/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=DEEPEST --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_product03.cil.c


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


This is Ultimate 0.1.25-c90d42b
[2020-09-25 00:41:36,322 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-09-25 00:41:36,327 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 00:41:36,371 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 00:41:36,372 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 00:41:36,382 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 00:41:36,384 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 00:41:36,386 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 00:41:36,393 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 00:41:36,394 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 00:41:36,395 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 00:41:36,397 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 00:41:36,398 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 00:41:36,400 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 00:41:36,401 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 00:41:36,405 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 00:41:36,406 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 00:41:36,408 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 00:41:36,410 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 00:41:36,416 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 00:41:36,420 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 00:41:36,421 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 00:41:36,424 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 00:41:36,425 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 00:41:36,429 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 00:41:36,430 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 00:41:36,430 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 00:41:36,433 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 00:41:36,434 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 00:41:36,436 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 00:41:36,436 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 00:41:36,437 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 00:41:36,438 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 00:41:36,439 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 00:41:36,440 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 00:41:36,440 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 00:41:36,441 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 00:41:36,441 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 00:41:36,441 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 00:41:36,442 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 00:41:36,444 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 00:41:36,445 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 00:41:36,488 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-09-25 00:41:36,488 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 00:41:36,490 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 00:41:36,490 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-09-25 00:41:36,491 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-09-25 00:41:36,491 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 00:41:36,491 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-09-25 00:41:36,492 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-09-25 00:41:36,492 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-09-25 00:41:36,492 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-09-25 00:41:36,493 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 00:41:36,494 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 00:41:36,494 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 00:41:36,494 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-09-25 00:41:36,494 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-09-25 00:41:36,495 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-09-25 00:41:36,495 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-09-25 00:41:36,495 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 00:41:36,495 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-09-25 00:41:36,495 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-09-25 00:41:36,496 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-09-25 00:41:36,496 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 00:41:36,496 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 00:41:36,496 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 00:41:36,497 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 00:41:36,497 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-09-25 00:41:36,497 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 00:41:36,497 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 00:41:36,497 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-09-25 00:41:36,498 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=DEEPEST;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=DEEPEST;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=DEEPEST;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=DEEPEST;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=DEEPEST;log-additional-information=true;
[2020-09-25 00:41:36,979 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 00:41:37,004 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 00:41:37,012 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 00:41:37,014 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-09-25 00:41:37,015 INFO  L275        PluginConnector]: CDTParser initialized
[2020-09-25 00:41:37,016 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product03.cil.c
[2020-09-25 00:41:37,092 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e52421c56/6f9e0643c8ad4f378b9318de1e1e205c/FLAG0f28e2dc5
[2020-09-25 00:41:37,701 INFO  L306              CDTParser]: Found 1 translation units.
[2020-09-25 00:41:37,702 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product03.cil.c
[2020-09-25 00:41:37,716 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e52421c56/6f9e0643c8ad4f378b9318de1e1e205c/FLAG0f28e2dc5
[2020-09-25 00:41:37,993 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e52421c56/6f9e0643c8ad4f378b9318de1e1e205c
[2020-09-25 00:41:38,006 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 00:41:38,011 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 00:41:38,012 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 00:41:38,012 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 00:41:38,017 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 00:41:38,018 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:41:37" (1/1) ...
[2020-09-25 00:41:38,021 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63832a2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:41:38, skipping insertion in model container
[2020-09-25 00:41:38,022 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:41:37" (1/1) ...
[2020-09-25 00:41:38,031 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-09-25 00:41:38,088 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-09-25 00:41:38,589 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 00:41:38,605 INFO  L203         MainTranslator]: Completed pre-run
[2020-09-25 00:41:38,686 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 00:41:38,736 INFO  L208         MainTranslator]: Completed translation
[2020-09-25 00:41:38,738 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:41:38 WrapperNode
[2020-09-25 00:41:38,738 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 00:41:38,739 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 00:41:38,739 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 00:41:38,739 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 00:41:38,753 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:41:38" (1/1) ...
[2020-09-25 00:41:38,755 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:41:38" (1/1) ...
[2020-09-25 00:41:38,776 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:41:38" (1/1) ...
[2020-09-25 00:41:38,778 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:41:38" (1/1) ...
[2020-09-25 00:41:38,812 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:41:38" (1/1) ...
[2020-09-25 00:41:38,825 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:41:38" (1/1) ...
[2020-09-25 00:41:38,841 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:41:38" (1/1) ...
[2020-09-25 00:41:38,854 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 00:41:38,855 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 00:41:38,855 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 00:41:38,855 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-09-25 00:41:38,862 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:41:38" (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 00:41:38,967 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 00:41:38,967 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 00:41:38,967 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-09-25 00:41:38,968 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-09-25 00:41:38,968 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-09-25 00:41:38,968 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-09-25 00:41:38,968 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-09-25 00:41:38,968 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-09-25 00:41:38,969 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-09-25 00:41:38,969 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-09-25 00:41:38,969 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-09-25 00:41:38,969 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopSystem
[2020-09-25 00:41:38,969 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-09-25 00:41:38,969 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-09-25 00:41:38,970 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-09-25 00:41:38,970 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-09-25 00:41:38,970 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-09-25 00:41:38,970 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-09-25 00:41:38,971 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-09-25 00:41:38,971 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-09-25 00:41:38,971 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-09-25 00:41:38,971 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-09-25 00:41:38,971 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-09-25 00:41:38,972 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1
[2020-09-25 00:41:38,972 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-09-25 00:41:38,972 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-09-25 00:41:38,972 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-09-25 00:41:38,972 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-09-25 00:41:38,972 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 00:41:38,973 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-09-25 00:41:38,973 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-09-25 00:41:38,973 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-09-25 00:41:38,973 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-09-25 00:41:38,973 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-09-25 00:41:38,973 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-09-25 00:41:38,974 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 00:41:38,974 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 00:41:38,974 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-09-25 00:41:38,974 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-09-25 00:41:38,974 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-09-25 00:41:38,974 INFO  L130     BoogieDeclarations]: Found specification of procedure stopSystem
[2020-09-25 00:41:38,975 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-09-25 00:41:38,975 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-09-25 00:41:38,975 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-09-25 00:41:38,975 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-09-25 00:41:38,975 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-09-25 00:41:38,975 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-09-25 00:41:38,975 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-09-25 00:41:38,976 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-09-25 00:41:38,976 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-09-25 00:41:38,976 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-09-25 00:41:38,976 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1
[2020-09-25 00:41:38,976 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-09-25 00:41:38,977 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-09-25 00:41:38,977 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 00:41:38,977 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-09-25 00:41:38,977 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-09-25 00:41:38,977 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-09-25 00:41:38,977 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-09-25 00:41:38,978 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-25 00:41:38,978 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-25 00:41:38,978 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 00:41:38,978 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-25 00:41:38,978 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-09-25 00:41:38,978 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 00:41:38,979 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-09-25 00:41:38,979 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-09-25 00:41:38,979 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 00:41:38,979 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-09-25 00:41:38,979 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-09-25 00:41:38,979 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-09-25 00:41:38,979 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-09-25 00:41:38,980 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-09-25 00:41:38,980 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-09-25 00:41:38,980 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-09-25 00:41:38,980 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-09-25 00:41:38,980 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-09-25 00:41:38,980 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-09-25 00:41:38,981 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-09-25 00:41:38,981 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-09-25 00:41:38,981 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-09-25 00:41:38,981 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 00:41:38,981 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-25 00:41:38,981 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 00:41:40,154 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 00:41:40,154 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-09-25 00:41:40,161 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:41:40 BoogieIcfgContainer
[2020-09-25 00:41:40,162 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 00:41:40,163 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 00:41:40,163 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 00:41:40,167 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-09-25 00:41:40,167 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:41:37" (1/3) ...
[2020-09-25 00:41:40,168 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55270d02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:41:40, skipping insertion in model container
[2020-09-25 00:41:40,168 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:41:38" (2/3) ...
[2020-09-25 00:41:40,169 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55270d02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:41:40, skipping insertion in model container
[2020-09-25 00:41:40,169 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:41:40" (3/3) ...
[2020-09-25 00:41:40,171 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec3_product03.cil.c
[2020-09-25 00:41:40,183 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 00:41:40,194 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 00:41:40,217 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 00:41:40,247 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-09-25 00:41:40,248 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-09-25 00:41:40,248 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 00:41:40,248 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 00:41:40,248 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 00:41:40,248 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-09-25 00:41:40,248 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 00:41:40,249 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 00:41:40,276 INFO  L276                IsEmpty]: Start isEmpty. Operand 267 states.
[2020-09-25 00:41:40,293 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 154
[2020-09-25 00:41:40,294 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 00:41:40,295 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 00:41:40,296 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 00:41:40,306 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 00:41:40,307 INFO  L82        PathProgramCache]: Analyzing trace with hash -995917748, now seen corresponding path program 1 times
[2020-09-25 00:41:40,318 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 00:41:40,318 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1300559832]
[2020-09-25 00:41:40,319 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 00:41:40,629 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:41:40,761 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:41:40,999 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:41:42,601 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:41:45,667 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:41:45,668 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 186
[2020-09-25 00:41:45,668 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 00:41:45,668 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5029
[2020-09-25 00:41:45,672 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:41:45,673 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:41:45,673 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 129
[2020-09-25 00:41:45,673 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:41:45,674 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 5
[2020-09-25 00:41:46,292 WARN  L193               SmtUtils]: Spent 475.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 00:41:46,303 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 00:41:46,322 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:41:46,334 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:41:46,459 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:41:46,459 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 00:41:46,459 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:41:46,459 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 135
[2020-09-25 00:41:46,460 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:41:46,460 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:41:46,460 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:41:46,460 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:41:46,460 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:41:46,522 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 00:41:46,523 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:41:46,524 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:41:46,526 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:41:46,527 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 00:41:46,527 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:41:46,527 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 00:41:46,527 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:41:46,528 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:41:46,528 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:41:46,528 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:41:46,528 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:41:46,530 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 00:41:46,531 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:41:46,535 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:41:46,537 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:41:46,538 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 00:41:46,538 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:41:46,538 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 00:41:46,538 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:41:46,539 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:41:46,539 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:41:46,539 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:41:46,539 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:41:46,543 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 00:41:46,544 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:41:46,546 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:41:46,551 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:41:46,551 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 00:41:46,551 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:41:46,552 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 00:41:46,552 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:41:46,552 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:41:46,552 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:41:46,552 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:41:46,553 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:41:46,556 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 00:41:46,557 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:41:46,559 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:41:46,560 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:41:46,561 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 00:41:46,561 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:41:46,561 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 00:41:46,561 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:41:46,561 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:41:46,562 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:41:46,562 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:41:46,562 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:41:46,563 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121
[2020-09-25 00:41:46,564 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:41:46,569 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:41:46,571 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:41:46,571 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 00:41:46,572 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:41:46,572 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 00:41:46,572 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:41:46,572 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:41:46,572 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 00:41:46,573 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:41:46,573 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:41:46,575 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131
[2020-09-25 00:41:46,578 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:41:46,580 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:41:46,594 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:41:46,594 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 00:41:46,594 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:41:46,595 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 14
[2020-09-25 00:41:46,595 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:41:46,595 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:41:46,595 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 00:41:46,596 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:41:46,596 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:41:46,597 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141
[2020-09-25 00:41:46,600 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:41:46,602 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:41:46,605 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:41:46,606 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 00:41:46,606 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:41:46,606 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 00:41:46,606 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:41:46,607 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:41:46,607 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 00:41:46,607 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:41:46,607 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 00:41:46,646 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 00:41:46,647 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1300559832]
[2020-09-25 00:41:46,649 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 00:41:46,650 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 00:41:46,651 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627534107]
[2020-09-25 00:41:46,661 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 00:41:46,662 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 00:41:46,681 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 00:41:46,682 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 00:41:46,685 INFO  L87              Difference]: Start difference. First operand 267 states. Second operand 3 states.
[2020-09-25 00:41:48,241 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 00:41:48,241 INFO  L93              Difference]: Finished difference Result 385 states and 461 transitions.
[2020-09-25 00:41:48,242 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-09-25 00:41:48,244 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 153
[2020-09-25 00:41:48,245 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 00:41:48,265 INFO  L225             Difference]: With dead ends: 385
[2020-09-25 00:41:48,265 INFO  L226             Difference]: Without dead ends: 249
[2020-09-25 00:41:48,271 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 00:41:48,295 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 249 states.
[2020-09-25 00:41:48,378 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 210.
[2020-09-25 00:41:48,380 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 210 states.
[2020-09-25 00:41:48,382 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 225 transitions.
[2020-09-25 00:41:48,385 INFO  L78                 Accepts]: Start accepts. Automaton has 210 states and 225 transitions. Word has length 153
[2020-09-25 00:41:48,386 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 00:41:48,386 INFO  L479      AbstractCegarLoop]: Abstraction has 210 states and 225 transitions.
[2020-09-25 00:41:48,386 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 00:41:48,386 INFO  L276                IsEmpty]: Start isEmpty. Operand 210 states and 225 transitions.
[2020-09-25 00:41:48,391 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 155
[2020-09-25 00:41:48,392 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 00:41:48,392 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]
[2020-09-25 00:41:48,394 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 00:41:48,394 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 00:41:48,395 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 00:41:48,395 INFO  L82        PathProgramCache]: Analyzing trace with hash -580992356, now seen corresponding path program 1 times
[2020-09-25 00:41:48,395 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 00:41:48,396 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1605945104]
[2020-09-25 00:41:48,396 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 00:41:48,456 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:41:48,522 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:41:48,670 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:41:50,599 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:41:53,461 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:41:53,461 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 187
[2020-09-25 00:41:53,461 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 00:41:53,462 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5001
[2020-09-25 00:41:53,462 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:41:53,462 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 00:41:53,462 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 128
[2020-09-25 00:41:53,463 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 3
[2020-09-25 00:41:53,463 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:41:53,868 WARN  L193               SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 00:41:53,870 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 00:41:53,885 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:41:53,896 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:41:54,007 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:41:54,007 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 00:41:54,008 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:41:54,008 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 120
[2020-09-25 00:41:54,008 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:41:54,009 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:41:54,009 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:41:54,009 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:41:54,010 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 00:41:54,057 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 00:41:54,058 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:41:54,060 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:41:54,061 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:41:54,062 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 00:41:54,062 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:41:54,063 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 00:41:54,063 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:41:54,063 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:41:54,064 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:41:54,064 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:41:54,064 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 00:41:54,066 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 00:41:54,066 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:41:54,068 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:41:54,069 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:41:54,070 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 00:41:54,070 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:41:54,070 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 00:41:54,071 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:41:54,071 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:41:54,071 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:41:54,072 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:41:54,072 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 00:41:54,073 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 00:41:54,074 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:41:54,076 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:41:54,080 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:41:54,080 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 00:41:54,081 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:41:54,081 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 00:41:54,081 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:41:54,082 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:41:54,082 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:41:54,082 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:41:54,083 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 00:41:54,085 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 00:41:54,085 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:41:54,086 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:41:54,088 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:41:54,089 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 00:41:54,089 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:41:54,089 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 00:41:54,090 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:41:54,090 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:41:54,091 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:41:54,091 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:41:54,091 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 00:41:54,093 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122
[2020-09-25 00:41:54,094 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:41:54,095 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:41:54,097 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:41:54,098 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 00:41:54,098 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:41:54,098 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 00:41:54,099 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:41:54,099 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:41:54,099 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 00:41:54,100 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:41:54,100 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 00:41:54,102 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132
[2020-09-25 00:41:54,103 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:41:54,105 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:41:54,107 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:41:54,107 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 00:41:54,108 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:41:54,108 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 00:41:54,108 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:41:54,109 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:41:54,109 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 00:41:54,110 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:41:54,110 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 00:41:54,112 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142
[2020-09-25 00:41:54,113 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:41:54,115 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:41:54,117 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:41:54,117 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 00:41:54,117 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:41:54,117 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 00:41:54,118 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:41:54,118 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:41:54,118 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 00:41:54,118 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:41:54,118 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:41:54,172 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 00:41:54,173 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1605945104]
[2020-09-25 00:41:54,174 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 00:41:54,174 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-25 00:41:54,174 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824575032]
[2020-09-25 00:41:54,177 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-25 00:41:54,177 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 00:41:54,178 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-25 00:41:54,178 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-09-25 00:41:54,178 INFO  L87              Difference]: Start difference. First operand 210 states and 225 transitions. Second operand 4 states.
[2020-09-25 00:41:55,227 WARN  L193               SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 00:41:56,172 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 00:41:56,172 INFO  L93              Difference]: Finished difference Result 293 states and 326 transitions.
[2020-09-25 00:41:56,173 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-09-25 00:41:56,173 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 154
[2020-09-25 00:41:56,174 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 00:41:56,177 INFO  L225             Difference]: With dead ends: 293
[2020-09-25 00:41:56,177 INFO  L226             Difference]: Without dead ends: 232
[2020-09-25 00:41:56,179 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 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 00:41:56,180 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 232 states.
[2020-09-25 00:41:56,216 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 200.
[2020-09-25 00:41:56,217 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 200 states.
[2020-09-25 00:41:56,218 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 212 transitions.
[2020-09-25 00:41:56,218 INFO  L78                 Accepts]: Start accepts. Automaton has 200 states and 212 transitions. Word has length 154
[2020-09-25 00:41:56,219 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 00:41:56,219 INFO  L479      AbstractCegarLoop]: Abstraction has 200 states and 212 transitions.
[2020-09-25 00:41:56,219 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-25 00:41:56,219 INFO  L276                IsEmpty]: Start isEmpty. Operand 200 states and 212 transitions.
[2020-09-25 00:41:56,222 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2020-09-25 00:41:56,222 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 00:41:56,223 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]
[2020-09-25 00:41:56,223 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 00:41:56,223 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 00:41:56,223 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 00:41:56,224 INFO  L82        PathProgramCache]: Analyzing trace with hash 229202311, now seen corresponding path program 1 times
[2020-09-25 00:41:56,224 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 00:41:56,224 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1532328313]
[2020-09-25 00:41:56,224 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 00:41:56,274 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:41:56,329 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:41:57,149 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:41:59,797 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:41:59,798 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 194
[2020-09-25 00:41:59,798 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 00:41:59,799 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3520
[2020-09-25 00:41:59,799 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:41:59,799 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 14
[2020-09-25 00:41:59,800 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 81
[2020-09-25 00:41:59,800 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 97
[2020-09-25 00:41:59,800 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 00:42:00,318 WARN  L193               SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 00:42:00,320 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 00:42:00,354 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:42:00,394 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:42:00,598 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:42:00,598 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 00:42:00,599 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:42:00,599 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 242
[2020-09-25 00:42:00,599 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:42:00,599 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 00:42:00,600 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:42:00,600 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 77
[2020-09-25 00:42:00,600 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:42:00,642 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 00:42:00,643 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:42:00,644 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:42:00,646 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:42:00,646 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 00:42:00,646 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:42:00,647 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 00:42:00,647 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:42:00,647 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 00:42:00,647 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:42:00,647 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 00:42:00,648 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:42:00,649 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 00:42:00,650 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:42:00,651 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:42:00,654 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:42:00,654 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 00:42:00,654 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:42:00,654 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 00:42:00,655 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:42:00,655 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 00:42:00,655 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:42:00,655 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 00:42:00,656 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:42:00,657 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 00:42:00,658 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:42:00,660 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:42:00,666 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:42:00,666 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 00:42:00,666 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:42:00,666 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 00:42:00,667 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:42:00,667 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 00:42:00,667 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:42:00,667 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 00:42:00,668 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 00:42:00,670 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 00:42:00,670 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:42:00,673 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:42:00,676 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:42:00,676 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 00:42:00,676 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:42:00,676 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 00:42:00,676 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:42:00,677 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 00:42:00,677 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:42:00,677 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 00:42:00,677 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:42:00,679 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131
[2020-09-25 00:42:00,680 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:42:00,681 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:42:00,684 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:42:00,684 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 00:42:00,684 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:42:00,684 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 00:42:00,684 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:42:00,685 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 00:42:00,685 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:42:00,685 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 00:42:00,685 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:42:00,687 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141
[2020-09-25 00:42:00,688 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:42:00,690 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:42:00,697 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:42:00,697 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 00:42:00,697 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:42:00,698 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 00:42:00,698 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:42:00,698 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 00:42:00,698 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:42:00,698 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 00:42:00,699 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:42:00,757 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151
[2020-09-25 00:42:00,758 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:42:00,760 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:42:00,762 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:42:00,762 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 00:42:00,762 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:42:00,763 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 00:42:00,763 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:42:00,763 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:42:00,764 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 00:42:00,764 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:42:00,764 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 00:42:00,817 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 00:42:00,819 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1532328313]
[2020-09-25 00:42:00,819 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 00:42:00,819 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-25 00:42:00,820 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965496445]
[2020-09-25 00:42:00,821 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-25 00:42:00,825 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 00:42:00,826 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-25 00:42:00,827 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2020-09-25 00:42:00,828 INFO  L87              Difference]: Start difference. First operand 200 states and 212 transitions. Second operand 8 states.
[2020-09-25 00:42:01,449 WARN  L193               SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 00:42:02,801 WARN  L193               SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 00:42:03,068 WARN  L193               SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 192
[2020-09-25 00:42:03,430 WARN  L193               SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 00:42:03,711 WARN  L193               SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 00:42:04,005 WARN  L193               SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 00:42:04,333 WARN  L193               SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 00:42:04,617 WARN  L193               SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 00:42:04,948 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 00:42:04,948 INFO  L93              Difference]: Finished difference Result 398 states and 455 transitions.
[2020-09-25 00:42:04,949 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2020-09-25 00:42:04,949 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 163
[2020-09-25 00:42:04,950 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 00:42:04,956 INFO  L225             Difference]: With dead ends: 398
[2020-09-25 00:42:04,959 INFO  L226             Difference]: Without dead ends: 308
[2020-09-25 00:42:04,960 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240
[2020-09-25 00:42:04,961 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 308 states.
[2020-09-25 00:42:05,020 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 280.
[2020-09-25 00:42:05,021 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 280 states.
[2020-09-25 00:42:05,022 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 307 transitions.
[2020-09-25 00:42:05,023 INFO  L78                 Accepts]: Start accepts. Automaton has 280 states and 307 transitions. Word has length 163
[2020-09-25 00:42:05,023 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 00:42:05,023 INFO  L479      AbstractCegarLoop]: Abstraction has 280 states and 307 transitions.
[2020-09-25 00:42:05,023 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-25 00:42:05,024 INFO  L276                IsEmpty]: Start isEmpty. Operand 280 states and 307 transitions.
[2020-09-25 00:42:05,030 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 169
[2020-09-25 00:42:05,030 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 00:42:05,030 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]
[2020-09-25 00:42:05,030 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 00:42:05,031 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 00:42:05,031 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 00:42:05,031 INFO  L82        PathProgramCache]: Analyzing trace with hash 1019501956, now seen corresponding path program 1 times
[2020-09-25 00:42:05,031 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 00:42:05,031 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [399912148]
[2020-09-25 00:42:05,031 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 00:42:05,084 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:42:05,139 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:42:06,279 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:42:06,280 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 201
[2020-09-25 00:42:06,280 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:42:06,280 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1192
[2020-09-25 00:42:06,281 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:42:06,281 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 8
[2020-09-25 00:42:06,281 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 78
[2020-09-25 00:42:06,281 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 77
[2020-09-25 00:42:06,282 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 00:42:06,629 WARN  L193               SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 00:42:06,631 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 00:42:06,662 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:42:06,697 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:42:06,891 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:42:06,892 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 00:42:06,892 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:42:06,892 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 228
[2020-09-25 00:42:06,892 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:42:06,892 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 00:42:06,893 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:42:06,893 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 74
[2020-09-25 00:42:06,893 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:42:06,938 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 00:42:06,938 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:42:06,940 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:42:06,942 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:42:06,943 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 00:42:06,943 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:42:06,943 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 00:42:06,944 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:42:06,944 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 00:42:06,944 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:42:06,945 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 00:42:06,945 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 00:42:06,946 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 00:42:06,947 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:42:06,948 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:42:06,950 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:42:06,951 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 00:42:06,951 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:42:06,951 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 00:42:06,951 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:42:06,952 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 00:42:06,952 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:42:06,952 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 00:42:06,952 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 00:42:06,954 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 00:42:06,955 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:42:06,957 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:42:06,963 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:42:06,964 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 00:42:06,964 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:42:06,964 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 00:42:06,964 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:42:06,964 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 00:42:06,965 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:42:06,965 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 00:42:06,965 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:42:06,967 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 00:42:06,967 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:42:06,968 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:42:06,970 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:42:06,971 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 00:42:06,971 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:42:06,971 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 00:42:06,971 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:42:06,971 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 00:42:06,972 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:42:06,972 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 00:42:06,972 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:42:06,979 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116
[2020-09-25 00:42:06,981 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:42:06,982 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:42:06,987 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:42:06,987 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 00:42:06,987 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:42:06,988 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 00:42:06,988 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:42:06,988 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 00:42:06,988 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:42:06,988 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 00:42:06,989 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:42:06,990 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136
[2020-09-25 00:42:06,991 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:42:06,992 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:42:06,994 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:42:06,994 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 00:42:06,994 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:42:06,994 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 00:42:06,995 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:42:06,995 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:42:06,995 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 00:42:06,995 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:42:06,995 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:42:06,997 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146
[2020-09-25 00:42:06,997 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:42:06,998 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:42:07,000 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:42:07,000 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 00:42:07,000 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:42:07,000 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 00:42:07,000 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:42:07,001 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:42:07,001 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 00:42:07,001 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:42:07,001 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:42:07,003 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156
[2020-09-25 00:42:07,003 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:42:07,005 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:42:07,006 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:42:07,006 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 00:42:07,006 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:42:07,007 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 00:42:07,007 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:42:07,007 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:42:07,007 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 00:42:07,007 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:42:07,008 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:42:07,037 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 00:42:07,038 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [399912148]
[2020-09-25 00:42:07,038 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 00:42:07,038 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-25 00:42:07,038 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329167945]
[2020-09-25 00:42:07,039 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-25 00:42:07,039 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 00:42:07,039 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-25 00:42:07,040 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-09-25 00:42:07,040 INFO  L87              Difference]: Start difference. First operand 280 states and 307 transitions. Second operand 5 states.
[2020-09-25 00:42:07,570 WARN  L193               SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 00:42:08,869 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 00:42:08,870 INFO  L93              Difference]: Finished difference Result 642 states and 740 transitions.
[2020-09-25 00:42:08,870 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-09-25 00:42:08,870 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 168
[2020-09-25 00:42:08,871 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 00:42:08,878 INFO  L225             Difference]: With dead ends: 642
[2020-09-25 00:42:08,879 INFO  L226             Difference]: Without dead ends: 472
[2020-09-25 00:42:08,883 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2020-09-25 00:42:08,888 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 472 states.
[2020-09-25 00:42:08,965 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 429.
[2020-09-25 00:42:08,965 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 429 states.
[2020-09-25 00:42:08,968 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 479 transitions.
[2020-09-25 00:42:08,968 INFO  L78                 Accepts]: Start accepts. Automaton has 429 states and 479 transitions. Word has length 168
[2020-09-25 00:42:08,969 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 00:42:08,969 INFO  L479      AbstractCegarLoop]: Abstraction has 429 states and 479 transitions.
[2020-09-25 00:42:08,969 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-25 00:42:08,969 INFO  L276                IsEmpty]: Start isEmpty. Operand 429 states and 479 transitions.
[2020-09-25 00:42:08,972 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 172
[2020-09-25 00:42:08,972 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 00:42:08,973 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]
[2020-09-25 00:42:08,973 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-25 00:42:08,973 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 00:42:08,974 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 00:42:08,974 INFO  L82        PathProgramCache]: Analyzing trace with hash -1257129521, now seen corresponding path program 1 times
[2020-09-25 00:42:08,974 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 00:42:08,974 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [648382046]
[2020-09-25 00:42:08,975 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 00:42:09,030 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-09-25 00:42:09,037 INFO  L174   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-09-25 00:42:09,038 INFO  L520         BasicCegarLoop]: Counterexample might be feasible
[2020-09-25 00:42:09,043 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-09-25 00:42:09,069 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 12:42:09 BoogieIcfgContainer
[2020-09-25 00:42:09,069 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-25 00:42:09,072 INFO  L168              Benchmark]: Toolchain (without parser) took 31063.62 ms. Allocated memory was 138.9 MB in the beginning and 589.3 MB in the end (delta: 450.4 MB). Free memory was 100.0 MB in the beginning and 286.9 MB in the end (delta: -186.9 MB). Peak memory consumption was 263.5 MB. Max. memory is 7.1 GB.
[2020-09-25 00:42:09,073 INFO  L168              Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 138.9 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-09-25 00:42:09,074 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 726.18 ms. Allocated memory was 138.9 MB in the beginning and 206.0 MB in the end (delta: 67.1 MB). Free memory was 99.4 MB in the beginning and 173.0 MB in the end (delta: -73.6 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB.
[2020-09-25 00:42:09,075 INFO  L168              Benchmark]: Boogie Preprocessor took 115.81 ms. Allocated memory is still 206.0 MB. Free memory was 173.0 MB in the beginning and 168.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB.
[2020-09-25 00:42:09,075 INFO  L168              Benchmark]: RCFGBuilder took 1306.95 ms. Allocated memory was 206.0 MB in the beginning and 237.0 MB in the end (delta: 30.9 MB). Free memory was 168.9 MB in the beginning and 183.3 MB in the end (delta: -14.4 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB.
[2020-09-25 00:42:09,076 INFO  L168              Benchmark]: TraceAbstraction took 28906.67 ms. Allocated memory was 237.0 MB in the beginning and 589.3 MB in the end (delta: 352.3 MB). Free memory was 183.3 MB in the beginning and 286.9 MB in the end (delta: -103.6 MB). Peak memory consumption was 248.7 MB. Max. memory is 7.1 GB.
[2020-09-25 00:42:09,080 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.25 ms. Allocated memory is still 138.9 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 726.18 ms. Allocated memory was 138.9 MB in the beginning and 206.0 MB in the end (delta: 67.1 MB). Free memory was 99.4 MB in the beginning and 173.0 MB in the end (delta: -73.6 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 115.81 ms. Allocated memory is still 206.0 MB. Free memory was 173.0 MB in the beginning and 168.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1306.95 ms. Allocated memory was 206.0 MB in the beginning and 237.0 MB in the end (delta: 30.9 MB). Free memory was 168.9 MB in the beginning and 183.3 MB in the end (delta: -14.4 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 28906.67 ms. Allocated memory was 237.0 MB in the beginning and 589.3 MB in the end (delta: 352.3 MB). Free memory was 183.3 MB in the beginning and 286.9 MB in the end (delta: -103.6 MB). Peak memory consumption was 248.7 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - CounterExampleResult [Line: 650]: a call of __VERIFIER_error() is reachable
    a call of __VERIFIER_error() is reachable
We found a FailurePath: 
[L119]              int pumpRunning  =    0;
[L120]              int systemActive  =    1;
[L411]              static struct __ACC__ERR *head  =    (struct __ACC__ERR *)0;
[L690]              int cleanupTimeShifts  =    4;
[L786]              int waterLevel  =    1;
[L787]              int methaneLevelCritical  =    0;
[L763]              int retValue_acc ;
[L764]              int tmp ;
[L768]  FCALL       select_helpers()
[L769]  FCALL       select_features()
[L770]  CALL, EXPR  valid_product()
[L637]              int retValue_acc ;
[L640]              retValue_acc = 1
[L641]              return (retValue_acc);
[L770]  RET, EXPR   valid_product()
[L770]              tmp = valid_product()
[L772]  COND TRUE   \read(tmp)
[L774]  FCALL       setup()
[L775]  CALL        runTest()
[L757]  CALL        test()
[L46]               int splverifierCounter ;
[L47]               int tmp ;
[L48]               int tmp___0 ;
[L49]               int tmp___1 ;
[L50]               int tmp___2 ;
[L53]               splverifierCounter = 0
[L55]   COND TRUE   1
[L57]   COND TRUE   splverifierCounter < 4
[L63]               tmp = __VERIFIER_nondet_int()
[L65]   COND TRUE   \read(tmp)
[L67]   CALL        waterRise()
[L804]  COND TRUE   waterLevel < 2
[L805]              waterLevel = waterLevel + 1
[L67]   RET         waterRise()
[L73]               tmp___0 = __VERIFIER_nondet_int()
[L75]   COND FALSE  !(\read(tmp___0))
[L83]               tmp___2 = __VERIFIER_nondet_int()
[L85]   COND TRUE   \read(tmp___2)
[L100]  CALL        timeShift()
[L127]  COND FALSE  !(\read(pumpRunning))
[L134]  COND TRUE   \read(systemActive)
[L136]  FCALL       processEnvironment()
[L142]  CALL        __utac_acc__Specification3_spec__1()
[L657]              int tmp ;
[L658]              int tmp___0 ;
[L659]              int tmp___1 ;
[L663]  CALL, EXPR  isMethaneLevelCritical()
[L825]              int retValue_acc ;
[L828]              retValue_acc = methaneLevelCritical
[L829]              return (retValue_acc);
[L663]  RET, EXPR   isMethaneLevelCritical()
[L663]              tmp = isMethaneLevelCritical()
[L665]  COND FALSE  !(\read(tmp))
[L669]  CALL, EXPR  getWaterLevel()
[L857]              int retValue_acc ;
[L860]              retValue_acc = waterLevel
[L861]              return (retValue_acc);
[L669]  RET, EXPR   getWaterLevel()
[L669]              tmp___0 = getWaterLevel()
[L671]  COND TRUE   tmp___0 == 2
[L673]  CALL, EXPR  isPumpRunning()
[L182]              int retValue_acc ;
[L185]              retValue_acc = pumpRunning
[L186]              return (retValue_acc);
[L673]  RET, EXPR   isPumpRunning()
[L673]              tmp___1 = isPumpRunning()
[L675]  COND FALSE  !(\read(tmp___1))
[L679]  CALL        __automaton_fail()
[L650]              __VERIFIER_error()

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 35 procedures, 584 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 28.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 9.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 783 SDtfs, 771 SDslu, 781 SDs, 0 SdLazy, 1521 SolverSat, 223 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 101 GetRequests, 77 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=429occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 142 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 18.0s InterpolantComputationTime, 809 NumberOfCodeBlocks, 809 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 634 ConstructedInterpolants, 0 QuantifiedInterpolants, 252064 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...