/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=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --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_spec1_product12.cil.c


--------------------------------------------------------------------------------


This is Ultimate 0.1.25-89f541c
[2020-08-27 23:41:09,729 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-08-27 23:41:09,733 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-08-27 23:41:09,788 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-08-27 23:41:09,789 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-08-27 23:41:09,802 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-08-27 23:41:09,804 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-08-27 23:41:09,807 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-08-27 23:41:09,810 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-08-27 23:41:09,814 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-08-27 23:41:09,815 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-08-27 23:41:09,818 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-08-27 23:41:09,818 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-08-27 23:41:09,821 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-08-27 23:41:09,824 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-08-27 23:41:09,826 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-08-27 23:41:09,827 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-08-27 23:41:09,829 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-08-27 23:41:09,831 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-08-27 23:41:09,839 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-08-27 23:41:09,842 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-08-27 23:41:09,843 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-08-27 23:41:09,845 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-08-27 23:41:09,846 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-08-27 23:41:09,850 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-08-27 23:41:09,851 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-08-27 23:41:09,851 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-08-27 23:41:09,854 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-08-27 23:41:09,855 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-08-27 23:41:09,859 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-08-27 23:41:09,859 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-08-27 23:41:09,860 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-08-27 23:41:09,861 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-08-27 23:41:09,862 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-08-27 23:41:09,864 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-08-27 23:41:09,864 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-08-27 23:41:09,865 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-08-27 23:41:09,865 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-08-27 23:41:09,865 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-08-27 23:41:09,866 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-08-27 23:41:09,868 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-08-27 23:41:09,869 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
[2020-08-27 23:41:09,920 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-08-27 23:41:09,920 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-08-27 23:41:09,923 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-08-27 23:41:09,923 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-08-27 23:41:09,923 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-08-27 23:41:09,923 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-08-27 23:41:09,924 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-08-27 23:41:09,924 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-08-27 23:41:09,924 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-08-27 23:41:09,924 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-08-27 23:41:09,925 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-08-27 23:41:09,926 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-08-27 23:41:09,926 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-08-27 23:41:09,927 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-08-27 23:41:09,927 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-08-27 23:41:09,927 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-08-27 23:41:09,927 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-08-27 23:41:09,927 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-08-27 23:41:09,928 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-08-27 23:41:09,928 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-08-27 23:41:09,928 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-08-27 23:41:09,928 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-08-27 23:41:09,929 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-08-27 23:41:09,929 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-08-27 23:41:09,929 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-08-27 23:41:09,929 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-08-27 23:41:09,929 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-08-27 23:41:09,930 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-08-27 23:41:09,930 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-08-27 23:41:09,930 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=1000;interpolation-heuristic=SMALLEST;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true;
[2020-08-27 23:41:10,804 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-08-27 23:41:10,823 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-08-27 23:41:10,828 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-08-27 23:41:10,830 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-08-27 23:41:10,831 INFO  L275        PluginConnector]: CDTParser initialized
[2020-08-27 23:41:10,832 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product12.cil.c
[2020-08-27 23:41:10,929 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4b07820e1/b086904fa0744f3a900fffc2c0da6772/FLAG2fda4d850
[2020-08-27 23:41:11,544 INFO  L306              CDTParser]: Found 1 translation units.
[2020-08-27 23:41:11,545 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product12.cil.c
[2020-08-27 23:41:11,562 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4b07820e1/b086904fa0744f3a900fffc2c0da6772/FLAG2fda4d850
[2020-08-27 23:41:11,826 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4b07820e1/b086904fa0744f3a900fffc2c0da6772
[2020-08-27 23:41:11,839 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-08-27 23:41:11,841 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-08-27 23:41:11,842 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-08-27 23:41:11,842 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-08-27 23:41:11,846 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-08-27 23:41:11,847 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 11:41:11" (1/1) ...
[2020-08-27 23:41:11,851 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27030054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:41:11, skipping insertion in model container
[2020-08-27 23:41:11,852 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 11:41:11" (1/1) ...
[2020-08-27 23:41:11,861 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-08-27 23:41:11,916 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-08-27 23:41:12,335 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-08-27 23:41:12,358 INFO  L203         MainTranslator]: Completed pre-run
[2020-08-27 23:41:12,577 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-08-27 23:41:12,614 INFO  L208         MainTranslator]: Completed translation
[2020-08-27 23:41:12,615 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:41:12 WrapperNode
[2020-08-27 23:41:12,615 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-08-27 23:41:12,616 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-08-27 23:41:12,616 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-08-27 23:41:12,616 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-08-27 23:41:12,631 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:41:12" (1/1) ...
[2020-08-27 23:41:12,632 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:41:12" (1/1) ...
[2020-08-27 23:41:12,653 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:41:12" (1/1) ...
[2020-08-27 23:41:12,654 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:41:12" (1/1) ...
[2020-08-27 23:41:12,688 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:41:12" (1/1) ...
[2020-08-27 23:41:12,710 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:41:12" (1/1) ...
[2020-08-27 23:41:12,718 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:41:12" (1/1) ...
[2020-08-27 23:41:12,726 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-08-27 23:41:12,726 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-08-27 23:41:12,726 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-08-27 23:41:12,727 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-08-27 23:41:12,728 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:41:12" (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
[2020-08-27 23:41:12,803 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-08-27 23:41:12,803 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-08-27 23:41:12,804 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-08-27 23:41:12,804 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-08-27 23:41:12,804 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-08-27 23:41:12,805 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-08-27 23:41:12,805 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base
[2020-08-27 23:41:12,805 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-08-27 23:41:12,806 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-08-27 23:41:12,807 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-08-27 23:41:12,807 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-08-27 23:41:12,807 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-08-27 23:41:12,807 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopSystem
[2020-08-27 23:41:12,807 INFO  L138     BoogieDeclarations]: Found implementation of procedure startSystem
[2020-08-27 23:41:12,807 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-08-27 23:41:12,808 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-08-27 23:41:12,808 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-08-27 23:41:12,809 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-08-27 23:41:12,809 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-08-27 23:41:12,809 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-08-27 23:41:12,809 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-08-27 23:41:12,809 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-08-27 23:41:12,809 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-08-27 23:41:12,810 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-08-27 23:41:12,810 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-08-27 23:41:12,811 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1
[2020-08-27 23:41:12,811 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-08-27 23:41:12,811 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-08-27 23:41:12,811 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-08-27 23:41:12,811 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-08-27 23:41:12,812 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-08-27 23:41:12,812 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-08-27 23:41:12,812 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-08-27 23:41:12,812 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-08-27 23:41:12,812 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-08-27 23:41:12,812 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-08-27 23:41:12,813 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-08-27 23:41:12,813 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-08-27 23:41:12,813 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-08-27 23:41:12,813 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-08-27 23:41:12,813 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-08-27 23:41:12,813 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-08-27 23:41:12,814 INFO  L130     BoogieDeclarations]: Found specification of procedure startSystem
[2020-08-27 23:41:12,814 INFO  L130     BoogieDeclarations]: Found specification of procedure stopSystem
[2020-08-27 23:41:12,814 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-08-27 23:41:12,814 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-08-27 23:41:12,814 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-08-27 23:41:12,814 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-08-27 23:41:12,814 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-08-27 23:41:12,815 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-08-27 23:41:12,815 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-08-27 23:41:12,815 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-08-27 23:41:12,815 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-08-27 23:41:12,815 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-08-27 23:41:12,816 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1
[2020-08-27 23:41:12,816 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-08-27 23:41:12,816 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base
[2020-08-27 23:41:12,817 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-08-27 23:41:12,817 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-08-27 23:41:12,817 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-08-27 23:41:12,817 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-08-27 23:41:12,817 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-08-27 23:41:12,817 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-08-27 23:41:12,817 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-08-27 23:41:12,818 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-08-27 23:41:12,818 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-08-27 23:41:12,818 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-08-27 23:41:12,818 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-08-27 23:41:12,818 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-08-27 23:41:12,818 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-08-27 23:41:12,818 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-08-27 23:41:12,819 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-08-27 23:41:12,820 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-08-27 23:41:12,820 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-08-27 23:41:12,820 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-08-27 23:41:12,821 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-08-27 23:41:12,822 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-08-27 23:41:12,822 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-08-27 23:41:12,822 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-08-27 23:41:12,822 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-08-27 23:41:12,822 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-08-27 23:41:12,822 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-08-27 23:41:12,823 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-08-27 23:41:12,824 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-08-27 23:41:12,824 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-08-27 23:41:12,824 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-08-27 23:41:12,824 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-08-27 23:41:12,824 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-08-27 23:41:13,986 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-08-27 23:41:13,986 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-08-27 23:41:13,992 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 11:41:13 BoogieIcfgContainer
[2020-08-27 23:41:13,993 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-08-27 23:41:13,994 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-08-27 23:41:13,994 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-08-27 23:41:13,998 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-08-27 23:41:13,998 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 11:41:11" (1/3) ...
[2020-08-27 23:41:13,999 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22ec5b23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 11:41:13, skipping insertion in model container
[2020-08-27 23:41:13,999 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:41:12" (2/3) ...
[2020-08-27 23:41:14,000 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22ec5b23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 11:41:13, skipping insertion in model container
[2020-08-27 23:41:14,000 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 11:41:13" (3/3) ...
[2020-08-27 23:41:14,002 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec1_product12.cil.c
[2020-08-27 23:41:14,014 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-08-27 23:41:14,024 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-08-27 23:41:14,047 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-08-27 23:41:14,079 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-08-27 23:41:14,080 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-08-27 23:41:14,080 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-08-27 23:41:14,080 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-08-27 23:41:14,080 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-08-27 23:41:14,081 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-08-27 23:41:14,081 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-08-27 23:41:14,081 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-08-27 23:41:14,108 INFO  L276                IsEmpty]: Start isEmpty. Operand 148 states.
[2020-08-27 23:41:14,120 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 47
[2020-08-27 23:41:14,120 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-27 23:41:14,121 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]
[2020-08-27 23:41:14,122 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-27 23:41:14,128 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-27 23:41:14,128 INFO  L82        PathProgramCache]: Analyzing trace with hash -2135633634, now seen corresponding path program 1 times
[2020-08-27 23:41:14,140 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-27 23:41:14,141 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [871020330]
[2020-08-27 23:41:14,141 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-27 23:41:14,434 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-27 23:41:14,441 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-08-27 23:41:14,442 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.<init>(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.<init>(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.<init>(AutomatonFreeRefinementEngine.java:85)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.<init>(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.<init>(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)
[2020-08-27 23:41:14,451 INFO  L168              Benchmark]: Toolchain (without parser) took 2607.99 ms. Allocated memory was 141.6 MB in the beginning and 238.0 MB in the end (delta: 96.5 MB). Free memory was 102.8 MB in the beginning and 183.7 MB in the end (delta: -80.9 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB.
[2020-08-27 23:41:14,453 INFO  L168              Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 141.6 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-08-27 23:41:14,455 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 773.59 ms. Allocated memory was 141.6 MB in the beginning and 205.5 MB in the end (delta: 64.0 MB). Free memory was 102.6 MB in the beginning and 175.9 MB in the end (delta: -73.3 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB.
[2020-08-27 23:41:14,457 INFO  L168              Benchmark]: Boogie Preprocessor took 109.82 ms. Allocated memory is still 205.5 MB. Free memory was 175.9 MB in the beginning and 171.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB.
[2020-08-27 23:41:14,458 INFO  L168              Benchmark]: RCFGBuilder took 1266.57 ms. Allocated memory was 205.5 MB in the beginning and 238.0 MB in the end (delta: 32.5 MB). Free memory was 171.9 MB in the beginning and 203.4 MB in the end (delta: -31.5 MB). Peak memory consumption was 82.6 MB. Max. memory is 7.1 GB.
[2020-08-27 23:41:14,460 INFO  L168              Benchmark]: TraceAbstraction took 452.88 ms. Allocated memory is still 238.0 MB. Free memory was 203.4 MB in the beginning and 183.7 MB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 7.1 GB.
[2020-08-27 23:41:14,472 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.30 ms. Allocated memory is still 141.6 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 773.59 ms. Allocated memory was 141.6 MB in the beginning and 205.5 MB in the end (delta: 64.0 MB). Free memory was 102.6 MB in the beginning and 175.9 MB in the end (delta: -73.3 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 109.82 ms. Allocated memory is still 205.5 MB. Free memory was 175.9 MB in the beginning and 171.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1266.57 ms. Allocated memory was 205.5 MB in the beginning and 238.0 MB in the end (delta: 32.5 MB). Free memory was 171.9 MB in the beginning and 203.4 MB in the end (delta: -31.5 MB). Peak memory consumption was 82.6 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 452.88 ms. Allocated memory is still 238.0 MB. Free memory was 203.4 MB in the beginning and 183.7 MB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 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...