/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=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product06.cil.c


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


This is Ultimate 0.1.25-c90d42b
[2020-09-25 13:10:34,676 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-09-25 13:10:34,680 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 13:10:34,709 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 13:10:34,710 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 13:10:34,711 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 13:10:34,712 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 13:10:34,714 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 13:10:34,716 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 13:10:34,717 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 13:10:34,718 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 13:10:34,719 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 13:10:34,719 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 13:10:34,720 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 13:10:34,721 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 13:10:34,723 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 13:10:34,724 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 13:10:34,725 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 13:10:34,727 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 13:10:34,729 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 13:10:34,730 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 13:10:34,732 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 13:10:34,733 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 13:10:34,734 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 13:10:34,737 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 13:10:34,737 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 13:10:34,738 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 13:10:34,739 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 13:10:34,739 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 13:10:34,740 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 13:10:34,741 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 13:10:34,742 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 13:10:34,743 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 13:10:34,744 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 13:10:34,745 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 13:10:34,745 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 13:10:34,746 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 13:10:34,746 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 13:10:34,746 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 13:10:34,748 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 13:10:34,748 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 13:10:34,749 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 13:10:34,795 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-09-25 13:10:34,795 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 13:10:34,796 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 13:10:34,797 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-09-25 13:10:34,799 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-09-25 13:10:34,799 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 13:10:34,799 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-09-25 13:10:34,799 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-09-25 13:10:34,800 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-09-25 13:10:34,800 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-09-25 13:10:34,800 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 13:10:34,800 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 13:10:34,800 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 13:10:34,801 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-09-25 13:10:34,801 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-09-25 13:10:34,801 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-09-25 13:10:34,801 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-09-25 13:10:34,801 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 13:10:34,802 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-09-25 13:10:34,804 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-09-25 13:10:34,804 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-09-25 13:10:34,804 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 13:10:34,804 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 13:10:34,805 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 13:10:34,805 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 13:10:34,805 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-09-25 13:10:34,806 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 13:10:34,806 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 13:10:34,806 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-09-25 13:10:34,806 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=0.4;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=0.4;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=0.4;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=0.4;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=0.4;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=0.4;log-additional-information=true;
[2020-09-25 13:10:35,295 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 13:10:35,314 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 13:10:35,319 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 13:10:35,321 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-09-25 13:10:35,322 INFO  L275        PluginConnector]: CDTParser initialized
[2020-09-25 13:10:35,323 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product06.cil.c
[2020-09-25 13:10:35,402 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/624fce939/1948ba4caa4d4d56ba834ab82c6e3e6c/FLAG18626b6c0
[2020-09-25 13:10:36,062 INFO  L306              CDTParser]: Found 1 translation units.
[2020-09-25 13:10:36,063 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product06.cil.c
[2020-09-25 13:10:36,077 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/624fce939/1948ba4caa4d4d56ba834ab82c6e3e6c/FLAG18626b6c0
[2020-09-25 13:10:36,297 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/624fce939/1948ba4caa4d4d56ba834ab82c6e3e6c
[2020-09-25 13:10:36,312 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 13:10:36,318 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 13:10:36,320 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 13:10:36,320 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 13:10:36,324 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 13:10:36,325 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:10:36" (1/1) ...
[2020-09-25 13:10:36,329 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@638c4c55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:10:36, skipping insertion in model container
[2020-09-25 13:10:36,329 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:10:36" (1/1) ...
[2020-09-25 13:10:36,338 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-09-25 13:10:36,388 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-09-25 13:10:36,886 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 13:10:36,903 INFO  L203         MainTranslator]: Completed pre-run
[2020-09-25 13:10:36,986 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 13:10:37,035 INFO  L208         MainTranslator]: Completed translation
[2020-09-25 13:10:37,037 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:10:37 WrapperNode
[2020-09-25 13:10:37,037 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 13:10:37,038 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 13:10:37,038 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 13:10:37,038 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 13:10:37,054 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:10:37" (1/1) ...
[2020-09-25 13:10:37,054 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:10:37" (1/1) ...
[2020-09-25 13:10:37,075 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:10:37" (1/1) ...
[2020-09-25 13:10:37,076 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:10:37" (1/1) ...
[2020-09-25 13:10:37,110 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:10:37" (1/1) ...
[2020-09-25 13:10:37,121 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:10:37" (1/1) ...
[2020-09-25 13:10:37,126 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:10:37" (1/1) ...
[2020-09-25 13:10:37,135 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 13:10:37,135 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 13:10:37,136 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 13:10:37,136 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-09-25 13:10:37,137 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:10:37" (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 13:10:37,214 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 13:10:37,214 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 13:10:37,215 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-09-25 13:10:37,215 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-09-25 13:10:37,221 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-09-25 13:10:37,221 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-09-25 13:10:37,221 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-09-25 13:10:37,222 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-09-25 13:10:37,223 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-09-25 13:10:37,223 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-09-25 13:10:37,223 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-09-25 13:10:37,223 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-09-25 13:10:37,223 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-09-25 13:10:37,223 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-09-25 13:10:37,223 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-09-25 13:10:37,224 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-09-25 13:10:37,224 INFO  L138     BoogieDeclarations]: Found implementation of procedure startSystem
[2020-09-25 13:10:37,224 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-09-25 13:10:37,224 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-09-25 13:10:37,225 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-09-25 13:10:37,225 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-09-25 13:10:37,225 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-09-25 13:10:37,225 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-09-25 13:10:37,225 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-09-25 13:10:37,226 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-09-25 13:10:37,226 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-09-25 13:10:37,226 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-09-25 13:10:37,226 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-09-25 13:10:37,226 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 13:10:37,226 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-09-25 13:10:37,227 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-09-25 13:10:37,227 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-09-25 13:10:37,227 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-09-25 13:10:37,227 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-09-25 13:10:37,227 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-09-25 13:10:37,228 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1
[2020-09-25 13:10:37,228 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 13:10:37,228 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 13:10:37,228 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-09-25 13:10:37,228 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-09-25 13:10:37,228 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-09-25 13:10:37,229 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-09-25 13:10:37,229 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-09-25 13:10:37,229 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-09-25 13:10:37,229 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-09-25 13:10:37,229 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-09-25 13:10:37,229 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-09-25 13:10:37,230 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-09-25 13:10:37,230 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-09-25 13:10:37,234 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-09-25 13:10:37,234 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-09-25 13:10:37,234 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-09-25 13:10:37,234 INFO  L130     BoogieDeclarations]: Found specification of procedure startSystem
[2020-09-25 13:10:37,235 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1
[2020-09-25 13:10:37,235 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-09-25 13:10:37,235 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-09-25 13:10:37,235 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-09-25 13:10:37,235 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 13:10:37,235 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-09-25 13:10:37,236 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-09-25 13:10:37,236 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-09-25 13:10:37,236 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-09-25 13:10:37,236 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-09-25 13:10:37,236 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-09-25 13:10:37,236 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-09-25 13:10:37,237 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-09-25 13:10:37,237 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-09-25 13:10:37,237 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-09-25 13:10:37,237 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-09-25 13:10:37,237 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-09-25 13:10:37,237 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-09-25 13:10:37,237 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-25 13:10:37,238 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-25 13:10:37,238 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 13:10:37,238 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-25 13:10:37,238 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-09-25 13:10:37,238 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 13:10:37,238 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-09-25 13:10:37,239 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-09-25 13:10:37,239 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 13:10:37,239 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-09-25 13:10:37,239 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-09-25 13:10:37,239 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-09-25 13:10:37,239 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 13:10:37,240 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-25 13:10:37,240 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 13:10:38,445 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 13:10:38,446 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-09-25 13:10:38,455 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:10:38 BoogieIcfgContainer
[2020-09-25 13:10:38,455 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 13:10:38,458 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 13:10:38,458 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 13:10:38,462 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-09-25 13:10:38,462 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 01:10:36" (1/3) ...
[2020-09-25 13:10:38,463 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39660dab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:10:38, skipping insertion in model container
[2020-09-25 13:10:38,464 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:10:37" (2/3) ...
[2020-09-25 13:10:38,464 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39660dab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:10:38, skipping insertion in model container
[2020-09-25 13:10:38,464 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:10:38" (3/3) ...
[2020-09-25 13:10:38,467 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec3_product06.cil.c
[2020-09-25 13:10:38,478 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 13:10:38,491 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 13:10:38,512 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 13:10:38,543 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-09-25 13:10:38,543 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-09-25 13:10:38,543 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 13:10:38,543 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 13:10:38,544 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 13:10:38,544 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-09-25 13:10:38,544 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 13:10:38,544 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 13:10:38,574 INFO  L276                IsEmpty]: Start isEmpty. Operand 279 states.
[2020-09-25 13:10:38,593 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 154
[2020-09-25 13:10:38,594 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 13:10:38,595 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 13:10:38,596 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 13:10:38,604 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 13:10:38,604 INFO  L82        PathProgramCache]: Analyzing trace with hash 1857034691, now seen corresponding path program 1 times
[2020-09-25 13:10:38,615 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 13:10:38,616 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2039850855]
[2020-09-25 13:10:38,616 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 13:10:38,935 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:10:39,172 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:10:39,349 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:10:41,095 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:10:43,948 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:10:43,948 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 186
[2020-09-25 13:10:43,949 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 13:10:43,953 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5003
[2020-09-25 13:10:43,957 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:10:43,957 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:10:43,957 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 8
[2020-09-25 13:10:43,957 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 78
[2020-09-25 13:10:43,958 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 62
[2020-09-25 13:10:43,958 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 4
[2020-09-25 13:10:44,643 WARN  L193               SmtUtils]: Spent 462.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 13:10:44,646 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 13:10:44,695 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:10:44,746 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:10:45,038 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:10:45,039 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 13:10:45,039 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:10:45,039 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 342
[2020-09-25 13:10:45,040 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:10:45,040 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:10:45,040 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:10:45,041 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:10:45,041 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 74
[2020-09-25 13:10:45,041 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:10:45,113 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 13:10:45,115 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:10:45,116 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:10:45,119 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:10:45,120 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 13:10:45,123 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:10:45,123 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 13:10:45,123 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:10:45,124 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:10:45,124 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:10:45,124 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:10:45,124 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 13:10:45,125 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:10:45,127 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 13:10:45,128 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:10:45,129 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:10:45,132 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:10:45,133 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 13:10:45,133 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:10:45,133 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 13:10:45,134 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:10:45,134 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:10:45,134 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:10:45,134 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:10:45,134 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 13:10:45,135 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:10:45,136 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 13:10:45,138 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:10:45,140 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:10:45,149 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:10:45,149 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 13:10:45,149 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:10:45,149 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 10
[2020-09-25 13:10:45,150 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:10:45,150 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:10:45,150 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:10:45,150 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:10:45,151 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 13:10:45,151 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:10:45,153 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 13:10:45,155 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:10:45,156 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:10:45,160 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:10:45,161 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 13:10:45,161 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:10:45,161 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 13:10:45,161 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:10:45,162 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:10:45,162 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:10:45,162 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:10:45,162 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 13:10:45,163 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:10:45,164 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121
[2020-09-25 13:10:45,165 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:10:45,167 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:10:45,169 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:10:45,170 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 13:10:45,170 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:10:45,170 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 13:10:45,170 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:10:45,171 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:10:45,171 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 13:10:45,171 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 13:10:45,171 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 13:10:45,172 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:10:45,174 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131
[2020-09-25 13:10:45,175 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:10:45,177 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:10:45,179 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:10:45,179 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 13:10:45,179 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:10:45,180 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 13:10:45,180 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:10:45,180 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:10:45,181 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 13:10:45,181 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 13:10:45,181 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 13:10:45,181 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:10:45,183 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141
[2020-09-25 13:10:45,185 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:10:45,186 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:10:45,188 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:10:45,189 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 13:10:45,189 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:10:45,189 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 13:10:45,189 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:10:45,190 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:10:45,190 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 13:10:45,190 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 13:10:45,190 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 13:10:45,191 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:10:45,222 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 13:10:45,223 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2039850855]
[2020-09-25 13:10:45,226 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 13:10:45,226 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-25 13:10:45,227 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475817488]
[2020-09-25 13:10:45,234 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-25 13:10:45,235 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 13:10:45,253 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-25 13:10:45,254 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-09-25 13:10:45,257 INFO  L87              Difference]: Start difference. First operand 279 states. Second operand 4 states.
[2020-09-25 13:10:45,898 WARN  L193               SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 13:10:47,393 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 13:10:47,394 INFO  L93              Difference]: Finished difference Result 422 states and 505 transitions.
[2020-09-25 13:10:47,395 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-09-25 13:10:47,397 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 153
[2020-09-25 13:10:47,399 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 13:10:47,421 INFO  L225             Difference]: With dead ends: 422
[2020-09-25 13:10:47,422 INFO  L226             Difference]: Without dead ends: 268
[2020-09-25 13:10:47,429 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-09-25 13:10:47,458 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 268 states.
[2020-09-25 13:10:47,555 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 228.
[2020-09-25 13:10:47,557 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 228 states.
[2020-09-25 13:10:47,560 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 245 transitions.
[2020-09-25 13:10:47,563 INFO  L78                 Accepts]: Start accepts. Automaton has 228 states and 245 transitions. Word has length 153
[2020-09-25 13:10:47,564 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 13:10:47,564 INFO  L479      AbstractCegarLoop]: Abstraction has 228 states and 245 transitions.
[2020-09-25 13:10:47,564 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-25 13:10:47,565 INFO  L276                IsEmpty]: Start isEmpty. Operand 228 states and 245 transitions.
[2020-09-25 13:10:47,570 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 163
[2020-09-25 13:10:47,571 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 13:10:47,571 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]
[2020-09-25 13:10:47,572 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 13:10:47,572 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 13:10:47,572 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 13:10:47,573 INFO  L82        PathProgramCache]: Analyzing trace with hash 874742450, now seen corresponding path program 1 times
[2020-09-25 13:10:47,573 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 13:10:47,573 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1940833836]
[2020-09-25 13:10:47,573 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 13:10:47,646 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:10:47,719 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:10:48,005 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:10:51,025 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:10:51,026 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 199
[2020-09-25 13:10:51,026 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 13:10:51,027 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3374
[2020-09-25 13:10:51,027 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:10:51,027 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:10:51,028 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 16
[2020-09-25 13:10:51,028 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 79
[2020-09-25 13:10:51,028 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 104
[2020-09-25 13:10:51,029 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:10:51,495 WARN  L193               SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 13:10:51,497 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 13:10:51,539 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:10:51,580 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:10:51,799 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:10:51,800 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 13:10:51,800 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:10:51,800 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 259
[2020-09-25 13:10:51,800 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:10:51,801 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:10:51,801 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:10:51,801 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:10:51,801 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 75
[2020-09-25 13:10:51,802 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:10:51,853 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 13:10:51,854 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:10:51,856 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:10:51,860 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:10:51,860 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 13:10:51,860 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:10:51,861 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 13:10:51,861 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:10:51,861 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:10:51,862 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:10:51,862 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:10:51,862 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 13:10:51,863 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:10:51,864 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 13:10:51,865 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:10:51,867 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:10:51,870 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:10:51,871 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 13:10:51,871 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:10:51,871 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 13:10:51,872 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:10:51,872 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:10:51,872 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:10:51,873 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:10:51,873 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 13:10:51,873 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:10:51,875 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 13:10:51,877 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:10:51,879 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:10:51,887 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:10:51,887 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 13:10:51,887 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:10:51,888 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 9
[2020-09-25 13:10:51,888 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:10:51,888 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:10:51,888 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:10:51,889 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:10:51,889 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 13:10:51,889 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:10:51,891 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 13:10:51,892 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:10:51,894 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:10:51,896 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:10:51,897 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 13:10:51,897 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:10:51,897 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 13:10:51,897 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:10:51,898 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:10:51,898 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:10:51,898 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:10:51,898 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 13:10:51,898 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:10:51,914 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118
[2020-09-25 13:10:51,916 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:10:51,918 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:10:51,922 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:10:51,922 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 15
[2020-09-25 13:10:51,923 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:10:51,923 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 13:10:51,923 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:10:51,924 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:10:51,924 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:10:51,924 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:10:51,925 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 11
[2020-09-25 13:10:51,925 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:10:51,927 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 13:10:51,928 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:10:51,930 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:10:51,931 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:10:51,932 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 13:10:51,932 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:10:51,932 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 13:10:51,932 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:10:51,933 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:10:51,933 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 13:10:51,933 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:10:51,933 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 13:10:51,934 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:10:51,935 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130
[2020-09-25 13:10:51,936 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:10:51,938 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:10:51,941 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:10:51,942 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 13:10:51,942 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:10:51,942 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 13:10:51,943 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:10:51,943 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:10:51,943 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:10:51,944 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:10:51,944 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 13:10:51,944 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:10:51,947 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140
[2020-09-25 13:10:51,948 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:10:51,950 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:10:51,959 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:10:51,959 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 13:10:51,959 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:10:51,960 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 9
[2020-09-25 13:10:51,960 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:10:51,960 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:10:51,960 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 13:10:51,961 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:10:51,961 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 13:10:51,961 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:10:52,004 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150
[2020-09-25 13:10:52,005 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:10:52,007 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:10:52,009 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:10:52,010 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 13:10:52,010 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:10:52,010 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 13:10:52,011 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:10:52,011 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:10:52,011 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 13:10:52,012 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 13:10:52,012 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 13:10:52,012 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:10:52,091 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 13:10:52,092 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1940833836]
[2020-09-25 13:10:52,092 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 13:10:52,092 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2020-09-25 13:10:52,092 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275117029]
[2020-09-25 13:10:52,095 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-09-25 13:10:52,095 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 13:10:52,095 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-09-25 13:10:52,096 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90
[2020-09-25 13:10:52,096 INFO  L87              Difference]: Start difference. First operand 228 states and 245 transitions. Second operand 10 states.
[2020-09-25 13:10:52,603 WARN  L193               SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 13:10:54,847 WARN  L193               SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188
[2020-09-25 13:10:55,566 WARN  L193               SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190
[2020-09-25 13:10:55,919 WARN  L193               SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 13:10:56,284 WARN  L193               SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 193
[2020-09-25 13:10:56,615 WARN  L193               SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 13:10:57,155 WARN  L193               SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 13:10:57,478 WARN  L193               SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 192
[2020-09-25 13:10:57,826 WARN  L193               SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 13:10:58,827 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 13:10:58,827 INFO  L93              Difference]: Finished difference Result 569 states and 719 transitions.
[2020-09-25 13:10:58,828 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2020-09-25 13:10:58,828 INFO  L78                 Accepts]: Start accepts. Automaton has 10 states. Word has length 162
[2020-09-25 13:10:58,830 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 13:10:58,845 INFO  L225             Difference]: With dead ends: 569
[2020-09-25 13:10:58,846 INFO  L226             Difference]: Without dead ends: 427
[2020-09-25 13:10:58,849 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380
[2020-09-25 13:10:58,851 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 427 states.
[2020-09-25 13:10:58,924 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 331.
[2020-09-25 13:10:58,925 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 331 states.
[2020-09-25 13:10:58,927 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 366 transitions.
[2020-09-25 13:10:58,927 INFO  L78                 Accepts]: Start accepts. Automaton has 331 states and 366 transitions. Word has length 162
[2020-09-25 13:10:58,928 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 13:10:58,928 INFO  L479      AbstractCegarLoop]: Abstraction has 331 states and 366 transitions.
[2020-09-25 13:10:58,928 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-09-25 13:10:58,928 INFO  L276                IsEmpty]: Start isEmpty. Operand 331 states and 366 transitions.
[2020-09-25 13:10:58,932 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 181
[2020-09-25 13:10:58,932 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 13:10:58,932 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, 1, 1, 1, 1]
[2020-09-25 13:10:58,933 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 13:10:58,933 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 13:10:58,933 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 13:10:58,934 INFO  L82        PathProgramCache]: Analyzing trace with hash -1398687596, now seen corresponding path program 1 times
[2020-09-25 13:10:58,934 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 13:10:58,934 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1669338525]
[2020-09-25 13:10:58,934 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 13:10:58,995 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-09-25 13:10:59,004 INFO  L174   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-09-25 13:10:59,004 INFO  L520         BasicCegarLoop]: Counterexample might be feasible
[2020-09-25 13:10:59,009 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 13:10:59,036 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 01:10:59 BoogieIcfgContainer
[2020-09-25 13:10:59,036 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-25 13:10:59,039 INFO  L168              Benchmark]: Toolchain (without parser) took 22724.93 ms. Allocated memory was 146.3 MB in the beginning and 503.8 MB in the end (delta: 357.6 MB). Free memory was 101.0 MB in the beginning and 424.5 MB in the end (delta: -323.5 MB). Peak memory consumption was 34.1 MB. Max. memory is 7.1 GB.
[2020-09-25 13:10:59,039 INFO  L168              Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 146.3 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-09-25 13:10:59,040 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 717.77 ms. Allocated memory was 146.3 MB in the beginning and 202.9 MB in the end (delta: 56.6 MB). Free memory was 100.4 MB in the beginning and 170.1 MB in the end (delta: -69.7 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB.
[2020-09-25 13:10:59,041 INFO  L168              Benchmark]: Boogie Preprocessor took 97.30 ms. Allocated memory is still 202.9 MB. Free memory was 170.1 MB in the beginning and 166.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB.
[2020-09-25 13:10:59,042 INFO  L168              Benchmark]: RCFGBuilder took 1319.83 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 166.1 MB in the beginning and 180.0 MB in the end (delta: -13.9 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB.
[2020-09-25 13:10:59,043 INFO  L168              Benchmark]: TraceAbstraction took 20579.08 ms. Allocated memory was 236.5 MB in the beginning and 503.8 MB in the end (delta: 267.4 MB). Free memory was 178.5 MB in the beginning and 424.5 MB in the end (delta: -246.0 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB.
[2020-09-25 13:10:59,047 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.24 ms. Allocated memory is still 146.3 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 717.77 ms. Allocated memory was 146.3 MB in the beginning and 202.9 MB in the end (delta: 56.6 MB). Free memory was 100.4 MB in the beginning and 170.1 MB in the end (delta: -69.7 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 97.30 ms. Allocated memory is still 202.9 MB. Free memory was 170.1 MB in the beginning and 166.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1319.83 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 166.1 MB in the beginning and 180.0 MB in the end (delta: -13.9 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 20579.08 ms. Allocated memory was 236.5 MB in the beginning and 503.8 MB in the end (delta: 267.4 MB). Free memory was 178.5 MB in the beginning and 424.5 MB in the end (delta: -246.0 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - CounterExampleResult [Line: 44]: a call of __VERIFIER_error() is reachable
    a call of __VERIFIER_error() is reachable
We found a FailurePath: 
[L96]               int pumpRunning  =    0;
[L97]               int systemActive  =    1;
[L309]              int waterLevel  =    1;
[L310]              int methaneLevelCritical  =    0;
[L389]              int cleanupTimeShifts  =    4;
[L654]              static struct __ACC__ERR *head  =    (struct __ACC__ERR *)0;
[L462]              int retValue_acc ;
[L463]              int tmp ;
[L467]  FCALL       select_helpers()
[L468]  FCALL       select_features()
[L469]  CALL, EXPR  valid_product()
[L78]               int retValue_acc ;
[L81]               retValue_acc = 1
[L82]               return (retValue_acc);
[L469]  RET, EXPR   valid_product()
[L469]              tmp = valid_product()
[L471]  COND TRUE   \read(tmp)
[L473]  FCALL       setup()
[L474]  CALL        runTest()
[L456]  CALL        test()
[L242]              int splverifierCounter ;
[L243]              int tmp ;
[L244]              int tmp___0 ;
[L245]              int tmp___1 ;
[L246]              int tmp___2 ;
[L249]              splverifierCounter = 0
[L251]  COND TRUE   1
[L253]  COND TRUE   splverifierCounter < 4
[L259]              tmp = __VERIFIER_nondet_int()
[L261]  COND TRUE   \read(tmp)
[L263]  CALL        waterRise()
[L327]  COND TRUE   waterLevel < 2
[L328]              waterLevel = waterLevel + 1
[L263]  RET         waterRise()
[L269]              tmp___0 = __VERIFIER_nondet_int()
[L271]  COND FALSE  !(\read(tmp___0))
[L279]              tmp___2 = __VERIFIER_nondet_int()
[L281]  COND TRUE   \read(tmp___2)
[L283]  CALL        startSystem()
[L233]              systemActive = 1
[L283]  RET         startSystem()
[L296]  CALL        timeShift()
[L104]  COND FALSE  !(\read(pumpRunning))
[L111]  COND TRUE   \read(systemActive)
[L113]  CALL        processEnvironment()
[L133]              int tmp ;
[L136]  COND FALSE  !(\read(pumpRunning))
[L151]  FCALL       processEnvironment__wrappee__base()
[L113]  RET         processEnvironment()
[L119]  CALL        __utac_acc__Specification3_spec__1()
[L852]              int tmp ;
[L853]              int tmp___0 ;
[L854]              int tmp___1 ;
[L858]  CALL, EXPR  isMethaneLevelCritical()
[L348]              int retValue_acc ;
[L351]              retValue_acc = methaneLevelCritical
[L352]              return (retValue_acc);
[L858]  RET, EXPR   isMethaneLevelCritical()
[L858]              tmp = isMethaneLevelCritical()
[L860]  COND FALSE  !(\read(tmp))
[L864]  CALL, EXPR  getWaterLevel()
[L380]              int retValue_acc ;
[L383]              retValue_acc = waterLevel
[L384]              return (retValue_acc);
[L864]  RET, EXPR   getWaterLevel()
[L864]              tmp___0 = getWaterLevel()
[L866]  COND TRUE   tmp___0 == 2
[L868]  CALL, EXPR  isPumpRunning()
[L185]              int retValue_acc ;
[L188]              retValue_acc = pumpRunning
[L189]              return (retValue_acc);
[L868]  RET, EXPR   isPumpRunning()
[L868]              tmp___1 = isPumpRunning()
[L870]  COND FALSE  !(\read(tmp___1))
[L874]  CALL        __automaton_fail()
[L44]               __VERIFIER_error()

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 36 procedures, 594 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 20.4s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 8.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 444 SDtfs, 777 SDslu, 756 SDs, 0 SdLazy, 1534 SolverSat, 274 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 67 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=331occurred 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: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 136 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 10.6s InterpolantComputationTime, 495 NumberOfCodeBlocks, 495 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 313 ConstructedInterpolants, 0 QuantifiedInterpolants, 140987 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...