/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product07.cil.c


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


This is Ultimate 0.1.25-c90d42b
[2020-09-25 12:03:04,888 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-09-25 12:03:04,893 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 12:03:04,923 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 12:03:04,924 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 12:03:04,925 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 12:03:04,927 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 12:03:04,928 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 12:03:04,930 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 12:03:04,931 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 12:03:04,932 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 12:03:04,934 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 12:03:04,934 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 12:03:04,935 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 12:03:04,937 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 12:03:04,938 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 12:03:04,939 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 12:03:04,940 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 12:03:04,942 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 12:03:04,944 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 12:03:04,946 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 12:03:04,947 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 12:03:04,948 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 12:03:04,949 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 12:03:04,952 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 12:03:04,952 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 12:03:04,952 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 12:03:04,953 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 12:03:04,954 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 12:03:04,955 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 12:03:04,955 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 12:03:04,956 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 12:03:04,957 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 12:03:04,958 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 12:03:04,960 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 12:03:04,960 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 12:03:04,961 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 12:03:04,961 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 12:03:04,961 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 12:03:04,962 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 12:03:04,963 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 12:03:04,964 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-09-25 12:03:04,991 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-09-25 12:03:04,991 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 12:03:04,992 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 12:03:04,995 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-09-25 12:03:04,995 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-09-25 12:03:04,995 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 12:03:04,995 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-09-25 12:03:04,996 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-09-25 12:03:04,996 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-09-25 12:03:04,996 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-09-25 12:03:04,996 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 12:03:04,996 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 12:03:04,997 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 12:03:04,997 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-09-25 12:03:04,997 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-09-25 12:03:04,997 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-09-25 12:03:04,997 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-09-25 12:03:04,999 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 12:03:04,999 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-09-25 12:03:04,999 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-09-25 12:03:04,999 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-09-25 12:03:05,000 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 12:03:05,000 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 12:03:05,000 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 12:03:05,000 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 12:03:05,001 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-09-25 12:03:05,001 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 12:03:05,002 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 12:03:05,002 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-09-25 12:03:05,002 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;
[2020-09-25 12:03:05,485 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 12:03:05,511 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 12:03:05,517 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 12:03:05,519 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-09-25 12:03:05,521 INFO  L275        PluginConnector]: CDTParser initialized
[2020-09-25 12:03:05,522 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product07.cil.c
[2020-09-25 12:03:05,621 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a18526c9e/3d8f36bdf95546d7851446865c07ac5c/FLAG086862bb8
[2020-09-25 12:03:06,188 INFO  L306              CDTParser]: Found 1 translation units.
[2020-09-25 12:03:06,189 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product07.cil.c
[2020-09-25 12:03:06,204 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a18526c9e/3d8f36bdf95546d7851446865c07ac5c/FLAG086862bb8
[2020-09-25 12:03:06,471 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a18526c9e/3d8f36bdf95546d7851446865c07ac5c
[2020-09-25 12:03:06,484 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 12:03:06,489 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 12:03:06,490 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 12:03:06,490 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 12:03:06,496 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 12:03:06,497 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:03:06" (1/1) ...
[2020-09-25 12:03:06,502 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7be095dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:06, skipping insertion in model container
[2020-09-25 12:03:06,502 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:03:06" (1/1) ...
[2020-09-25 12:03:06,513 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-09-25 12:03:06,573 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-09-25 12:03:06,937 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 12:03:07,048 INFO  L203         MainTranslator]: Completed pre-run
[2020-09-25 12:03:07,138 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 12:03:07,176 INFO  L208         MainTranslator]: Completed translation
[2020-09-25 12:03:07,177 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:07 WrapperNode
[2020-09-25 12:03:07,177 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 12:03:07,178 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 12:03:07,178 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 12:03:07,178 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 12:03:07,198 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:07" (1/1) ...
[2020-09-25 12:03:07,198 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:07" (1/1) ...
[2020-09-25 12:03:07,223 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:07" (1/1) ...
[2020-09-25 12:03:07,224 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:07" (1/1) ...
[2020-09-25 12:03:07,280 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:07" (1/1) ...
[2020-09-25 12:03:07,296 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:07" (1/1) ...
[2020-09-25 12:03:07,303 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:07" (1/1) ...
[2020-09-25 12:03:07,321 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 12:03:07,321 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 12:03:07,321 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 12:03:07,322 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-09-25 12:03:07,323 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:07" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 12:03:07,400 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 12:03:07,401 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 12:03:07,401 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-09-25 12:03:07,401 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-09-25 12:03:07,401 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-09-25 12:03:07,401 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-09-25 12:03:07,401 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-09-25 12:03:07,401 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-09-25 12:03:07,402 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-09-25 12:03:07,402 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-09-25 12:03:07,402 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-09-25 12:03:07,402 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-09-25 12:03:07,402 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 12:03:07,403 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-09-25 12:03:07,403 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-09-25 12:03:07,403 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-09-25 12:03:07,403 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-09-25 12:03:07,403 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-09-25 12:03:07,403 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-09-25 12:03:07,404 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1
[2020-09-25 12:03:07,404 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-09-25 12:03:07,404 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-09-25 12:03:07,404 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-09-25 12:03:07,405 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-09-25 12:03:07,405 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-09-25 12:03:07,405 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-09-25 12:03:07,405 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-09-25 12:03:07,405 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-09-25 12:03:07,405 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopSystem
[2020-09-25 12:03:07,406 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-09-25 12:03:07,406 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-09-25 12:03:07,406 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-09-25 12:03:07,406 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-09-25 12:03:07,406 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-09-25 12:03:07,406 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-09-25 12:03:07,407 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-09-25 12:03:07,407 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 12:03:07,407 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 12:03:07,407 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-09-25 12:03:07,407 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-09-25 12:03:07,407 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-09-25 12:03:07,408 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-09-25 12:03:07,408 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-09-25 12:03:07,408 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-09-25 12:03:07,408 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-09-25 12:03:07,408 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-09-25 12:03:07,408 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-09-25 12:03:07,408 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-09-25 12:03:07,409 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-09-25 12:03:07,409 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-09-25 12:03:07,409 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-09-25 12:03:07,409 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-09-25 12:03:07,409 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-09-25 12:03:07,409 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-09-25 12:03:07,410 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-09-25 12:03:07,410 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-09-25 12:03:07,410 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-09-25 12:03:07,410 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-09-25 12:03:07,410 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-25 12:03:07,410 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-25 12:03:07,411 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 12:03:07,411 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-25 12:03:07,411 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-09-25 12:03:07,411 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 12:03:07,411 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-09-25 12:03:07,411 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-09-25 12:03:07,412 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 12:03:07,412 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-09-25 12:03:07,412 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-09-25 12:03:07,412 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 12:03:07,412 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-09-25 12:03:07,412 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-09-25 12:03:07,412 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-09-25 12:03:07,413 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-09-25 12:03:07,413 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1
[2020-09-25 12:03:07,413 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-09-25 12:03:07,413 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-09-25 12:03:07,413 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-09-25 12:03:07,413 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-09-25 12:03:07,413 INFO  L130     BoogieDeclarations]: Found specification of procedure stopSystem
[2020-09-25 12:03:07,414 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-09-25 12:03:07,414 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-09-25 12:03:07,414 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-09-25 12:03:07,414 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 12:03:07,414 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-25 12:03:07,414 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 12:03:08,593 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 12:03:08,594 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-09-25 12:03:08,604 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:03:08 BoogieIcfgContainer
[2020-09-25 12:03:08,604 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 12:03:08,605 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 12:03:08,605 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 12:03:08,609 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-09-25 12:03:08,610 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:03:06" (1/3) ...
[2020-09-25 12:03:08,611 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f6209d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:03:08, skipping insertion in model container
[2020-09-25 12:03:08,611 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:07" (2/3) ...
[2020-09-25 12:03:08,611 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f6209d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:03:08, skipping insertion in model container
[2020-09-25 12:03:08,611 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:03:08" (3/3) ...
[2020-09-25 12:03:08,614 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec3_product07.cil.c
[2020-09-25 12:03:08,626 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 12:03:08,637 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 12:03:08,660 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 12:03:08,694 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-09-25 12:03:08,694 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-09-25 12:03:08,694 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 12:03:08,694 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 12:03:08,695 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 12:03:08,695 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-09-25 12:03:08,695 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 12:03:08,695 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 12:03:08,724 INFO  L276                IsEmpty]: Start isEmpty. Operand 281 states.
[2020-09-25 12:03:08,742 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 154
[2020-09-25 12:03:08,743 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 12:03:08,744 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 12:03:08,745 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 12:03:08,752 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 12:03:08,753 INFO  L82        PathProgramCache]: Analyzing trace with hash 957582246, now seen corresponding path program 1 times
[2020-09-25 12:03:08,763 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 12:03:08,764 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2004903661]
[2020-09-25 12:03:08,764 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 12:03:09,118 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:09,265 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:09,491 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:10,942 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:14,129 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:14,130 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 186
[2020-09-25 12:03:14,131 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 12:03:14,134 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5002
[2020-09-25 12:03:14,138 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:14,139 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:14,139 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 16
[2020-09-25 12:03:14,139 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 81
[2020-09-25 12:03:14,139 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 89
[2020-09-25 12:03:14,140 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 4
[2020-09-25 12:03:14,647 WARN  L193               SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 12:03:14,655 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 12:03:14,711 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:14,753 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:14,995 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:14,996 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 12:03:14,996 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:14,996 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 283
[2020-09-25 12:03:14,997 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:14,997 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:14,997 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:03:14,997 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:03:14,998 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 77
[2020-09-25 12:03:14,998 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:15,076 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 12:03:15,077 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:15,081 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:15,093 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:15,093 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 12:03:15,093 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:15,093 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 14
[2020-09-25 12:03:15,094 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:15,094 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:15,094 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:03:15,095 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:03:15,095 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 12:03:15,095 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:15,105 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 12:03:15,106 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:15,111 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:15,117 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:15,117 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 12:03:15,117 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:15,117 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 10
[2020-09-25 12:03:15,118 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:15,118 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:15,118 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:03:15,118 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:03:15,119 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 12:03:15,119 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:15,122 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 12:03:15,123 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:15,126 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:15,138 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:15,138 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 12:03:15,138 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:15,139 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 14
[2020-09-25 12:03:15,139 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:15,139 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:15,140 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:03:15,140 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:03:15,140 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 12:03:15,141 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:15,143 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 12:03:15,146 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:15,148 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:15,153 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:15,154 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 12:03:15,154 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:15,154 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 12:03:15,154 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:15,154 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:15,155 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:03:15,155 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:03:15,155 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 12:03:15,155 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:15,159 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121
[2020-09-25 12:03:15,161 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:15,163 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:15,168 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:15,168 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 12:03:15,169 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:15,169 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 12:03:15,169 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:15,169 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:15,170 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:03:15,170 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:03:15,170 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 12:03:15,170 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:15,172 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131
[2020-09-25 12:03:15,175 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:15,178 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:15,187 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:15,188 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 12:03:15,188 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:15,188 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 11
[2020-09-25 12:03:15,188 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:15,189 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:15,189 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 12:03:15,189 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:03:15,189 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 12:03:15,190 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:15,227 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141
[2020-09-25 12:03:15,228 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:15,232 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:15,234 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:15,235 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 12:03:15,235 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:15,235 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 12:03:15,235 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:15,236 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:15,236 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 12:03:15,236 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 12:03:15,236 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 12:03:15,236 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:15,316 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 12:03:15,317 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2004903661]
[2020-09-25 12:03:15,319 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 12:03:15,319 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-25 12:03:15,320 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041445043]
[2020-09-25 12:03:15,330 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-25 12:03:15,331 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 12:03:15,348 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-25 12:03:15,351 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2020-09-25 12:03:15,354 INFO  L87              Difference]: Start difference. First operand 281 states. Second operand 8 states.
[2020-09-25 12:03:16,002 WARN  L193               SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 12:03:17,498 WARN  L193               SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 193
[2020-09-25 12:03:18,309 WARN  L193               SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188
[2020-09-25 12:03:18,984 WARN  L193               SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190
[2020-09-25 12:03:19,379 WARN  L193               SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 12:03:19,786 WARN  L193               SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 12:03:20,099 WARN  L193               SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 12:03:20,442 WARN  L193               SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 12:03:21,623 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 12:03:21,624 INFO  L93              Difference]: Finished difference Result 562 states and 698 transitions.
[2020-09-25 12:03:21,625 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2020-09-25 12:03:21,627 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 153
[2020-09-25 12:03:21,628 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 12:03:21,648 INFO  L225             Difference]: With dead ends: 562
[2020-09-25 12:03:21,649 INFO  L226             Difference]: Without dead ends: 392
[2020-09-25 12:03:21,656 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272
[2020-09-25 12:03:21,675 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 392 states.
[2020-09-25 12:03:21,785 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 346.
[2020-09-25 12:03:21,787 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 346 states.
[2020-09-25 12:03:21,790 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 392 transitions.
[2020-09-25 12:03:21,792 INFO  L78                 Accepts]: Start accepts. Automaton has 346 states and 392 transitions. Word has length 153
[2020-09-25 12:03:21,793 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 12:03:21,793 INFO  L479      AbstractCegarLoop]: Abstraction has 346 states and 392 transitions.
[2020-09-25 12:03:21,794 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-25 12:03:21,794 INFO  L276                IsEmpty]: Start isEmpty. Operand 346 states and 392 transitions.
[2020-09-25 12:03:21,800 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 160
[2020-09-25 12:03:21,800 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 12:03:21,801 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 12:03:21,801 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 12:03:21,801 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 12:03:21,802 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 12:03:21,802 INFO  L82        PathProgramCache]: Analyzing trace with hash 788381853, now seen corresponding path program 1 times
[2020-09-25 12:03:21,802 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 12:03:21,802 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [778600872]
[2020-09-25 12:03:21,803 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 12:03:21,854 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:21,908 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:22,004 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:22,166 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:26,867 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:26,867 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 194
[2020-09-25 12:03:26,867 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 12:03:26,867 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5010
[2020-09-25 12:03:26,868 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:26,868 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:26,868 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 8
[2020-09-25 12:03:26,868 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 80
[2020-09-25 12:03:26,869 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 68
[2020-09-25 12:03:26,869 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:27,158 WARN  L193               SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 12:03:27,159 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 12:03:27,192 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:27,228 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:27,432 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:27,433 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 12:03:27,433 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:27,433 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 239
[2020-09-25 12:03:27,433 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:27,434 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:27,434 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:03:27,434 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:03:27,434 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 76
[2020-09-25 12:03:27,435 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:27,485 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 12:03:27,486 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:27,487 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:27,490 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:27,490 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 12:03:27,490 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:27,491 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 12:03:27,491 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:27,491 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:27,491 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:03:27,492 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:03:27,492 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 12:03:27,492 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:27,493 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 12:03:27,494 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:27,495 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:27,498 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:27,498 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 12:03:27,498 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:27,498 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 12:03:27,499 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:27,499 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:27,499 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:03:27,499 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:03:27,499 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 12:03:27,499 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 12:03:27,501 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 12:03:27,502 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:27,504 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:27,511 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:27,511 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 12:03:27,512 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:27,512 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 12:03:27,512 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:27,512 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:27,512 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:03:27,513 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:03:27,513 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 12:03:27,513 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:27,515 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 12:03:27,516 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:27,517 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:27,520 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:27,520 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 12:03:27,520 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:27,520 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 12:03:27,521 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:27,521 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:27,521 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:03:27,521 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:03:27,521 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 12:03:27,522 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 12:03:27,533 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117
[2020-09-25 12:03:27,535 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:27,536 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:27,544 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:27,544 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 12:03:27,544 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:27,544 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 12:03:27,545 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:27,545 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:27,545 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:03:27,545 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:03:27,545 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 12:03:27,546 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:27,548 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127
[2020-09-25 12:03:27,549 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:27,550 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:27,552 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:27,552 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 12:03:27,552 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:27,552 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 12:03:27,553 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:27,553 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:27,553 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 12:03:27,553 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 12:03:27,553 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 12:03:27,554 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:27,555 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137
[2020-09-25 12:03:27,556 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:27,558 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:27,559 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:27,559 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 12:03:27,559 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:27,560 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 12:03:27,560 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:27,560 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:27,560 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 12:03:27,560 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 12:03:27,561 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 12:03:27,561 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:27,562 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147
[2020-09-25 12:03:27,563 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:27,565 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:27,566 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:27,566 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 12:03:27,566 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:27,567 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 12:03:27,567 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:27,567 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:27,567 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 12:03:27,567 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 12:03:27,568 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 12:03:27,568 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 12:03:27,599 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 12:03:27,599 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [778600872]
[2020-09-25 12:03:27,600 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 12:03:27,600 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-09-25 12:03:27,600 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473990600]
[2020-09-25 12:03:27,602 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-09-25 12:03:27,603 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 12:03:27,603 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-09-25 12:03:27,603 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2020-09-25 12:03:27,604 INFO  L87              Difference]: Start difference. First operand 346 states and 392 transitions. Second operand 6 states.
[2020-09-25 12:03:28,143 WARN  L193               SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 12:03:28,923 WARN  L193               SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 12:03:31,064 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 12:03:31,064 INFO  L93              Difference]: Finished difference Result 1090 states and 1368 transitions.
[2020-09-25 12:03:31,065 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2020-09-25 12:03:31,065 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 159
[2020-09-25 12:03:31,068 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 12:03:31,085 INFO  L225             Difference]: With dead ends: 1090
[2020-09-25 12:03:31,085 INFO  L226             Difference]: Without dead ends: 854
[2020-09-25 12:03:31,092 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90
[2020-09-25 12:03:31,094 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 854 states.
[2020-09-25 12:03:31,235 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 747.
[2020-09-25 12:03:31,235 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 747 states.
[2020-09-25 12:03:31,240 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 883 transitions.
[2020-09-25 12:03:31,241 INFO  L78                 Accepts]: Start accepts. Automaton has 747 states and 883 transitions. Word has length 159
[2020-09-25 12:03:31,241 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 12:03:31,242 INFO  L479      AbstractCegarLoop]: Abstraction has 747 states and 883 transitions.
[2020-09-25 12:03:31,242 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-09-25 12:03:31,242 INFO  L276                IsEmpty]: Start isEmpty. Operand 747 states and 883 transitions.
[2020-09-25 12:03:31,247 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 177
[2020-09-25 12:03:31,247 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 12:03:31,247 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 12:03:31,247 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 12:03:31,248 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 12:03:31,248 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 12:03:31,248 INFO  L82        PathProgramCache]: Analyzing trace with hash -1861287888, now seen corresponding path program 1 times
[2020-09-25 12:03:31,248 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 12:03:31,248 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2138003552]
[2020-09-25 12:03:31,249 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 12:03:31,308 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-09-25 12:03:31,316 INFO  L174   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-09-25 12:03:31,316 INFO  L520         BasicCegarLoop]: Counterexample might be feasible
[2020-09-25 12:03:31,322 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 12:03:31,349 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 12:03:31 BoogieIcfgContainer
[2020-09-25 12:03:31,349 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-25 12:03:31,351 INFO  L168              Benchmark]: Toolchain (without parser) took 24865.31 ms. Allocated memory was 145.8 MB in the beginning and 535.8 MB in the end (delta: 390.1 MB). Free memory was 99.7 MB in the beginning and 218.8 MB in the end (delta: -119.0 MB). Peak memory consumption was 271.0 MB. Max. memory is 7.1 GB.
[2020-09-25 12:03:31,352 INFO  L168              Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 145.8 MB. Free memory was 119.2 MB in the beginning and 118.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-09-25 12:03:31,353 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 688.10 ms. Allocated memory was 145.8 MB in the beginning and 202.4 MB in the end (delta: 56.6 MB). Free memory was 99.1 MB in the beginning and 173.3 MB in the end (delta: -74.3 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB.
[2020-09-25 12:03:31,354 INFO  L168              Benchmark]: Boogie Preprocessor took 142.75 ms. Allocated memory is still 202.4 MB. Free memory was 173.3 MB in the beginning and 168.3 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB.
[2020-09-25 12:03:31,355 INFO  L168              Benchmark]: RCFGBuilder took 1283.00 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 168.3 MB in the beginning and 182.1 MB in the end (delta: -13.8 MB). Peak memory consumption was 86.5 MB. Max. memory is 7.1 GB.
[2020-09-25 12:03:31,356 INFO  L168              Benchmark]: TraceAbstraction took 22743.82 ms. Allocated memory was 234.9 MB in the beginning and 535.8 MB in the end (delta: 300.9 MB). Free memory was 182.1 MB in the beginning and 218.8 MB in the end (delta: -36.7 MB). Peak memory consumption was 264.2 MB. Max. memory is 7.1 GB.
[2020-09-25 12:03:31,361 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.37 ms. Allocated memory is still 145.8 MB. Free memory was 119.2 MB in the beginning and 118.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 688.10 ms. Allocated memory was 145.8 MB in the beginning and 202.4 MB in the end (delta: 56.6 MB). Free memory was 99.1 MB in the beginning and 173.3 MB in the end (delta: -74.3 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 142.75 ms. Allocated memory is still 202.4 MB. Free memory was 173.3 MB in the beginning and 168.3 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1283.00 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 168.3 MB in the beginning and 182.1 MB in the end (delta: -13.8 MB). Peak memory consumption was 86.5 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 22743.82 ms. Allocated memory was 234.9 MB in the beginning and 535.8 MB in the end (delta: 300.9 MB). Free memory was 182.1 MB in the beginning and 218.8 MB in the end (delta: -36.7 MB). Peak memory consumption was 264.2 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - CounterExampleResult [Line: 44]: a call of __VERIFIER_error() is reachable
    a call of __VERIFIER_error() is reachable
We found a FailurePath: 
[L87]               int cleanupTimeShifts  =    4;
[L357]              static struct __ACC__ERR *head  =    (struct __ACC__ERR *)0;
[L596]              int pumpRunning  =    0;
[L597]              int systemActive  =    1;
[L811]              int waterLevel  =    1;
[L812]              int methaneLevelCritical  =    0;
[L165]              int retValue_acc ;
[L166]              int tmp ;
[L170]  FCALL       select_helpers()
[L171]  FCALL       select_features()
[L172]  CALL, EXPR  valid_product()
[L78]               int retValue_acc ;
[L81]               retValue_acc = 1
[L82]               return (retValue_acc);
[L172]  RET, EXPR   valid_product()
[L172]              tmp = valid_product()
[L174]  COND TRUE   \read(tmp)
[L176]  FCALL       setup()
[L177]  CALL        runTest()
[L159]  CALL        test()
[L745]              int splverifierCounter ;
[L746]              int tmp ;
[L747]              int tmp___0 ;
[L748]              int tmp___1 ;
[L749]              int tmp___2 ;
[L752]              splverifierCounter = 0
[L754]  COND TRUE   1
[L756]  COND TRUE   splverifierCounter < 4
[L762]              tmp = __VERIFIER_nondet_int()
[L764]  COND TRUE   \read(tmp)
[L766]  CALL        waterRise()
[L829]  COND TRUE   waterLevel < 2
[L830]              waterLevel = waterLevel + 1
[L766]  RET         waterRise()
[L772]              tmp___0 = __VERIFIER_nondet_int()
[L774]  COND FALSE  !(\read(tmp___0))
[L782]              tmp___2 = __VERIFIER_nondet_int()
[L784]  COND TRUE   \read(tmp___2)
[L799]  CALL        timeShift()
[L603]  COND FALSE  !(\read(pumpRunning))
[L610]  COND TRUE   \read(systemActive)
[L612]  CALL        processEnvironment()
[L632]              int tmp ;
[L635]  COND FALSE  !(\read(pumpRunning))
[L650]  FCALL       processEnvironment__wrappee__base()
[L612]  RET         processEnvironment()
[L618]  CALL        __utac_acc__Specification3_spec__1()
[L558]              int tmp ;
[L559]              int tmp___0 ;
[L560]              int tmp___1 ;
[L564]  CALL, EXPR  isMethaneLevelCritical()
[L850]              int retValue_acc ;
[L853]              retValue_acc = methaneLevelCritical
[L854]              return (retValue_acc);
[L564]  RET, EXPR   isMethaneLevelCritical()
[L564]              tmp = isMethaneLevelCritical()
[L566]  COND FALSE  !(\read(tmp))
[L570]  CALL, EXPR  getWaterLevel()
[L882]              int retValue_acc ;
[L885]              retValue_acc = waterLevel
[L886]              return (retValue_acc);
[L570]  RET, EXPR   getWaterLevel()
[L570]              tmp___0 = getWaterLevel()
[L572]  COND TRUE   tmp___0 == 2
[L574]  CALL, EXPR  isPumpRunning()
[L684]              int retValue_acc ;
[L687]              retValue_acc = pumpRunning
[L688]              return (retValue_acc);
[L574]  RET, EXPR   isPumpRunning()
[L574]              tmp___1 = isPumpRunning()
[L576]  COND FALSE  !(\read(tmp___1))
[L580]  CALL        __automaton_fail()
[L44]               __VERIFIER_error()

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 36 procedures, 596 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 22.6s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 9.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 491 SDtfs, 1106 SDslu, 881 SDs, 0 SdLazy, 1747 SolverSat, 436 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=747occurred 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, 153 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 11.8s InterpolantComputationTime, 488 NumberOfCodeBlocks, 488 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 310 ConstructedInterpolants, 0 QuantifiedInterpolants, 135914 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...