/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product47.cil.c


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


This is Ultimate 0.1.25-c90d42b
[2020-09-25 11:58:24,626 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-09-25 11:58:24,630 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 11:58:24,657 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 11:58:24,658 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 11:58:24,659 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 11:58:24,660 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 11:58:24,662 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 11:58:24,664 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 11:58:24,665 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 11:58:24,666 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 11:58:24,668 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 11:58:24,668 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 11:58:24,669 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 11:58:24,670 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 11:58:24,671 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 11:58:24,672 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 11:58:24,673 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 11:58:24,675 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 11:58:24,677 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 11:58:24,679 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 11:58:24,680 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 11:58:24,682 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 11:58:24,683 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 11:58:24,688 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 11:58:24,688 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 11:58:24,688 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 11:58:24,692 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 11:58:24,692 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 11:58:24,696 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 11:58:24,696 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 11:58:24,699 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 11:58:24,700 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 11:58:24,701 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 11:58:24,704 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 11:58:24,704 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 11:58:24,705 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 11:58:24,706 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 11:58:24,706 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 11:58:24,708 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 11:58:24,709 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 11:58:24,710 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-09-25 11:58:24,768 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-09-25 11:58:24,768 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 11:58:24,769 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 11:58:24,770 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-09-25 11:58:24,773 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-09-25 11:58:24,773 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 11:58:24,773 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-09-25 11:58:24,774 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-09-25 11:58:24,774 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-09-25 11:58:24,774 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-09-25 11:58:24,774 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 11:58:24,774 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 11:58:24,775 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 11:58:24,775 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-09-25 11:58:24,775 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-09-25 11:58:24,775 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-09-25 11:58:24,775 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-09-25 11:58:24,776 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 11:58:24,777 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-09-25 11:58:24,777 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-09-25 11:58:24,778 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-09-25 11:58:24,778 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 11:58:24,778 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 11:58:24,778 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 11:58:24,779 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 11:58:24,779 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-09-25 11:58:24,779 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 11:58:24,779 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 11:58:24,779 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-09-25 11:58:24,780 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;
[2020-09-25 11:58:25,260 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 11:58:25,276 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 11:58:25,281 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 11:58:25,284 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-09-25 11:58:25,287 INFO  L275        PluginConnector]: CDTParser initialized
[2020-09-25 11:58:25,288 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product47.cil.c
[2020-09-25 11:58:25,379 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e4081adc6/409861f074e44f4d93d8ec0f5a172980/FLAGa610e8f0a
[2020-09-25 11:58:26,037 INFO  L306              CDTParser]: Found 1 translation units.
[2020-09-25 11:58:26,038 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product47.cil.c
[2020-09-25 11:58:26,053 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e4081adc6/409861f074e44f4d93d8ec0f5a172980/FLAGa610e8f0a
[2020-09-25 11:58:26,260 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e4081adc6/409861f074e44f4d93d8ec0f5a172980
[2020-09-25 11:58:26,274 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 11:58:26,281 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 11:58:26,282 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 11:58:26,282 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 11:58:26,287 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 11:58:26,288 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:58:26" (1/1) ...
[2020-09-25 11:58:26,293 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22589b7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:58:26, skipping insertion in model container
[2020-09-25 11:58:26,294 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:58:26" (1/1) ...
[2020-09-25 11:58:26,305 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-09-25 11:58:26,386 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-09-25 11:58:26,747 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 11:58:26,763 INFO  L203         MainTranslator]: Completed pre-run
[2020-09-25 11:58:26,939 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 11:58:26,981 INFO  L208         MainTranslator]: Completed translation
[2020-09-25 11:58:26,982 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:58:26 WrapperNode
[2020-09-25 11:58:26,982 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 11:58:26,983 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 11:58:26,983 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 11:58:26,983 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 11:58:27,001 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:58:26" (1/1) ...
[2020-09-25 11:58:27,002 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:58:26" (1/1) ...
[2020-09-25 11:58:27,024 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:58:26" (1/1) ...
[2020-09-25 11:58:27,025 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:58:26" (1/1) ...
[2020-09-25 11:58:27,059 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:58:26" (1/1) ...
[2020-09-25 11:58:27,071 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:58:26" (1/1) ...
[2020-09-25 11:58:27,082 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:58:26" (1/1) ...
[2020-09-25 11:58:27,098 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 11:58:27,099 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 11:58:27,099 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 11:58:27,099 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-09-25 11:58:27,104 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:58:26" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 11:58:27,214 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 11:58:27,215 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 11:58:27,215 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-09-25 11:58:27,215 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1
[2020-09-25 11:58:27,216 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-09-25 11:58:27,216 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-09-25 11:58:27,217 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-09-25 11:58:27,218 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-09-25 11:58:27,218 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-09-25 11:58:27,218 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-09-25 11:58:27,218 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-09-25 11:58:27,218 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-09-25 11:58:27,219 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-09-25 11:58:27,219 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-09-25 11:58:27,219 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-09-25 11:58:27,220 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2020-09-25 11:58:27,220 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-09-25 11:58:27,220 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-09-25 11:58:27,221 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery
[2020-09-25 11:58:27,221 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-09-25 11:58:27,222 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor
[2020-09-25 11:58:27,222 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-09-25 11:58:27,223 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-09-25 11:58:27,223 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-09-25 11:58:27,224 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-09-25 11:58:27,225 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-09-25 11:58:27,226 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2020-09-25 11:58:27,226 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopSystem
[2020-09-25 11:58:27,226 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-09-25 11:58:27,226 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-09-25 11:58:27,226 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-09-25 11:58:27,227 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-09-25 11:58:27,227 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-09-25 11:58:27,227 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-09-25 11:58:27,227 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-09-25 11:58:27,227 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-09-25 11:58:27,227 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-09-25 11:58:27,227 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-09-25 11:58:27,228 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-09-25 11:58:27,228 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 11:58:27,228 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 11:58:27,228 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 11:58:27,228 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-09-25 11:58:27,228 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-09-25 11:58:27,229 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-09-25 11:58:27,229 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-09-25 11:58:27,229 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1
[2020-09-25 11:58:27,229 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-09-25 11:58:27,229 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-09-25 11:58:27,230 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-09-25 11:58:27,230 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-09-25 11:58:27,230 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-09-25 11:58:27,231 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-09-25 11:58:27,232 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-09-25 11:58:27,232 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-09-25 11:58:27,232 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-09-25 11:58:27,232 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2020-09-25 11:58:27,232 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 11:58:27,232 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-09-25 11:58:27,233 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-09-25 11:58:27,233 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-09-25 11:58:27,233 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-09-25 11:58:27,233 INFO  L130     BoogieDeclarations]: Found specification of procedure stopSystem
[2020-09-25 11:58:27,233 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-09-25 11:58:27,234 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-09-25 11:58:27,234 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2020-09-25 11:58:27,234 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery
[2020-09-25 11:58:27,234 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-09-25 11:58:27,235 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor
[2020-09-25 11:58:27,235 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-09-25 11:58:27,235 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-09-25 11:58:27,237 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-09-25 11:58:27,237 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-09-25 11:58:27,237 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-09-25 11:58:27,237 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-09-25 11:58:27,238 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-25 11:58:27,238 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-25 11:58:27,238 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 11:58:27,238 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-25 11:58:27,238 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-09-25 11:58:27,238 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 11:58:27,238 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-09-25 11:58:27,239 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-09-25 11:58:27,239 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 11:58:27,239 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-09-25 11:58:27,239 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-09-25 11:58:27,239 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-09-25 11:58:27,239 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-09-25 11:58:27,240 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-09-25 11:58:27,240 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-09-25 11:58:27,240 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-09-25 11:58:27,240 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 11:58:27,240 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-25 11:58:27,240 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 11:58:28,383 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 11:58:28,383 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-09-25 11:58:28,391 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:58:28 BoogieIcfgContainer
[2020-09-25 11:58:28,391 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 11:58:28,393 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 11:58:28,394 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 11:58:28,398 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-09-25 11:58:28,398 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 11:58:26" (1/3) ...
[2020-09-25 11:58:28,399 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b3a5b45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:58:28, skipping insertion in model container
[2020-09-25 11:58:28,399 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:58:26" (2/3) ...
[2020-09-25 11:58:28,400 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b3a5b45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:58:28, skipping insertion in model container
[2020-09-25 11:58:28,400 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:58:28" (3/3) ...
[2020-09-25 11:58:28,403 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec1_product47.cil.c
[2020-09-25 11:58:28,416 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 11:58:28,429 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 11:58:28,454 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 11:58:28,491 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-09-25 11:58:28,492 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-09-25 11:58:28,492 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 11:58:28,492 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 11:58:28,492 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 11:58:28,492 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-09-25 11:58:28,493 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 11:58:28,493 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 11:58:28,525 INFO  L276                IsEmpty]: Start isEmpty. Operand 316 states.
[2020-09-25 11:58:28,545 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 143
[2020-09-25 11:58:28,545 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 11:58:28,547 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 11:58:28,548 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 11:58:28,556 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 11:58:28,557 INFO  L82        PathProgramCache]: Analyzing trace with hash -479235834, now seen corresponding path program 1 times
[2020-09-25 11:58:28,574 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 11:58:28,575 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [810395769]
[2020-09-25 11:58:28,575 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 11:58:28,903 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:58:29,089 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:29,351 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:30,654 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:31,656 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:33,206 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:33,937 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:58:33,938 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 173
[2020-09-25 11:58:33,938 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 5
[2020-09-25 11:58:33,939 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5024
[2020-09-25 11:58:33,944 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:58:33,944 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:58:33,945 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 12
[2020-09-25 11:58:33,946 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 78
[2020-09-25 11:58:33,946 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 79
[2020-09-25 11:58:33,955 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 15
[2020-09-25 11:58:34,436 WARN  L193               SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 11:58:34,444 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 11:58:34,497 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:58:34,547 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:34,840 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:58:34,841 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 11:58:34,841 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:58:34,842 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 341
[2020-09-25 11:58:34,842 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:58:34,842 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:58:34,843 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:58:34,843 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:58:34,844 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 74
[2020-09-25 11:58:34,844 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:58:34,956 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 11:58:34,958 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:58:34,959 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:34,963 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:58:34,963 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:58:34,963 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:58:34,963 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 11:58:34,964 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:58:34,964 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:58:34,964 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:58:34,964 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:58:34,965 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 11:58:34,965 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:58:34,968 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 11:58:34,972 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:58:34,973 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:34,976 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:58:34,977 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:58:34,977 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:58:34,977 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 11:58:34,978 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:58:34,978 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:58:34,978 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:58:34,978 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:58:34,978 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 11:58:34,979 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:58:34,981 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 11:58:34,983 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:58:34,986 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:35,008 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:58:35,008 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 11:58:35,009 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:58:35,009 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 24
[2020-09-25 11:58:35,009 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:58:35,009 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:58:35,010 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:58:35,010 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:58:35,010 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 11:58:35,010 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:58:35,014 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 11:58:35,015 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:58:35,017 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:35,022 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:58:35,022 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:58:35,023 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:58:35,023 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 11:58:35,023 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:58:35,024 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:58:35,024 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:58:35,024 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:58:35,024 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 11:58:35,025 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:58:35,029 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-09-25 11:58:35,030 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:58:35,032 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:35,040 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:58:35,040 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 11:58:35,041 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:58:35,041 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 9
[2020-09-25 11:58:35,041 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:58:35,041 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:58:35,042 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 11:58:35,042 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:58:35,042 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 11:58:35,042 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:58:35,074 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130
[2020-09-25 11:58:35,075 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:58:35,077 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:35,080 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:58:35,081 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 11:58:35,081 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:58:35,081 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 11:58:35,081 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:58:35,082 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:58:35,082 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 11:58:35,082 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 11:58:35,082 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 11:58:35,083 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:58:35,152 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 11:58:35,153 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [810395769]
[2020-09-25 11:58:35,156 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 11:58:35,156 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-25 11:58:35,157 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944700351]
[2020-09-25 11:58:35,164 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-25 11:58:35,165 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 11:58:35,183 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-25 11:58:35,184 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2020-09-25 11:58:35,187 INFO  L87              Difference]: Start difference. First operand 316 states. Second operand 8 states.
[2020-09-25 11:58:36,064 WARN  L193               SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 11:58:37,075 WARN  L193               SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 11:58:37,394 WARN  L193               SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 11:58:37,714 WARN  L193               SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 11:58:38,003 WARN  L193               SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 11:58:38,317 WARN  L193               SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 11:58:39,005 WARN  L193               SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 11:58:39,357 WARN  L193               SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 11:58:39,965 WARN  L193               SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 11:58:41,770 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 11:58:41,771 INFO  L93              Difference]: Finished difference Result 679 states and 832 transitions.
[2020-09-25 11:58:41,778 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2020-09-25 11:58:41,779 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 142
[2020-09-25 11:58:41,780 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 11:58:41,806 INFO  L225             Difference]: With dead ends: 679
[2020-09-25 11:58:41,806 INFO  L226             Difference]: Without dead ends: 457
[2020-09-25 11:58:41,812 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272
[2020-09-25 11:58:41,832 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 457 states.
[2020-09-25 11:58:41,940 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 395.
[2020-09-25 11:58:41,942 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 395 states.
[2020-09-25 11:58:41,945 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 443 transitions.
[2020-09-25 11:58:41,948 INFO  L78                 Accepts]: Start accepts. Automaton has 395 states and 443 transitions. Word has length 142
[2020-09-25 11:58:41,948 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 11:58:41,949 INFO  L479      AbstractCegarLoop]: Abstraction has 395 states and 443 transitions.
[2020-09-25 11:58:41,949 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-25 11:58:41,949 INFO  L276                IsEmpty]: Start isEmpty. Operand 395 states and 443 transitions.
[2020-09-25 11:58:41,955 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 158
[2020-09-25 11:58:41,956 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 11:58:41,956 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 11:58:41,956 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 11:58:41,957 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 11:58:41,957 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 11:58:41,957 INFO  L82        PathProgramCache]: Analyzing trace with hash 47921451, now seen corresponding path program 1 times
[2020-09-25 11:58:41,957 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 11:58:41,958 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [665697164]
[2020-09-25 11:58:41,958 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 11:58:42,015 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:58:42,079 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:42,703 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:45,165 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:47,058 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:58:47,059 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 188
[2020-09-25 11:58:47,059 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 11:58:47,059 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5040
[2020-09-25 11:58:47,060 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:58:47,060 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:58:47,060 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 8
[2020-09-25 11:58:47,060 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 80
[2020-09-25 11:58:47,060 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 75
[2020-09-25 11:58:47,061 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:58:47,360 WARN  L193               SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 11:58:47,361 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 11:58:47,411 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:58:47,450 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:47,651 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:58:47,652 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 11:58:47,652 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:58:47,652 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 237
[2020-09-25 11:58:47,652 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:58:47,653 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:58:47,653 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:58:47,653 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:58:47,653 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 76
[2020-09-25 11:58:47,654 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:58:47,709 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 11:58:47,710 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:58:47,712 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:47,714 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:58:47,714 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:58:47,714 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:58:47,715 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 11:58:47,715 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:58:47,715 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:58:47,715 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:58:47,716 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:58:47,716 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 11:58:47,716 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:58:47,717 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 11:58:47,718 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:58:47,723 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:47,727 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:58:47,727 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:58:47,727 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:58:47,727 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 11:58:47,728 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:58:47,728 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:58:47,728 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:58:47,728 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:58:47,729 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 11:58:47,729 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:58:47,730 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 11:58:47,731 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:58:47,734 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:47,741 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:58:47,741 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 11:58:47,741 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:58:47,741 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 11:58:47,742 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:58:47,742 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:58:47,742 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:58:47,742 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:58:47,743 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 11:58:47,743 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:58:47,745 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 11:58:47,746 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:58:47,747 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:47,750 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:58:47,750 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:58:47,751 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:58:47,751 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 11:58:47,751 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:58:47,751 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:58:47,752 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:58:47,752 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:58:47,752 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 11:58:47,752 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:58:47,761 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-09-25 11:58:47,762 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:58:47,764 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:47,776 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:58:47,777 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 11:58:47,778 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:58:47,779 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 13
[2020-09-25 11:58:47,779 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:58:47,779 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:58:47,779 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:58:47,780 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:58:47,780 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 11:58:47,780 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:58:47,782 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135
[2020-09-25 11:58:47,783 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:58:47,785 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:47,786 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:58:47,786 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 11:58:47,787 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:58:47,787 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 11:58:47,787 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:58:47,788 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:58:47,788 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 11:58:47,789 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 11:58:47,789 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 11:58:47,789 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:58:47,791 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145
[2020-09-25 11:58:47,792 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:58:47,794 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:47,795 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:58:47,796 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 11:58:47,796 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:58:47,796 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 11:58:47,796 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:58:47,796 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:58:47,797 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 11:58:47,797 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 11:58:47,799 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 11:58:47,800 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 3
[2020-09-25 11:58:47,856 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 11:58:47,856 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [665697164]
[2020-09-25 11:58:47,856 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 11:58:47,857 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-09-25 11:58:47,857 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982525714]
[2020-09-25 11:58:47,861 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-09-25 11:58:47,862 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 11:58:47,863 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-09-25 11:58:47,863 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2020-09-25 11:58:47,863 INFO  L87              Difference]: Start difference. First operand 395 states and 443 transitions. Second operand 6 states.
[2020-09-25 11:58:48,416 WARN  L193               SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 11:58:49,232 WARN  L193               SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 11:58:52,071 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 11:58:52,071 INFO  L93              Difference]: Finished difference Result 1292 states and 1565 transitions.
[2020-09-25 11:58:52,072 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2020-09-25 11:58:52,072 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 157
[2020-09-25 11:58:52,074 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 11:58:52,087 INFO  L225             Difference]: With dead ends: 1292
[2020-09-25 11:58:52,088 INFO  L226             Difference]: Without dead ends: 1007
[2020-09-25 11:58:52,092 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90
[2020-09-25 11:58:52,094 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1007 states.
[2020-09-25 11:58:52,222 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1007 to 809.
[2020-09-25 11:58:52,223 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 809 states.
[2020-09-25 11:58:52,227 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 809 states and 935 transitions.
[2020-09-25 11:58:52,228 INFO  L78                 Accepts]: Start accepts. Automaton has 809 states and 935 transitions. Word has length 157
[2020-09-25 11:58:52,229 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 11:58:52,229 INFO  L479      AbstractCegarLoop]: Abstraction has 809 states and 935 transitions.
[2020-09-25 11:58:52,229 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-09-25 11:58:52,229 INFO  L276                IsEmpty]: Start isEmpty. Operand 809 states and 935 transitions.
[2020-09-25 11:58:52,237 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 167
[2020-09-25 11:58:52,237 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 11:58:52,238 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]
[2020-09-25 11:58:52,238 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 11:58:52,238 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 11:58:52,239 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 11:58:52,239 INFO  L82        PathProgramCache]: Analyzing trace with hash -1178898179, now seen corresponding path program 1 times
[2020-09-25 11:58:52,239 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 11:58:52,239 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1885494496]
[2020-09-25 11:58:52,240 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 11:58:52,286 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:58:52,341 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:52,626 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:53,226 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:55,700 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:58:55,700 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 199
[2020-09-25 11:58:55,701 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 11:58:55,701 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3411
[2020-09-25 11:58:55,701 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:58:55,701 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:58:55,701 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 16
[2020-09-25 11:58:55,702 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 79
[2020-09-25 11:58:55,702 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 116
[2020-09-25 11:58:55,702 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:58:56,113 WARN  L193               SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 11:58:56,114 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 11:58:56,147 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:58:56,182 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:56,389 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:58:56,390 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 11:58:56,390 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:58:56,390 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 241
[2020-09-25 11:58:56,390 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:58:56,391 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:58:56,391 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:58:56,391 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:58:56,392 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 75
[2020-09-25 11:58:56,392 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:58:56,472 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 11:58:56,473 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:58:56,474 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:56,476 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:58:56,477 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:58:56,477 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:58:56,477 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 11:58:56,477 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:58:56,478 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:58:56,478 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:58:56,478 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:58:56,478 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 11:58:56,479 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:58:56,480 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 11:58:56,481 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:58:56,482 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:56,484 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:58:56,484 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:58:56,485 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:58:56,486 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 11:58:56,487 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:58:56,487 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:58:56,487 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:58:56,487 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:58:56,487 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 11:58:56,488 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:58:56,489 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 11:58:56,490 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:58:56,493 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:56,501 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:58:56,501 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 11:58:56,501 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:58:56,502 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 9
[2020-09-25 11:58:56,502 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:58:56,502 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:58:56,502 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:58:56,503 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:58:56,503 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 11:58:56,503 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:58:56,505 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 11:58:56,506 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:58:56,507 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:56,509 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:58:56,509 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:58:56,509 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:58:56,510 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 11:58:56,512 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:58:56,512 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:58:56,512 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:58:56,513 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:58:56,513 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 11:58:56,513 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 3
[2020-09-25 11:58:56,523 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-09-25 11:58:56,525 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:58:56,526 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:56,532 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:58:56,533 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 11:58:56,533 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:58:56,533 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 11:58:56,533 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:58:56,533 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:58:56,534 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:58:56,534 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:58:56,534 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 11:58:56,534 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:58:56,549 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133
[2020-09-25 11:58:56,550 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:58:56,552 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:56,556 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:56,558 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:58:56,559 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 11:58:56,559 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 11:58:56,559 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 11:58:56,559 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:58:56,560 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:58:56,560 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 11:58:56,560 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 1
[2020-09-25 11:58:56,560 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 9
[2020-09-25 11:58:56,561 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:58:56,574 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144
[2020-09-25 11:58:56,575 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:58:56,576 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:56,579 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:58:56,579 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 11:58:56,579 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:58:56,579 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 11:58:56,580 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:58:56,580 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:58:56,580 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:58:56,580 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:58:56,581 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 11:58:56,581 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:58:56,583 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154
[2020-09-25 11:58:56,584 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:58:56,585 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:58:56,591 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:58:56,591 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 11:58:56,592 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:58:56,592 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 11:58:56,592 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:58:56,592 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:58:56,592 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 11:58:56,593 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:58:56,593 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 11:58:56,593 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:58:56,650 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 11:58:56,650 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1885494496]
[2020-09-25 11:58:56,651 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 11:58:56,651 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2020-09-25 11:58:56,651 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056769322]
[2020-09-25 11:58:56,652 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 11 states
[2020-09-25 11:58:56,652 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 11:58:56,653 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2020-09-25 11:58:56,653 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110
[2020-09-25 11:58:56,653 INFO  L87              Difference]: Start difference. First operand 809 states and 935 transitions. Second operand 11 states.
[2020-09-25 11:58:57,199 WARN  L193               SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 11:58:58,535 WARN  L193               SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 11:58:58,902 WARN  L193               SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 11:58:59,264 WARN  L193               SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 11:58:59,670 WARN  L193               SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 193
[2020-09-25 11:59:00,009 WARN  L193               SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-09-25 11:59:00,770 WARN  L193               SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 11:59:01,090 WARN  L193               SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 11:59:01,540 WARN  L193               SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 11:59:03,418 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 11:59:03,419 INFO  L93              Difference]: Finished difference Result 2319 states and 2997 transitions.
[2020-09-25 11:59:03,419 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2020-09-25 11:59:03,419 INFO  L78                 Accepts]: Start accepts. Automaton has 11 states. Word has length 166
[2020-09-25 11:59:03,421 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 11:59:03,432 INFO  L225             Difference]: With dead ends: 2319
[2020-09-25 11:59:03,433 INFO  L226             Difference]: Without dead ends: 1620
[2020-09-25 11:59:03,436 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=185, Invalid=465, Unknown=0, NotChecked=0, Total=650
[2020-09-25 11:59:03,439 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1620 states.
[2020-09-25 11:59:03,667 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1620 to 1177.
[2020-09-25 11:59:03,668 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1177 states.
[2020-09-25 11:59:03,677 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 1177 states and 1390 transitions.
[2020-09-25 11:59:03,679 INFO  L78                 Accepts]: Start accepts. Automaton has 1177 states and 1390 transitions. Word has length 166
[2020-09-25 11:59:03,681 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 11:59:03,681 INFO  L479      AbstractCegarLoop]: Abstraction has 1177 states and 1390 transitions.
[2020-09-25 11:59:03,681 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 11 states.
[2020-09-25 11:59:03,681 INFO  L276                IsEmpty]: Start isEmpty. Operand 1177 states and 1390 transitions.
[2020-09-25 11:59:03,688 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 218
[2020-09-25 11:59:03,688 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 11:59:03,689 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 11:59:03,689 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 11:59:03,689 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 11:59:03,690 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 11:59:03,690 INFO  L82        PathProgramCache]: Analyzing trace with hash -446373878, now seen corresponding path program 1 times
[2020-09-25 11:59:03,690 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 11:59:03,690 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [927345273]
[2020-09-25 11:59:03,691 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 11:59:03,746 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:59:03,809 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:59:03,919 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:59:08,625 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:59:08,774 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:59:08,774 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 264
[2020-09-25 11:59:08,775 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 11:59:08,775 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5022
[2020-09-25 11:59:08,775 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:59:08,775 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:59:08,775 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 9
[2020-09-25 11:59:08,775 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 143
[2020-09-25 11:59:08,776 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 76
[2020-09-25 11:59:08,776 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 11:59:09,141 WARN  L193               SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 11:59:09,142 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 11:59:09,152 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:59:09,162 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:59:09,268 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:59:09,269 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 11:59:09,269 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:59:09,269 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 115
[2020-09-25 11:59:09,270 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:59:09,270 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:59:09,271 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 11:59:09,271 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:59:09,271 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 11:59:09,272 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:59:09,317 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 11:59:09,317 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:59:09,318 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:59:09,320 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:59:09,321 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:59:09,321 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:59:09,321 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 11:59:09,322 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:59:09,322 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:59:09,322 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 11:59:09,323 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:59:09,323 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 11:59:09,323 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:59:09,325 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 11:59:09,325 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:59:09,327 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:59:09,328 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:59:09,329 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:59:09,329 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:59:09,329 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 11:59:09,330 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:59:09,330 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:59:09,331 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 11:59:09,331 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:59:09,331 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 11:59:09,332 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:59:09,333 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 11:59:09,334 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:59:09,335 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:59:09,339 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:59:09,339 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 11:59:09,340 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:59:09,340 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 11:59:09,341 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:59:09,341 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:59:09,341 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 11:59:09,342 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:59:09,342 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 11:59:09,342 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:59:09,344 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 11:59:09,345 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:59:09,346 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:59:09,348 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:59:09,348 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:59:09,348 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:59:09,349 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 11:59:09,349 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:59:09,349 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:59:09,350 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 11:59:09,350 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:59:09,350 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 11:59:09,351 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:59:09,363 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-09-25 11:59:09,364 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:59:09,366 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:59:09,370 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:59:09,370 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 11:59:09,370 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:59:09,371 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 11:59:09,371 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:59:09,371 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:59:09,372 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:59:09,372 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:59:09,372 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 3
[2020-09-25 11:59:09,373 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:59:09,387 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132
[2020-09-25 11:59:09,396 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:59:09,404 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:59:09,467 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:59:09,961 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:59:09,962 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 79
[2020-09-25 11:59:09,962 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 11:59:09,963 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 564
[2020-09-25 11:59:09,963 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:59:09,963 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:59:09,964 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 9
[2020-09-25 11:59:09,964 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 50
[2020-09-25 11:59:09,964 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 27
[2020-09-25 11:59:09,965 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:59:09,988 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 11:59:09,993 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:59:10,001 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:59:10,021 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:59:10,808 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:59:10,809 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 72
[2020-09-25 11:59:10,809 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 11:59:10,809 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 813
[2020-09-25 11:59:10,810 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:59:10,810 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:59:10,810 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 9
[2020-09-25 11:59:10,810 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:59:10,810 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 57
[2020-09-25 11:59:10,811 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:59:10,818 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 11:59:10,820 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:59:10,821 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:59:10,828 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:59:10,828 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 27
[2020-09-25 11:59:10,828 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:59:10,829 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 11:59:10,829 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:59:10,829 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:59:10,829 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 11:59:10,830 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:59:10,830 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 11:59:10,830 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:59:10,833 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2020-09-25 11:59:10,834 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:59:10,835 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:59:10,839 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:59:10,839 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 11:59:10,840 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:59:10,840 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 11:59:10,840 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:59:10,840 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:59:10,841 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 11:59:10,841 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:59:10,841 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 11:59:10,841 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:59:10,843 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-09-25 11:59:10,846 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:59:10,851 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:59:10,921 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:59:10,921 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 37
[2020-09-25 11:59:10,921 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:59:10,921 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 73
[2020-09-25 11:59:10,922 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:59:10,922 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:59:10,922 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 9
[2020-09-25 11:59:10,922 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:59:10,923 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 24
[2020-09-25 11:59:10,923 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:59:10,990 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-09-25 11:59:10,993 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:59:10,996 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:59:11,011 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:59:11,011 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 21
[2020-09-25 11:59:11,011 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:59:11,012 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 17
[2020-09-25 11:59:11,012 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:59:11,012 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:59:11,012 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 7
[2020-09-25 11:59:11,013 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:59:11,013 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 16
[2020-09-25 11:59:11,013 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:59:11,086 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-09-25 11:59:11,087 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:59:11,089 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:59:11,098 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:59:11,098 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 11:59:11,098 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:59:11,099 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 9
[2020-09-25 11:59:11,099 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:59:11,099 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:59:11,099 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 11:59:11,100 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:59:11,100 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 11:59:11,100 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:59:11,143 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2020-09-25 11:59:11,144 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:59:11,146 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:59:11,159 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:59:11,159 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 11:59:11,159 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:59:11,159 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 13
[2020-09-25 11:59:11,160 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:59:11,160 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:59:11,160 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:59:11,160 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:59:11,160 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 5
[2020-09-25 11:59:11,161 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:59:11,169 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195
[2020-09-25 11:59:11,170 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:59:11,172 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:59:11,173 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:59:11,173 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 11:59:11,174 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:59:11,174 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 11:59:11,174 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:59:11,174 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:59:11,174 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 11:59:11,175 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 11:59:11,175 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 11:59:11,175 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 11:59:11,177 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205
[2020-09-25 11:59:11,178 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:59:11,179 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:59:11,180 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:59:11,181 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 11:59:11,181 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:59:11,181 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 11:59:11,181 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:59:11,181 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 11:59:11,181 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 11:59:11,182 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 11:59:11,182 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 11:59:11,182 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 11:59:11,234 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2020-09-25 11:59:11,234 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [927345273]
[2020-09-25 11:59:11,235 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-09-25 11:59:11,235 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15
[2020-09-25 11:59:11,235 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17093590]
[2020-09-25 11:59:11,236 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 15 states
[2020-09-25 11:59:11,236 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 11:59:11,237 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2020-09-25 11:59:11,237 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210
[2020-09-25 11:59:11,237 INFO  L87              Difference]: Start difference. First operand 1177 states and 1390 transitions. Second operand 15 states.
[2020-09-25 11:59:11,724 WARN  L193               SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 11:59:12,762 WARN  L193               SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 11:59:13,522 WARN  L193               SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 188