33,651 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-28 05:14:33,651 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-28 05:14:33,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-28 05:14:33,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-28 05:14:33,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-28 05:14:34,822 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-28 05:14:34,823 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-28 05:14:34,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.08 05:14:34 BoogieIcfgContainer [2020-08-28 05:14:34,834 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-28 05:14:34,835 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-28 05:14:34,836 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-28 05:14:34,839 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-28 05:14:34,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.08 05:14:32" (1/3) ... [2020-08-28 05:14:34,841 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17724028 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.08 05:14:34, skipping insertion in model container [2020-08-28 05:14:34,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:14:33" (2/3) ... [2020-08-28 05:14:34,842 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17724028 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.08 05:14:34, skipping insertion in model container [2020-08-28 05:14:34,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.08 05:14:34" (3/3) ... [2020-08-28 05:14:34,845 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product07.cil.c [2020-08-28 05:14:34,857 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-28 05:14:34,868 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-28 05:14:34,888 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-28 05:14:34,916 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-28 05:14:34,916 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-28 05:14:34,916 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-28 05:14:34,916 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-28 05:14:34,917 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-28 05:14:34,917 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-28 05:14:34,917 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-28 05:14:34,917 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-28 05:14:34,950 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2020-08-28 05:14:34,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-28 05:14:34,962 INFO L414 BasicCegarLoop]: Found error trace [2020-08-28 05:14:34,963 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] [2020-08-28 05:14:34,964 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-28 05:14:34,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-28 05:14:34,972 INFO L82 PathProgramCache]: Analyzing trace with hash 1908164491, now seen corresponding path program 1 times [2020-08-28 05:14:34,983 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-28 05:14:34,983 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [261142894] [2020-08-28 05:14:34,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-28 05:14:35,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-28 05:14:35,266 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-28 05:14:35,267 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 05:14:35,276 INFO L168 Benchmark]: Toolchain (without parser) took 2594.95 ms. Allocated memory was 143.1 MB in the beginning and 235.4 MB in the end (delta: 92.3 MB). Free memory was 100.8 MB in the beginning and 180.9 MB in the end (delta: -80.1 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. [2020-08-28 05:14:35,278 INFO L168 Benchmark]: CDTParser took 0.80 ms. Allocated memory is still 143.1 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-28 05:14:35,281 INFO L168 Benchmark]: CACSL2BoogieTranslator took 743.41 ms. Allocated memory was 143.1 MB in the beginning and 203.9 MB in the end (delta: 60.8 MB). Free memory was 100.6 MB in the beginning and 174.4 MB in the end (delta: -73.9 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2020-08-28 05:14:35,282 INFO L168 Benchmark]: Boogie Preprocessor took 98.69 ms. Allocated memory is still 203.9 MB. Free memory was 174.4 MB in the beginning and 170.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-08-28 05:14:35,284 INFO L168 Benchmark]: RCFGBuilder took 1310.05 ms. Allocated memory was 203.9 MB in the beginning and 235.4 MB in the end (delta: 31.5 MB). Free memory was 170.2 MB in the beginning and 200.6 MB in the end (delta: -30.4 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2020-08-28 05:14:35,285 INFO L168 Benchmark]: TraceAbstraction took 436.61 ms. Allocated memory is still 235.4 MB. Free memory was 200.6 MB in the beginning and 180.9 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. [2020-08-28 05:14:35,296 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80 ms. Allocated memory is still 143.1 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 743.41 ms. Allocated memory was 143.1 MB in the beginning and 203.9 MB in the end (delta: 60.8 MB). Free memory was 100.6 MB in the beginning and 174.4 MB in the end (delta: -73.9 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 98.69 ms. Allocated memory is still 203.9 MB. Free memory was 174.4 MB in the beginning and 170.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1310.05 ms. Allocated memory was 203.9 MB in the beginning and 235.4 MB in the end (delta: 31.5 MB). Free memory was 170.2 MB in the beginning and 200.6 MB in the end (delta: -30.4 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 436.61 ms. Allocated memory is still 235.4 MB. Free memory was 200.6 MB in the beginning and 180.9 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...