/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=0.2 --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_spec1_product33.cil.c


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


This is Ultimate 0.1.25-c90d42b
[2020-09-25 10:50:17,715 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-09-25 10:50:17,719 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 10:50:17,761 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 10:50:17,762 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 10:50:17,770 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 10:50:17,772 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 10:50:17,775 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 10:50:17,777 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 10:50:17,780 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 10:50:17,781 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 10:50:17,782 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 10:50:17,782 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 10:50:17,785 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 10:50:17,787 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 10:50:17,789 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 10:50:17,790 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 10:50:17,791 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 10:50:17,793 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 10:50:17,801 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 10:50:17,802 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 10:50:17,803 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 10:50:17,804 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 10:50:17,805 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 10:50:17,807 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 10:50:17,807 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 10:50:17,808 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 10:50:17,808 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 10:50:17,809 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 10:50:17,810 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 10:50:17,810 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 10:50:17,811 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 10:50:17,812 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 10:50:17,812 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 10:50:17,813 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 10:50:17,813 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 10:50:17,814 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
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[2020-09-25 10:50:17,815 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 10:50:17,816 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 10:50:17,817 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 10:50:17,818 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 10:50:17,843 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-09-25 10:50:17,843 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 10:50:17,844 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 10:50:17,844 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-09-25 10:50:17,845 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-09-25 10:50:17,845 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 10:50:17,845 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-09-25 10:50:17,845 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-09-25 10:50:17,846 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-09-25 10:50:17,846 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-09-25 10:50:17,846 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 10:50:17,846 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 10:50:17,846 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 10:50:17,846 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-09-25 10:50:17,847 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-09-25 10:50:17,847 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-09-25 10:50:17,847 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-09-25 10:50:17,847 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 10:50:17,847 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-09-25 10:50:17,848 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-09-25 10:50:17,848 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-09-25 10:50:17,848 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 10:50:17,848 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 10:50:17,848 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 10:50:17,849 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 10:50:17,849 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-09-25 10:50:17,849 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 10:50:17,849 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 10:50:17,849 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-09-25 10:50:17,849 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=0.2;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=0.2;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=0.2;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=0.2;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=0.2;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=0.2;log-additional-information=true;
[2020-09-25 10:50:18,315 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 10:50:18,332 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 10:50:18,336 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 10:50:18,338 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-09-25 10:50:18,339 INFO  L275        PluginConnector]: CDTParser initialized
[2020-09-25 10:50:18,340 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product33.cil.c
[2020-09-25 10:50:18,426 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/23139d496/3e54de8bc91145158b0499f6230a6931/FLAG09bad7a3f
[2020-09-25 10:50:19,010 INFO  L306              CDTParser]: Found 1 translation units.
[2020-09-25 10:50:19,011 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product33.cil.c
[2020-09-25 10:50:19,026 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/23139d496/3e54de8bc91145158b0499f6230a6931/FLAG09bad7a3f
[2020-09-25 10:50:19,302 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/23139d496/3e54de8bc91145158b0499f6230a6931
[2020-09-25 10:50:19,317 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 10:50:19,323 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 10:50:19,324 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 10:50:19,324 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 10:50:19,328 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 10:50:19,329 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 10:50:19" (1/1) ...
[2020-09-25 10:50:19,333 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a4700e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:50:19, skipping insertion in model container
[2020-09-25 10:50:19,333 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 10:50:19" (1/1) ...
[2020-09-25 10:50:19,342 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-09-25 10:50:19,404 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-09-25 10:50:19,748 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 10:50:19,773 INFO  L203         MainTranslator]: Completed pre-run
[2020-09-25 10:50:19,991 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 10:50:20,024 INFO  L208         MainTranslator]: Completed translation
[2020-09-25 10:50:20,024 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:50:20 WrapperNode
[2020-09-25 10:50:20,024 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 10:50:20,025 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 10:50:20,025 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 10:50:20,026 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 10:50:20,040 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:50:20" (1/1) ...
[2020-09-25 10:50:20,040 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:50:20" (1/1) ...
[2020-09-25 10:50:20,059 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:50:20" (1/1) ...
[2020-09-25 10:50:20,060 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:50:20" (1/1) ...
[2020-09-25 10:50:20,112 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:50:20" (1/1) ...
[2020-09-25 10:50:20,123 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:50:20" (1/1) ...
[2020-09-25 10:50:20,128 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:50:20" (1/1) ...
[2020-09-25 10:50:20,136 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 10:50:20,136 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 10:50:20,137 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 10:50:20,137 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-09-25 10:50:20,138 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:50:20" (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 10:50:20,229 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 10:50:20,229 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 10:50:20,229 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-09-25 10:50:20,230 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-09-25 10:50:20,230 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-09-25 10:50:20,230 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-09-25 10:50:20,231 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-09-25 10:50:20,232 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-09-25 10:50:20,232 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-09-25 10:50:20,233 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-09-25 10:50:20,233 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-09-25 10:50:20,233 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-09-25 10:50:20,233 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-09-25 10:50:20,234 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-09-25 10:50:20,234 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-09-25 10:50:20,235 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-09-25 10:50:20,235 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-09-25 10:50:20,235 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-09-25 10:50:20,235 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2020-09-25 10:50:20,236 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-09-25 10:50:20,237 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-09-25 10:50:20,237 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-09-25 10:50:20,237 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-09-25 10:50:20,237 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-09-25 10:50:20,239 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-09-25 10:50:20,240 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-09-25 10:50:20,240 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-09-25 10:50:20,240 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-09-25 10:50:20,240 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 10:50:20,241 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1
[2020-09-25 10:50:20,241 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-09-25 10:50:20,241 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-09-25 10:50:20,241 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-09-25 10:50:20,241 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-09-25 10:50:20,242 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-09-25 10:50:20,242 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-09-25 10:50:20,242 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2020-09-25 10:50:20,242 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 10:50:20,242 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 10:50:20,242 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-09-25 10:50:20,243 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-09-25 10:50:20,243 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-09-25 10:50:20,243 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-09-25 10:50:20,243 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-09-25 10:50:20,243 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-25 10:50:20,243 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-25 10:50:20,244 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 10:50:20,244 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-25 10:50:20,244 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-09-25 10:50:20,244 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 10:50:20,244 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-09-25 10:50:20,245 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-09-25 10:50:20,245 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 10:50:20,245 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-09-25 10:50:20,245 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-09-25 10:50:20,246 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 10:50:20,246 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-09-25 10:50:20,246 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-09-25 10:50:20,246 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-09-25 10:50:20,246 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-09-25 10:50:20,247 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-09-25 10:50:20,247 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2020-09-25 10:50:20,247 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-09-25 10:50:20,247 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-09-25 10:50:20,247 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-09-25 10:50:20,248 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-09-25 10:50:20,248 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-09-25 10:50:20,248 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1
[2020-09-25 10:50:20,248 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-09-25 10:50:20,249 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-09-25 10:50:20,249 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2020-09-25 10:50:20,251 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-09-25 10:50:20,251 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-09-25 10:50:20,251 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-09-25 10:50:20,251 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-09-25 10:50:20,251 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-09-25 10:50:20,252 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-09-25 10:50:20,252 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-09-25 10:50:20,252 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-09-25 10:50:20,252 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-09-25 10:50:20,252 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-09-25 10:50:20,252 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-09-25 10:50:20,253 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-09-25 10:50:20,253 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-09-25 10:50:20,254 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-09-25 10:50:20,254 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 10:50:20,254 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-25 10:50:20,254 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 10:50:21,345 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 10:50:21,345 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-09-25 10:50:21,352 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 10:50:21 BoogieIcfgContainer
[2020-09-25 10:50:21,352 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 10:50:21,353 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 10:50:21,353 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 10:50:21,357 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-09-25 10:50:21,357 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 10:50:19" (1/3) ...
[2020-09-25 10:50:21,358 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@749e0300 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 10:50:21, skipping insertion in model container
[2020-09-25 10:50:21,358 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:50:20" (2/3) ...
[2020-09-25 10:50:21,359 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@749e0300 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 10:50:21, skipping insertion in model container
[2020-09-25 10:50:21,359 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 10:50:21" (3/3) ...
[2020-09-25 10:50:21,361 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec1_product33.cil.c
[2020-09-25 10:50:21,373 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 10:50:21,385 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 10:50:21,408 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 10:50:21,441 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-09-25 10:50:21,442 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-09-25 10:50:21,442 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 10:50:21,442 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 10:50:21,442 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 10:50:21,442 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-09-25 10:50:21,442 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 10:50:21,443 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 10:50:21,474 INFO  L276                IsEmpty]: Start isEmpty. Operand 284 states.
[2020-09-25 10:50:21,491 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 143
[2020-09-25 10:50:21,492 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 10:50:21,493 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]
[2020-09-25 10:50:21,494 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 10:50:21,502 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 10:50:21,503 INFO  L82        PathProgramCache]: Analyzing trace with hash -955195086, now seen corresponding path program 1 times
[2020-09-25 10:50:21,515 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 10:50:21,516 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1747684681]
[2020-09-25 10:50:21,516 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 10:50:21,866 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:22,025 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:22,231 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:22,675 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:23,605 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:23,789 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:26,921 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:26,921 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 173
[2020-09-25 10:50:26,922 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 5
[2020-09-25 10:50:26,922 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5045
[2020-09-25 10:50:26,927 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:26,928 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:26,929 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 12
[2020-09-25 10:50:26,930 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 82
[2020-09-25 10:50:26,930 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 75
[2020-09-25 10:50:26,931 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 7
[2020-09-25 10:50:27,427 WARN  L193               SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 10:50:27,431 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 10:50:27,484 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:27,530 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:27,816 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:27,826 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 10:50:27,826 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:27,828 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 331
[2020-09-25 10:50:27,829 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:27,829 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:27,830 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 10:50:27,830 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:27,830 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 78
[2020-09-25 10:50:27,831 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 10:50:27,965 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 10:50:27,967 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:27,969 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:27,973 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:27,973 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 10:50:27,973 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:27,974 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 10:50:27,974 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:27,974 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:27,974 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 10:50:27,975 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:27,975 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 10:50:27,975 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:27,977 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 10:50:27,978 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:27,979 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:27,982 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:27,983 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 10:50:27,983 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:27,983 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 10:50:27,983 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:27,984 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:27,984 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 10:50:27,984 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:27,984 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 10:50:27,984 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:27,986 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 10:50:27,987 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:27,990 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:27,998 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:27,999 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 10:50:27,999 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:27,999 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 10
[2020-09-25 10:50:27,999 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:27,999 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:28,000 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 10:50:28,000 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:28,000 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 10:50:28,000 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:28,003 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 10:50:28,004 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:28,005 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:28,009 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:28,009 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 10:50:28,009 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:28,010 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 10:50:28,010 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:28,010 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:28,011 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 10:50:28,011 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:28,012 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 10:50:28,012 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 10:50:28,014 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-09-25 10:50:28,015 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:28,017 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:28,025 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:28,025 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 10:50:28,026 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:28,026 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 9
[2020-09-25 10:50:28,027 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:28,027 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:28,027 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 10:50:28,028 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:28,028 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 10:50:28,028 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:28,062 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130
[2020-09-25 10:50:28,063 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:28,065 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:28,067 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:28,067 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 10:50:28,068 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:28,068 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 10:50:28,068 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:28,069 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:28,069 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 10:50:28,070 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 10:50:28,070 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 10:50:28,070 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:28,105 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 10:50:28,106 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1747684681]
[2020-09-25 10:50:28,108 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 10:50:28,109 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-25 10:50:28,110 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143001589]
[2020-09-25 10:50:28,117 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-25 10:50:28,117 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 10:50:28,136 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-25 10:50:28,137 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2020-09-25 10:50:28,139 INFO  L87              Difference]: Start difference. First operand 284 states. Second operand 8 states.
[2020-09-25 10:50:28,717 WARN  L193               SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 10:50:29,933 WARN  L193               SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 10:50:30,211 WARN  L193               SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 10:50:30,506 WARN  L193               SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 10:50:30,866 WARN  L193               SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 10:50:31,142 WARN  L193               SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 10:50:31,735 WARN  L193               SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 10:50:32,070 WARN  L193               SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 10:50:32,600 WARN  L193               SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 10:50:33,624 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 10:50:33,624 INFO  L93              Difference]: Finished difference Result 554 states and 680 transitions.
[2020-09-25 10:50:33,625 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2020-09-25 10:50:33,626 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 142
[2020-09-25 10:50:33,627 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 10:50:33,649 INFO  L225             Difference]: With dead ends: 554
[2020-09-25 10:50:33,650 INFO  L226             Difference]: Without dead ends: 370
[2020-09-25 10:50:33,656 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272
[2020-09-25 10:50:33,698 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 370 states.
[2020-09-25 10:50:33,795 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 319.
[2020-09-25 10:50:33,797 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 319 states.
[2020-09-25 10:50:33,799 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 351 transitions.
[2020-09-25 10:50:33,801 INFO  L78                 Accepts]: Start accepts. Automaton has 319 states and 351 transitions. Word has length 142
[2020-09-25 10:50:33,802 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 10:50:33,802 INFO  L479      AbstractCegarLoop]: Abstraction has 319 states and 351 transitions.
[2020-09-25 10:50:33,802 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-25 10:50:33,803 INFO  L276                IsEmpty]: Start isEmpty. Operand 319 states and 351 transitions.
[2020-09-25 10:50:33,808 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 158
[2020-09-25 10:50:33,808 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 10:50:33,808 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]
[2020-09-25 10:50:33,808 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 10:50:33,809 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 10:50:33,809 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 10:50:33,809 INFO  L82        PathProgramCache]: Analyzing trace with hash -1771046577, now seen corresponding path program 1 times
[2020-09-25 10:50:33,809 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 10:50:33,810 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1457446062]
[2020-09-25 10:50:33,810 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 10:50:33,863 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:33,920 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:34,129 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:34,325 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:37,669 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:37,669 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 188
[2020-09-25 10:50:37,669 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 10:50:37,670 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3803
[2020-09-25 10:50:37,670 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:37,671 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:37,671 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 14
[2020-09-25 10:50:37,671 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 78
[2020-09-25 10:50:37,672 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 106
[2020-09-25 10:50:37,672 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:37,954 WARN  L193               SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 10:50:37,955 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 10:50:37,987 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:38,023 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:38,181 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:38,181 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 10:50:38,181 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:38,182 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 193
[2020-09-25 10:50:38,182 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:38,182 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:38,182 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 10:50:38,183 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:38,183 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 74
[2020-09-25 10:50:38,183 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:38,225 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 10:50:38,226 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:38,228 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:38,230 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:38,231 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 10:50:38,231 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:38,231 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 10:50:38,231 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:38,232 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:38,232 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 10:50:38,232 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:38,232 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 10:50:38,233 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:38,234 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 10:50:38,234 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:38,238 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:38,242 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:38,242 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 10:50:38,242 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:38,243 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 10:50:38,243 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:38,243 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:38,243 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 10:50:38,244 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:38,244 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 10:50:38,244 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:38,245 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 10:50:38,246 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:38,248 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:38,255 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:38,256 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 10:50:38,256 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:38,256 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 10:50:38,256 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:38,257 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:38,257 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 10:50:38,257 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:38,257 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 10:50:38,257 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:38,259 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 10:50:38,260 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:38,261 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:38,263 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:38,264 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 10:50:38,264 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:38,264 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 10:50:38,264 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:38,265 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:38,265 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 10:50:38,265 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:38,265 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 10:50:38,265 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:38,274 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-09-25 10:50:38,275 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:38,277 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:38,284 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:38,284 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 10:50:38,284 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:38,285 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 10:50:38,285 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:38,285 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:38,285 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 10:50:38,286 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:38,286 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 10:50:38,286 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:38,288 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135
[2020-09-25 10:50:38,289 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:38,290 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:38,292 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:38,293 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 10:50:38,293 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:38,293 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 10:50:38,293 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:38,294 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:38,294 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 10:50:38,294 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:38,294 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 10:50:38,294 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:38,296 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145
[2020-09-25 10:50:38,297 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:38,299 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:38,306 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:38,306 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 10:50:38,306 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:38,306 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 10:50:38,307 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:38,307 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:38,307 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 10:50:38,307 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:38,307 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 10:50:38,308 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:38,407 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 10:50:38,408 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1457446062]
[2020-09-25 10:50:38,408 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 10:50:38,408 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-09-25 10:50:38,415 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087115419]
[2020-09-25 10:50:38,419 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-09-25 10:50:38,419 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 10:50:38,420 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-09-25 10:50:38,420 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2020-09-25 10:50:38,420 INFO  L87              Difference]: Start difference. First operand 319 states and 351 transitions. Second operand 9 states.
[2020-09-25 10:50:38,917 WARN  L193               SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 10:50:39,958 WARN  L193               SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 10:50:40,283 WARN  L193               SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 10:50:40,655 WARN  L193               SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 10:50:40,970 WARN  L193               SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 10:50:41,267 WARN  L193               SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 10:50:41,881 WARN  L193               SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 10:50:42,178 WARN  L193               SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 10:50:42,583 WARN  L193               SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 10:50:43,467 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 10:50:43,468 INFO  L93              Difference]: Finished difference Result 769 states and 934 transitions.
[2020-09-25 10:50:43,468 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2020-09-25 10:50:43,469 INFO  L78                 Accepts]: Start accepts. Automaton has 9 states. Word has length 157
[2020-09-25 10:50:43,470 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 10:50:43,477 INFO  L225             Difference]: With dead ends: 769
[2020-09-25 10:50:43,477 INFO  L226             Difference]: Without dead ends: 560
[2020-09-25 10:50:43,480 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342
[2020-09-25 10:50:43,481 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 560 states.
[2020-09-25 10:50:43,569 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 473.
[2020-09-25 10:50:43,569 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 473 states.
[2020-09-25 10:50:43,573 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 549 transitions.
[2020-09-25 10:50:43,573 INFO  L78                 Accepts]: Start accepts. Automaton has 473 states and 549 transitions. Word has length 157
[2020-09-25 10:50:43,574 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 10:50:43,574 INFO  L479      AbstractCegarLoop]: Abstraction has 473 states and 549 transitions.
[2020-09-25 10:50:43,574 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-09-25 10:50:43,574 INFO  L276                IsEmpty]: Start isEmpty. Operand 473 states and 549 transitions.
[2020-09-25 10:50:43,578 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 191
[2020-09-25 10:50:43,578 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 10:50:43,578 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 10:50:43,579 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 10:50:43,579 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 10:50:43,579 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 10:50:43,579 INFO  L82        PathProgramCache]: Analyzing trace with hash -533744723, now seen corresponding path program 1 times
[2020-09-25 10:50:43,579 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 10:50:43,580 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1272836132]
[2020-09-25 10:50:43,580 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 10:50:43,634 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:43,690 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:44,388 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:44,388 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 229
[2020-09-25 10:50:44,389 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:44,389 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 751
[2020-09-25 10:50:44,389 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:44,389 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:44,389 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 10:50:44,390 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 171
[2020-09-25 10:50:44,390 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 8
[2020-09-25 10:50:44,390 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 10:50:44,675 WARN  L193               SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 10:50:44,676 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 10:50:44,687 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:44,696 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:44,785 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:44,785 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 10:50:44,785 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:44,786 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 96
[2020-09-25 10:50:44,786 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:44,786 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:44,786 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 10:50:44,787 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:44,787 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 10:50:44,787 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:44,824 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 10:50:44,825 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:44,826 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:44,827 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:44,827 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 10:50:44,828 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:44,828 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 10:50:44,828 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:44,828 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:44,829 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 10:50:44,829 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:44,829 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 10:50:44,829 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:44,830 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 10:50:44,830 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:44,831 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:44,832 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:44,833 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 10:50:44,833 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:44,833 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 10:50:44,833 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:44,834 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:44,834 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 10:50:44,834 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:44,834 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 10:50:44,834 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:44,836 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 10:50:44,836 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:44,837 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:44,841 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:44,841 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 10:50:44,841 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:44,842 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 10:50:44,842 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:44,842 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:44,842 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 10:50:44,843 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:44,843 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 10:50:44,843 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:44,845 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 10:50:44,845 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:44,846 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:44,848 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:44,848 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 10:50:44,849 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:44,849 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 10:50:44,849 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:44,849 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:44,850 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 10:50:44,851 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:44,851 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 10:50:44,851 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 10:50:44,859 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-09-25 10:50:44,859 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:44,861 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:44,864 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:44,864 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 10:50:44,864 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:44,865 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 10:50:44,865 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:44,867 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:44,867 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 10:50:44,867 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:44,868 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 10:50:44,868 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 10:50:44,876 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132
[2020-09-25 10:50:44,880 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:44,885 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:44,936 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:44,936 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 44
[2020-09-25 10:50:44,936 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:44,936 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 54
[2020-09-25 10:50:44,937 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:44,937 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:44,937 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 10:50:44,938 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 16
[2020-09-25 10:50:44,938 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 8
[2020-09-25 10:50:44,938 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:44,942 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 10:50:44,947 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:44,952 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:44,985 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:44,985 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 27
[2020-09-25 10:50:44,986 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:44,986 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 36
[2020-09-25 10:50:44,986 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:44,986 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:44,987 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 10:50:44,987 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 11
[2020-09-25 10:50:44,987 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 8
[2020-09-25 10:50:44,987 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:45,047 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2020-09-25 10:50:45,049 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:45,051 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:45,056 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:45,056 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 10:50:45,056 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:45,057 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 10:50:45,057 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:45,057 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:45,057 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 10:50:45,057 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:45,058 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 10:50:45,058 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:45,082 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-09-25 10:50:45,083 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:45,084 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:45,086 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:45,087 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 10:50:45,087 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:45,087 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 10:50:45,087 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:45,088 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:45,088 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 10:50:45,088 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 6
[2020-09-25 10:50:45,088 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 10:50:45,088 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:45,090 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168
[2020-09-25 10:50:45,091 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:45,092 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:45,093 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:45,094 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 10:50:45,094 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:45,094 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 10:50:45,094 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:45,094 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:45,095 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 10:50:45,095 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 10:50:45,095 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 10:50:45,095 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 10:50:45,097 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178
[2020-09-25 10:50:45,098 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:45,099 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:45,101 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:45,101 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 10:50:45,101 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:45,102 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 10:50:45,102 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:45,102 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:45,103 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 10:50:45,103 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 10:50:45,103 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 10:50:45,104 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:45,156 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 10:50:45,157 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1272836132]
[2020-09-25 10:50:45,157 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 10:50:45,157 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-09-25 10:50:45,158 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667731573]
[2020-09-25 10:50:45,158 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-09-25 10:50:45,159 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 10:50:45,159 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-09-25 10:50:45,159 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2020-09-25 10:50:45,159 INFO  L87              Difference]: Start difference. First operand 473 states and 549 transitions. Second operand 9 states.
[2020-09-25 10:50:46,227 WARN  L193               SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 10:50:46,512 WARN  L193               SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 10:50:46,815 WARN  L193               SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 10:50:47,127 WARN  L193               SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 10:50:47,404 WARN  L193               SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 10:50:48,380 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 10:50:48,381 INFO  L93              Difference]: Finished difference Result 1022 states and 1310 transitions.
[2020-09-25 10:50:48,383 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2020-09-25 10:50:48,383 INFO  L78                 Accepts]: Start accepts. Automaton has 9 states. Word has length 190
[2020-09-25 10:50:48,384 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 10:50:48,393 INFO  L225             Difference]: With dead ends: 1022
[2020-09-25 10:50:48,394 INFO  L226             Difference]: Without dead ends: 659
[2020-09-25 10:50:48,397 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210
[2020-09-25 10:50:48,399 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 659 states.
[2020-09-25 10:50:48,466 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 485.
[2020-09-25 10:50:48,467 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 485 states.
[2020-09-25 10:50:48,470 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 561 transitions.
[2020-09-25 10:50:48,470 INFO  L78                 Accepts]: Start accepts. Automaton has 485 states and 561 transitions. Word has length 190
[2020-09-25 10:50:48,471 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 10:50:48,471 INFO  L479      AbstractCegarLoop]: Abstraction has 485 states and 561 transitions.
[2020-09-25 10:50:48,471 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-09-25 10:50:48,471 INFO  L276                IsEmpty]: Start isEmpty. Operand 485 states and 561 transitions.
[2020-09-25 10:50:48,474 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 191
[2020-09-25 10:50:48,475 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 10:50:48,475 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 10:50:48,475 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 10:50:48,475 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 10:50:48,475 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 10:50:48,476 INFO  L82        PathProgramCache]: Analyzing trace with hash 888496141, now seen corresponding path program 1 times
[2020-09-25 10:50:48,476 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 10:50:48,476 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [379974706]
[2020-09-25 10:50:48,476 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 10:50:48,525 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:48,584 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:49,373 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:49,374 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 229
[2020-09-25 10:50:49,374 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:49,374 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 846
[2020-09-25 10:50:49,374 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:49,374 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:49,375 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 10:50:49,375 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 179
[2020-09-25 10:50:49,375 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 9
[2020-09-25 10:50:49,375 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 10:50:49,668 WARN  L193               SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 10:50:49,669 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 10:50:49,677 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:49,686 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:49,809 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:49,810 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 10:50:49,810 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:49,810 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 131
[2020-09-25 10:50:49,810 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:49,810 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:49,811 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 10:50:49,811 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:49,811 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 10:50:49,811 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 10:50:49,845 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 10:50:49,846 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:49,847 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:49,850 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:49,850 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 10:50:49,850 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:49,851 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 10:50:49,851 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:49,851 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:49,851 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 10:50:49,852 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:49,852 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 10:50:49,852 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 10:50:49,853 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 10:50:49,853 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:49,854 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:49,856 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:49,856 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 10:50:49,856 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:49,856 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 10:50:49,857 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:49,857 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:49,857 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 10:50:49,857 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:49,857 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 10:50:49,857 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 10:50:49,858 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 10:50:49,859 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:49,860 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:49,863 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:49,863 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 10:50:49,863 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:49,863 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 10:50:49,864 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:49,864 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:49,864 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 10:50:49,864 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:49,864 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 10:50:49,864 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 10:50:49,866 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 10:50:49,866 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:49,867 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:49,868 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:49,869 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 10:50:49,869 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:49,869 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 10:50:49,869 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:49,869 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:49,870 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 10:50:49,870 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:49,870 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 10:50:49,870 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 10:50:49,881 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-09-25 10:50:49,882 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:49,883 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:49,887 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:49,887 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 10:50:49,887 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:49,887 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 10:50:49,887 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:49,888 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:49,888 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 10:50:49,888 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:49,888 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 10:50:49,888 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 10:50:49,897 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132
[2020-09-25 10:50:49,900 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:49,905 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:49,956 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:49,957 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 44
[2020-09-25 10:50:49,957 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:49,957 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 55
[2020-09-25 10:50:49,957 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:49,957 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:49,958 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 10:50:49,958 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 24
[2020-09-25 10:50:49,958 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 9
[2020-09-25 10:50:49,958 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:49,978 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 10:50:49,981 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:49,985 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:50,030 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:50,031 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 27
[2020-09-25 10:50:50,031 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:50,032 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 48
[2020-09-25 10:50:50,033 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:50,033 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:50,034 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 10:50:50,034 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:50,034 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 22
[2020-09-25 10:50:50,035 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 10:50:50,096 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2020-09-25 10:50:50,097 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:50,099 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:50,103 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:50,103 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 10:50:50,104 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:50,104 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 10:50:50,105 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:50,105 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:50,105 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 10:50:50,106 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:50,106 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 10:50:50,106 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:50,109 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-09-25 10:50:50,110 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:50,111 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:50,114 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:50,114 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 10:50:50,114 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:50,115 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 10:50:50,115 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:50,116 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:50,116 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 10:50:50,116 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 6
[2020-09-25 10:50:50,117 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 10:50:50,117 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:50,133 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168
[2020-09-25 10:50:50,134 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:50,135 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:50,137 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:50,137 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 10:50:50,137 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:50,138 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 10:50:50,138 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:50,138 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:50,139 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 10:50:50,139 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 10:50:50,139 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 10:50:50,140 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:50,141 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178
[2020-09-25 10:50:50,142 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:50,144 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:50,146 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:50,146 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 10:50:50,147 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:50,147 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 10:50:50,148 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:50,148 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:50,148 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 10:50:50,149 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 10:50:50,149 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 10:50:50,149 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:50,213 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 10:50:50,213 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [379974706]
[2020-09-25 10:50:50,214 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 10:50:50,214 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2020-09-25 10:50:50,214 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142047949]
[2020-09-25 10:50:50,215 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-09-25 10:50:50,216 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 10:50:50,216 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-09-25 10:50:50,216 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90
[2020-09-25 10:50:50,217 INFO  L87              Difference]: Start difference. First operand 485 states and 561 transitions. Second operand 10 states.
[2020-09-25 10:50:51,722 WARN  L193               SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 10:50:52,018 WARN  L193               SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-09-25 10:50:52,337 WARN  L193               SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 194
[2020-09-25 10:50:52,697 WARN  L193               SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 10:50:53,023 WARN  L193               SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 10:50:53,319 WARN  L193               SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 10:50:54,210 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 10:50:54,211 INFO  L93              Difference]: Finished difference Result 1040 states and 1295 transitions.
[2020-09-25 10:50:54,211 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2020-09-25 10:50:54,211 INFO  L78                 Accepts]: Start accepts. Automaton has 10 states. Word has length 190
[2020-09-25 10:50:54,212 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 10:50:54,217 INFO  L225             Difference]: With dead ends: 1040
[2020-09-25 10:50:54,217 INFO  L226             Difference]: Without dead ends: 665
[2020-09-25 10:50:54,220 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272
[2020-09-25 10:50:54,221 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 665 states.
[2020-09-25 10:50:54,306 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 501.
[2020-09-25 10:50:54,307 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 501 states.
[2020-09-25 10:50:54,311 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 577 transitions.
[2020-09-25 10:50:54,312 INFO  L78                 Accepts]: Start accepts. Automaton has 501 states and 577 transitions. Word has length 190
[2020-09-25 10:50:54,312 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 10:50:54,312 INFO  L479      AbstractCegarLoop]: Abstraction has 501 states and 577 transitions.
[2020-09-25 10:50:54,312 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-09-25 10:50:54,312 INFO  L276                IsEmpty]: Start isEmpty. Operand 501 states and 577 transitions.
[2020-09-25 10:50:54,314 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 191
[2020-09-25 10:50:54,314 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 10:50:54,315 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 10:50:54,315 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-25 10:50:54,315 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 10:50:54,315 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 10:50:54,316 INFO  L82        PathProgramCache]: Analyzing trace with hash -325395952, now seen corresponding path program 1 times
[2020-09-25 10:50:54,316 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 10:50:54,316 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1403405375]
[2020-09-25 10:50:54,316 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 10:50:54,363 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:54,416 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:55,601 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:55,602 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 229
[2020-09-25 10:50:55,602 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:55,602 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1234
[2020-09-25 10:50:55,602 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:55,603 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:55,603 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 10
[2020-09-25 10:50:55,603 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 81
[2020-09-25 10:50:55,603 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 90
[2020-09-25 10:50:55,603 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 10:50:55,918 WARN  L193               SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 10:50:55,919 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 10:50:55,950 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:55,989 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:56,188 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:56,188 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 10:50:56,188 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:56,188 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 236
[2020-09-25 10:50:56,189 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:56,189 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:56,189 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 10:50:56,189 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:56,189 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 77
[2020-09-25 10:50:56,190 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 10:50:56,228 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 10:50:56,229 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:56,230 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:56,233 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:56,233 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 10:50:56,233 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:56,233 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 10:50:56,234 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:56,234 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:56,234 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 10:50:56,234 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:56,234 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 10:50:56,235 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 10:50:56,236 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 10:50:56,236 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:56,237 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:56,239 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:56,239 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 10:50:56,239 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:56,240 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 10:50:56,240 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:56,240 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:56,240 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 10:50:56,240 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:56,241 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 10:50:56,241 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 10:50:56,242 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 10:50:56,243 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:56,244 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:56,250 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:56,250 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 10:50:56,251 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:56,251 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 10:50:56,251 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:56,251 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:56,251 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 10:50:56,252 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:56,252 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 10:50:56,252 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 10:50:56,254 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 10:50:56,254 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:56,255 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:56,258 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:56,258 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 10:50:56,258 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:56,258 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 10:50:56,259 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:56,259 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:56,259 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 10:50:56,259 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:56,260 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 10:50:56,260 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:56,270 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-09-25 10:50:56,271 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:56,273 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:56,279 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:56,279 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 10:50:56,279 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:56,279 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 10:50:56,279 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:56,280 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:56,280 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 10:50:56,280 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:56,280 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 10:50:56,280 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 10:50:56,291 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132
[2020-09-25 10:50:56,294 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:56,299 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:56,318 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:56,319 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 44
[2020-09-25 10:50:56,319 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:56,319 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 23
[2020-09-25 10:50:56,319 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:56,320 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:56,320 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 10:50:56,320 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 15
[2020-09-25 10:50:56,320 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 27
[2020-09-25 10:50:56,321 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:56,340 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 10:50:56,342 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:56,344 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:56,356 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:56,357 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 27
[2020-09-25 10:50:56,357 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:56,357 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 13
[2020-09-25 10:50:56,357 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:56,357 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:56,357 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 10:50:56,358 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:56,358 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 9
[2020-09-25 10:50:56,358 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 10:50:56,362 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2020-09-25 10:50:56,363 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:56,364 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:56,367 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:56,367 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 10:50:56,367 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:56,368 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 10:50:56,368 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:56,368 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:56,368 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 10:50:56,369 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:56,369 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 3
[2020-09-25 10:50:56,369 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:56,372 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-09-25 10:50:56,373 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:56,375 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:56,378 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:56,378 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 10:50:56,378 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:56,378 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 10:50:56,379 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:56,379 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:56,379 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 10:50:56,379 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:56,379 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 5
[2020-09-25 10:50:56,380 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:56,382 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168
[2020-09-25 10:50:56,383 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:56,384 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:56,386 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:56,386 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 10:50:56,386 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:56,386 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 10:50:56,386 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:56,387 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:56,387 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 10:50:56,387 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 10:50:56,387 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 10:50:56,387 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 10:50:56,388 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178
[2020-09-25 10:50:56,389 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:56,390 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:56,391 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:56,392 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 10:50:56,392 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:56,392 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 10:50:56,392 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:56,392 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:56,392 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 10:50:56,393 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 10:50:56,393 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 10:50:56,393 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 10:50:56,432 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 10:50:56,432 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1403405375]
[2020-09-25 10:50:56,432 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 10:50:56,433 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-09-25 10:50:56,433 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291525387]
[2020-09-25 10:50:56,434 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-09-25 10:50:56,434 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 10:50:56,434 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-09-25 10:50:56,434 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2020-09-25 10:50:56,434 INFO  L87              Difference]: Start difference. First operand 501 states and 577 transitions. Second operand 7 states.
[2020-09-25 10:50:56,952 WARN  L193               SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 10:50:57,909 WARN  L193               SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 10:51:01,087 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 10:51:01,088 INFO  L93              Difference]: Finished difference Result 1837 states and 2467 transitions.
[2020-09-25 10:51:01,089 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2020-09-25 10:51:01,090 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 190
[2020-09-25 10:51:01,090 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 10:51:01,098 INFO  L225             Difference]: With dead ends: 1837
[2020-09-25 10:51:01,099 INFO  L226             Difference]: Without dead ends: 1424
[2020-09-25 10:51:01,101 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240
[2020-09-25 10:51:01,103 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1424 states.
[2020-09-25 10:51:01,227 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1424 to 1041.
[2020-09-25 10:51:01,227 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1041 states.
[2020-09-25 10:51:01,233 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 1041 states and 1260 transitions.
[2020-09-25 10:51:01,233 INFO  L78                 Accepts]: Start accepts. Automaton has 1041 states and 1260 transitions. Word has length 190
[2020-09-25 10:51:01,234 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 10:51:01,234 INFO  L479      AbstractCegarLoop]: Abstraction has 1041 states and 1260 transitions.
[2020-09-25 10:51:01,234 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-09-25 10:51:01,234 INFO  L276                IsEmpty]: Start isEmpty. Operand 1041 states and 1260 transitions.
[2020-09-25 10:51:01,238 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 196
[2020-09-25 10:51:01,238 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 10:51:01,239 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 10:51:01,239 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-09-25 10:51:01,239 INFO  L427      AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 10:51:01,239 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 10:51:01,240 INFO  L82        PathProgramCache]: Analyzing trace with hash -527704718, now seen corresponding path program 1 times
[2020-09-25 10:51:01,240 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 10:51:01,240 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1937396872]
[2020-09-25 10:51:01,240 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 10:51:01,292 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-09-25 10:51:01,300 INFO  L174   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-09-25 10:51:01,300 INFO  L520         BasicCegarLoop]: Counterexample might be feasible
[2020-09-25 10:51:01,307 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-09-25 10:51:01,342 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 10:51:01 BoogieIcfgContainer
[2020-09-25 10:51:01,343 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-25 10:51:01,350 INFO  L168              Benchmark]: Toolchain (without parser) took 42026.37 ms. Allocated memory was 137.4 MB in the beginning and 711.5 MB in the end (delta: 574.1 MB). Free memory was 100.0 MB in the beginning and 556.1 MB in the end (delta: -456.0 MB). Peak memory consumption was 118.1 MB. Max. memory is 7.1 GB.
[2020-09-25 10:51:01,351 INFO  L168              Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 137.4 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-09-25 10:51:01,352 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 701.21 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 99.4 MB in the beginning and 170.1 MB in the end (delta: -70.7 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB.
[2020-09-25 10:51:01,352 INFO  L168              Benchmark]: Boogie Preprocessor took 110.79 ms. Allocated memory is still 201.3 MB. Free memory was 170.1 MB in the beginning and 165.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB.
[2020-09-25 10:51:01,354 INFO  L168              Benchmark]: RCFGBuilder took 1215.73 ms. Allocated memory was 201.3 MB in the beginning and 230.7 MB in the end (delta: 29.4 MB). Free memory was 165.8 MB in the beginning and 177.9 MB in the end (delta: -12.1 MB). Peak memory consumption was 88.3 MB. Max. memory is 7.1 GB.
[2020-09-25 10:51:01,362 INFO  L168              Benchmark]: TraceAbstraction took 39989.54 ms. Allocated memory was 230.7 MB in the beginning and 711.5 MB in the end (delta: 480.8 MB). Free memory was 177.9 MB in the beginning and 556.1 MB in the end (delta: -378.2 MB). Peak memory consumption was 102.6 MB. Max. memory is 7.1 GB.
[2020-09-25 10:51:01,369 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.24 ms. Allocated memory is still 137.4 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 701.21 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 99.4 MB in the beginning and 170.1 MB in the end (delta: -70.7 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 110.79 ms. Allocated memory is still 201.3 MB. Free memory was 170.1 MB in the beginning and 165.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1215.73 ms. Allocated memory was 201.3 MB in the beginning and 230.7 MB in the end (delta: 29.4 MB). Free memory was 165.8 MB in the beginning and 177.9 MB in the end (delta: -12.1 MB). Peak memory consumption was 88.3 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 39989.54 ms. Allocated memory was 230.7 MB in the beginning and 711.5 MB in the end (delta: 480.8 MB). Free memory was 177.9 MB in the beginning and 556.1 MB in the end (delta: -378.2 MB). Peak memory consumption was 102.6 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - CounterExampleResult [Line: 410]: a call of __VERIFIER_error() is reachable
    a call of __VERIFIER_error() is reachable
We found a FailurePath: 
[L209]              static struct __ACC__ERR *head  =    (struct __ACC__ERR *)0;
[L424]              int pumpRunning  =    0;
[L425]              int systemActive  =    1;
[L683]              int cleanupTimeShifts  =    4;
[L806]              int waterLevel  =    1;
[L807]              int methaneLevelCritical  =    0;
[L756]              int retValue_acc ;
[L757]              int tmp ;
[L761]  FCALL       select_helpers()
[L762]  FCALL       select_features()
[L763]  CALL, EXPR  valid_product()
[L674]              int retValue_acc ;
[L677]              retValue_acc = 1
[L678]              return (retValue_acc);
[L763]  RET, EXPR   valid_product()
[L763]              tmp = valid_product()
[L765]  COND TRUE   \read(tmp)
[L767]  FCALL       setup()
[L768]  CALL        runTest()
[L750]  CALL        test()
[L581]              int splverifierCounter ;
[L582]              int tmp ;
[L583]              int tmp___0 ;
[L584]              int tmp___1 ;
[L585]              int tmp___2 ;
[L588]              splverifierCounter = 0
[L590]  COND TRUE   1
[L592]  COND TRUE   splverifierCounter < 4
[L598]              tmp = __VERIFIER_nondet_int()
[L600]  COND TRUE   \read(tmp)
[L602]  CALL        waterRise()
[L824]  COND TRUE   waterLevel < 2
[L825]              waterLevel = waterLevel + 1
[L602]  RET         waterRise()
[L608]              tmp___0 = __VERIFIER_nondet_int()
[L610]  COND TRUE   \read(tmp___0)
[L612]  CALL        changeMethaneLevel()
[L836]  COND FALSE  !(\read(methaneLevelCritical))
[L839]              methaneLevelCritical = 1
[L612]  RET         changeMethaneLevel()
[L618]              tmp___2 = __VERIFIER_nondet_int()
[L620]  COND TRUE   \read(tmp___2)
[L633]  CALL        timeShift()
[L432]  COND FALSE  !(\read(pumpRunning))
[L439]  COND TRUE   \read(systemActive)
[L441]  CALL        processEnvironment()
[L461]              int tmp ;
[L464]  COND TRUE   ! pumpRunning
[L466]  CALL, EXPR  isHighWaterLevel()
[L558]              int retValue_acc ;
[L559]              int tmp ;
[L560]              int tmp___0 ;
[L564]  CALL, EXPR  isHighWaterSensorDry()
[L886]              int retValue_acc ;
[L889]  COND FALSE  !(waterLevel < 2)
[L893]              retValue_acc = 0
[L894]              return (retValue_acc);
[L564]  RET, EXPR   isHighWaterSensorDry()
[L564]              tmp = isHighWaterSensorDry()
[L566]  COND FALSE  !(\read(tmp))
[L569]              tmp___0 = 1
[L571]              retValue_acc = tmp___0
[L572]              return (retValue_acc);
[L466]  RET, EXPR   isHighWaterLevel()
[L466]              tmp = isHighWaterLevel()
[L468]  COND TRUE   \read(tmp)
[L470]  CALL        activatePump()
[L489]              pumpRunning = 1
[L470]  RET         activatePump()
[L441]  RET         processEnvironment()
[L447]  CALL        __utac_acc__Specification1_spec__1()
[L780]              int tmp ;
[L781]              int tmp___0 ;
[L785]  CALL, EXPR  isMethaneLevelCritical()
[L845]              int retValue_acc ;
[L848]              retValue_acc = methaneLevelCritical
[L849]              return (retValue_acc);
[L785]  RET, EXPR   isMethaneLevelCritical()
[L785]              tmp = isMethaneLevelCritical()
[L787]  COND TRUE   \read(tmp)
[L789]  CALL, EXPR  isPumpRunning()
[L513]              int retValue_acc ;
[L516]              retValue_acc = pumpRunning
[L517]              return (retValue_acc);
[L789]  RET, EXPR   isPumpRunning()
[L789]              tmp___0 = isPumpRunning()
[L791]  COND TRUE   \read(tmp___0)
[L793]  CALL        __automaton_fail()
[L410]              __VERIFIER_error()

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 37 procedures, 606 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 39.8s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 22.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1172 SDtfs, 2279 SDslu, 2477 SDs, 0 SdLazy, 5039 SolverSat, 764 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 200 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 10.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1041occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 5 MinimizatonAttempts, 859 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 15.8s InterpolantComputationTime, 1064 NumberOfCodeBlocks, 1064 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 864 ConstructedInterpolants, 0 QuantifiedInterpolants, 374364 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...