/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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 SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product12.cil.c


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


This is Ultimate 0.2.0-0f64333
[2020-10-29 11:37:04,315 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-10-29 11:37:04,319 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-10-29 11:37:04,375 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-10-29 11:37:04,375 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-10-29 11:37:04,382 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-10-29 11:37:04,384 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-10-29 11:37:04,388 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-10-29 11:37:04,391 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-10-29 11:37:04,397 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-10-29 11:37:04,399 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-10-29 11:37:04,400 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-10-29 11:37:04,400 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-10-29 11:37:04,404 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-10-29 11:37:04,407 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-10-29 11:37:04,409 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-10-29 11:37:04,410 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-10-29 11:37:04,414 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-10-29 11:37:04,422 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-10-29 11:37:04,429 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-10-29 11:37:04,431 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-10-29 11:37:04,433 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-10-29 11:37:04,435 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-10-29 11:37:04,437 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-10-29 11:37:04,453 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-10-29 11:37:04,453 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-10-29 11:37:04,454 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-10-29 11:37:04,458 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-10-29 11:37:04,458 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-10-29 11:37:04,459 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-10-29 11:37:04,460 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-10-29 11:37:04,460 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-10-29 11:37:04,461 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-10-29 11:37:04,463 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-10-29 11:37:04,464 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-10-29 11:37:04,465 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-10-29 11:37:04,465 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-10-29 11:37:04,465 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-10-29 11:37:04,466 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-10-29 11:37:04,467 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-10-29 11:37:04,467 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-10-29 11:37:04,475 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
[2020-10-29 11:37:04,517 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-10-29 11:37:04,517 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-10-29 11:37:04,521 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-10-29 11:37:04,522 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-10-29 11:37:04,522 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-10-29 11:37:04,522 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-10-29 11:37:04,522 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-10-29 11:37:04,523 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-10-29 11:37:04,523 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-10-29 11:37:04,523 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-10-29 11:37:04,524 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-10-29 11:37:04,525 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-10-29 11:37:04,525 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-10-29 11:37:04,525 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-10-29 11:37:04,525 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-10-29 11:37:04,526 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-10-29 11:37:04,526 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-10-29 11:37:04,526 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-10-29 11:37:04,526 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-10-29 11:37:04,527 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-10-29 11:37:04,527 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-10-29 11:37:04,527 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-10-29 11:37:04,527 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-10-29 11:37:04,527 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-10-29 11:37:04,528 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-10-29 11:37:04,528 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-10-29 11:37:04,528 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-10-29 11:37:04,528 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-10-29 11:37:04,528 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-10-29 11:37:04,528 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true;
[2020-10-29 11:37:04,934 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-10-29 11:37:04,965 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-10-29 11:37:04,968 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-10-29 11:37:04,970 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-10-29 11:37:04,970 INFO  L275        PluginConnector]: CDTParser initialized
[2020-10-29 11:37:04,971 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product12.cil.c
[2020-10-29 11:37:05,058 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b52ee1d6c/b10f505f26c2413bad35f3fb1f9d8070/FLAG7919d5171
[2020-10-29 11:37:05,685 INFO  L306              CDTParser]: Found 1 translation units.
[2020-10-29 11:37:05,685 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product12.cil.c
[2020-10-29 11:37:05,705 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b52ee1d6c/b10f505f26c2413bad35f3fb1f9d8070/FLAG7919d5171
[2020-10-29 11:37:06,005 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b52ee1d6c/b10f505f26c2413bad35f3fb1f9d8070
[2020-10-29 11:37:06,010 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-10-29 11:37:06,017 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-10-29 11:37:06,021 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-10-29 11:37:06,021 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-10-29 11:37:06,025 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-10-29 11:37:06,026 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 11:37:06" (1/1) ...
[2020-10-29 11:37:06,032 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b7cc87c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:37:06, skipping insertion in model container
[2020-10-29 11:37:06,033 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 11:37:06" (1/1) ...
[2020-10-29 11:37:06,041 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-10-29 11:37:06,108 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-10-29 11:37:06,402 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-10-29 11:37:06,414 INFO  L203         MainTranslator]: Completed pre-run
[2020-10-29 11:37:06,528 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-10-29 11:37:06,584 INFO  L208         MainTranslator]: Completed translation
[2020-10-29 11:37:06,586 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:37:06 WrapperNode
[2020-10-29 11:37:06,586 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-10-29 11:37:06,588 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-10-29 11:37:06,588 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-10-29 11:37:06,588 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-10-29 11:37:06,601 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:37:06" (1/1) ...
[2020-10-29 11:37:06,603 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:37:06" (1/1) ...
[2020-10-29 11:37:06,642 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:37:06" (1/1) ...
[2020-10-29 11:37:06,646 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:37:06" (1/1) ...
[2020-10-29 11:37:06,704 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:37:06" (1/1) ...
[2020-10-29 11:37:06,716 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:37:06" (1/1) ...
[2020-10-29 11:37:06,721 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:37:06" (1/1) ...
[2020-10-29 11:37:06,728 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-10-29 11:37:06,729 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-10-29 11:37:06,729 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-10-29 11:37:06,729 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-10-29 11:37:06,730 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:37:06" (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
[2020-10-29 11:37:06,812 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-10-29 11:37:06,812 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-10-29 11:37:06,813 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-10-29 11:37:06,813 INFO  L138     BoogieDeclarations]: Found implementation of procedure reach_error
[2020-10-29 11:37:06,813 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1
[2020-10-29 11:37:06,813 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-10-29 11:37:06,813 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-10-29 11:37:06,814 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-10-29 11:37:06,814 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base
[2020-10-29 11:37:06,814 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-10-29 11:37:06,814 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-10-29 11:37:06,814 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-10-29 11:37:06,815 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-10-29 11:37:06,815 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-10-29 11:37:06,815 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopSystem
[2020-10-29 11:37:06,815 INFO  L138     BoogieDeclarations]: Found implementation of procedure startSystem
[2020-10-29 11:37:06,815 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-10-29 11:37:06,816 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-10-29 11:37:06,816 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-10-29 11:37:06,816 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-10-29 11:37:06,816 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-10-29 11:37:06,816 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-10-29 11:37:06,817 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-10-29 11:37:06,817 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-10-29 11:37:06,817 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-10-29 11:37:06,817 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-10-29 11:37:06,817 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-10-29 11:37:06,817 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-10-29 11:37:06,818 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-10-29 11:37:06,818 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-10-29 11:37:06,818 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-10-29 11:37:06,818 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-10-29 11:37:06,818 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-10-29 11:37:06,818 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-10-29 11:37:06,818 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-10-29 11:37:06,819 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-10-29 11:37:06,819 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-10-29 11:37:06,819 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-10-29 11:37:06,819 INFO  L130     BoogieDeclarations]: Found specification of procedure abort
[2020-10-29 11:37:06,819 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-10-29 11:37:06,820 INFO  L130     BoogieDeclarations]: Found specification of procedure reach_error
[2020-10-29 11:37:06,820 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-10-29 11:37:06,820 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-10-29 11:37:06,820 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-10-29 11:37:06,820 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-10-29 11:37:06,820 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-10-29 11:37:06,821 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-10-29 11:37:06,821 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-10-29 11:37:06,821 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1
[2020-10-29 11:37:06,821 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-10-29 11:37:06,821 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-10-29 11:37:06,821 INFO  L130     BoogieDeclarations]: Found specification of procedure startSystem
[2020-10-29 11:37:06,822 INFO  L130     BoogieDeclarations]: Found specification of procedure stopSystem
[2020-10-29 11:37:06,822 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-10-29 11:37:06,822 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-10-29 11:37:06,822 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-10-29 11:37:06,822 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-10-29 11:37:06,823 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-10-29 11:37:06,823 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-10-29 11:37:06,823 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-10-29 11:37:06,823 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-10-29 11:37:06,823 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-10-29 11:37:06,823 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base
[2020-10-29 11:37:06,824 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-10-29 11:37:06,824 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-10-29 11:37:06,824 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-10-29 11:37:06,824 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-10-29 11:37:06,824 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-10-29 11:37:06,824 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-10-29 11:37:06,825 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-10-29 11:37:06,825 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-10-29 11:37:06,825 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-10-29 11:37:06,825 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-10-29 11:37:06,825 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-10-29 11:37:06,826 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-10-29 11:37:06,826 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-10-29 11:37:06,826 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-10-29 11:37:06,826 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-10-29 11:37:06,826 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-10-29 11:37:06,826 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-10-29 11:37:06,827 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-10-29 11:37:06,827 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-10-29 11:37:06,827 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-10-29 11:37:06,827 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-10-29 11:37:06,827 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-10-29 11:37:06,827 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-10-29 11:37:06,828 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-10-29 11:37:06,828 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-10-29 11:37:06,828 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-10-29 11:37:06,828 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-10-29 11:37:08,146 INFO  L293             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-10-29 11:37:08,146 INFO  L298             CfgBuilder]: Removed 5 assume(true) statements.
[2020-10-29 11:37:08,148 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 11:37:08 BoogieIcfgContainer
[2020-10-29 11:37:08,149 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-10-29 11:37:08,151 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-10-29 11:37:08,151 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-10-29 11:37:08,155 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-10-29 11:37:08,155 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 11:37:06" (1/3) ...
[2020-10-29 11:37:08,156 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21746258 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 11:37:08, skipping insertion in model container
[2020-10-29 11:37:08,157 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:37:06" (2/3) ...
[2020-10-29 11:37:08,157 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21746258 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 11:37:08, skipping insertion in model container
[2020-10-29 11:37:08,157 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 11:37:08" (3/3) ...
[2020-10-29 11:37:08,159 INFO  L111   eAbstractionObserver]: Analyzing ICFG minepump_spec3_product12.cil.c
[2020-10-29 11:37:08,171 INFO  L164   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-10-29 11:37:08,177 INFO  L176   ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations.
[2020-10-29 11:37:08,190 INFO  L253      AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2020-10-29 11:37:08,219 INFO  L377      AbstractCegarLoop]: Interprodecural is true
[2020-10-29 11:37:08,219 INFO  L378      AbstractCegarLoop]: Hoare is true
[2020-10-29 11:37:08,219 INFO  L379      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-10-29 11:37:08,219 INFO  L380      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-10-29 11:37:08,219 INFO  L381      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-10-29 11:37:08,220 INFO  L382      AbstractCegarLoop]: Difference is false
[2020-10-29 11:37:08,220 INFO  L383      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-10-29 11:37:08,220 INFO  L387      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-10-29 11:37:08,242 INFO  L276                IsEmpty]: Start isEmpty. Operand 158 states.
[2020-10-29 11:37:08,251 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 54
[2020-10-29 11:37:08,252 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-29 11:37:08,253 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]
[2020-10-29 11:37:08,253 INFO  L429      AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-29 11:37:08,259 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-29 11:37:08,260 INFO  L82        PathProgramCache]: Analyzing trace with hash -1543228739, now seen corresponding path program 1 times
[2020-10-29 11:37:08,269 INFO  L162   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-10-29 11:37:08,270 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1113232942]
[2020-10-29 11:37:08,270 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-29 11:37:08,538 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-29 11:37:08,668 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-10-29 11:37:08,817 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-10-29 11:37:09,702 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-10-29 11:37:11,716 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-10-29 11:37:11,716 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 87
[2020-10-29 11:37:11,718 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-10-29 11:37:11,718 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3173
[2020-10-29 11:37:11,729 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-10-29 11:37:11,729 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-10-29 11:37:11,730 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 8
[2020-10-29 11:37:11,730 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 5
[2020-10-29 11:37:11,731 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 47
[2020-10-29 11:37:11,732 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 10
[2020-10-29 11:37:12,164 WARN  L193               SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-10-29 11:37:12,166 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-10-29 11:37:12,204 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-29 11:37:12,221 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-10-29 11:37:12,342 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-10-29 11:37:12,349 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-10-29 11:37:12,349 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-10-29 11:37:12,349 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 136
[2020-10-29 11:37:12,350 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-10-29 11:37:12,350 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-10-29 11:37:12,350 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-10-29 11:37:12,350 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 1
[2020-10-29 11:37:12,350 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 2
[2020-10-29 11:37:12,351 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-10-29 11:37:12,391 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-10-29 11:37:12,396 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-29 11:37:12,398 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-10-29 11:37:12,400 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-10-29 11:37:12,401 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 7
[2020-10-29 11:37:12,401 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-10-29 11:37:12,401 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-10-29 11:37:12,401 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-10-29 11:37:12,401 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-10-29 11:37:12,402 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-10-29 11:37:12,402 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 1
[2020-10-29 11:37:12,402 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-10-29 11:37:12,402 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-10-29 11:37:12,405 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-10-29 11:37:12,409 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-29 11:37:12,410 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-10-29 11:37:12,413 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-10-29 11:37:12,413 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 7
[2020-10-29 11:37:12,413 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-10-29 11:37:12,413 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-10-29 11:37:12,413 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-10-29 11:37:12,414 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-10-29 11:37:12,414 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-10-29 11:37:12,414 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 1
[2020-10-29 11:37:12,414 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-10-29 11:37:12,414 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-10-29 11:37:12,417 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-10-29 11:37:12,421 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-29 11:37:12,422 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-10-29 11:37:12,431 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-10-29 11:37:12,431 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-10-29 11:37:12,431 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-10-29 11:37:12,432 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 9
[2020-10-29 11:37:12,432 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-10-29 11:37:12,432 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-10-29 11:37:12,433 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-10-29 11:37:12,433 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 1
[2020-10-29 11:37:12,433 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 5
[2020-10-29 11:37:12,433 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-10-29 11:37:12,437 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-10-29 11:37:12,450 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-29 11:37:12,452 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-10-29 11:37:12,454 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-10-29 11:37:12,455 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 7
[2020-10-29 11:37:12,455 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-10-29 11:37:12,455 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-10-29 11:37:12,455 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-10-29 11:37:12,456 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-10-29 11:37:12,456 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-10-29 11:37:12,456 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 1
[2020-10-29 11:37:12,456 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-10-29 11:37:12,456 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-10-29 11:37:12,458 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2020-10-29 11:37:12,460 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-29 11:37:12,461 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-10-29 11:37:12,462 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-10-29 11:37:12,462 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-10-29 11:37:12,462 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-10-29 11:37:12,463 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-10-29 11:37:12,463 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-10-29 11:37:12,463 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-10-29 11:37:12,464 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-10-29 11:37:12,464 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 5
[2020-10-29 11:37:12,464 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-10-29 11:37:12,464 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-10-29 11:37:12,466 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2020-10-29 11:37:12,467 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-29 11:37:12,471 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-10-29 11:37:12,473 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-10-29 11:37:12,473 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-10-29 11:37:12,473 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-10-29 11:37:12,473 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-10-29 11:37:12,474 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-10-29 11:37:12,474 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-10-29 11:37:12,474 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-10-29 11:37:12,474 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 5
[2020-10-29 11:37:12,474 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-10-29 11:37:12,474 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-10-29 11:37:12,477 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44
[2020-10-29 11:37:12,479 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-29 11:37:12,480 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-10-29 11:37:12,482 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-10-29 11:37:12,482 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-10-29 11:37:12,482 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-10-29 11:37:12,482 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-10-29 11:37:12,483 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-10-29 11:37:12,483 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-10-29 11:37:12,483 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-10-29 11:37:12,484 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 5
[2020-10-29 11:37:12,484 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-10-29 11:37:12,484 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-10-29 11:37:12,498 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-29 11:37:12,499 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1113232942]
[2020-10-29 11:37:12,501 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-29 11:37:12,502 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-10-29 11:37:12,502 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975303104]
[2020-10-29 11:37:12,508 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-10-29 11:37:12,508 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-10-29 11:37:12,524 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-10-29 11:37:12,525 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-10-29 11:37:12,528 INFO  L87              Difference]: Start difference. First operand 158 states. Second operand 4 states.
[2020-10-29 11:37:13,000 WARN  L193               SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-10-29 11:37:14,876 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-29 11:37:14,876 INFO  L93              Difference]: Finished difference Result 349 states and 467 transitions.
[2020-10-29 11:37:14,877 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-10-29 11:37:14,878 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 53
[2020-10-29 11:37:14,879 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-29 11:37:14,894 INFO  L225             Difference]: With dead ends: 349
[2020-10-29 11:37:14,894 INFO  L226             Difference]: Without dead ends: 223
[2020-10-29 11:37:14,899 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-10-29 11:37:14,920 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 223 states.
[2020-10-29 11:37:15,022 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 161.
[2020-10-29 11:37:15,024 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 161 states.
[2020-10-29 11:37:15,026 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 190 transitions.
[2020-10-29 11:37:15,028 INFO  L78                 Accepts]: Start accepts. Automaton has 161 states and 190 transitions. Word has length 53
[2020-10-29 11:37:15,028 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-29 11:37:15,028 INFO  L481      AbstractCegarLoop]: Abstraction has 161 states and 190 transitions.
[2020-10-29 11:37:15,028 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-10-29 11:37:15,028 INFO  L276                IsEmpty]: Start isEmpty. Operand 161 states and 190 transitions.
[2020-10-29 11:37:15,032 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 58
[2020-10-29 11:37:15,032 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-29 11:37:15,032 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]
[2020-10-29 11:37:15,032 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-10-29 11:37:15,033 INFO  L429      AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-29 11:37:15,033 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-29 11:37:15,033 INFO  L82        PathProgramCache]: Analyzing trace with hash -1188175939, now seen corresponding path program 1 times
[2020-10-29 11:37:15,034 INFO  L162   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-10-29 11:37:15,034 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1290803208]
[2020-10-29 11:37:15,034 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-29 11:37:15,061 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-29 11:37:15,081 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-10-29 11:37:15,116 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-10-29 11:37:17,069 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-10-29 11:37:17,069 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 93
[2020-10-29 11:37:17,069 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-10-29 11:37:17,070 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2006
[2020-10-29 11:37:17,070 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-10-29 11:37:17,070 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-10-29 11:37:17,070 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 15
[2020-10-29 11:37:17,070 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 5
[2020-10-29 11:37:17,070 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 73
[2020-10-29 11:37:17,070 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-10-29 11:37:17,459 WARN  L193               SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-10-29 11:37:17,461 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-10-29 11:37:17,481 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-29 11:37:17,494 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-10-29 11:37:17,594 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-10-29 11:37:17,595 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-10-29 11:37:17,595 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-10-29 11:37:17,595 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 113
[2020-10-29 11:37:17,595 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-10-29 11:37:17,596 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-10-29 11:37:17,596 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-10-29 11:37:17,596 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 1
[2020-10-29 11:37:17,596 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 2
[2020-10-29 11:37:17,596 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-10-29 11:37:17,614 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-10-29 11:37:17,615 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-29 11:37:17,616 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-10-29 11:37:17,618 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-10-29 11:37:17,618 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 7
[2020-10-29 11:37:17,618 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-10-29 11:37:17,618 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-10-29 11:37:17,619 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-10-29 11:37:17,619 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-10-29 11:37:17,619 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-10-29 11:37:17,619 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 1
[2020-10-29 11:37:17,619 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-10-29 11:37:17,620 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-10-29 11:37:17,621 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-10-29 11:37:17,622 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-29 11:37:17,623 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-10-29 11:37:17,624 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-10-29 11:37:17,624 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 7
[2020-10-29 11:37:17,624 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-10-29 11:37:17,625 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-10-29 11:37:17,625 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-10-29 11:37:17,625 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-10-29 11:37:17,625 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-10-29 11:37:17,626 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 1
[2020-10-29 11:37:17,626 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-10-29 11:37:17,626 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-10-29 11:37:17,627 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-10-29 11:37:17,629 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-29 11:37:17,630 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-10-29 11:37:17,631 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-10-29 11:37:17,631 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-10-29 11:37:17,632 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-10-29 11:37:17,632 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-10-29 11:37:17,632 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-10-29 11:37:17,632 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-10-29 11:37:17,632 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-10-29 11:37:17,633 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 1
[2020-10-29 11:37:17,633 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 5
[2020-10-29 11:37:17,633 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-10-29 11:37:17,634 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-10-29 11:37:17,635 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-29 11:37:17,636 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-10-29 11:37:17,638 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-10-29 11:37:17,638 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 7
[2020-10-29 11:37:17,638 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-10-29 11:37:17,638 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-10-29 11:37:17,638 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-10-29 11:37:17,639 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-10-29 11:37:17,639 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-10-29 11:37:17,639 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 1
[2020-10-29 11:37:17,639 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-10-29 11:37:17,639 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-10-29 11:37:17,640 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31
[2020-10-29 11:37:17,641 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-29 11:37:17,642 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-10-29 11:37:17,644 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-10-29 11:37:17,644 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 7
[2020-10-29 11:37:17,644 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-10-29 11:37:17,644 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-10-29 11:37:17,644 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-10-29 11:37:17,645 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-10-29 11:37:17,645 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-10-29 11:37:17,645 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 1
[2020-10-29 11:37:17,645 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-10-29 11:37:17,645 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-10-29 11:37:17,646 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36
[2020-10-29 11:37:17,648 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-29 11:37:17,648 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-10-29 11:37:17,650 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-10-29 11:37:17,650 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-10-29 11:37:17,650 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-10-29 11:37:17,651 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-10-29 11:37:17,651 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-10-29 11:37:17,651 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-10-29 11:37:17,651 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-10-29 11:37:17,651 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 1
[2020-10-29 11:37:17,651 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 5
[2020-10-29 11:37:17,652 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-10-29 11:37:17,653 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42
[2020-10-29 11:37:17,654 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-29 11:37:17,655 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-10-29 11:37:17,659 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-10-29 11:37:17,659 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-10-29 11:37:17,659 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-10-29 11:37:17,660 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-10-29 11:37:17,660 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-10-29 11:37:17,660 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-10-29 11:37:17,660 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-10-29 11:37:17,660 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 1
[2020-10-29 11:37:17,660 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 5
[2020-10-29 11:37:17,661 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-10-29 11:37:17,678 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48
[2020-10-29 11:37:17,680 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-29 11:37:17,680 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-10-29 11:37:17,682 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-10-29 11:37:17,682 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-10-29 11:37:17,683 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-10-29 11:37:17,683 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-10-29 11:37:17,683 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-10-29 11:37:17,683 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-10-29 11:37:17,683 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-10-29 11:37:17,684 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 5
[2020-10-29 11:37:17,684 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-10-29 11:37:17,684 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-10-29 11:37:17,698 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-29 11:37:17,699 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1290803208]
[2020-10-29 11:37:17,699 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-29 11:37:17,699 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-10-29 11:37:17,699 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044447769]
[2020-10-29 11:37:17,701 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-10-29 11:37:17,701 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-10-29 11:37:17,702 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-10-29 11:37:17,702 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2020-10-29 11:37:17,702 INFO  L87              Difference]: Start difference. First operand 161 states and 190 transitions. Second operand 7 states.
[2020-10-29 11:37:18,207 WARN  L193               SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-10-29 11:37:19,608 WARN  L193               SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-29 11:37:20,068 WARN  L193               SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 208
[2020-10-29 11:37:20,451 WARN  L193               SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 208
[2020-10-29 11:37:20,845 WARN  L193               SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-10-29 11:37:21,319 WARN  L193               SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-29 11:37:21,903 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-29 11:37:21,903 INFO  L93              Difference]: Finished difference Result 466 states and 602 transitions.
[2020-10-29 11:37:21,907 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2020-10-29 11:37:21,908 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 57
[2020-10-29 11:37:21,908 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-29 11:37:21,913 INFO  L225             Difference]: With dead ends: 466
[2020-10-29 11:37:21,913 INFO  L226             Difference]: Without dead ends: 329
[2020-10-29 11:37:21,915 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156
[2020-10-29 11:37:21,916 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 329 states.
[2020-10-29 11:37:22,033 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 292.
[2020-10-29 11:37:22,033 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 292 states.
[2020-10-29 11:37:22,038 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 362 transitions.
[2020-10-29 11:37:22,038 INFO  L78                 Accepts]: Start accepts. Automaton has 292 states and 362 transitions. Word has length 57
[2020-10-29 11:37:22,039 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-29 11:37:22,039 INFO  L481      AbstractCegarLoop]: Abstraction has 292 states and 362 transitions.
[2020-10-29 11:37:22,039 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-10-29 11:37:22,039 INFO  L276                IsEmpty]: Start isEmpty. Operand 292 states and 362 transitions.
[2020-10-29 11:37:22,054 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 67
[2020-10-29 11:37:22,054 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-29 11:37:22,054 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]
[2020-10-29 11:37:22,054 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-10-29 11:37:22,055 INFO  L429      AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-29 11:37:22,055 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-29 11:37:22,055 INFO  L82        PathProgramCache]: Analyzing trace with hash -16622985, now seen corresponding path program 1 times
[2020-10-29 11:37:22,055 INFO  L162   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-10-29 11:37:22,056 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1387440378]
[2020-10-29 11:37:22,056 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-29 11:37:22,113 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-10-29 11:37:22,116 INFO  L173   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-10-29 11:37:22,116 INFO  L523         BasicCegarLoop]: Counterexample might be feasible
[2020-10-29 11:37:22,121 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-10-29 11:37:22,157 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 11:37:22 BoogieIcfgContainer
[2020-10-29 11:37:22,158 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-10-29 11:37:22,160 INFO  L168              Benchmark]: Toolchain (without parser) took 16146.89 ms. Allocated memory was 152.0 MB in the beginning and 395.3 MB in the end (delta: 243.3 MB). Free memory was 125.3 MB in the beginning and 352.0 MB in the end (delta: -226.7 MB). Peak memory consumption was 16.9 MB. Max. memory is 8.0 GB.
[2020-10-29 11:37:22,161 INFO  L168              Benchmark]: CDTParser took 0.59 ms. Allocated memory is still 152.0 MB. Free memory was 124.9 MB in the beginning and 124.8 MB in the end (delta: 107.4 kB). There was no memory consumed. Max. memory is 8.0 GB.
[2020-10-29 11:37:22,162 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 565.32 ms. Allocated memory is still 152.0 MB. Free memory was 124.7 MB in the beginning and 104.4 MB in the end (delta: 20.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB.
[2020-10-29 11:37:22,163 INFO  L168              Benchmark]: Boogie Preprocessor took 140.51 ms. Allocated memory is still 152.0 MB. Free memory was 104.4 MB in the beginning and 100.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB.
[2020-10-29 11:37:22,164 INFO  L168              Benchmark]: RCFGBuilder took 1419.78 ms. Allocated memory is still 152.0 MB. Free memory was 100.5 MB in the beginning and 56.2 MB in the end (delta: 44.3 MB). Peak memory consumption was 45.4 MB. Max. memory is 8.0 GB.
[2020-10-29 11:37:22,166 INFO  L168              Benchmark]: TraceAbstraction took 14006.57 ms. Allocated memory was 152.0 MB in the beginning and 395.3 MB in the end (delta: 243.3 MB). Free memory was 56.2 MB in the beginning and 352.0 MB in the end (delta: -295.8 MB). There was no memory consumed. Max. memory is 8.0 GB.
[2020-10-29 11:37:22,182 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.59 ms. Allocated memory is still 152.0 MB. Free memory was 124.9 MB in the beginning and 124.8 MB in the end (delta: 107.4 kB). There was no memory consumed. Max. memory is 8.0 GB.
 * CACSL2BoogieTranslator took 565.32 ms. Allocated memory is still 152.0 MB. Free memory was 124.7 MB in the beginning and 104.4 MB in the end (delta: 20.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB.
 * Boogie Preprocessor took 140.51 ms. Allocated memory is still 152.0 MB. Free memory was 104.4 MB in the beginning and 100.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB.
 * RCFGBuilder took 1419.78 ms. Allocated memory is still 152.0 MB. Free memory was 100.5 MB in the beginning and 56.2 MB in the end (delta: 44.3 MB). Peak memory consumption was 45.4 MB. Max. memory is 8.0 GB.
 * TraceAbstraction took 14006.57 ms. Allocated memory was 152.0 MB in the beginning and 395.3 MB in the end (delta: 243.3 MB). Free memory was 56.2 MB in the beginning and 352.0 MB in the end (delta: -295.8 MB). There was no memory consumed. Max. memory is 8.0 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable
    a call of __VERIFIER_error() is reachable
We found a FailurePath: 
[L160]              int pumpRunning  =    0;
[L161]              int systemActive  =    1;
[L308]              int waterLevel  =    1;
[L309]              int methaneLevelCritical  =    0;
[L595]              static struct __ACC__ERR *head  =    (struct __ACC__ERR *)0;
[L792]              int cleanupTimeShifts  =    4;
[L865]              int retValue_acc ;
[L866]              int tmp ;
[L870]  FCALL       select_helpers()
[L871]  FCALL       select_features()
[L872]  CALL, EXPR  valid_product()
[L417]              int retValue_acc ;
[L420]              retValue_acc = 1
[L421]              return (retValue_acc);
[L872]  RET, EXPR   valid_product()
[L872]              tmp = valid_product()
[L874]  COND TRUE   \read(tmp)
[L876]  FCALL       setup()
[L877]  CALL        runTest()
[L859]  CALL        test()
[L87]               int splverifierCounter ;
[L88]               int tmp ;
[L89]               int tmp___0 ;
[L90]               int tmp___1 ;
[L91]               int tmp___2 ;
[L94]               splverifierCounter = 0
[L96]   COND TRUE   1
[L98]   COND TRUE   splverifierCounter < 4
[L104]              tmp = __VERIFIER_nondet_int()
[L106]  COND TRUE   \read(tmp)
[L108]  CALL        waterRise()
[L326]  COND TRUE   waterLevel < 2
[L327]              waterLevel = waterLevel + 1
[L108]  RET         waterRise()
[L114]              tmp___0 = __VERIFIER_nondet_int()
[L116]  COND FALSE  !(\read(tmp___0))
[L124]              tmp___2 = __VERIFIER_nondet_int()
[L126]  COND FALSE  !(\read(tmp___2))
[L132]              tmp___1 = __VERIFIER_nondet_int()
[L134]  COND FALSE  !(\read(tmp___1))
[L143]  CALL        timeShift()
[L167]  COND FALSE  !(\read(pumpRunning))
[L174]  COND TRUE   \read(systemActive)
[L176]  FCALL       processEnvironment()
[L182]  CALL        __utac_acc__Specification3_spec__1()
[L47]               int tmp ;
[L48]               int tmp___0 ;
[L49]               int tmp___1 ;
[L53]   CALL, EXPR  isMethaneLevelCritical()
[L347]              int retValue_acc ;
[L350]              retValue_acc = methaneLevelCritical
[L351]              return (retValue_acc);
[L53]   RET, EXPR   isMethaneLevelCritical()
[L53]               tmp = isMethaneLevelCritical()
[L55]   COND FALSE  !(\read(tmp))
[L59]   CALL, EXPR  getWaterLevel()
[L379]              int retValue_acc ;
[L382]              retValue_acc = waterLevel
[L383]              return (retValue_acc);
[L59]   RET, EXPR   getWaterLevel()
[L59]               tmp___0 = getWaterLevel()
[L61]   COND TRUE   tmp___0 == 2
[L63]   CALL, EXPR  isPumpRunning()
[L240]              int retValue_acc ;
[L243]              retValue_acc = pumpRunning
[L244]              return (retValue_acc);
[L63]   RET, EXPR   isPumpRunning()
[L63]               tmp___1 = isPumpRunning()
[L65]   COND FALSE  !(\read(tmp___1))
[L69]   CALL        __automaton_fail()
[L892]  CALL        reach_error()
[L3]                __assert_fail("0", "minepump_spec3_product12.cil.c", 3, "reach_error")

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 38 procedures, 226 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 13.9s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 6.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 207 SDtfs, 374 SDslu, 215 SDs, 0 SdLazy, 717 SolverSat, 193 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=292occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 2 MinimizatonAttempts, 99 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 6.5s InterpolantComputationTime, 176 NumberOfCodeBlocks, 176 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 33108 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...