/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=0.1 --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_product39.cil.c


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


This is Ultimate 0.1.25-c90d42b
[2020-09-25 09:43:33,738 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-09-25 09:43:33,742 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 09:43:33,770 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 09:43:33,771 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 09:43:33,773 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 09:43:33,781 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 09:43:33,783 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 09:43:33,786 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 09:43:33,788 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 09:43:33,789 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 09:43:33,790 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 09:43:33,791 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 09:43:33,795 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 09:43:33,799 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 09:43:33,801 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 09:43:33,803 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 09:43:33,806 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 09:43:33,808 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 09:43:33,814 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 09:43:33,818 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 09:43:33,819 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 09:43:33,820 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 09:43:33,821 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 09:43:33,834 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 09:43:33,835 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 09:43:33,835 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 09:43:33,837 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 09:43:33,837 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 09:43:33,840 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 09:43:33,840 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 09:43:33,842 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 09:43:33,843 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 09:43:33,843 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 09:43:33,844 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 09:43:33,845 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 09:43:33,846 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 09:43:33,846 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 09:43:33,846 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 09:43:33,847 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 09:43:33,848 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 09:43:33,849 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 09:43:33,900 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-09-25 09:43:33,901 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 09:43:33,903 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 09:43:33,904 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-09-25 09:43:33,904 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-09-25 09:43:33,904 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 09:43:33,905 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-09-25 09:43:33,905 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-09-25 09:43:33,905 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-09-25 09:43:33,905 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-09-25 09:43:33,906 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 09:43:33,907 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 09:43:33,907 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 09:43:33,908 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-09-25 09:43:33,908 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-09-25 09:43:33,908 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-09-25 09:43:33,908 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-09-25 09:43:33,909 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 09:43:33,909 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-09-25 09:43:33,909 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-09-25 09:43:33,909 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-09-25 09:43:33,909 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 09:43:33,910 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 09:43:33,910 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 09:43:33,910 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 09:43:33,910 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-09-25 09:43:33,910 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 09:43:33,910 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 09:43:33,911 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-09-25 09:43:33,911 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=0.1;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=0.1;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=0.1;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=0.1;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=0.1;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=0.1;log-additional-information=true;
[2020-09-25 09:43:34,433 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 09:43:34,459 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 09:43:34,464 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 09:43:34,465 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-09-25 09:43:34,466 INFO  L275        PluginConnector]: CDTParser initialized
[2020-09-25 09:43:34,467 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product39.cil.c
[2020-09-25 09:43:34,545 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c64667d80/27306048b87c4df7836275c9f141b787/FLAG3db548b55
[2020-09-25 09:43:35,138 INFO  L306              CDTParser]: Found 1 translation units.
[2020-09-25 09:43:35,139 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product39.cil.c
[2020-09-25 09:43:35,155 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c64667d80/27306048b87c4df7836275c9f141b787/FLAG3db548b55
[2020-09-25 09:43:35,400 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c64667d80/27306048b87c4df7836275c9f141b787
[2020-09-25 09:43:35,412 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 09:43:35,418 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 09:43:35,419 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 09:43:35,419 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 09:43:35,423 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 09:43:35,425 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:43:35" (1/1) ...
[2020-09-25 09:43:35,429 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12a11f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:43:35, skipping insertion in model container
[2020-09-25 09:43:35,429 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:43:35" (1/1) ...
[2020-09-25 09:43:35,438 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-09-25 09:43:35,489 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-09-25 09:43:35,953 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 09:43:35,968 INFO  L203         MainTranslator]: Completed pre-run
[2020-09-25 09:43:36,069 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 09:43:36,115 INFO  L208         MainTranslator]: Completed translation
[2020-09-25 09:43:36,117 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:43:36 WrapperNode
[2020-09-25 09:43:36,117 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 09:43:36,118 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 09:43:36,118 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 09:43:36,118 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 09:43:36,136 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:43:36" (1/1) ...
[2020-09-25 09:43:36,137 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:43:36" (1/1) ...
[2020-09-25 09:43:36,158 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:43:36" (1/1) ...
[2020-09-25 09:43:36,159 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:43:36" (1/1) ...
[2020-09-25 09:43:36,190 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:43:36" (1/1) ...
[2020-09-25 09:43:36,202 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:43:36" (1/1) ...
[2020-09-25 09:43:36,208 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:43:36" (1/1) ...
[2020-09-25 09:43:36,217 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 09:43:36,218 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 09:43:36,218 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 09:43:36,218 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-09-25 09:43:36,220 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:43:36" (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 09:43:36,311 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 09:43:36,311 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 09:43:36,311 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-09-25 09:43:36,312 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-09-25 09:43:36,312 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-09-25 09:43:36,312 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-09-25 09:43:36,312 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-09-25 09:43:36,313 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-09-25 09:43:36,313 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-09-25 09:43:36,314 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1
[2020-09-25 09:43:36,314 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-09-25 09:43:36,314 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-09-25 09:43:36,314 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-09-25 09:43:36,314 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-09-25 09:43:36,314 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-09-25 09:43:36,315 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-09-25 09:43:36,316 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-09-25 09:43:36,316 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2020-09-25 09:43:36,316 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-09-25 09:43:36,316 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-09-25 09:43:36,317 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-09-25 09:43:36,317 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor
[2020-09-25 09:43:36,318 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-09-25 09:43:36,318 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-09-25 09:43:36,318 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-09-25 09:43:36,319 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-09-25 09:43:36,319 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-09-25 09:43:36,319 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-09-25 09:43:36,319 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2020-09-25 09:43:36,319 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopSystem
[2020-09-25 09:43:36,319 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-09-25 09:43:36,320 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-09-25 09:43:36,320 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-09-25 09:43:36,320 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-09-25 09:43:36,320 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-09-25 09:43:36,320 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-09-25 09:43:36,320 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-09-25 09:43:36,321 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-09-25 09:43:36,321 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 09:43:36,321 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 09:43:36,321 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 09:43:36,321 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-09-25 09:43:36,321 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-09-25 09:43:36,321 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-09-25 09:43:36,322 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-09-25 09:43:36,322 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-09-25 09:43:36,322 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-25 09:43:36,322 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-25 09:43:36,322 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 09:43:36,323 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-25 09:43:36,323 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-09-25 09:43:36,323 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 09:43:36,323 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-09-25 09:43:36,324 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-09-25 09:43:36,324 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 09:43:36,324 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-09-25 09:43:36,324 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-09-25 09:43:36,324 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 09:43:36,324 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-09-25 09:43:36,324 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-09-25 09:43:36,325 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-09-25 09:43:36,325 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-09-25 09:43:36,325 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1
[2020-09-25 09:43:36,325 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-09-25 09:43:36,326 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-09-25 09:43:36,326 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-09-25 09:43:36,326 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-09-25 09:43:36,326 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-09-25 09:43:36,326 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2020-09-25 09:43:36,327 INFO  L130     BoogieDeclarations]: Found specification of procedure stopSystem
[2020-09-25 09:43:36,327 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-09-25 09:43:36,328 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-09-25 09:43:36,329 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-09-25 09:43:36,329 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-09-25 09:43:36,329 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-09-25 09:43:36,329 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-09-25 09:43:36,329 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-09-25 09:43:36,329 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-09-25 09:43:36,330 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2020-09-25 09:43:36,330 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor
[2020-09-25 09:43:36,330 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-09-25 09:43:36,330 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-09-25 09:43:36,331 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-09-25 09:43:36,331 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-09-25 09:43:36,331 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-09-25 09:43:36,331 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-09-25 09:43:36,331 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-09-25 09:43:36,332 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-09-25 09:43:36,332 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-09-25 09:43:36,332 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 09:43:36,332 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-25 09:43:36,332 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 09:43:37,664 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 09:43:37,664 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-09-25 09:43:37,673 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:43:37 BoogieIcfgContainer
[2020-09-25 09:43:37,673 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 09:43:37,675 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 09:43:37,675 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 09:43:37,679 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-09-25 09:43:37,680 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 09:43:35" (1/3) ...
[2020-09-25 09:43:37,681 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e69f354 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:43:37, skipping insertion in model container
[2020-09-25 09:43:37,681 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:43:36" (2/3) ...
[2020-09-25 09:43:37,682 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e69f354 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:43:37, skipping insertion in model container
[2020-09-25 09:43:37,682 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:43:37" (3/3) ...
[2020-09-25 09:43:37,684 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec1_product39.cil.c
[2020-09-25 09:43:37,699 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 09:43:37,711 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 09:43:37,736 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 09:43:37,775 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-09-25 09:43:37,775 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-09-25 09:43:37,775 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 09:43:37,775 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 09:43:37,775 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 09:43:37,776 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-09-25 09:43:37,776 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 09:43:37,776 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 09:43:37,811 INFO  L276                IsEmpty]: Start isEmpty. Operand 307 states.
[2020-09-25 09:43:37,829 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 143
[2020-09-25 09:43:37,829 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 09:43:37,831 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 09:43:37,832 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 09:43:37,842 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 09:43:37,843 INFO  L82        PathProgramCache]: Analyzing trace with hash 1299916906, now seen corresponding path program 1 times
[2020-09-25 09:43:37,855 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 09:43:37,856 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1404693425]
[2020-09-25 09:43:37,856 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 09:43:38,264 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:43:38,449 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:43:38,663 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:43:40,225 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:43:41,174 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:43:43,286 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:43:43,286 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 173
[2020-09-25 09:43:43,287 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 4
[2020-09-25 09:43:43,288 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5006
[2020-09-25 09:43:43,292 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:43:43,292 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:43:43,292 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 12
[2020-09-25 09:43:43,293 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 79
[2020-09-25 09:43:43,293 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 78
[2020-09-25 09:43:43,293 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 5
[2020-09-25 09:43:43,770 WARN  L193               SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 09:43:43,778 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 09:43:43,822 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:43:43,868 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:43:44,151 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:43:44,151 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 09:43:44,151 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:43:44,152 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 327
[2020-09-25 09:43:44,152 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:43:44,152 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:43:44,152 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 09:43:44,153 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:43:44,153 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 75
[2020-09-25 09:43:44,153 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:43:44,242 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 09:43:44,243 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:43:44,245 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:43:44,248 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:43:44,249 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 09:43:44,249 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:43:44,249 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 09:43:44,249 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:43:44,250 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:43:44,250 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 09:43:44,250 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:43:44,250 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 09:43:44,251 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:43:44,252 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 09:43:44,253 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:43:44,255 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:43:44,258 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:43:44,258 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 09:43:44,288 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:43:44,288 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 09:43:44,288 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:43:44,289 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:43:44,289 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 09:43:44,289 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:43:44,289 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 09:43:44,290 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:43:44,293 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 09:43:44,295 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:43:44,298 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:43:44,308 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:43:44,308 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 09:43:44,309 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:43:44,309 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 12
[2020-09-25 09:43:44,309 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:43:44,309 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:43:44,310 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 09:43:44,310 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:43:44,310 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 09:43:44,311 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:43:44,322 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 09:43:44,331 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:43:44,333 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:43:44,336 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:43:44,337 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 09:43:44,337 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:43:44,337 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 09:43:44,338 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:43:44,338 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:43:44,339 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 09:43:44,339 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:43:44,339 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 09:43:44,339 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:43:44,344 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-09-25 09:43:44,345 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:43:44,347 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:43:44,356 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:43:44,356 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 09:43:44,356 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:43:44,357 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 10
[2020-09-25 09:43:44,357 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:43:44,357 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:43:44,357 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 09:43:44,358 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:43:44,358 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 09:43:44,358 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:43:44,383 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130
[2020-09-25 09:43:44,384 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:43:44,386 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:43:44,389 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:43:44,390 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 09:43:44,390 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:43:44,390 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 09:43:44,390 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:43:44,391 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:43:44,391 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 09:43:44,391 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 09:43:44,391 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 09:43:44,391 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:43:44,430 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 09:43:44,431 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1404693425]
[2020-09-25 09:43:44,434 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 09:43:44,434 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-25 09:43:44,436 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131545985]
[2020-09-25 09:43:44,446 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-25 09:43:44,446 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 09:43:44,465 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-25 09:43:44,467 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2020-09-25 09:43:44,470 INFO  L87              Difference]: Start difference. First operand 307 states. Second operand 8 states.
[2020-09-25 09:43:45,131 WARN  L193               SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 09:43:46,128 WARN  L193               SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 09:43:46,511 WARN  L193               SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 09:43:46,900 WARN  L193               SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 09:43:47,257 WARN  L193               SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 09:43:47,592 WARN  L193               SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 09:43:48,375 WARN  L193               SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 09:43:48,708 WARN  L193               SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 09:43:49,289 WARN  L193               SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 09:43:50,739 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 09:43:50,739 INFO  L93              Difference]: Finished difference Result 648 states and 795 transitions.
[2020-09-25 09:43:50,740 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2020-09-25 09:43:50,742 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 142
[2020-09-25 09:43:50,743 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 09:43:50,767 INFO  L225             Difference]: With dead ends: 648
[2020-09-25 09:43:50,767 INFO  L226             Difference]: Without dead ends: 435
[2020-09-25 09:43:50,774 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272
[2020-09-25 09:43:50,796 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 435 states.
[2020-09-25 09:43:50,907 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 377.
[2020-09-25 09:43:50,908 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 377 states.
[2020-09-25 09:43:50,911 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 421 transitions.
[2020-09-25 09:43:50,914 INFO  L78                 Accepts]: Start accepts. Automaton has 377 states and 421 transitions. Word has length 142
[2020-09-25 09:43:50,915 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 09:43:50,915 INFO  L479      AbstractCegarLoop]: Abstraction has 377 states and 421 transitions.
[2020-09-25 09:43:50,915 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-25 09:43:50,915 INFO  L276                IsEmpty]: Start isEmpty. Operand 377 states and 421 transitions.
[2020-09-25 09:43:50,920 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 158
[2020-09-25 09:43:50,920 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 09:43:50,920 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 09:43:50,921 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 09:43:50,921 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 09:43:50,921 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 09:43:50,922 INFO  L82        PathProgramCache]: Analyzing trace with hash 1602205180, now seen corresponding path program 1 times
[2020-09-25 09:43:50,922 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 09:43:50,922 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1942837562]
[2020-09-25 09:43:50,922 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 09:43:50,981 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:43:51,037 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:43:51,635 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:43:53,022 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:43:56,023 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:43:56,023 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 188
[2020-09-25 09:43:56,024 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 09:43:56,024 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5039
[2020-09-25 09:43:56,024 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:43:56,025 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:43:56,025 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 14
[2020-09-25 09:43:56,026 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 80
[2020-09-25 09:43:56,026 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 104
[2020-09-25 09:43:56,026 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:43:56,409 WARN  L193               SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 09:43:56,410 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 09:43:56,446 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:43:56,483 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:43:56,677 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:43:56,678 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 09:43:56,678 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:43:56,678 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 230
[2020-09-25 09:43:56,678 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:43:56,679 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:43:56,679 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 09:43:56,679 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:43:56,679 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 76
[2020-09-25 09:43:56,680 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:43:56,725 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 09:43:56,726 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:43:56,728 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:43:56,730 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:43:56,731 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 09:43:56,731 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:43:56,731 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 09:43:56,731 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:43:56,732 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:43:56,732 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 09:43:56,732 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:43:56,732 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 09:43:56,733 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:43:56,759 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 09:43:56,760 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:43:56,767 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:43:56,769 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:43:56,770 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 09:43:56,770 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:43:56,770 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 09:43:56,770 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:43:56,771 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:43:56,771 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 09:43:56,771 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:43:56,771 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 09:43:56,771 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:43:56,773 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 09:43:56,774 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:43:56,776 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:43:56,783 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:43:56,784 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 09:43:56,784 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:43:56,784 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 09:43:56,784 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:43:56,785 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:43:56,785 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 09:43:56,785 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:43:56,785 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 09:43:56,785 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:43:56,787 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 09:43:56,788 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:43:56,790 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:43:56,792 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:43:56,792 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 09:43:56,793 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:43:56,793 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 09:43:56,793 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:43:56,793 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:43:56,794 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 09:43:56,794 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:43:56,794 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 09:43:56,794 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:43:56,807 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-09-25 09:43:56,809 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:43:56,810 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:43:56,817 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:43:56,817 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 09:43:56,817 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:43:56,818 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 09:43:56,818 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:43:56,818 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:43:56,818 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 09:43:56,819 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:43:56,819 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 09:43:56,819 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:43:56,821 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135
[2020-09-25 09:43:56,822 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:43:56,824 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:43:56,827 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:43:56,827 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 09:43:56,827 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:43:56,827 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 09:43:56,828 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:43:56,828 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:43:56,828 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 09:43:56,828 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:43:56,828 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 09:43:56,829 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:43:56,831 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145
[2020-09-25 09:43:56,832 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:43:56,834 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:43:56,842 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:43:56,842 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 09:43:56,842 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:43:56,842 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 9
[2020-09-25 09:43:56,843 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:43:56,843 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:43:56,843 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 09:43:56,843 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:43:56,844 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 09:43:56,844 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:43:56,912 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 09:43:56,912 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1942837562]
[2020-09-25 09:43:56,913 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 09:43:56,913 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-09-25 09:43:56,913 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059890098]
[2020-09-25 09:43:56,915 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-09-25 09:43:56,916 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 09:43:56,916 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-09-25 09:43:56,916 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2020-09-25 09:43:56,916 INFO  L87              Difference]: Start difference. First operand 377 states and 421 transitions. Second operand 9 states.
[2020-09-25 09:43:57,389 WARN  L193               SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 09:43:58,583 WARN  L193               SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 09:43:58,892 WARN  L193               SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-09-25 09:43:59,236 WARN  L193               SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 09:43:59,609 WARN  L193               SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 195
[2020-09-25 09:43:59,931 WARN  L193               SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 192
[2020-09-25 09:44:00,650 WARN  L193               SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 09:44:00,956 WARN  L193               SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 09:44:01,354 WARN  L193               SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 09:44:02,671 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 09:44:02,672 INFO  L93              Difference]: Finished difference Result 910 states and 1122 transitions.
[2020-09-25 09:44:02,672 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2020-09-25 09:44:02,673 INFO  L78                 Accepts]: Start accepts. Automaton has 9 states. Word has length 157
[2020-09-25 09:44:02,674 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 09:44:02,683 INFO  L225             Difference]: With dead ends: 910
[2020-09-25 09:44:02,684 INFO  L226             Difference]: Without dead ends: 643
[2020-09-25 09:44:02,688 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342
[2020-09-25 09:44:02,690 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 643 states.
[2020-09-25 09:44:02,780 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 643 to 551.
[2020-09-25 09:44:02,781 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 551 states.
[2020-09-25 09:44:02,784 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 645 transitions.
[2020-09-25 09:44:02,785 INFO  L78                 Accepts]: Start accepts. Automaton has 551 states and 645 transitions. Word has length 157
[2020-09-25 09:44:02,786 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 09:44:02,786 INFO  L479      AbstractCegarLoop]: Abstraction has 551 states and 645 transitions.
[2020-09-25 09:44:02,786 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-09-25 09:44:02,786 INFO  L276                IsEmpty]: Start isEmpty. Operand 551 states and 645 transitions.
[2020-09-25 09:44:02,790 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 196
[2020-09-25 09:44:02,790 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 09:44:02,790 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 09:44:02,791 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 09:44:02,791 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 09:44:02,791 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 09:44:02,791 INFO  L82        PathProgramCache]: Analyzing trace with hash -1570026786, now seen corresponding path program 1 times
[2020-09-25 09:44:02,792 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 09:44:02,792 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1575101590]
[2020-09-25 09:44:02,792 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 09:44:02,841 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:44:02,896 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:44:03,662 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:44:03,662 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 236
[2020-09-25 09:44:03,663 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:44:03,663 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 818
[2020-09-25 09:44:03,663 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:44:03,663 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:44:03,663 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 09:44:03,664 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 184
[2020-09-25 09:44:03,664 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 9
[2020-09-25 09:44:03,664 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:44:03,967 WARN  L193               SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 09:44:03,967 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 09:44:03,975 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:44:03,985 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:44:04,046 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:44:04,047 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 09:44:04,047 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:44:04,047 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 70
[2020-09-25 09:44:04,048 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:44:04,048 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:44:04,048 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 09:44:04,049 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:44:04,049 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 09:44:04,049 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:44:04,112 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 09:44:04,113 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:44:04,114 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:44:04,116 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:44:04,117 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 09:44:04,117 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:44:04,117 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 09:44:04,117 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:44:04,118 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:44:04,118 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 09:44:04,118 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:44:04,118 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 09:44:04,119 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:44:04,120 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 09:44:04,120 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:44:04,123 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:44:04,125 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:44:04,126 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 09:44:04,126 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:44:04,126 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 09:44:04,127 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:44:04,127 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:44:04,127 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 09:44:04,128 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:44:04,128 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 09:44:04,128 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:44:04,130 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 09:44:04,130 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:44:04,132 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:44:04,136 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:44:04,137 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 09:44:04,137 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:44:04,137 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 09:44:04,138 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:44:04,138 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:44:04,138 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 09:44:04,139 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:44:04,139 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 09:44:04,139 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:44:04,141 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 09:44:04,142 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:44:04,143 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:44:04,145 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:44:04,146 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 09:44:04,146 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:44:04,146 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 09:44:04,147 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:44:04,147 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:44:04,147 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 09:44:04,149 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:44:04,149 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 09:44:04,150 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 09:44:04,161 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-09-25 09:44:04,162 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:44:04,164 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:44:04,168 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:44:04,168 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 09:44:04,171 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:44:04,171 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 09:44:04,171 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:44:04,171 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:44:04,172 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 09:44:04,172 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:44:04,172 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 09:44:04,172 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:44:04,190 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132
[2020-09-25 09:44:04,196 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:44:04,203 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:44:04,276 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:44:04,276 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 51
[2020-09-25 09:44:04,276 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:44:04,277 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 78
[2020-09-25 09:44:04,277 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:44:04,277 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:44:04,277 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 09:44:04,278 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 29
[2020-09-25 09:44:04,278 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 9
[2020-09-25 09:44:04,278 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:44:04,283 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 09:44:04,287 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:44:04,292 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:44:04,354 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:44:04,354 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 44
[2020-09-25 09:44:04,354 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:44:04,354 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 66
[2020-09-25 09:44:04,355 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:44:04,355 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:44:04,355 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 09:44:04,356 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 24
[2020-09-25 09:44:04,356 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 9
[2020-09-25 09:44:04,356 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:44:04,383 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 09:44:04,386 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:44:04,390 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:44:04,427 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:44:04,427 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 27
[2020-09-25 09:44:04,427 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:44:04,427 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 40
[2020-09-25 09:44:04,428 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:44:04,428 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:44:04,428 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 09:44:04,428 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:44:04,428 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 22
[2020-09-25 09:44:04,429 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:44:04,488 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2020-09-25 09:44:04,489 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:44:04,490 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:44:04,497 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:44:04,498 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 09:44:04,498 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:44:04,498 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 09:44:04,498 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:44:04,499 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:44:04,499 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 09:44:04,499 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:44:04,499 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 09:44:04,500 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:44:04,502 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-09-25 09:44:04,503 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:44:04,504 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:44:04,506 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:44:04,507 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 09:44:04,507 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:44:04,507 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 09:44:04,507 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:44:04,508 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:44:04,508 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 09:44:04,508 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 6
[2020-09-25 09:44:04,508 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 09:44:04,509 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:44:04,512 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173
[2020-09-25 09:44:04,513 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:44:04,514 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:44:04,516 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:44:04,516 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 09:44:04,516 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:44:04,517 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 09:44:04,517 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:44:04,517 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:44:04,517 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 09:44:04,517 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 09:44:04,518 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 09:44:04,518 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 09:44:04,519 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183
[2020-09-25 09:44:04,520 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:44:04,522 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:44:04,524 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:44:04,524 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 09:44:04,524 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:44:04,524 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 09:44:04,525 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:44:04,525 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:44:04,525 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 09:44:04,525 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 09:44:04,525 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 09:44:04,526 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 09:44:04,587 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 09:44:04,588 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1575101590]
[2020-09-25 09:44:04,588 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 09:44:04,588 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2020-09-25 09:44:04,589 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863002082]
[2020-09-25 09:44:04,591 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-09-25 09:44:04,591 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 09:44:04,591 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-09-25 09:44:04,591 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90
[2020-09-25 09:44:04,592 INFO  L87              Difference]: Start difference. First operand 551 states and 645 transitions. Second operand 10 states.
[2020-09-25 09:44:06,157 WARN  L193               SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 09:44:06,483 WARN  L193               SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-09-25 09:44:06,868 WARN  L193               SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 194
[2020-09-25 09:44:07,194 WARN  L193               SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 09:44:07,526 WARN  L193               SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 09:44:07,798 WARN  L193               SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 09:44:09,007 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 09:44:09,008 INFO  L93              Difference]: Finished difference Result 1191 states and 1500 transitions.
[2020-09-25 09:44:09,008 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2020-09-25 09:44:09,009 INFO  L78                 Accepts]: Start accepts. Automaton has 10 states. Word has length 195
[2020-09-25 09:44:09,009 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 09:44:09,020 INFO  L225             Difference]: With dead ends: 1191
[2020-09-25 09:44:09,021 INFO  L226             Difference]: Without dead ends: 750
[2020-09-25 09:44:09,025 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272
[2020-09-25 09:44:09,027 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 750 states.
[2020-09-25 09:44:09,146 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 750 to 573.
[2020-09-25 09:44:09,146 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 573 states.
[2020-09-25 09:44:09,152 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 667 transitions.
[2020-09-25 09:44:09,154 INFO  L78                 Accepts]: Start accepts. Automaton has 573 states and 667 transitions. Word has length 195
[2020-09-25 09:44:09,156 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 09:44:09,156 INFO  L479      AbstractCegarLoop]: Abstraction has 573 states and 667 transitions.
[2020-09-25 09:44:09,156 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-09-25 09:44:09,156 INFO  L276                IsEmpty]: Start isEmpty. Operand 573 states and 667 transitions.
[2020-09-25 09:44:09,163 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 245
[2020-09-25 09:44:09,163 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 09:44:09,164 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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]
[2020-09-25 09:44:09,165 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 09:44:09,165 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 09:44:09,165 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 09:44:09,165 INFO  L82        PathProgramCache]: Analyzing trace with hash 1654065899, now seen corresponding path program 1 times
[2020-09-25 09:44:09,166 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 09:44:09,166 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1248510820]
[2020-09-25 09:44:09,166 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 09:44:09,224 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:44:09,284 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:44:09,410 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:44:09,519 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:44:09,613 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:44:09,835 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:44:10,286 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:44:10,452 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:44:14,229 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:44:14,230 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 299
[2020-09-25 09:44:14,230 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 7
[2020-09-25 09:44:14,230 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5002
[2020-09-25 09:44:14,230 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:44:14,231 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:44:14,231 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 8
[2020-09-25 09:44:14,231 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 81
[2020-09-25 09:44:14,231 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 74
[2020-09-25 09:44:14,231 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 09:44:14,586 WARN  L193               SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 09:44:14,586 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 09:44:14,614 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:44:14,652 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:44:14,865 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:44:14,866 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 09:44:14,866 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:44:14,866 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 249
[2020-09-25 09:44:14,867 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:44:14,867 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:44:14,867 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 09:44:14,868 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:44:14,868 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 77
[2020-09-25 09:44:14,868 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:44:14,924 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 09:44:14,925 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:44:14,927 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:44:14,930 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:44:14,930 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 09:44:14,930 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:44:14,931 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 09:44:14,931 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:44:14,931 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:44:14,932 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 09:44:14,932 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:44:14,933 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 09:44:14,933 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:44:14,934 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 09:44:14,935 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:44:14,936 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:44:14,939 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:44:14,940 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 09:44:14,940 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:44:14,940 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 09:44:14,941 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:44:14,941 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:44:14,941 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 09:44:14,942 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:44:14,942 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 09:44:14,942 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:44:14,944 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 09:44:14,945 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:44:14,947 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:44:14,954 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:44:14,954 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 09:44:14,954 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:44:14,954 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 09:44:14,955 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:44:14,955 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:44:14,955 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 09:44:14,956 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:44:14,956 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 09:44:14,956 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:44:14,959 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 09:44:14,960 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:44:14,961 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:44:14,964 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:44:14,965 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 09:44:14,965 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:44:14,965 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 09:44:14,966 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:44:14,966 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:44:14,967 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 09:44:14,967 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:44:14,967 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 09:44:14,968 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:44:14,981 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-09-25 09:44:14,983 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:44:14,985 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:44:14,992 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:44:14,993 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 09:44:14,993 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:44:14,993 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 9
[2020-09-25 09:44:14,994 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:44:14,994 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:44:14,994 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 09:44:14,995 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:44:14,995 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 09:44:14,995 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:44:15,013 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129
[2020-09-25 09:44:15,016 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:44:15,022 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:44:15,028 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:44:15,028 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 29
[2020-09-25 09:44:15,029 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:44:15,029 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 09:44:15,029 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:44:15,030 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:44:15,030 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 09:44:15,030 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 4
[2020-09-25 09:44:15,031 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 23
[2020-09-25 09:44:15,031 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:44:15,049 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 09:44:15,051 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:44:15,058 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:44:15,065 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:44:15,065 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 22
[2020-09-25 09:44:15,065 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:44:15,066 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 12
[2020-09-25 09:44:15,066 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:44:15,066 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:44:15,067 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 09:44:15,067 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:44:15,067 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 18
[2020-09-25 09:44:15,067 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:44:15,069 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 09:44:15,070 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:44:15,071 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:44:15,073 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:44:15,073 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 09:44:15,073 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:44:15,073 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 09:44:15,074 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:44:15,074 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:44:15,074 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 09:44:15,074 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:44:15,075 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 09:44:15,075 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:44:15,078 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154
[2020-09-25 09:44:15,080 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:44:15,083 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:44:15,085 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:44:15,085 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 29
[2020-09-25 09:44:15,085 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:44:15,086 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 09:44:15,086 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:44:15,086 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:44:15,086 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 09:44:15,086 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 26
[2020-09-25 09:44:15,087 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 09:44:15,087 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 09:44:15,090 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 09:44:15,091 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:44:15,093 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:44:15,095 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:44:15,095 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 22
[2020-09-25 09:44:15,096 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:44:15,096 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 09:44:15,096 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:44:15,097 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:44:15,097 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 09:44:15,097 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:44:15,098 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 09:44:15,098 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:44:15,101 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 09:44:15,102 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:44:15,103 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:44:15,105 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:44:15,105 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 09:44:15,106 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:44:15,106 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 09:44:15,106 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:44:15,106 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:44:15,107 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 09:44:15,107 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:44:15,108 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 09:44:15,108 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:44:15,125 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181
[2020-09-25 09:44:15,128 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:44:15,136 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:44:15,172 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:44:15,199 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:44:15,200 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 51
[2020-09-25 09:44:15,200 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 09:44:15,201 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 68
[2020-09-25 09:44:15,201 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:44:15,201 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:44:15,202 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 09:44:15,202 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 21
[2020-09-25 09:44:15,202 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 8
[2020-09-25 09:44:15,202 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:44:15,208 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 09:44:15,222 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:44:15,230 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:44:15,282 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:44:15,283 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 44
[2020-09-25 09:44:15,283 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:44:15,284 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 58
[2020-09-25 09:44:15,284 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:44:15,285 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:44:15,285 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 09:44:15,285 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 16
[2020-09-25 09:44:15,286 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 8
[2020-09-25 09:44:15,286 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:44:15,290 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 09:44:15,293 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:44:15,296 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:44:15,402 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:44:15,403 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 27
[2020-09-25 09:44:15,403 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:44:15,404 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 108
[2020-09-25 09:44:15,404 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:44:15,404 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:44:15,405 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 09:44:15,405 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 11
[2020-09-25 09:44:15,406 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 8
[2020-09-25 09:44:15,406 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 09:44:15,446 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2020-09-25 09:44:15,448 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:44:15,450 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:44:15,456 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:44:15,457 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 09:44:15,457 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:44:15,458 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 09:44:15,458 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:44:15,458 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:44:15,459 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 09:44:15,459 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:44:15,460 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 09:44:15,460 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 09:44:15,500 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-09-25 09:44:15,502 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:44:15,503 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:44:15,506 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:44:15,506 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 09:44:15,506 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:44:15,507 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 09:44:15,507 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:44:15,508 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:44:15,508 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 09:44:15,508 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 6
[2020-09-25 09:44:15,509 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 09:44:15,509 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:44:15,514 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222
[2020-09-25 09:44:15,515 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:44:15,517 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:44:15,518 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:44:15,519 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 09:44:15,519 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:44:15,520 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 09:44:15,520 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:44:15,520 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:44:15,521 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 09:44:15,521 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 09:44:15,521 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 09:44:15,522 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:44:15,523 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232
[2020-09-25 09:44:15,524 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:44:15,526 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:44:15,529 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:44:15,529 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 09:44:15,529 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:44:15,530 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 09:44:15,530 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:44:15,530 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:44:15,531 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 09:44:15,531 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 09:44:15,531 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 09:44:15,531 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:44:15,638 INFO  L134       CoverageAnalysis]: Checked inductivity of 51 backedges. 22 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked.
[2020-09-25 09:44:15,639 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1248510820]
[2020-09-25 09:44:15,639 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-09-25 09:44:15,640 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12
[2020-09-25 09:44:15,640 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114667995]
[2020-09-25 09:44:15,642 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 12 states
[2020-09-25 09:44:15,642 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 09:44:15,643 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2020-09-25 09:44:15,643 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132
[2020-09-25 09:44:15,644 INFO  L87              Difference]: Start difference. First operand 573 states and 667 transitions. Second operand 12 states.
[2020-09-25 09:44:16,206 WARN  L193               SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 09:44:17,181 WARN  L193               SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 09:44:17,633 WARN  L193               SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 09:44:17,976 WARN  L193               SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 09:44:18,331 WARN  L193               SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 09:44:18,711 WARN  L193               SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 193
[2020-09-25 09:44:19,029 WARN  L193               SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 09:44:19,395 WARN  L193               SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 09:44:19,723 WARN  L193               SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-09-25 09:44:20,109 WARN  L193               SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 09:44:20,545 WARN  L193               SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 192
[2020-09-25 09:44:20,863 WARN  L193               SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 09:44:24,268 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 09:44:24,268 INFO  L93              Difference]: Finished difference Result 1959 states and 2620 transitions.
[2020-09-25 09:44:24,269 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2020-09-25 09:44:24,269 INFO  L78                 Accepts]: Start accepts. Automaton has 12 states. Word has length 244
[2020-09-25 09:44:24,269 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 09:44:24,280 INFO  L225             Difference]: With dead ends: 1959
[2020-09-25 09:44:24,280 INFO  L226             Difference]: Without dead ends: 1496
[2020-09-25 09:44:24,284 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 48 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 249 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=285, Invalid=905, Unknown=0, NotChecked=0, Total=1190
[2020-09-25 09:44:24,287 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1496 states.
[2020-09-25 09:44:24,431 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1496 to 1041.
[2020-09-25 09:44:24,431 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1041 states.
[2020-09-25 09:44:24,437 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 1041 states and 1226 transitions.
[2020-09-25 09:44:24,438 INFO  L78                 Accepts]: Start accepts. Automaton has 1041 states and 1226 transitions. Word has length 244
[2020-09-25 09:44:24,439 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 09:44:24,439 INFO  L479      AbstractCegarLoop]: Abstraction has 1041 states and 1226 transitions.
[2020-09-25 09:44:24,439 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 12 states.
[2020-09-25 09:44:24,439 INFO  L276                IsEmpty]: Start isEmpty. Operand 1041 states and 1226 transitions.
[2020-09-25 09:44:24,443 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 196
[2020-09-25 09:44:24,443 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 09:44:24,444 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 09:44:24,444 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-25 09:44:24,444 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 09:44:24,444 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 09:44:24,445 INFO  L82        PathProgramCache]: Analyzing trace with hash 110776353, now seen corresponding path program 1 times
[2020-09-25 09:44:24,445 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 09:44:24,445 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [499515329]
[2020-09-25 09:44:24,445 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 09:44:24,492 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:44:24,548 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:44:25,769 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:44:25,769 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 236
[2020-09-25 09:44:25,769 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:44:25,769 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1273
[2020-09-25 09:44:25,770 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:44:25,770 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:44:25,770 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 10
[2020-09-25 09:44:25,770 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 78
[2020-09-25 09:44:25,770 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 98
[2020-09-25 09:44:25,771 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1