/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product45.cil.c


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


This is Ultimate 0.1.25-c90d42b
[2020-09-25 11:58:21,574 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-09-25 11:58:21,578 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 11:58:21,605 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 11:58:21,606 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 11:58:21,607 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 11:58:21,608 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 11:58:21,610 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 11:58:21,613 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 11:58:21,614 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 11:58:21,615 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 11:58:21,616 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 11:58:21,617 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 11:58:21,618 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 11:58:21,619 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 11:58:21,620 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 11:58:21,622 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 11:58:21,623 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 11:58:21,625 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 11:58:21,627 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 11:58:21,632 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 11:58:21,634 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 11:58:21,637 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 11:58:21,638 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 11:58:21,644 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 11:58:21,644 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 11:58:21,644 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 11:58:21,645 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 11:58:21,646 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 11:58:21,647 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 11:58:21,647 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 11:58:21,648 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 11:58:21,649 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 11:58:21,650 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 11:58:21,652 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 11:58:21,652 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 11:58:21,653 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 11:58:21,653 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 11:58:21,653 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 11:58:21,654 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 11:58:21,655 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 11:58:21,656 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 11:58:21,683 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-09-25 11:58:21,684 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 11:58:21,685 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 11:58:21,685 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-09-25 11:58:21,685 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-09-25 11:58:21,686 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 11:58:21,686 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-09-25 11:58:21,686 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-09-25 11:58:21,686 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-09-25 11:58:21,687 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-09-25 11:58:21,687 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 11:58:21,687 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 11:58:21,687 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 11:58:21,687 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-09-25 11:58:21,688 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-09-25 11:58:21,688 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-09-25 11:58:21,688 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-09-25 11:58:21,688 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 11:58:21,688 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-09-25 11:58:21,689 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-09-25 11:58:21,689 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-09-25 11:58:21,689 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 11:58:21,689 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 11:58:21,690 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 11:58:21,690 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 11:58:21,690 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-09-25 11:58:21,690 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 11:58:21,690 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 11:58:21,691 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-09-25 11:58:21,691 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;
[2020-09-25 11:58:22,176 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 11:58:22,194 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 11:58:22,198 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 11:58:22,200 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-09-25 11:58:22,202 INFO  L275        PluginConnector]: CDTParser initialized
[2020-09-25 11:58:22,203 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product45.cil.c
[2020-09-25 11:58:22,292 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8e495733b/ca86388a30354a6e85be61b8c60b0d54/FLAGfd681dacd
[2020-09-25 11:58:22,912 INFO  L306              CDTParser]: Found 1 translation units.
[2020-09-25 11:58:22,913 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product45.cil.c
[2020-09-25 11:58:22,929 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8e495733b/ca86388a30354a6e85be61b8c60b0d54/FLAGfd681dacd
[2020-09-25 11:58:23,167 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8e495733b/ca86388a30354a6e85be61b8c60b0d54
[2020-09-25 11:58:23,179 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 11:58:23,185 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 11:58:23,186 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 11:58:23,186 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 11:58:23,191 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 11:58:23,192 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:58:23" (1/1) ...
[2020-09-25 11:58:23,196 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7845d484 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:58:23, skipping insertion in model container
[2020-09-25 11:58:23,197 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:58:23" (1/1) ...
[2020-09-25 11:58:23,206 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-09-25 11:58:23,284 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-09-25 11:58:23,831 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 11:58:23,847 INFO  L203         MainTranslator]: Completed pre-run
[2020-09-25 11:58:23,944 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 11:58:23,983 INFO  L208         MainTranslator]: Completed translation
[2020-09-25 11:58:23,984 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:58:23 WrapperNode
[2020-09-25 11:58:23,984 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 11:58:23,985 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 11:58:23,985 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 11:58:23,985 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 11:58:24,001 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:58:23" (1/1) ...
[2020-09-25 11:58:24,002 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:58:23" (1/1) ...
[2020-09-25 11:58:24,024 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:58:23" (1/1) ...
[2020-09-25 11:58:24,025 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:58:23" (1/1) ...
[2020-09-25 11:58:24,059 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:58:23" (1/1) ...
[2020-09-25 11:58:24,071 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:58:23" (1/1) ...
[2020-09-25 11:58:24,077 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:58:23" (1/1) ...
[2020-09-25 11:58:24,086 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 11:58:24,087 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 11:58:24,087 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 11:58:24,087 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-09-25 11:58:24,088 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:58:23" (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 11:58:24,160 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 11:58:24,161 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 11:58:24,161 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-09-25 11:58:24,161 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-09-25 11:58:24,161 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-09-25 11:58:24,161 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-09-25 11:58:24,162 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-09-25 11:58:24,162 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-09-25 11:58:24,162 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-09-25 11:58:24,162 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2020-09-25 11:58:24,162 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-09-25 11:58:24,163 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1
[2020-09-25 11:58:24,163 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-09-25 11:58:24,163 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-09-25 11:58:24,163 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-09-25 11:58:24,163 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-09-25 11:58:24,164 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 11:58:24,164 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-09-25 11:58:24,164 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-09-25 11:58:24,164 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-09-25 11:58:24,165 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-09-25 11:58:24,165 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-09-25 11:58:24,165 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-09-25 11:58:24,165 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-09-25 11:58:24,165 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-09-25 11:58:24,166 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-09-25 11:58:24,166 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-09-25 11:58:24,166 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-09-25 11:58:24,166 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-09-25 11:58:24,166 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-09-25 11:58:24,166 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery
[2020-09-25 11:58:24,167 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-09-25 11:58:24,167 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor
[2020-09-25 11:58:24,167 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-09-25 11:58:24,167 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-09-25 11:58:24,167 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-09-25 11:58:24,168 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-09-25 11:58:24,168 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-09-25 11:58:24,168 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2020-09-25 11:58:24,168 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 11:58:24,168 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 11:58:24,168 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-09-25 11:58:24,169 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-09-25 11:58:24,169 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-09-25 11:58:24,169 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-09-25 11:58:24,169 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-09-25 11:58:24,169 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-09-25 11:58:24,169 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-09-25 11:58:24,170 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2020-09-25 11:58:24,170 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 11:58:24,170 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-09-25 11:58:24,170 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-09-25 11:58:24,170 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1
[2020-09-25 11:58:24,170 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-09-25 11:58:24,171 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-09-25 11:58:24,171 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-09-25 11:58:24,171 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-09-25 11:58:24,171 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-09-25 11:58:24,171 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-09-25 11:58:24,171 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-09-25 11:58:24,172 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-09-25 11:58:24,172 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-09-25 11:58:24,172 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-09-25 11:58:24,172 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-09-25 11:58:24,172 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-09-25 11:58:24,172 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-09-25 11:58:24,173 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-09-25 11:58:24,173 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-09-25 11:58:24,173 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-09-25 11:58:24,173 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-25 11:58:24,173 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-25 11:58:24,173 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 11:58:24,174 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-25 11:58:24,174 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-09-25 11:58:24,174 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 11:58:24,174 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-09-25 11:58:24,174 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-09-25 11:58:24,174 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 11:58:24,175 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-09-25 11:58:24,175 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-09-25 11:58:24,175 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-09-25 11:58:24,175 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-09-25 11:58:24,175 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-09-25 11:58:24,175 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-09-25 11:58:24,176 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-09-25 11:58:24,176 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2020-09-25 11:58:24,176 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery
[2020-09-25 11:58:24,176 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-09-25 11:58:24,176 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor
[2020-09-25 11:58:24,176 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 11:58:24,177 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-25 11:58:24,177 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 11:58:25,395 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 11:58:25,396 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-09-25 11:58:25,409 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:58:25 BoogieIcfgContainer
[2020-09-25 11:58:25,409 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 11:58:25,410 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 11:58:25,410 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 11:58:25,416 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-09-25 11:58:25,416 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 11:58:23" (1/3) ...
[2020-09-25 11:58:25,417 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8a0f948 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:58:25, skipping insertion in model container
[2020-09-25 11:58:25,418 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:58:23" (2/3) ...
[2020-09-25 11:58:25,418 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8a0f948 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:58:25, skipping insertion in model container
[2020-09-25 11:58:25,419 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:58:25" (3/3) ...
[2020-09-25 11:58:25,421 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec1_product45.cil.c
[2020-09-25 11:58:25,433 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 11:58:25,446 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 11:58:25,468 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 11:58:25,499 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-09-25 11:58:25,499 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-09-25 11:58:25,499 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 11:58:25,499 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 11:58:25,499 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 11:58:25,499 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-09-25 11:58:25,499 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 11:58:25,500 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 11:58:25,527 INFO  L276                IsEmpty]: Start isEmpty. Operand 310 states.
[2020-09-25 11:58:25,545 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 143
[2020-09-25 11:58:25,545 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 11:58:25,547 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 11:58:25,548 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 11:58:25,554 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 11:58:25,555 INFO  L82        PathProgramCache]: Analyzing trace with hash 2110022022, now seen corresponding path program 1 times
[2020-09-25 11:58:25,566 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 11:58:25,567 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [293224766]
[2020-09-25 11:58:25,567 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 11:58:25,939 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:58:26,071 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:26,282 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:26,818 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:27,899 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:28,088 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:31,000 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:58:31,000 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 173
[2020-09-25 11:58:31,001 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 5
[2020-09-25 11:58:31,001 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5045
[2020-09-25 11:58:31,005 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:58:31,006 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:58:31,006 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 12
[2020-09-25 11:58:31,007 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 78
[2020-09-25 11:58:31,008 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 79
[2020-09-25 11:58:31,008 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 6
[2020-09-25 11:58:31,685 WARN  L193               SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 11:58:31,692 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 11:58:31,767 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:58:31,818 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:32,067 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:58:32,068 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 11:58:32,068 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:58:32,068 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 298
[2020-09-25 11:58:32,068 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:58:32,069 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:58:32,069 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:58:32,070 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:58:32,070 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 74
[2020-09-25 11:58:32,070 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:58:32,157 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 11:58:32,158 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:58:32,160 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:32,163 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:58:32,164 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:58:32,164 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:58:32,164 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 11:58:32,164 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:58:32,165 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:58:32,165 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:58:32,165 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:58:32,165 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 11:58:32,165 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:58:32,167 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 11:58:32,169 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:58:32,170 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:32,173 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:58:32,174 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:58:32,174 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:58:32,174 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 11:58:32,174 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:58:32,175 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:58:32,175 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:58:32,175 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:58:32,175 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 11:58:32,176 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:58:32,177 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 11:58:32,179 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:58:32,181 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:32,190 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:58:32,190 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 11:58:32,190 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:58:32,190 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 10
[2020-09-25 11:58:32,191 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:58:32,191 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:58:32,191 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:58:32,192 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:58:32,192 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 11:58:32,192 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:58:32,194 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 11:58:32,196 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:58:32,197 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:32,200 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:58:32,200 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:58:32,201 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:58:32,201 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 11:58:32,201 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:58:32,201 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:58:32,202 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:58:32,202 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:58:32,202 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 11:58:32,202 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:58:32,204 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-09-25 11:58:32,205 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:58:32,207 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:32,215 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:58:32,216 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 11:58:32,216 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:58:32,216 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 9
[2020-09-25 11:58:32,216 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:58:32,216 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:58:32,217 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 11:58:32,217 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:58:32,217 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 11:58:32,217 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:58:32,264 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130
[2020-09-25 11:58:32,265 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:58:32,267 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:32,268 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:58:32,269 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 11:58:32,269 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:58:32,269 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 11:58:32,269 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:58:32,270 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:58:32,270 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 11:58:32,270 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 11:58:32,270 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 11:58:32,271 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:58:32,300 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 11:58:32,301 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [293224766]
[2020-09-25 11:58:32,304 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 11:58:32,304 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-25 11:58:32,305 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718516454]
[2020-09-25 11:58:32,312 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-25 11:58:32,313 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 11:58:32,330 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-25 11:58:32,331 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2020-09-25 11:58:32,334 INFO  L87              Difference]: Start difference. First operand 310 states. Second operand 8 states.
[2020-09-25 11:58:32,939 WARN  L193               SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 11:58:33,904 WARN  L193               SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 11:58:34,443 WARN  L193               SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190
[2020-09-25 11:58:34,786 WARN  L193               SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 11:58:35,166 WARN  L193               SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 11:58:35,484 WARN  L193               SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 11:58:36,107 WARN  L193               SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 11:58:36,444 WARN  L193               SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-09-25 11:58:37,087 WARN  L193               SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 11:58:38,746 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 11:58:38,747 INFO  L93              Difference]: Finished difference Result 658 states and 804 transitions.
[2020-09-25 11:58:38,747 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2020-09-25 11:58:38,749 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 142
[2020-09-25 11:58:38,750 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 11:58:38,775 INFO  L225             Difference]: With dead ends: 658
[2020-09-25 11:58:38,775 INFO  L226             Difference]: Without dead ends: 442
[2020-09-25 11:58:38,783 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272
[2020-09-25 11:58:38,823 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 442 states.
[2020-09-25 11:58:38,982 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 383.
[2020-09-25 11:58:38,984 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 383 states.
[2020-09-25 11:58:38,991 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 427 transitions.
[2020-09-25 11:58:38,993 INFO  L78                 Accepts]: Start accepts. Automaton has 383 states and 427 transitions. Word has length 142
[2020-09-25 11:58:38,994 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 11:58:38,994 INFO  L479      AbstractCegarLoop]: Abstraction has 383 states and 427 transitions.
[2020-09-25 11:58:38,995 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-25 11:58:38,995 INFO  L276                IsEmpty]: Start isEmpty. Operand 383 states and 427 transitions.
[2020-09-25 11:58:39,007 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 158
[2020-09-25 11:58:39,014 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 11:58:39,014 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 11:58:39,016 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 11:58:39,016 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 11:58:39,017 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 11:58:39,017 INFO  L82        PathProgramCache]: Analyzing trace with hash 1328910528, now seen corresponding path program 1 times
[2020-09-25 11:58:39,017 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 11:58:39,017 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [236070071]
[2020-09-25 11:58:39,017 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 11:58:39,074 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:58:39,130 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:39,339 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:39,567 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:43,113 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:58:43,113 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 188
[2020-09-25 11:58:43,113 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 11:58:43,113 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4034
[2020-09-25 11:58:43,114 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:58:43,114 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:58:43,114 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:58:43,114 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 82
[2020-09-25 11:58:43,115 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 73
[2020-09-25 11:58:43,115 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:58:43,373 WARN  L193               SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 11:58:43,374 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 11:58:43,406 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:58:43,442 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:43,638 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:58:43,638 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 11:58:43,638 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:58:43,638 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 230
[2020-09-25 11:58:43,639 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:58:43,639 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:58:43,639 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:58:43,639 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:58:43,639 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 78
[2020-09-25 11:58:43,640 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:58:43,678 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 11:58:43,679 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:58:43,681 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:43,683 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:58:43,683 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:58:43,684 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:58:43,684 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 11:58:43,684 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:58:43,684 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:58:43,685 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:58:43,685 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:58:43,685 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 11:58:43,685 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:58:43,687 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 11:58:43,687 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:58:43,689 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:43,691 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:58:43,691 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:58:43,692 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:58:43,692 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 11:58:43,692 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:58:43,692 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:58:43,692 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:58:43,693 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:58:43,693 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 11:58:43,693 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:58:43,694 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 11:58:43,695 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:58:43,697 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:43,704 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:58:43,704 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 11:58:43,705 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:58:43,705 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 11:58:43,705 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:58:43,705 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:58:43,706 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:58:43,706 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:58:43,706 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 11:58:43,706 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 11:58:43,708 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 11:58:43,709 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:58:43,710 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:43,712 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:58:43,713 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:58:43,713 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:58:43,713 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 11:58:43,713 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:58:43,714 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:58:43,714 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:58:43,714 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:58:43,714 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 11:58:43,714 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:58:43,723 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-09-25 11:58:43,724 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:58:43,725 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:43,732 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:58:43,732 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 11:58:43,732 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:58:43,732 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 11:58:43,733 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:58:43,733 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:58:43,733 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:58:43,733 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:58:43,734 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 11:58:43,734 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:58:43,736 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135
[2020-09-25 11:58:43,736 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:58:43,738 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:43,740 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:58:43,740 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 11:58:43,741 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:58:43,741 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 11:58:43,741 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:58:43,742 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:58:43,742 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 11:58:43,742 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 11:58:43,743 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 11:58:43,743 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:58:43,744 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145
[2020-09-25 11:58:43,745 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:58:43,746 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:43,748 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:58:43,749 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 11:58:43,749 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:58:43,749 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 11:58:43,750 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:58:43,750 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:58:43,750 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 11:58:43,750 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 11:58:43,751 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 11:58:43,751 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:58:43,816 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 11:58:43,817 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [236070071]
[2020-09-25 11:58:43,818 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 11:58:43,818 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-25 11:58:43,818 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983846210]
[2020-09-25 11:58:43,821 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-25 11:58:43,822 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 11:58:43,823 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-25 11:58:43,823 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-09-25 11:58:43,823 INFO  L87              Difference]: Start difference. First operand 383 states and 427 transitions. Second operand 5 states.
[2020-09-25 11:58:44,386 WARN  L193               SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 11:58:45,560 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 11:58:45,560 INFO  L93              Difference]: Finished difference Result 734 states and 861 transitions.
[2020-09-25 11:58:45,560 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-09-25 11:58:45,561 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 157
[2020-09-25 11:58:45,565 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 11:58:45,576 INFO  L225             Difference]: With dead ends: 734
[2020-09-25 11:58:45,576 INFO  L226             Difference]: Without dead ends: 461
[2020-09-25 11:58:45,581 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2020-09-25 11:58:45,585 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 461 states.
[2020-09-25 11:58:45,671 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 383.
[2020-09-25 11:58:45,671 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 383 states.
[2020-09-25 11:58:45,674 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 425 transitions.
[2020-09-25 11:58:45,674 INFO  L78                 Accepts]: Start accepts. Automaton has 383 states and 425 transitions. Word has length 157
[2020-09-25 11:58:45,675 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 11:58:45,675 INFO  L479      AbstractCegarLoop]: Abstraction has 383 states and 425 transitions.
[2020-09-25 11:58:45,675 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-25 11:58:45,675 INFO  L276                IsEmpty]: Start isEmpty. Operand 383 states and 425 transitions.
[2020-09-25 11:58:45,678 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 171
[2020-09-25 11:58:45,678 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 11:58:45,678 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]
[2020-09-25 11:58:45,679 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 11:58:45,679 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 11:58:45,679 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 11:58:45,679 INFO  L82        PathProgramCache]: Analyzing trace with hash 566137232, now seen corresponding path program 1 times
[2020-09-25 11:58:45,680 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 11:58:45,680 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1292469052]
[2020-09-25 11:58:45,680 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 11:58:45,732 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:58:45,795 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:46,004 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:46,417 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:47,412 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:47,555 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:47,653 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:50,779 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:58:50,779 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 207
[2020-09-25 11:58:50,779 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 6
[2020-09-25 11:58:50,780 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5044
[2020-09-25 11:58:50,780 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:58:50,780 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:58:50,781 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 18
[2020-09-25 11:58:50,781 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 81
[2020-09-25 11:58:50,781 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 122
[2020-09-25 11:58:50,782 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:58:51,190 WARN  L193               SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 11:58:51,191 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 11:58:51,269 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:58:51,309 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:51,518 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:58:51,518 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 11:58:51,518 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:58:51,519 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 248
[2020-09-25 11:58:51,519 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:58:51,519 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:58:51,519 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:58:51,519 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:58:51,520 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 77
[2020-09-25 11:58:51,520 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:58:51,574 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 11:58:51,575 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:58:51,577 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:51,579 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:58:51,580 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:58:51,580 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:58:51,580 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 11:58:51,580 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:58:51,580 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:58:51,581 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:58:51,581 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:58:51,581 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 11:58:51,581 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 11:58:51,582 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 11:58:51,583 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:58:51,584 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:51,587 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:58:51,587 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:58:51,587 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:58:51,588 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 11:58:51,588 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:58:51,588 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:58:51,588 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:58:51,588 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:58:51,589 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 11:58:51,589 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 11:58:51,590 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 11:58:51,591 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:58:51,593 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:51,598 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:58:51,598 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 11:58:51,599 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:58:51,599 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 11:58:51,599 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:58:51,599 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:58:51,599 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:58:51,600 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:58:51,600 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 11:58:51,600 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:58:51,602 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 11:58:51,603 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:58:51,604 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:51,607 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:58:51,608 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:58:51,608 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:58:51,608 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 11:58:51,609 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:58:51,609 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:58:51,609 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:58:51,609 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:58:51,609 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 11:58:51,610 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:58:51,619 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-09-25 11:58:51,620 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:58:51,622 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:51,631 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:58:51,631 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 11:58:51,631 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:58:51,632 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 9
[2020-09-25 11:58:51,632 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:58:51,632 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:58:51,632 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:58:51,632 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:58:51,633 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 11:58:51,633 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:58:51,645 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132
[2020-09-25 11:58:51,651 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:58:51,654 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:51,665 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:51,679 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:51,687 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:51,693 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:58:51,694 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 22
[2020-09-25 11:58:51,694 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 4
[2020-09-25 11:58:51,695 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 41
[2020-09-25 11:58:51,695 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:58:51,695 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:58:51,695 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 11:58:51,696 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 1
[2020-09-25 11:58:51,696 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 21
[2020-09-25 11:58:51,696 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:58:51,712 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 11:58:51,713 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:58:51,717 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:51,724 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:58:51,724 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 15
[2020-09-25 11:58:51,724 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:58:51,725 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 10
[2020-09-25 11:58:51,725 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:58:51,725 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:58:51,725 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 11:58:51,725 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 1
[2020-09-25 11:58:51,726 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 14
[2020-09-25 11:58:51,726 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 11:58:51,728 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 11:58:51,729 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:58:51,730 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:51,732 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:58:51,733 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:58:51,733 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:58:51,733 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 11:58:51,733 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:58:51,734 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:58:51,734 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:58:51,734 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:58:51,734 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 11:58:51,734 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:58:51,736 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148
[2020-09-25 11:58:51,737 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:58:51,739 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:51,742 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:58:51,743 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 11:58:51,743 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:58:51,743 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 11:58:51,743 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:58:51,744 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:58:51,744 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:58:51,744 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:58:51,744 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 11:58:51,744 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 11:58:51,747 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158
[2020-09-25 11:58:51,749 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:58:51,751 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:51,759 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:58:51,759 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 11:58:51,759 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:58:51,760 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 9
[2020-09-25 11:58:51,760 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:58:51,760 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:58:51,760 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 11:58:51,761 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:58:51,761 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 11:58:51,761 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:58:51,830 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 11:58:51,830 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1292469052]
[2020-09-25 11:58:51,831 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 11:58:51,831 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2020-09-25 11:58:51,831 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106400183]
[2020-09-25 11:58:51,833 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 11 states
[2020-09-25 11:58:51,833 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 11:58:51,833 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2020-09-25 11:58:51,834 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110
[2020-09-25 11:58:51,834 INFO  L87              Difference]: Start difference. First operand 383 states and 425 transitions. Second operand 11 states.
[2020-09-25 11:58:52,429 WARN  L193               SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 11:58:54,209 WARN  L193               SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 11:58:54,521 WARN  L193               SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 11:58:54,892 WARN  L193               SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 11:58:55,204 WARN  L193               SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 11:58:56,446 WARN  L193               SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 11:58:56,801 WARN  L193               SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-09-25 11:58:57,152 WARN  L193               SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 11:58:57,518 WARN  L193               SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 195
[2020-09-25 11:58:57,867 WARN  L193               SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 192
[2020-09-25 11:58:58,425 WARN  L193               SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 11:58:58,796 WARN  L193               SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-09-25 11:58:59,231 WARN  L193               SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 192
[2020-09-25 11:58:59,912 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 11:58:59,912 INFO  L93              Difference]: Finished difference Result 1063 states and 1295 transitions.
[2020-09-25 11:58:59,915 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. 
[2020-09-25 11:58:59,916 INFO  L78                 Accepts]: Start accepts. Automaton has 11 states. Word has length 170
[2020-09-25 11:58:59,917 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 11:58:59,925 INFO  L225             Difference]: With dead ends: 1063
[2020-09-25 11:58:59,925 INFO  L226             Difference]: Without dead ends: 790
[2020-09-25 11:58:59,928 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=211, Invalid=719, Unknown=0, NotChecked=0, Total=930
[2020-09-25 11:58:59,930 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 790 states.
[2020-09-25 11:59:00,023 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 610.
[2020-09-25 11:59:00,023 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 610 states.
[2020-09-25 11:59:00,026 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 678 transitions.
[2020-09-25 11:59:00,027 INFO  L78                 Accepts]: Start accepts. Automaton has 610 states and 678 transitions. Word has length 170
[2020-09-25 11:59:00,028 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 11:59:00,028 INFO  L479      AbstractCegarLoop]: Abstraction has 610 states and 678 transitions.
[2020-09-25 11:59:00,028 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 11 states.
[2020-09-25 11:59:00,028 INFO  L276                IsEmpty]: Start isEmpty. Operand 610 states and 678 transitions.
[2020-09-25 11:59:00,031 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 218
[2020-09-25 11:59:00,032 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 11:59:00,032 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:59:00,032 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 11:59:00,033 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 11:59:00,033 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 11:59:00,033 INFO  L82        PathProgramCache]: Analyzing trace with hash 473256955, now seen corresponding path program 1 times
[2020-09-25 11:59:00,033 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 11:59:00,034 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1845795881]
[2020-09-25 11:59:00,034 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 11:59:00,082 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:59:00,140 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:59:00,237 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:59:03,958 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:59:05,115 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:59:05,115 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 264
[2020-09-25 11:59:05,116 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 11:59:05,116 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5029
[2020-09-25 11:59:05,116 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:59:05,116 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:59:05,116 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 9
[2020-09-25 11:59:05,116 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 143
[2020-09-25 11:59:05,116 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 76
[2020-09-25 11:59:05,116 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 11:59:05,449 WARN  L193               SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 11:59:05,450 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 11:59:05,460 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:59:05,470 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:59:05,577 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:59:05,577 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 11:59:05,578 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:59:05,578 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 115
[2020-09-25 11:59:05,579 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:59:05,579 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:59:05,580 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 11:59:05,580 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:59:05,580 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 11:59:05,580 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 11:59:05,626 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 11:59:05,627 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:59:05,628 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:59:05,630 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:59:05,631 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:59:05,631 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:59:05,631 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 11:59:05,632 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:59:05,632 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:59:05,632 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 11:59:05,633 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:59:05,633 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 11:59:05,633 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:59:05,635 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 11:59:05,635 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:59:05,637 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:59:05,639 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:59:05,639 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:59:05,639 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:59:05,640 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 11:59:05,640 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:59:05,640 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:59:05,641 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 11:59:05,641 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:59:05,641 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 11:59:05,642 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:59:05,643 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 11:59:05,644 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:59:05,645 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:59:05,649 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:59:05,649 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 11:59:05,650 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:59:05,650 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 11:59:05,650 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:59:05,651 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:59:05,651 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 11:59:05,651 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:59:05,652 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 11:59:05,652 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:59:05,654 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 11:59:05,655 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:59:05,656 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:59:05,658 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:59:05,658 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:59:05,659 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:59:05,659 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 11:59:05,659 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:59:05,660 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:59:05,660 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 11:59:05,660 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:59:05,661 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 11:59:05,661 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:59:05,674 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-09-25 11:59:05,675 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:59:05,677 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:59:05,680 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:59:05,680 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 11:59:05,681 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:59:05,681 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 11:59:05,681 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:59:05,682 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:59:05,682 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:59:05,682 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:59:05,683 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 3
[2020-09-25 11:59:05,683 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:59:05,698 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132
[2020-09-25 11:59:05,708 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:59:05,716 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:59:05,792 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:59:06,201 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:59:06,201 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 79
[2020-09-25 11:59:06,202 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 11:59:06,202 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 490
[2020-09-25 11:59:06,203 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:59:06,203 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:59:06,203 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 9
[2020-09-25 11:59:06,204 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 50
[2020-09-25 11:59:06,204 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 27
[2020-09-25 11:59:06,204 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:59:06,232 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 11:59:06,239 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:59:06,260 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:59:06,280 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:59:06,953 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:59:06,953 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 72
[2020-09-25 11:59:06,953 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 11:59:06,954 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 712
[2020-09-25 11:59:06,954 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:59:06,955 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:59:06,955 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 9
[2020-09-25 11:59:06,955 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:59:06,956 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 57
[2020-09-25 11:59:06,956 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:59:06,986 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 11:59:06,987 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:59:06,989 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:59:06,993 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:59:07,030 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:59:07,031 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 27
[2020-09-25 11:59:07,031 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 11:59:07,031 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 42
[2020-09-25 11:59:07,031 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:59:07,032 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:59:07,032 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 11:59:07,032 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 11
[2020-09-25 11:59:07,032 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 8
[2020-09-25 11:59:07,033 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:59:07,055 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2020-09-25 11:59:07,056 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:59:07,058 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:59:07,063 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:59:07,063 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 11:59:07,064 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:59:07,064 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 11:59:07,064 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:59:07,064 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:59:07,065 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 11:59:07,065 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:59:07,065 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 11:59:07,065 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:59:07,091 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-09-25 11:59:07,095 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:59:07,099 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:59:07,164 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:59:07,164 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 37
[2020-09-25 11:59:07,165 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:59:07,165 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 68
[2020-09-25 11:59:07,165 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:59:07,165 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:59:07,165 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 9
[2020-09-25 11:59:07,166 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:59:07,166 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 24
[2020-09-25 11:59:07,166 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:59:07,206 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-09-25 11:59:07,208 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:59:07,212 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:59:07,230 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:59:07,231 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 21
[2020-09-25 11:59:07,231 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:59:07,231 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 21
[2020-09-25 11:59:07,231 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:59:07,232 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:59:07,232 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 7
[2020-09-25 11:59:07,232 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:59:07,232 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 16
[2020-09-25 11:59:07,233 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:59:07,282 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-09-25 11:59:07,283 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:59:07,285 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:59:07,296 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:59:07,296 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 11:59:07,296 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:59:07,300 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 12
[2020-09-25 11:59:07,300 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:59:07,300 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:59:07,301 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 11:59:07,301 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:59:07,301 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 11:59:07,301 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:59:07,340 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2020-09-25 11:59:07,341 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:59:07,343 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:59:07,347 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:59:07,347 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 11:59:07,348 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:59:07,348 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 11:59:07,348 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:59:07,348 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:59:07,349 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:59:07,349 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:59:07,350 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 5
[2020-09-25 11:59:07,350 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:59:07,362 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195
[2020-09-25 11:59:07,363 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:59:07,365 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:59:07,367 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:59:07,367 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 11:59:07,367 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:59:07,368 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 11:59:07,368 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:59:07,368 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:59:07,369 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 11:59:07,369 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 11:59:07,369 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 11:59:07,370 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:59:07,371 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205
[2020-09-25 11:59:07,372 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:59:07,375 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:59:07,377 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:59:07,377 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 11:59:07,377 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:59:07,378 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 11:59:07,378 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:59:07,378 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:59:07,378 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 11:59:07,378 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 11:59:07,379 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 11:59:07,379 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:59:07,437 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2020-09-25 11:59:07,438 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1845795881]
[2020-09-25 11:59:07,438 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-09-25 11:59:07,438 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19
[2020-09-25 11:59:07,439 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985322015]
[2020-09-25 11:59:07,439 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 19 states
[2020-09-25 11:59:07,440 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 11:59:07,440 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2020-09-25 11:59:07,440 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342
[2020-09-25 11:59:07,440 INFO  L87              Difference]: Start difference. First operand 610 states and 678 transitions. Second operand 19 states.
[2020-09-25 11:59:07,934 WARN  L193               SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 11:59:09,127 WARN  L193               SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 11:59:09,722 WARN  L193               SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 11:59:10,066 WARN  L193               SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-09-25 11:59:10,437 WARN  L193               SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 11:59:10,806 WARN  L193               SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 11:59:11,162 WARN  L193               SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-09-25 11:59:11,491 WARN  L193               SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 11:59:11,814 WARN  L193               SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 189