/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_product13.cil.c


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


This is Ultimate 0.1.25-c90d42b
[2020-09-25 12:03:23,783 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-09-25 12:03:23,787 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 12:03:23,814 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 12:03:23,814 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 12:03:23,816 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 12:03:23,817 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 12:03:23,819 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 12:03:23,821 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 12:03:23,822 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 12:03:23,823 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 12:03:23,825 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 12:03:23,825 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 12:03:23,826 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 12:03:23,827 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 12:03:23,829 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 12:03:23,830 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 12:03:23,831 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 12:03:23,833 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 12:03:23,835 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 12:03:23,836 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 12:03:23,838 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 12:03:23,839 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 12:03:23,840 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 12:03:23,843 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 12:03:23,843 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 12:03:23,843 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 12:03:23,844 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 12:03:23,845 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 12:03:23,846 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 12:03:23,846 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 12:03:23,847 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 12:03:23,848 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 12:03:23,849 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 12:03:23,850 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 12:03:23,851 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 12:03:23,851 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 12:03:23,852 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 12:03:23,852 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 12:03:23,853 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 12:03:23,855 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 12:03:23,856 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 12:03:23,915 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-09-25 12:03:23,915 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 12:03:23,916 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 12:03:23,917 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-09-25 12:03:23,917 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-09-25 12:03:23,917 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 12:03:23,917 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-09-25 12:03:23,918 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-09-25 12:03:23,920 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-09-25 12:03:23,920 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-09-25 12:03:23,920 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 12:03:23,920 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 12:03:23,921 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 12:03:23,921 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-09-25 12:03:23,921 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-09-25 12:03:23,921 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-09-25 12:03:23,921 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-09-25 12:03:23,923 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 12:03:23,923 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-09-25 12:03:23,924 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-09-25 12:03:23,924 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-09-25 12:03:23,924 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 12:03:23,924 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 12:03:23,925 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 12:03:23,925 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 12:03:23,925 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-09-25 12:03:23,925 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 12:03:23,925 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 12:03:23,926 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-09-25 12:03:23,926 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 12:03:24,421 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 12:03:24,438 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 12:03:24,445 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 12:03:24,447 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-09-25 12:03:24,449 INFO  L275        PluginConnector]: CDTParser initialized
[2020-09-25 12:03:24,450 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product13.cil.c
[2020-09-25 12:03:24,526 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/583b3b03b/fd4e7d4bafc44af38571e56bf456f2ec/FLAGa76533881
[2020-09-25 12:03:25,082 INFO  L306              CDTParser]: Found 1 translation units.
[2020-09-25 12:03:25,083 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product13.cil.c
[2020-09-25 12:03:25,103 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/583b3b03b/fd4e7d4bafc44af38571e56bf456f2ec/FLAGa76533881
[2020-09-25 12:03:25,376 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/583b3b03b/fd4e7d4bafc44af38571e56bf456f2ec
[2020-09-25 12:03:25,393 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 12:03:25,399 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 12:03:25,402 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 12:03:25,402 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 12:03:25,406 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 12:03:25,407 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:03:25" (1/1) ...
[2020-09-25 12:03:25,412 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36dab12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:25, skipping insertion in model container
[2020-09-25 12:03:25,412 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:03:25" (1/1) ...
[2020-09-25 12:03:25,422 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-09-25 12:03:25,497 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-09-25 12:03:25,918 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 12:03:25,934 INFO  L203         MainTranslator]: Completed pre-run
[2020-09-25 12:03:26,117 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 12:03:26,155 INFO  L208         MainTranslator]: Completed translation
[2020-09-25 12:03:26,156 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:26 WrapperNode
[2020-09-25 12:03:26,156 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 12:03:26,157 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 12:03:26,157 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 12:03:26,158 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 12:03:26,177 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:26" (1/1) ...
[2020-09-25 12:03:26,177 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:26" (1/1) ...
[2020-09-25 12:03:26,198 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:26" (1/1) ...
[2020-09-25 12:03:26,199 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:26" (1/1) ...
[2020-09-25 12:03:26,233 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:26" (1/1) ...
[2020-09-25 12:03:26,244 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:26" (1/1) ...
[2020-09-25 12:03:26,252 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:26" (1/1) ...
[2020-09-25 12:03:26,276 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 12:03:26,276 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 12:03:26,277 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 12:03:26,277 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-09-25 12:03:26,281 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:26" (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 12:03:26,370 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 12:03:26,371 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 12:03:26,371 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-09-25 12:03:26,371 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-09-25 12:03:26,371 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-09-25 12:03:26,371 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-09-25 12:03:26,372 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-09-25 12:03:26,372 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-09-25 12:03:26,372 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-09-25 12:03:26,372 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-09-25 12:03:26,372 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-09-25 12:03:26,373 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-09-25 12:03:26,373 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-09-25 12:03:26,373 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-09-25 12:03:26,373 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-09-25 12:03:26,374 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-09-25 12:03:26,374 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-09-25 12:03:26,375 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-09-25 12:03:26,375 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 12:03:26,375 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-09-25 12:03:26,375 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery
[2020-09-25 12:03:26,376 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-09-25 12:03:26,376 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base
[2020-09-25 12:03:26,376 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-09-25 12:03:26,376 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-09-25 12:03:26,377 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-09-25 12:03:26,377 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-09-25 12:03:26,377 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-09-25 12:03:26,378 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1
[2020-09-25 12:03:26,378 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-09-25 12:03:26,378 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-09-25 12:03:26,378 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-09-25 12:03:26,378 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-09-25 12:03:26,378 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-09-25 12:03:26,378 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-09-25 12:03:26,379 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-09-25 12:03:26,379 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 12:03:26,379 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 12:03:26,379 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-09-25 12:03:26,381 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-09-25 12:03:26,381 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-09-25 12:03:26,382 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-09-25 12:03:26,382 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-09-25 12:03:26,382 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-09-25 12:03:26,382 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-09-25 12:03:26,383 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 12:03:26,383 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-09-25 12:03:26,383 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-09-25 12:03:26,384 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-09-25 12:03:26,384 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-09-25 12:03:26,384 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-09-25 12:03:26,384 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-09-25 12:03:26,384 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-09-25 12:03:26,385 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-09-25 12:03:26,385 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-09-25 12:03:26,385 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-09-25 12:03:26,385 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-09-25 12:03:26,385 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-09-25 12:03:26,385 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-09-25 12:03:26,385 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-09-25 12:03:26,385 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-09-25 12:03:26,386 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-09-25 12:03:26,386 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1
[2020-09-25 12:03:26,386 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-09-25 12:03:26,386 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery
[2020-09-25 12:03:26,386 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-09-25 12:03:26,386 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base
[2020-09-25 12:03:26,386 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-09-25 12:03:26,386 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-09-25 12:03:26,387 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-09-25 12:03:26,387 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-09-25 12:03:26,389 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-25 12:03:26,389 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-25 12:03:26,389 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 12:03:26,389 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-25 12:03:26,389 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-09-25 12:03:26,390 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 12:03:26,390 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-09-25 12:03:26,390 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-09-25 12:03:26,390 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 12:03:26,390 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-09-25 12:03:26,390 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-09-25 12:03:26,390 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-09-25 12:03:26,391 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 12:03:26,391 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-25 12:03:26,391 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 12:03:27,578 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 12:03:27,579 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-09-25 12:03:27,586 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:03:27 BoogieIcfgContainer
[2020-09-25 12:03:27,586 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 12:03:27,587 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 12:03:27,588 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 12:03:27,592 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-09-25 12:03:27,592 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:03:25" (1/3) ...
[2020-09-25 12:03:27,593 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@269b6fe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:03:27, skipping insertion in model container
[2020-09-25 12:03:27,593 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:26" (2/3) ...
[2020-09-25 12:03:27,593 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@269b6fe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:03:27, skipping insertion in model container
[2020-09-25 12:03:27,594 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:03:27" (3/3) ...
[2020-09-25 12:03:27,596 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec3_product13.cil.c
[2020-09-25 12:03:27,608 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 12:03:27,620 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 12:03:27,644 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 12:03:27,678 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-09-25 12:03:27,678 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-09-25 12:03:27,678 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 12:03:27,678 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 12:03:27,679 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 12:03:27,679 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-09-25 12:03:27,679 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 12:03:27,679 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 12:03:27,705 INFO  L276                IsEmpty]: Start isEmpty. Operand 285 states.
[2020-09-25 12:03:27,722 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 154
[2020-09-25 12:03:27,722 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 12:03:27,723 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 12:03:27,724 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 12:03:27,732 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 12:03:27,732 INFO  L82        PathProgramCache]: Analyzing trace with hash -1381778522, now seen corresponding path program 1 times
[2020-09-25 12:03:27,743 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 12:03:27,744 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [136959998]
[2020-09-25 12:03:27,745 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 12:03:28,070 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:28,321 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:28,488 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:28,961 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:32,398 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:32,399 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 186
[2020-09-25 12:03:32,400 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 12:03:32,403 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4315
[2020-09-25 12:03:32,407 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:32,408 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:32,408 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 16
[2020-09-25 12:03:32,408 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 77
[2020-09-25 12:03:32,409 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 93
[2020-09-25 12:03:32,409 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 5
[2020-09-25 12:03:32,966 WARN  L193               SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 12:03:32,975 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 12:03:33,030 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:33,082 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:33,370 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:33,372 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 12:03:33,372 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:33,372 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 336
[2020-09-25 12:03:33,373 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:33,382 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:33,382 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:03:33,383 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:03:33,383 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 73
[2020-09-25 12:03:33,383 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 10
[2020-09-25 12:03:33,509 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 12:03:33,511 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:33,514 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:33,520 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:33,521 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 12:03:33,521 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:33,522 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 12:03:33,522 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:33,523 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:33,523 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:03:33,524 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:03:33,524 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 12:03:33,524 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 12:03:33,528 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 12:03:33,530 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:33,532 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:33,537 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:33,538 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 12:03:33,538 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:33,538 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 12:03:33,539 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:33,539 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:33,540 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:03:33,540 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:03:33,541 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 12:03:33,541 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 12:03:33,549 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 12:03:33,551 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:33,554 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:33,565 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:33,566 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 12:03:33,566 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:33,567 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 13
[2020-09-25 12:03:33,567 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:33,567 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:33,568 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:03:33,568 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:03:33,569 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 12:03:33,569 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 12:03:33,577 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 12:03:33,579 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:33,581 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:33,585 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:33,586 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 12:03:33,586 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:33,587 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 12:03:33,587 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:33,588 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:33,588 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:03:33,588 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:03:33,589 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 12:03:33,590 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 12:03:33,594 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121
[2020-09-25 12:03:33,596 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:33,599 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:33,605 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:33,606 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 12:03:33,606 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:33,606 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 12:03:33,607 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:33,607 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:33,608 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:03:33,608 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:03:33,608 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 12:03:33,609 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:33,611 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131
[2020-09-25 12:03:33,613 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:33,615 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:33,636 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:33,636 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 12:03:33,637 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:33,637 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 21
[2020-09-25 12:03:33,637 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:33,638 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:33,638 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 12:03:33,639 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:03:33,639 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 12:03:33,640 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 12:03:33,691 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141
[2020-09-25 12:03:33,694 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:33,721 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:33,725 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:33,728 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 12:03:33,728 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:33,728 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 30
[2020-09-25 12:03:33,728 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:33,729 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:33,729 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 12:03:33,729 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 12:03:33,729 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 12:03:33,729 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:33,776 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 12:03:33,778 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [136959998]
[2020-09-25 12:03:33,780 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 12:03:33,781 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-25 12:03:33,782 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461260506]
[2020-09-25 12:03:33,792 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-25 12:03:33,792 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 12:03:33,812 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-25 12:03:33,813 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2020-09-25 12:03:33,816 INFO  L87              Difference]: Start difference. First operand 285 states. Second operand 8 states.
[2020-09-25 12:03:34,606 WARN  L193               SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 12:03:36,109 WARN  L193               SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 12:03:36,455 WARN  L193               SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 12:03:36,823 WARN  L193               SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 12:03:37,231 WARN  L193               SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 12:03:37,547 WARN  L193               SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 12:03:37,880 WARN  L193               SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 12:03:38,173 WARN  L193               SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 12:03:39,342 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 12:03:39,343 INFO  L93              Difference]: Finished difference Result 537 states and 668 transitions.
[2020-09-25 12:03:39,344 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2020-09-25 12:03:39,346 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 153
[2020-09-25 12:03:39,347 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 12:03:39,367 INFO  L225             Difference]: With dead ends: 537
[2020-09-25 12:03:39,367 INFO  L226             Difference]: Without dead ends: 373
[2020-09-25 12:03:39,373 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240
[2020-09-25 12:03:39,398 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 373 states.
[2020-09-25 12:03:39,505 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 330.
[2020-09-25 12:03:39,507 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 330 states.
[2020-09-25 12:03:39,510 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 374 transitions.
[2020-09-25 12:03:39,513 INFO  L78                 Accepts]: Start accepts. Automaton has 330 states and 374 transitions. Word has length 153
[2020-09-25 12:03:39,514 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 12:03:39,514 INFO  L479      AbstractCegarLoop]: Abstraction has 330 states and 374 transitions.
[2020-09-25 12:03:39,514 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-25 12:03:39,514 INFO  L276                IsEmpty]: Start isEmpty. Operand 330 states and 374 transitions.
[2020-09-25 12:03:39,521 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 160
[2020-09-25 12:03:39,521 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 12:03:39,521 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]
[2020-09-25 12:03:39,522 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 12:03:39,522 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 12:03:39,522 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 12:03:39,522 INFO  L82        PathProgramCache]: Analyzing trace with hash 1180274337, now seen corresponding path program 1 times
[2020-09-25 12:03:39,523 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 12:03:39,523 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [756623362]
[2020-09-25 12:03:39,523 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 12:03:39,582 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:39,637 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:39,738 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:39,883 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:44,496 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:44,613 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:44,614 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 194
[2020-09-25 12:03:44,614 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 4
[2020-09-25 12:03:44,614 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5029
[2020-09-25 12:03:44,614 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:44,614 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:44,615 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:03:44,615 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 81
[2020-09-25 12:03:44,615 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 67
[2020-09-25 12:03:44,615 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:44,909 WARN  L193               SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 12:03:44,910 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 12:03:44,945 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:44,983 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:45,186 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:45,187 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 12:03:45,187 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:45,187 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 239
[2020-09-25 12:03:45,187 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:45,188 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:45,188 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:03:45,188 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:03:45,188 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 77
[2020-09-25 12:03:45,188 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:45,229 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 12:03:45,230 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:45,232 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:45,234 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:45,235 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 12:03:45,235 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:45,235 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 12:03:45,235 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:45,236 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:45,236 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:03:45,236 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:03:45,236 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 12:03:45,236 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 12:03:45,237 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 12:03:45,238 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:45,240 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:45,242 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:45,242 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 12:03:45,242 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:45,243 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 12:03:45,243 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:45,243 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:45,243 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:03:45,244 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:03:45,244 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 12:03:45,244 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 12:03:45,245 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 12:03:45,246 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:45,248 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:45,253 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:45,254 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 12:03:45,254 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:45,254 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 12:03:45,254 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:45,255 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:45,255 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:03:45,255 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:03:45,255 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 12:03:45,255 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:45,257 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 12:03:45,258 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:45,260 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:45,262 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:45,262 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 12:03:45,262 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:45,263 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 12:03:45,263 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:45,263 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:45,263 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:03:45,264 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:03:45,264 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 12:03:45,264 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:45,275 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117
[2020-09-25 12:03:45,276 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:45,278 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:45,285 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:45,285 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 12:03:45,285 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:45,285 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 12:03:45,286 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:45,286 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:45,286 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:03:45,286 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:03:45,287 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 12:03:45,287 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:45,289 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127
[2020-09-25 12:03:45,290 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:45,291 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:45,292 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:45,292 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 12:03:45,293 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:45,293 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 12:03:45,293 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:45,293 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:45,293 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 12:03:45,294 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 12:03:45,294 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 12:03:45,294 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:45,296 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137
[2020-09-25 12:03:45,296 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:45,298 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:45,299 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:45,300 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 12:03:45,300 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:45,300 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 12:03:45,300 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:45,300 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:45,301 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 12:03:45,301 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 12:03:45,301 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 12:03:45,301 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:45,303 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147
[2020-09-25 12:03:45,304 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:45,305 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:45,307 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:45,307 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 12:03:45,307 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:45,307 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 12:03:45,308 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:45,308 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:45,308 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 12:03:45,308 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 12:03:45,308 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 12:03:45,309 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:45,337 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 12:03:45,338 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [756623362]
[2020-09-25 12:03:45,338 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 12:03:45,338 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-25 12:03:45,339 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982084252]
[2020-09-25 12:03:45,341 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-25 12:03:45,341 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 12:03:45,341 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-25 12:03:45,341 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-09-25 12:03:45,342 INFO  L87              Difference]: Start difference. First operand 330 states and 374 transitions. Second operand 5 states.
[2020-09-25 12:03:45,785 WARN  L193               SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 12:03:46,839 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 12:03:46,839 INFO  L93              Difference]: Finished difference Result 598 states and 731 transitions.
[2020-09-25 12:03:46,841 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-09-25 12:03:46,841 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 159
[2020-09-25 12:03:46,842 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 12:03:46,853 INFO  L225             Difference]: With dead ends: 598
[2020-09-25 12:03:46,854 INFO  L226             Difference]: Without dead ends: 378
[2020-09-25 12:03:46,856 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2020-09-25 12:03:46,857 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 378 states.
[2020-09-25 12:03:46,926 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 328.
[2020-09-25 12:03:46,926 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 328 states.
[2020-09-25 12:03:46,928 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 368 transitions.
[2020-09-25 12:03:46,929 INFO  L78                 Accepts]: Start accepts. Automaton has 328 states and 368 transitions. Word has length 159
[2020-09-25 12:03:46,930 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 12:03:46,930 INFO  L479      AbstractCegarLoop]: Abstraction has 328 states and 368 transitions.
[2020-09-25 12:03:46,930 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-25 12:03:46,930 INFO  L276                IsEmpty]: Start isEmpty. Operand 328 states and 368 transitions.
[2020-09-25 12:03:46,933 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 177
[2020-09-25 12:03:46,934 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 12:03:46,934 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, 1]
[2020-09-25 12:03:46,934 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 12:03:46,934 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 12:03:46,935 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 12:03:46,935 INFO  L82        PathProgramCache]: Analyzing trace with hash -426197068, now seen corresponding path program 1 times
[2020-09-25 12:03:46,935 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 12:03:46,935 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1806281548]
[2020-09-25 12:03:46,936 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 12:03:46,994 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-09-25 12:03:47,002 INFO  L174   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-09-25 12:03:47,003 INFO  L520         BasicCegarLoop]: Counterexample might be feasible
[2020-09-25 12:03:47,008 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 12:03:47,037 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 12:03:47 BoogieIcfgContainer
[2020-09-25 12:03:47,037 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-25 12:03:47,039 INFO  L168              Benchmark]: Toolchain (without parser) took 21644.76 ms. Allocated memory was 136.8 MB in the beginning and 513.8 MB in the end (delta: 377.0 MB). Free memory was 98.9 MB in the beginning and 280.4 MB in the end (delta: -181.5 MB). Peak memory consumption was 195.5 MB. Max. memory is 7.1 GB.
[2020-09-25 12:03:47,040 INFO  L168              Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 136.8 MB. Free memory was 118.3 MB in the beginning and 118.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-09-25 12:03:47,041 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 755.16 ms. Allocated memory was 136.8 MB in the beginning and 200.3 MB in the end (delta: 63.4 MB). Free memory was 98.3 MB in the beginning and 170.3 MB in the end (delta: -72.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB.
[2020-09-25 12:03:47,042 INFO  L168              Benchmark]: Boogie Preprocessor took 119.01 ms. Allocated memory is still 200.3 MB. Free memory was 170.3 MB in the beginning and 166.6 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB.
[2020-09-25 12:03:47,043 INFO  L168              Benchmark]: RCFGBuilder took 1309.84 ms. Allocated memory was 200.3 MB in the beginning and 228.1 MB in the end (delta: 27.8 MB). Free memory was 166.6 MB in the beginning and 179.8 MB in the end (delta: -13.2 MB). Peak memory consumption was 91.6 MB. Max. memory is 7.1 GB.
[2020-09-25 12:03:47,044 INFO  L168              Benchmark]: TraceAbstraction took 19449.53 ms. Allocated memory was 228.1 MB in the beginning and 513.8 MB in the end (delta: 285.7 MB). Free memory was 178.4 MB in the beginning and 280.4 MB in the end (delta: -102.0 MB). Peak memory consumption was 183.7 MB. Max. memory is 7.1 GB.
[2020-09-25 12:03:47,048 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.29 ms. Allocated memory is still 136.8 MB. Free memory was 118.3 MB in the beginning and 118.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 755.16 ms. Allocated memory was 136.8 MB in the beginning and 200.3 MB in the end (delta: 63.4 MB). Free memory was 98.3 MB in the beginning and 170.3 MB in the end (delta: -72.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 119.01 ms. Allocated memory is still 200.3 MB. Free memory was 170.3 MB in the beginning and 166.6 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1309.84 ms. Allocated memory was 200.3 MB in the beginning and 228.1 MB in the end (delta: 27.8 MB). Free memory was 166.6 MB in the beginning and 179.8 MB in the end (delta: -13.2 MB). Peak memory consumption was 91.6 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 19449.53 ms. Allocated memory was 228.1 MB in the beginning and 513.8 MB in the end (delta: 285.7 MB). Free memory was 178.4 MB in the beginning and 280.4 MB in the end (delta: -102.0 MB). Peak memory consumption was 183.7 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - CounterExampleResult [Line: 168]: a call of __VERIFIER_error() is reachable
    a call of __VERIFIER_error() is reachable
We found a FailurePath: 
[L46]               int waterLevel  =    1;
[L47]               int methaneLevelCritical  =    0;
[L173]              int cleanupTimeShifts  =    4;
[L275]              int pumpRunning  =    0;
[L276]              int systemActive  =    1;
[L694]              static struct __ACC__ERR *head  =    (struct __ACC__ERR *)0;
[L249]              int retValue_acc ;
[L250]              int tmp ;
[L254]  FCALL       select_helpers()
[L255]  FCALL       select_features()
[L256]  CALL, EXPR  valid_product()
[L155]              int retValue_acc ;
[L158]              retValue_acc = 1
[L159]              return (retValue_acc);
[L256]  RET, EXPR   valid_product()
[L256]              tmp = valid_product()
[L258]  COND TRUE   \read(tmp)
[L260]  FCALL       setup()
[L261]  CALL        runTest()
[L243]  CALL        test()
[L461]              int splverifierCounter ;
[L462]              int tmp ;
[L463]              int tmp___0 ;
[L464]              int tmp___1 ;
[L465]              int tmp___2 ;
[L468]              splverifierCounter = 0
[L470]  COND TRUE   1
[L472]  COND TRUE   splverifierCounter < 4
[L478]              tmp = __VERIFIER_nondet_int()
[L480]  COND TRUE   \read(tmp)
[L482]  CALL        waterRise()
[L64]   COND TRUE   waterLevel < 2
[L65]               waterLevel = waterLevel + 1
[L482]  RET         waterRise()
[L488]              tmp___0 = __VERIFIER_nondet_int()
[L490]  COND FALSE  !(\read(tmp___0))
[L498]              tmp___2 = __VERIFIER_nondet_int()
[L500]  COND TRUE   \read(tmp___2)
[L513]  CALL        timeShift()
[L283]  COND FALSE  !(\read(pumpRunning))
[L290]  COND TRUE   \read(systemActive)
[L292]  CALL        processEnvironment()
[L312]              int tmp ;
[L315]  COND FALSE  !(\read(pumpRunning))
[L330]  FCALL       processEnvironment__wrappee__methaneQuery()
[L292]  RET         processEnvironment()
[L298]  CALL        __utac_acc__Specification3_spec__1()
[L427]              int tmp ;
[L428]              int tmp___0 ;
[L429]              int tmp___1 ;
[L433]  CALL, EXPR  isMethaneLevelCritical()
[L85]               int retValue_acc ;
[L88]               retValue_acc = methaneLevelCritical
[L89]               return (retValue_acc);
[L433]  RET, EXPR   isMethaneLevelCritical()
[L433]              tmp = isMethaneLevelCritical()
[L435]  COND FALSE  !(\read(tmp))
[L439]  CALL, EXPR  getWaterLevel()
[L117]              int retValue_acc ;
[L120]              retValue_acc = waterLevel
[L121]              return (retValue_acc);
[L439]  RET, EXPR   getWaterLevel()
[L439]              tmp___0 = getWaterLevel()
[L441]  COND TRUE   tmp___0 == 2
[L443]  CALL, EXPR  isPumpRunning()
[L381]              int retValue_acc ;
[L384]              retValue_acc = pumpRunning
[L385]              return (retValue_acc);
[L443]  RET, EXPR   isPumpRunning()
[L443]              tmp___1 = isPumpRunning()
[L445]  COND FALSE  !(\read(tmp___1))
[L449]  CALL        __automaton_fail()
[L168]              __VERIFIER_error()

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 36 procedures, 599 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 19.3s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 7.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 443 SDtfs, 684 SDslu, 691 SDs, 0 SdLazy, 1301 SolverSat, 204 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=330occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 93 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 11.3s InterpolantComputationTime, 488 NumberOfCodeBlocks, 488 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 310 ConstructedInterpolants, 0 QuantifiedInterpolants, 130110 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...