/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 --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product12.cil.c


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


This is Ultimate 0.1.25-c90d42b
[2020-09-25 12:03:20,356 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-09-25 12:03:20,359 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 12:03:20,385 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 12:03:20,386 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 12:03:20,387 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 12:03:20,388 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 12:03:20,390 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 12:03:20,391 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 12:03:20,392 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 12:03:20,393 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 12:03:20,394 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 12:03:20,395 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 12:03:20,396 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 12:03:20,397 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 12:03:20,398 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 12:03:20,399 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 12:03:20,400 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 12:03:20,402 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 12:03:20,404 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 12:03:20,405 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 12:03:20,407 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 12:03:20,408 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 12:03:20,409 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 12:03:20,411 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 12:03:20,411 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 12:03:20,412 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 12:03:20,413 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 12:03:20,413 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 12:03:20,414 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 12:03:20,414 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 12:03:20,415 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 12:03:20,416 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 12:03:20,417 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 12:03:20,418 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 12:03:20,418 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 12:03:20,419 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 12:03:20,419 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 12:03:20,419 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 12:03:20,420 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 12:03:20,421 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 12:03:20,422 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
[2020-09-25 12:03:20,447 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-09-25 12:03:20,447 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 12:03:20,448 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 12:03:20,449 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-09-25 12:03:20,449 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-09-25 12:03:20,449 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 12:03:20,449 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-09-25 12:03:20,449 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-09-25 12:03:20,450 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-09-25 12:03:20,450 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-09-25 12:03:20,450 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 12:03:20,450 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 12:03:20,450 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 12:03:20,451 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-09-25 12:03:20,451 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-09-25 12:03:20,451 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-09-25 12:03:20,451 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-09-25 12:03:20,451 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 12:03:20,452 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-09-25 12:03:20,452 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-09-25 12:03:20,452 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-09-25 12:03:20,452 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 12:03:20,452 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 12:03:20,453 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 12:03:20,453 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 12:03:20,453 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-09-25 12:03:20,453 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 12:03:20,453 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 12:03:20,454 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-09-25 12:03:20,454 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.rcfgbuilder: Size of a code block -> SingleStatement
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 -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;
[2020-09-25 12:03:20,953 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 12:03:20,970 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 12:03:20,975 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 12:03:20,976 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-09-25 12:03:20,977 INFO  L275        PluginConnector]: CDTParser initialized
[2020-09-25 12:03:20,978 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product12.cil.c
[2020-09-25 12:03:21,054 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c9cd0b075/98814f96ef61493086a0c351f10ad292/FLAGd74e42676
[2020-09-25 12:03:21,623 INFO  L306              CDTParser]: Found 1 translation units.
[2020-09-25 12:03:21,624 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product12.cil.c
[2020-09-25 12:03:21,639 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c9cd0b075/98814f96ef61493086a0c351f10ad292/FLAGd74e42676
[2020-09-25 12:03:21,906 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c9cd0b075/98814f96ef61493086a0c351f10ad292
[2020-09-25 12:03:21,920 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 12:03:21,926 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 12:03:21,927 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 12:03:21,927 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 12:03:21,931 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 12:03:21,932 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:03:21" (1/1) ...
[2020-09-25 12:03:21,937 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22fd97d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:21, skipping insertion in model container
[2020-09-25 12:03:21,937 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:03:21" (1/1) ...
[2020-09-25 12:03:21,946 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-09-25 12:03:22,022 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-09-25 12:03:22,394 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 12:03:22,409 INFO  L203         MainTranslator]: Completed pre-run
[2020-09-25 12:03:22,618 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 12:03:22,660 INFO  L208         MainTranslator]: Completed translation
[2020-09-25 12:03:22,661 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:22 WrapperNode
[2020-09-25 12:03:22,662 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 12:03:22,662 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 12:03:22,663 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 12:03:22,663 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 12:03:22,676 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:22" (1/1) ...
[2020-09-25 12:03:22,677 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:22" (1/1) ...
[2020-09-25 12:03:22,699 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:22" (1/1) ...
[2020-09-25 12:03:22,700 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:22" (1/1) ...
[2020-09-25 12:03:22,744 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:22" (1/1) ...
[2020-09-25 12:03:22,760 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:22" (1/1) ...
[2020-09-25 12:03:22,765 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:22" (1/1) ...
[2020-09-25 12:03:22,789 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 12:03:22,793 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 12:03:22,793 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 12:03:22,793 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-09-25 12:03:22,794 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:22" (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
[2020-09-25 12:03:22,884 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 12:03:22,885 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 12:03:22,885 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-09-25 12:03:22,885 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1
[2020-09-25 12:03:22,885 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-09-25 12:03:22,886 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-09-25 12:03:22,886 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-09-25 12:03:22,887 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base
[2020-09-25 12:03:22,887 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-09-25 12:03:22,888 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-09-25 12:03:22,888 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-09-25 12:03:22,888 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-09-25 12:03:22,888 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-09-25 12:03:22,888 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopSystem
[2020-09-25 12:03:22,889 INFO  L138     BoogieDeclarations]: Found implementation of procedure startSystem
[2020-09-25 12:03:22,889 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-09-25 12:03:22,890 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-09-25 12:03:22,890 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-09-25 12:03:22,890 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-09-25 12:03:22,890 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-09-25 12:03:22,891 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-09-25 12:03:22,891 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-09-25 12:03:22,891 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-09-25 12:03:22,892 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-09-25 12:03:22,892 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-09-25 12:03:22,892 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-09-25 12:03:22,893 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-09-25 12:03:22,893 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-09-25 12:03:22,893 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-09-25 12:03:22,893 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-09-25 12:03:22,893 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-09-25 12:03:22,893 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-09-25 12:03:22,893 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-09-25 12:03:22,894 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-09-25 12:03:22,894 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-09-25 12:03:22,894 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 12:03:22,894 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-09-25 12:03:22,894 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 12:03:22,894 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 12:03:22,895 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-09-25 12:03:22,895 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-09-25 12:03:22,895 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-09-25 12:03:22,895 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-09-25 12:03:22,895 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-09-25 12:03:22,895 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1
[2020-09-25 12:03:22,896 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-09-25 12:03:22,897 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-09-25 12:03:22,897 INFO  L130     BoogieDeclarations]: Found specification of procedure startSystem
[2020-09-25 12:03:22,897 INFO  L130     BoogieDeclarations]: Found specification of procedure stopSystem
[2020-09-25 12:03:22,897 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-09-25 12:03:22,898 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-09-25 12:03:22,898 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-09-25 12:03:22,898 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-09-25 12:03:22,898 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-09-25 12:03:22,898 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-09-25 12:03:22,899 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-09-25 12:03:22,899 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-09-25 12:03:22,899 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-09-25 12:03:22,899 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base
[2020-09-25 12:03:22,899 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-09-25 12:03:22,899 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 12:03:22,900 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-09-25 12:03:22,900 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-09-25 12:03:22,900 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-09-25 12:03:22,900 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-09-25 12:03:22,900 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-09-25 12:03:22,901 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-09-25 12:03:22,901 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-09-25 12:03:22,901 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-09-25 12:03:22,902 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-25 12:03:22,902 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-25 12:03:22,903 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 12:03:22,903 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-25 12:03:22,903 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-09-25 12:03:22,904 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 12:03:22,904 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-09-25 12:03:22,904 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-09-25 12:03:22,904 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 12:03:22,904 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-09-25 12:03:22,904 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-09-25 12:03:22,904 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-09-25 12:03:22,905 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-09-25 12:03:22,905 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-09-25 12:03:22,905 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-09-25 12:03:22,905 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-09-25 12:03:22,905 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 12:03:22,905 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-25 12:03:22,905 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 12:03:23,962 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 12:03:23,962 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-09-25 12:03:23,969 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:03:23 BoogieIcfgContainer
[2020-09-25 12:03:23,969 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 12:03:23,971 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 12:03:23,971 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 12:03:23,974 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-09-25 12:03:23,975 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:03:21" (1/3) ...
[2020-09-25 12:03:23,976 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a5ac3f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:03:23, skipping insertion in model container
[2020-09-25 12:03:23,976 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:22" (2/3) ...
[2020-09-25 12:03:23,976 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a5ac3f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:03:23, skipping insertion in model container
[2020-09-25 12:03:23,976 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:03:23" (3/3) ...
[2020-09-25 12:03:23,979 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec3_product12.cil.c
[2020-09-25 12:03:23,990 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 12:03:24,001 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 12:03:24,023 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 12:03:24,054 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-09-25 12:03:24,054 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-09-25 12:03:24,055 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 12:03:24,055 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 12:03:24,055 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 12:03:24,055 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-09-25 12:03:24,055 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 12:03:24,055 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 12:03:24,081 INFO  L276                IsEmpty]: Start isEmpty. Operand 281 states.
[2020-09-25 12:03:24,096 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 154
[2020-09-25 12:03:24,097 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 12:03:24,098 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 12:03:24,099 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 12:03:24,105 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 12:03:24,106 INFO  L82        PathProgramCache]: Analyzing trace with hash 459580304, now seen corresponding path program 1 times
[2020-09-25 12:03:24,116 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 12:03:24,116 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1676461025]
[2020-09-25 12:03:24,117 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 12:03:24,423 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:24,571 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:24,780 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:26,306 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:29,473 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:29,473 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 186
[2020-09-25 12:03:29,474 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 12:03:29,474 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5040
[2020-09-25 12:03:29,479 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:29,479 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:29,480 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 16
[2020-09-25 12:03:29,480 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 79
[2020-09-25 12:03:29,480 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 91
[2020-09-25 12:03:29,481 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 6
[2020-09-25 12:03:30,010 WARN  L193               SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 12:03:30,013 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 12:03:30,058 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:30,122 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:30,362 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:30,363 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 12:03:30,363 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:30,371 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 301
[2020-09-25 12:03:30,372 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:30,372 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:30,372 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:03:30,373 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:03:30,374 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 75
[2020-09-25 12:03:30,374 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 12:03:30,498 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 12:03:30,499 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:30,501 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:30,504 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:30,504 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 12:03:30,504 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:30,505 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 12:03:30,505 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:30,505 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:30,505 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:03:30,506 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:03:30,506 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 12:03:30,506 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:30,508 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 12:03:30,509 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:30,510 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:30,513 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:30,513 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 12:03:30,514 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:30,514 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 12:03:30,514 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:30,514 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:30,515 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:03:30,515 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:03:30,515 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 12:03:30,515 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:30,517 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 12:03:30,518 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:30,520 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:30,528 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:30,529 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 12:03:30,529 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:30,529 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 9
[2020-09-25 12:03:30,529 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:30,529 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:30,530 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:03:30,530 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:03:30,530 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 12:03:30,530 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:30,532 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 12:03:30,533 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:30,535 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:30,538 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:30,539 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 12:03:30,539 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:30,539 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 12:03:30,539 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:30,540 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:30,540 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:03:30,540 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:03:30,541 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 12:03:30,541 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:30,542 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121
[2020-09-25 12:03:30,543 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:30,545 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:30,549 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:30,549 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 12:03:30,549 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:30,550 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 12:03:30,550 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:30,550 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:30,550 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:03:30,550 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:03:30,551 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 12:03:30,551 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:30,553 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131
[2020-09-25 12:03:30,554 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:30,556 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:30,564 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:30,565 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 12:03:30,565 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:30,565 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 9
[2020-09-25 12:03:30,565 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:30,566 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:30,566 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 12:03:30,566 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:03:30,566 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 12:03:30,566 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:30,596 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141
[2020-09-25 12:03:30,597 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:30,599 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:30,601 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:30,601 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 12:03:30,601 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:30,602 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 12:03:30,602 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:30,602 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:30,602 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 12:03:30,603 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 12:03:30,603 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 12:03:30,603 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:30,636 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 12:03:30,638 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1676461025]
[2020-09-25 12:03:30,640 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 12:03:30,640 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-25 12:03:30,642 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995228571]
[2020-09-25 12:03:30,650 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-25 12:03:30,650 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 12:03:30,668 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-25 12:03:30,669 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2020-09-25 12:03:30,672 INFO  L87              Difference]: Start difference. First operand 281 states. Second operand 8 states.
[2020-09-25 12:03:31,226 WARN  L193               SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 12:03:32,529 WARN  L193               SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 12:03:32,881 WARN  L193               SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 12:03:33,248 WARN  L193               SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 12:03:33,603 WARN  L193               SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 12:03:33,934 WARN  L193               SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 12:03:34,381 WARN  L193               SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 12:03:34,679 WARN  L193               SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 12:03:35,562 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 12:03:35,563 INFO  L93              Difference]: Finished difference Result 510 states and 633 transitions.
[2020-09-25 12:03:35,563 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2020-09-25 12:03:35,565 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 153
[2020-09-25 12:03:35,566 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 12:03:35,585 INFO  L225             Difference]: With dead ends: 510
[2020-09-25 12:03:35,585 INFO  L226             Difference]: Without dead ends: 339
[2020-09-25 12:03:35,591 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240
[2020-09-25 12:03:35,610 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 339 states.
[2020-09-25 12:03:35,701 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 301.
[2020-09-25 12:03:35,703 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 301 states.
[2020-09-25 12:03:35,705 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 332 transitions.
[2020-09-25 12:03:35,707 INFO  L78                 Accepts]: Start accepts. Automaton has 301 states and 332 transitions. Word has length 153
[2020-09-25 12:03:35,708 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 12:03:35,708 INFO  L479      AbstractCegarLoop]: Abstraction has 301 states and 332 transitions.
[2020-09-25 12:03:35,708 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-25 12:03:35,708 INFO  L276                IsEmpty]: Start isEmpty. Operand 301 states and 332 transitions.
[2020-09-25 12:03:35,714 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 173
[2020-09-25 12:03:35,715 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 12:03:35,715 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 12:03:35,715 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 12:03:35,716 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 12:03:35,716 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 12:03:35,716 INFO  L82        PathProgramCache]: Analyzing trace with hash 55917288, now seen corresponding path program 1 times
[2020-09-25 12:03:35,717 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 12:03:35,717 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [228565089]
[2020-09-25 12:03:35,717 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 12:03:35,769 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:35,828 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:36,128 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:36,128 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 207
[2020-09-25 12:03:36,129 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:36,129 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 356
[2020-09-25 12:03:36,129 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:36,129 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:36,129 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:03:36,130 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 153
[2020-09-25 12:03:36,130 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 8
[2020-09-25 12:03:36,130 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 12:03:36,425 WARN  L193               SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 12:03:36,426 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 12:03:36,465 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:36,474 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:36,574 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:36,575 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 12:03:36,575 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:36,575 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 109
[2020-09-25 12:03:36,576 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:36,576 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:36,576 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 12:03:36,576 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:03:36,576 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 12:03:36,577 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:36,607 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 12:03:36,608 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:36,609 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:36,611 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:36,611 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 12:03:36,612 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:36,612 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 12:03:36,612 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:36,612 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:36,612 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 12:03:36,613 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:03:36,613 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 12:03:36,613 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:36,614 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 12:03:36,614 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:36,615 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:36,617 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:36,617 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 12:03:36,618 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:36,618 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 12:03:36,618 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:36,618 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:36,618 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 12:03:36,619 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:03:36,619 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 12:03:36,619 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:36,620 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 12:03:36,620 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:36,622 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:36,625 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:36,626 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 12:03:36,626 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:36,626 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 12:03:36,626 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:36,627 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:36,627 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 12:03:36,627 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:03:36,627 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 12:03:36,628 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:36,629 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 12:03:36,630 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:36,631 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:36,632 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:36,632 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 12:03:36,632 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:36,632 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 12:03:36,633 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:36,633 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:36,633 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 12:03:36,633 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:03:36,634 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 12:03:36,634 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:36,644 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116
[2020-09-25 12:03:36,645 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:36,646 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:36,650 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:36,650 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 12:03:36,650 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:36,650 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 12:03:36,650 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:36,651 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:36,651 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 12:03:36,651 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:03:36,651 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 12:03:36,652 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:36,661 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129
[2020-09-25 12:03:36,662 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:36,664 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:36,667 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:36,667 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 12:03:36,667 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:36,667 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 12:03:36,668 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:36,668 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:36,668 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:03:36,668 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:03:36,668 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 2
[2020-09-25 12:03:36,669 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:36,671 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140
[2020-09-25 12:03:36,671 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:36,673 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:36,674 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:36,674 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 12:03:36,675 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:36,675 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 12:03:36,675 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:36,675 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:36,675 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 12:03:36,676 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 12:03:36,676 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 12:03:36,676 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:36,678 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150
[2020-09-25 12:03:36,678 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:36,680 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:36,681 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:36,681 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 12:03:36,681 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:36,681 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 12:03:36,682 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:36,682 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:36,682 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 12:03:36,682 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 12:03:36,683 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 12:03:36,683 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:36,684 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160
[2020-09-25 12:03:36,685 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:36,686 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:36,687 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:36,687 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 12:03:36,688 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:36,688 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 12:03:36,688 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:36,688 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:36,689 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 12:03:36,689 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 12:03:36,689 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 12:03:36,689 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:36,720 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 12:03:36,721 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [228565089]
[2020-09-25 12:03:36,721 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 12:03:36,721 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-09-25 12:03:36,722 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543005188]
[2020-09-25 12:03:36,724 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-09-25 12:03:36,724 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 12:03:36,725 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-09-25 12:03:36,725 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2020-09-25 12:03:36,725 INFO  L87              Difference]: Start difference. First operand 301 states and 332 transitions. Second operand 6 states.
[2020-09-25 12:03:37,244 WARN  L193               SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 12:03:39,075 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 12:03:39,076 INFO  L93              Difference]: Finished difference Result 840 states and 1031 transitions.
[2020-09-25 12:03:39,076 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2020-09-25 12:03:39,076 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 172
[2020-09-25 12:03:39,077 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 12:03:39,085 INFO  L225             Difference]: With dead ends: 840
[2020-09-25 12:03:39,085 INFO  L226             Difference]: Without dead ends: 649
[2020-09-25 12:03:39,089 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110
[2020-09-25 12:03:39,091 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 649 states.
[2020-09-25 12:03:39,217 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 463.
[2020-09-25 12:03:39,217 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 463 states.
[2020-09-25 12:03:39,224 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 521 transitions.
[2020-09-25 12:03:39,225 INFO  L78                 Accepts]: Start accepts. Automaton has 463 states and 521 transitions. Word has length 172
[2020-09-25 12:03:39,228 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 12:03:39,228 INFO  L479      AbstractCegarLoop]: Abstraction has 463 states and 521 transitions.
[2020-09-25 12:03:39,229 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-09-25 12:03:39,229 INFO  L276                IsEmpty]: Start isEmpty. Operand 463 states and 521 transitions.
[2020-09-25 12:03:39,241 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 176
[2020-09-25 12:03:39,241 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 12:03:39,242 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 12:03:39,242 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 12:03:39,243 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 12:03:39,243 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 12:03:39,243 INFO  L82        PathProgramCache]: Analyzing trace with hash 232069563, now seen corresponding path program 1 times
[2020-09-25 12:03:39,243 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 12:03:39,244 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1368979550]
[2020-09-25 12:03:39,244 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 12:03:39,352 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-09-25 12:03:39,359 INFO  L174   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-09-25 12:03:39,360 INFO  L520         BasicCegarLoop]: Counterexample might be feasible
[2020-09-25 12:03:39,366 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 12:03:39,404 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 12:03:39 BoogieIcfgContainer
[2020-09-25 12:03:39,404 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-25 12:03:39,407 INFO  L168              Benchmark]: Toolchain (without parser) took 17484.65 ms. Allocated memory was 146.8 MB in the beginning and 451.9 MB in the end (delta: 305.1 MB). Free memory was 101.8 MB in the beginning and 403.7 MB in the end (delta: -301.9 MB). Peak memory consumption was 320.9 MB. Max. memory is 7.1 GB.
[2020-09-25 12:03:39,408 INFO  L168              Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 146.8 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-09-25 12:03:39,409 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 735.13 ms. Allocated memory was 146.8 MB in the beginning and 203.9 MB in the end (delta: 57.1 MB). Free memory was 101.1 MB in the beginning and 174.6 MB in the end (delta: -73.5 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB.
[2020-09-25 12:03:39,411 INFO  L168              Benchmark]: Boogie Preprocessor took 130.27 ms. Allocated memory is still 203.9 MB. Free memory was 174.6 MB in the beginning and 169.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB.
[2020-09-25 12:03:39,412 INFO  L168              Benchmark]: RCFGBuilder took 1176.46 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 169.8 MB in the beginning and 182.6 MB in the end (delta: -12.8 MB). Peak memory consumption was 84.9 MB. Max. memory is 7.1 GB.
[2020-09-25 12:03:39,421 INFO  L168              Benchmark]: TraceAbstraction took 15433.65 ms. Allocated memory was 236.5 MB in the beginning and 451.9 MB in the end (delta: 215.5 MB). Free memory was 182.6 MB in the beginning and 403.7 MB in the end (delta: -221.1 MB). Peak memory consumption was 312.1 MB. Max. memory is 7.1 GB.
[2020-09-25 12:03:39,431 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.25 ms. Allocated memory is still 146.8 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 735.13 ms. Allocated memory was 146.8 MB in the beginning and 203.9 MB in the end (delta: 57.1 MB). Free memory was 101.1 MB in the beginning and 174.6 MB in the end (delta: -73.5 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 130.27 ms. Allocated memory is still 203.9 MB. Free memory was 174.6 MB in the beginning and 169.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1176.46 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 169.8 MB in the beginning and 182.6 MB in the end (delta: -12.8 MB). Peak memory consumption was 84.9 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 15433.65 ms. Allocated memory was 236.5 MB in the beginning and 451.9 MB in the end (delta: 215.5 MB). Free memory was 182.6 MB in the beginning and 403.7 MB in the end (delta: -221.1 MB). Peak memory consumption was 312.1 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - CounterExampleResult [Line: 890]: a call of __VERIFIER_error() is reachable
    a call of __VERIFIER_error() is reachable
We found a FailurePath: 
[L158]              int pumpRunning  =    0;
[L159]              int systemActive  =    1;
[L306]              int waterLevel  =    1;
[L307]              int methaneLevelCritical  =    0;
[L593]              static struct __ACC__ERR *head  =    (struct __ACC__ERR *)0;
[L790]              int cleanupTimeShifts  =    4;
[L863]              int retValue_acc ;
[L864]              int tmp ;
[L868]  FCALL       select_helpers()
[L869]  FCALL       select_features()
[L870]  CALL, EXPR  valid_product()
[L415]              int retValue_acc ;
[L418]              retValue_acc = 1
[L419]              return (retValue_acc);
[L870]  RET, EXPR   valid_product()
[L870]              tmp = valid_product()
[L872]  COND TRUE   \read(tmp)
[L874]  FCALL       setup()
[L875]  CALL        runTest()
[L857]  CALL        test()
[L85]               int splverifierCounter ;
[L86]               int tmp ;
[L87]               int tmp___0 ;
[L88]               int tmp___1 ;
[L89]               int tmp___2 ;
[L92]               splverifierCounter = 0
[L94]   COND TRUE   1
[L96]   COND TRUE   splverifierCounter < 4
[L102]              tmp = __VERIFIER_nondet_int()
[L104]  COND TRUE   \read(tmp)
[L106]  CALL        waterRise()
[L324]  COND TRUE   waterLevel < 2
[L325]              waterLevel = waterLevel + 1
[L106]  RET         waterRise()
[L112]              tmp___0 = __VERIFIER_nondet_int()
[L114]  COND FALSE  !(\read(tmp___0))
[L122]              tmp___2 = __VERIFIER_nondet_int()
[L124]  COND TRUE   \read(tmp___2)
[L126]  CALL        startSystem()
[L301]              systemActive = 1
[L126]  RET         startSystem()
[L141]  CALL        timeShift()
[L165]  COND FALSE  !(\read(pumpRunning))
[L172]  COND TRUE   \read(systemActive)
[L174]  FCALL       processEnvironment()
[L180]  CALL        __utac_acc__Specification3_spec__1()
[L45]               int tmp ;
[L46]               int tmp___0 ;
[L47]               int tmp___1 ;
[L51]   CALL, EXPR  isMethaneLevelCritical()
[L345]              int retValue_acc ;
[L348]              retValue_acc = methaneLevelCritical
[L349]              return (retValue_acc);
[L51]   RET, EXPR   isMethaneLevelCritical()
[L51]               tmp = isMethaneLevelCritical()
[L53]   COND FALSE  !(\read(tmp))
[L57]   CALL, EXPR  getWaterLevel()
[L377]              int retValue_acc ;
[L380]              retValue_acc = waterLevel
[L381]              return (retValue_acc);
[L57]   RET, EXPR   getWaterLevel()
[L57]               tmp___0 = getWaterLevel()
[L59]   COND TRUE   tmp___0 == 2
[L61]   CALL, EXPR  isPumpRunning()
[L238]              int retValue_acc ;
[L241]              retValue_acc = pumpRunning
[L242]              return (retValue_acc);
[L61]   RET, EXPR   isPumpRunning()
[L61]               tmp___1 = isPumpRunning()
[L63]   COND FALSE  !(\read(tmp___1))
[L67]   CALL        __automaton_fail()
[L890]              __VERIFIER_error()

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 37 procedures, 597 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 15.3s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 7.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 431 SDtfs, 894 SDslu, 740 SDs, 0 SdLazy, 1475 SolverSat, 295 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=463occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 2 MinimizatonAttempts, 224 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 7.1s InterpolantComputationTime, 500 NumberOfCodeBlocks, 500 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 323 ConstructedInterpolants, 0 QuantifiedInterpolants, 128440 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...