/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=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-invgen/apache-get-tag.i.v+lhb-reducer.c


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


This is Ultimate 0.1.25-c90d42b
[2020-09-25 00:05:03,597 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-09-25 00:05:03,602 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 00:05:03,645 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 00:05:03,646 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 00:05:03,654 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 00:05:03,656 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
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[2020-09-25 00:05:03,668 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
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[2020-09-25 00:05:03,675 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 00:05:03,676 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 00:05:03,678 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 00:05:03,679 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 00:05:03,688 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 00:05:03,690 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 00:05:03,691 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 00:05:03,692 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 00:05:03,693 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 00:05:03,705 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2020-09-25 00:05:03,711 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 00:05:03,712 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 00:05:03,712 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 00:05:03,713 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 00:05:03,714 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
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[2020-09-25 00:05:03,722 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 00:05:03,723 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
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[2020-09-25 00:05:03,724 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2020-09-25 00:05:03,727 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 00:05:03,728 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 00:05:03,771 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-09-25 00:05:03,771 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 00:05:03,773 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 00:05:03,773 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-09-25 00:05:03,774 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-09-25 00:05:03,774 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 00:05:03,774 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-09-25 00:05:03,775 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-09-25 00:05:03,775 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-09-25 00:05:03,775 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-09-25 00:05:03,776 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 00:05:03,776 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 00:05:03,776 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 00:05:03,777 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-09-25 00:05:03,777 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-09-25 00:05:03,777 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-09-25 00:05:03,777 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-09-25 00:05:03,778 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 00:05:03,778 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-09-25 00:05:03,778 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-09-25 00:05:03,778 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-09-25 00:05:03,778 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 00:05:03,779 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 00:05:03,779 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 00:05:03,779 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 00:05:03,779 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-09-25 00:05:03,779 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 00:05:03,780 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 00:05:03,780 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-09-25 00:05:03,780 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=SHALLOWEST;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=SHALLOWEST;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=SHALLOWEST;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=SHALLOWEST;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=SHALLOWEST;log-additional-information=true;
[2020-09-25 00:05:04,229 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 00:05:04,254 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 00:05:04,261 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 00:05:04,263 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-09-25 00:05:04,264 INFO  L275        PluginConnector]: CDTParser initialized
[2020-09-25 00:05:04,265 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/apache-get-tag.i.v+lhb-reducer.c
[2020-09-25 00:05:04,355 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/18f7858e5/64d1629935cc420985392e24c5a48523/FLAGc93b48cf1
[2020-09-25 00:05:04,901 INFO  L306              CDTParser]: Found 1 translation units.
[2020-09-25 00:05:04,907 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.v+lhb-reducer.c
[2020-09-25 00:05:04,916 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/18f7858e5/64d1629935cc420985392e24c5a48523/FLAGc93b48cf1
[2020-09-25 00:05:05,233 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/18f7858e5/64d1629935cc420985392e24c5a48523
[2020-09-25 00:05:05,246 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 00:05:05,252 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 00:05:05,256 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 00:05:05,256 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 00:05:05,260 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 00:05:05,261 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:05:05" (1/1) ...
[2020-09-25 00:05:05,266 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44dc5d33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:05:05, skipping insertion in model container
[2020-09-25 00:05:05,266 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:05:05" (1/1) ...
[2020-09-25 00:05:05,280 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-09-25 00:05:05,319 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-09-25 00:05:05,598 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 00:05:05,605 INFO  L203         MainTranslator]: Completed pre-run
[2020-09-25 00:05:05,645 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 00:05:05,664 INFO  L208         MainTranslator]: Completed translation
[2020-09-25 00:05:05,665 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:05:05 WrapperNode
[2020-09-25 00:05:05,665 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 00:05:05,666 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 00:05:05,666 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 00:05:05,667 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 00:05:05,764 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:05:05" (1/1) ...
[2020-09-25 00:05:05,764 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:05:05" (1/1) ...
[2020-09-25 00:05:05,772 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:05:05" (1/1) ...
[2020-09-25 00:05:05,772 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:05:05" (1/1) ...
[2020-09-25 00:05:05,781 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:05:05" (1/1) ...
[2020-09-25 00:05:05,786 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:05:05" (1/1) ...
[2020-09-25 00:05:05,789 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:05:05" (1/1) ...
[2020-09-25 00:05:05,792 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 00:05:05,793 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 00:05:05,793 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 00:05:05,793 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-09-25 00:05:05,794 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:05:05" (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 00:05:05,874 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 00:05:05,874 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 00:05:05,875 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2020-09-25 00:05:05,875 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 00:05:05,875 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 00:05:05,875 INFO  L130     BoogieDeclarations]: Found specification of procedure abort
[2020-09-25 00:05:05,875 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2020-09-25 00:05:05,875 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2020-09-25 00:05:05,876 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 00:05:05,876 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-09-25 00:05:05,876 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 00:05:05,876 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 00:05:06,521 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 00:05:06,521 INFO  L295             CfgBuilder]: Removed 0 assume(true) statements.
[2020-09-25 00:05:06,538 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:05:06 BoogieIcfgContainer
[2020-09-25 00:05:06,540 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 00:05:06,541 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 00:05:06,541 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 00:05:06,548 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-09-25 00:05:06,548 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:05:05" (1/3) ...
[2020-09-25 00:05:06,549 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@660db0dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:05:06, skipping insertion in model container
[2020-09-25 00:05:06,550 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:05:05" (2/3) ...
[2020-09-25 00:05:06,550 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@660db0dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:05:06, skipping insertion in model container
[2020-09-25 00:05:06,550 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:05:06" (3/3) ...
[2020-09-25 00:05:06,553 INFO  L109   eAbstractionObserver]: Analyzing ICFG apache-get-tag.i.v+lhb-reducer.c
[2020-09-25 00:05:06,565 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 00:05:06,577 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 18 error locations.
[2020-09-25 00:05:06,602 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 18 error locations.
[2020-09-25 00:05:06,638 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-09-25 00:05:06,638 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-09-25 00:05:06,638 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 00:05:06,638 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 00:05:06,638 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 00:05:06,639 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-09-25 00:05:06,639 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 00:05:06,639 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 00:05:06,671 INFO  L276                IsEmpty]: Start isEmpty. Operand 223 states.
[2020-09-25 00:05:06,680 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 34
[2020-09-25 00:05:06,680 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 00:05:06,681 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]
[2020-09-25 00:05:06,682 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 00:05:06,689 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 00:05:06,690 INFO  L82        PathProgramCache]: Analyzing trace with hash 150776909, now seen corresponding path program 1 times
[2020-09-25 00:05:06,699 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 00:05:06,699 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [326368577]
[2020-09-25 00:05:06,700 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 00:05:06,842 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:05:06,880 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:07,278 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:05:07,279 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 40
[2020-09-25 00:05:07,279 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:05:07,279 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 429
[2020-09-25 00:05:07,281 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:05:07,282 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 00:05:07,282 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 20
[2020-09-25 00:05:07,282 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 19
[2020-09-25 00:05:07,282 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 3
[2020-09-25 00:05:07,460 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 00:05:07,466 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:05:07,469 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:07,477 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:05:07,477 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 00:05:07,477 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:05:07,478 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 9
[2020-09-25 00:05:07,478 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:05:07,478 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:05:07,479 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:05:07,479 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:05:07,480 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 00:05:07,510 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 00:05:07,511 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [326368577]
[2020-09-25 00:05:07,513 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 00:05:07,514 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-25 00:05:07,515 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489630092]
[2020-09-25 00:05:07,524 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-25 00:05:07,525 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 00:05:07,540 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-25 00:05:07,541 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-09-25 00:05:07,544 INFO  L87              Difference]: Start difference. First operand 223 states. Second operand 8 states.
[2020-09-25 00:05:08,487 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 00:05:08,487 INFO  L93              Difference]: Finished difference Result 339 states and 382 transitions.
[2020-09-25 00:05:08,488 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2020-09-25 00:05:08,489 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 33
[2020-09-25 00:05:08,490 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 00:05:08,507 INFO  L225             Difference]: With dead ends: 339
[2020-09-25 00:05:08,508 INFO  L226             Difference]: Without dead ends: 287
[2020-09-25 00:05:08,513 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240
[2020-09-25 00:05:08,541 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 287 states.
[2020-09-25 00:05:08,583 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 193.
[2020-09-25 00:05:08,585 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 193 states.
[2020-09-25 00:05:08,588 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 197 transitions.
[2020-09-25 00:05:08,590 INFO  L78                 Accepts]: Start accepts. Automaton has 193 states and 197 transitions. Word has length 33
[2020-09-25 00:05:08,591 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 00:05:08,591 INFO  L479      AbstractCegarLoop]: Abstraction has 193 states and 197 transitions.
[2020-09-25 00:05:08,591 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-25 00:05:08,592 INFO  L276                IsEmpty]: Start isEmpty. Operand 193 states and 197 transitions.
[2020-09-25 00:05:08,593 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 34
[2020-09-25 00:05:08,593 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 00:05:08,594 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]
[2020-09-25 00:05:08,594 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 00:05:08,594 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 00:05:08,595 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 00:05:08,595 INFO  L82        PathProgramCache]: Analyzing trace with hash 661447885, now seen corresponding path program 1 times
[2020-09-25 00:05:08,595 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 00:05:08,596 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1014191332]
[2020-09-25 00:05:08,596 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 00:05:08,609 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:05:08,621 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:08,801 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:05:08,802 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 40
[2020-09-25 00:05:08,802 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:05:08,802 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 191
[2020-09-25 00:05:08,803 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:05:08,803 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 00:05:08,804 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 20
[2020-09-25 00:05:08,805 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 19
[2020-09-25 00:05:08,805 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 00:05:08,917 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 00:05:08,920 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:05:08,922 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:08,932 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:05:08,932 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 00:05:08,933 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:05:08,933 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 11
[2020-09-25 00:05:08,933 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:05:08,934 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:05:08,934 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:05:08,934 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:05:08,938 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 00:05:08,963 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 00:05:08,965 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1014191332]
[2020-09-25 00:05:08,965 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 00:05:08,967 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-25 00:05:08,968 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544662098]
[2020-09-25 00:05:08,970 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-25 00:05:08,971 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 00:05:08,972 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-25 00:05:08,973 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-09-25 00:05:08,974 INFO  L87              Difference]: Start difference. First operand 193 states and 197 transitions. Second operand 8 states.
[2020-09-25 00:05:09,929 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 00:05:09,930 INFO  L93              Difference]: Finished difference Result 287 states and 293 transitions.
[2020-09-25 00:05:09,931 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2020-09-25 00:05:09,931 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 33
[2020-09-25 00:05:09,931 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 00:05:09,934 INFO  L225             Difference]: With dead ends: 287
[2020-09-25 00:05:09,934 INFO  L226             Difference]: Without dead ends: 285
[2020-09-25 00:05:09,935 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240
[2020-09-25 00:05:09,937 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 285 states.
[2020-09-25 00:05:09,950 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 191.
[2020-09-25 00:05:09,951 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 191 states.
[2020-09-25 00:05:09,952 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 195 transitions.
[2020-09-25 00:05:09,952 INFO  L78                 Accepts]: Start accepts. Automaton has 191 states and 195 transitions. Word has length 33
[2020-09-25 00:05:09,953 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 00:05:09,953 INFO  L479      AbstractCegarLoop]: Abstraction has 191 states and 195 transitions.
[2020-09-25 00:05:09,953 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-25 00:05:09,953 INFO  L276                IsEmpty]: Start isEmpty. Operand 191 states and 195 transitions.
[2020-09-25 00:05:09,955 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2020-09-25 00:05:09,955 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 00:05:09,955 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]
[2020-09-25 00:05:09,955 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 00:05:09,956 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 00:05:09,956 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 00:05:09,956 INFO  L82        PathProgramCache]: Analyzing trace with hash -538052139, now seen corresponding path program 1 times
[2020-09-25 00:05:09,957 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 00:05:09,957 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1006667873]
[2020-09-25 00:05:09,957 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 00:05:09,970 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:05:09,981 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:10,019 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:10,240 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:10,269 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:10,336 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:11,519 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:05:11,520 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 50
[2020-09-25 00:05:11,520 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 5
[2020-09-25 00:05:11,520 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1548
[2020-09-25 00:05:11,522 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:05:11,522 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 00:05:11,522 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 20
[2020-09-25 00:05:11,523 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 29
[2020-09-25 00:05:11,523 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 00:05:11,587 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 00:05:11,589 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:05:11,591 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:11,592 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:05:11,593 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 00:05:11,593 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:05:11,593 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 00:05:11,593 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:05:11,594 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:05:11,594 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:05:11,594 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:05:11,594 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:05:11,600 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 00:05:11,601 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1006667873]
[2020-09-25 00:05:11,601 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 00:05:11,601 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-25 00:05:11,602 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009758202]
[2020-09-25 00:05:11,602 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-25 00:05:11,603 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 00:05:11,603 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-25 00:05:11,603 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-09-25 00:05:11,604 INFO  L87              Difference]: Start difference. First operand 191 states and 195 transitions. Second operand 8 states.
[2020-09-25 00:05:12,183 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 00:05:12,183 INFO  L93              Difference]: Finished difference Result 191 states and 195 transitions.
[2020-09-25 00:05:12,183 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2020-09-25 00:05:12,184 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 43
[2020-09-25 00:05:12,184 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 00:05:12,185 INFO  L225             Difference]: With dead ends: 191
[2020-09-25 00:05:12,186 INFO  L226             Difference]: Without dead ends: 189
[2020-09-25 00:05:12,187 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182
[2020-09-25 00:05:12,188 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 189 states.
[2020-09-25 00:05:12,198 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189.
[2020-09-25 00:05:12,199 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 189 states.
[2020-09-25 00:05:12,200 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 193 transitions.
[2020-09-25 00:05:12,200 INFO  L78                 Accepts]: Start accepts. Automaton has 189 states and 193 transitions. Word has length 43
[2020-09-25 00:05:12,200 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 00:05:12,201 INFO  L479      AbstractCegarLoop]: Abstraction has 189 states and 193 transitions.
[2020-09-25 00:05:12,201 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-25 00:05:12,201 INFO  L276                IsEmpty]: Start isEmpty. Operand 189 states and 193 transitions.
[2020-09-25 00:05:12,202 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2020-09-25 00:05:12,203 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 00:05:12,203 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]
[2020-09-25 00:05:12,203 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 00:05:12,204 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 00:05:12,204 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 00:05:12,204 INFO  L82        PathProgramCache]: Analyzing trace with hash -1061846924, now seen corresponding path program 1 times
[2020-09-25 00:05:12,204 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 00:05:12,205 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1678789175]
[2020-09-25 00:05:12,205 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 00:05:12,221 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:05:12,231 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:12,265 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:12,467 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:12,494 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:12,565 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:13,690 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:05:13,691 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 50
[2020-09-25 00:05:13,691 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 5
[2020-09-25 00:05:13,691 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1468
[2020-09-25 00:05:13,692 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:05:13,692 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 00:05:13,692 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 20
[2020-09-25 00:05:13,692 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 29
[2020-09-25 00:05:13,693 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:05:13,750 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 00:05:13,752 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:05:13,753 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:13,755 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:05:13,755 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 00:05:13,755 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:05:13,756 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 00:05:13,756 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:05:13,756 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:05:13,756 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:05:13,757 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:05:13,757 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 00:05:13,762 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 00:05:13,762 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1678789175]
[2020-09-25 00:05:13,763 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 00:05:13,763 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-25 00:05:13,763 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803588376]
[2020-09-25 00:05:13,764 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-25 00:05:13,764 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 00:05:13,765 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-25 00:05:13,765 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-09-25 00:05:13,765 INFO  L87              Difference]: Start difference. First operand 189 states and 193 transitions. Second operand 8 states.
[2020-09-25 00:05:14,317 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 00:05:14,318 INFO  L93              Difference]: Finished difference Result 189 states and 193 transitions.
[2020-09-25 00:05:14,318 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2020-09-25 00:05:14,319 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 43
[2020-09-25 00:05:14,319 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 00:05:14,320 INFO  L225             Difference]: With dead ends: 189
[2020-09-25 00:05:14,321 INFO  L226             Difference]: Without dead ends: 187
[2020-09-25 00:05:14,321 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182
[2020-09-25 00:05:14,322 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 187 states.
[2020-09-25 00:05:14,330 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187.
[2020-09-25 00:05:14,331 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 187 states.
[2020-09-25 00:05:14,332 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 191 transitions.
[2020-09-25 00:05:14,332 INFO  L78                 Accepts]: Start accepts. Automaton has 187 states and 191 transitions. Word has length 43
[2020-09-25 00:05:14,333 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 00:05:14,333 INFO  L479      AbstractCegarLoop]: Abstraction has 187 states and 191 transitions.
[2020-09-25 00:05:14,333 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-25 00:05:14,333 INFO  L276                IsEmpty]: Start isEmpty. Operand 187 states and 191 transitions.
[2020-09-25 00:05:14,335 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 49
[2020-09-25 00:05:14,335 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 00:05:14,335 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]
[2020-09-25 00:05:14,336 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-25 00:05:14,336 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 00:05:14,336 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 00:05:14,336 INFO  L82        PathProgramCache]: Analyzing trace with hash 1029151645, now seen corresponding path program 1 times
[2020-09-25 00:05:14,337 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 00:05:14,337 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2074776093]
[2020-09-25 00:05:14,337 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 00:05:14,357 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:05:14,369 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:14,391 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:14,427 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:15,302 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:05:15,303 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 55
[2020-09-25 00:05:15,303 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 00:05:15,303 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 944
[2020-09-25 00:05:15,304 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:05:15,304 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 8
[2020-09-25 00:05:15,304 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 20
[2020-09-25 00:05:15,304 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 34
[2020-09-25 00:05:15,304 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:05:15,398 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 00:05:15,400 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:05:15,403 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:15,405 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:05:15,405 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 00:05:15,406 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:05:15,406 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 00:05:15,406 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:05:15,406 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:05:15,406 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:05:15,407 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:05:15,407 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:05:15,415 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 00:05:15,415 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2074776093]
[2020-09-25 00:05:15,416 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 00:05:15,416 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-25 00:05:15,416 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856875640]
[2020-09-25 00:05:15,417 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-25 00:05:15,417 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 00:05:15,417 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-25 00:05:15,417 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-09-25 00:05:15,418 INFO  L87              Difference]: Start difference. First operand 187 states and 191 transitions. Second operand 8 states.
[2020-09-25 00:05:15,901 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 00:05:15,902 INFO  L93              Difference]: Finished difference Result 187 states and 191 transitions.
[2020-09-25 00:05:15,902 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2020-09-25 00:05:15,902 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 48
[2020-09-25 00:05:15,903 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 00:05:15,905 INFO  L225             Difference]: With dead ends: 187
[2020-09-25 00:05:15,905 INFO  L226             Difference]: Without dead ends: 175
[2020-09-25 00:05:15,907 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182
[2020-09-25 00:05:15,908 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 175 states.
[2020-09-25 00:05:15,935 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175.
[2020-09-25 00:05:15,935 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 175 states.
[2020-09-25 00:05:15,937 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 179 transitions.
[2020-09-25 00:05:15,937 INFO  L78                 Accepts]: Start accepts. Automaton has 175 states and 179 transitions. Word has length 48
[2020-09-25 00:05:15,938 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 00:05:15,938 INFO  L479      AbstractCegarLoop]: Abstraction has 175 states and 179 transitions.
[2020-09-25 00:05:15,938 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-25 00:05:15,939 INFO  L276                IsEmpty]: Start isEmpty. Operand 175 states and 179 transitions.
[2020-09-25 00:05:15,943 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 49
[2020-09-25 00:05:15,943 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 00:05:15,943 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]
[2020-09-25 00:05:15,944 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-09-25 00:05:15,944 INFO  L427      AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 00:05:15,945 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 00:05:15,945 INFO  L82        PathProgramCache]: Analyzing trace with hash 1480933896, now seen corresponding path program 1 times
[2020-09-25 00:05:15,945 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 00:05:15,946 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1148414914]
[2020-09-25 00:05:15,946 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 00:05:15,968 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:05:15,980 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:16,046 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:16,264 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:05:16,264 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 55
[2020-09-25 00:05:16,264 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 00:05:16,264 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 294
[2020-09-25 00:05:16,265 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:05:16,265 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 00:05:16,265 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 21
[2020-09-25 00:05:16,265 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 33
[2020-09-25 00:05:16,266 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:05:16,315 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 00:05:16,317 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:05:16,319 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:16,320 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:05:16,321 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 00:05:16,321 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:05:16,322 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 00:05:16,322 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:05:16,323 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:05:16,323 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:05:16,324 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:05:16,324 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 00:05:16,336 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 00:05:16,336 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1148414914]
[2020-09-25 00:05:16,338 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 00:05:16,338 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-09-25 00:05:16,342 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529538105]
[2020-09-25 00:05:16,344 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-09-25 00:05:16,344 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 00:05:16,344 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-09-25 00:05:16,345 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2020-09-25 00:05:16,345 INFO  L87              Difference]: Start difference. First operand 175 states and 179 transitions. Second operand 7 states.
[2020-09-25 00:05:17,040 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 00:05:17,041 INFO  L93              Difference]: Finished difference Result 297 states and 304 transitions.
[2020-09-25 00:05:17,041 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2020-09-25 00:05:17,041 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 48
[2020-09-25 00:05:17,042 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 00:05:17,044 INFO  L225             Difference]: With dead ends: 297
[2020-09-25 00:05:17,044 INFO  L226             Difference]: Without dead ends: 295
[2020-09-25 00:05:17,045 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110
[2020-09-25 00:05:17,046 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 295 states.
[2020-09-25 00:05:17,051 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 173.
[2020-09-25 00:05:17,052 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 173 states.
[2020-09-25 00:05:17,053 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 177 transitions.
[2020-09-25 00:05:17,053 INFO  L78                 Accepts]: Start accepts. Automaton has 173 states and 177 transitions. Word has length 48
[2020-09-25 00:05:17,053 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 00:05:17,053 INFO  L479      AbstractCegarLoop]: Abstraction has 173 states and 177 transitions.
[2020-09-25 00:05:17,054 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-09-25 00:05:17,054 INFO  L276                IsEmpty]: Start isEmpty. Operand 173 states and 177 transitions.
[2020-09-25 00:05:17,055 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 49
[2020-09-25 00:05:17,055 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 00:05:17,056 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]
[2020-09-25 00:05:17,056 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-09-25 00:05:17,056 INFO  L427      AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 00:05:17,056 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 00:05:17,057 INFO  L82        PathProgramCache]: Analyzing trace with hash 28591951, now seen corresponding path program 1 times
[2020-09-25 00:05:17,057 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 00:05:17,057 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1248796949]
[2020-09-25 00:05:17,057 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 00:05:17,066 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:05:17,075 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:17,119 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:17,326 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:05:17,326 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 55
[2020-09-25 00:05:17,326 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 00:05:17,326 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 258
[2020-09-25 00:05:17,327 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:05:17,327 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 00:05:17,327 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 21
[2020-09-25 00:05:17,327 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 33
[2020-09-25 00:05:17,327 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:05:17,376 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 00:05:17,377 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:05:17,379 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:17,381 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:05:17,381 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 00:05:17,381 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:05:17,381 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 00:05:17,382 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:05:17,382 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:05:17,382 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:05:17,382 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:05:17,382 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:05:17,387 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 00:05:17,388 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1248796949]
[2020-09-25 00:05:17,388 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 00:05:17,388 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-09-25 00:05:17,389 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663332735]
[2020-09-25 00:05:17,389 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-09-25 00:05:17,389 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 00:05:17,390 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-09-25 00:05:17,390 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2020-09-25 00:05:17,390 INFO  L87              Difference]: Start difference. First operand 173 states and 177 transitions. Second operand 7 states.
[2020-09-25 00:05:17,919 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 00:05:17,920 INFO  L93              Difference]: Finished difference Result 256 states and 262 transitions.
[2020-09-25 00:05:17,920 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2020-09-25 00:05:17,921 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 48
[2020-09-25 00:05:17,921 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 00:05:17,923 INFO  L225             Difference]: With dead ends: 256
[2020-09-25 00:05:17,923 INFO  L226             Difference]: Without dead ends: 254
[2020-09-25 00:05:17,924 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90
[2020-09-25 00:05:17,925 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 254 states.
[2020-09-25 00:05:17,930 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 171.
[2020-09-25 00:05:17,931 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 171 states.
[2020-09-25 00:05:17,932 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 175 transitions.
[2020-09-25 00:05:17,932 INFO  L78                 Accepts]: Start accepts. Automaton has 171 states and 175 transitions. Word has length 48
[2020-09-25 00:05:17,933 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 00:05:17,933 INFO  L479      AbstractCegarLoop]: Abstraction has 171 states and 175 transitions.
[2020-09-25 00:05:17,933 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-09-25 00:05:17,933 INFO  L276                IsEmpty]: Start isEmpty. Operand 171 states and 175 transitions.
[2020-09-25 00:05:17,934 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 49
[2020-09-25 00:05:17,934 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 00:05:17,934 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]
[2020-09-25 00:05:17,935 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2020-09-25 00:05:17,935 INFO  L427      AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 00:05:17,935 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 00:05:17,935 INFO  L82        PathProgramCache]: Analyzing trace with hash -2081291309, now seen corresponding path program 1 times
[2020-09-25 00:05:17,936 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 00:05:17,936 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [673073792]
[2020-09-25 00:05:17,936 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 00:05:17,945 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:05:17,954 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:17,975 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:18,004 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:18,739 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:05:18,739 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 55
[2020-09-25 00:05:18,739 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 00:05:18,739 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 792
[2020-09-25 00:05:18,740 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:05:18,740 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 8
[2020-09-25 00:05:18,740 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 20
[2020-09-25 00:05:18,740 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 34
[2020-09-25 00:05:18,741 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:05:18,816 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 00:05:18,817 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:05:18,819 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:18,821 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:05:18,822 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 00:05:18,822 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:05:18,822 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 00:05:18,822 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:05:18,823 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:05:18,823 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:05:18,823 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:05:18,823 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:05:18,829 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 00:05:18,830 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [673073792]
[2020-09-25 00:05:18,830 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 00:05:18,830 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-25 00:05:18,831 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901981549]
[2020-09-25 00:05:18,831 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-25 00:05:18,831 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 00:05:18,832 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-25 00:05:18,832 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-09-25 00:05:18,832 INFO  L87              Difference]: Start difference. First operand 171 states and 175 transitions. Second operand 8 states.
[2020-09-25 00:05:19,318 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 00:05:19,318 INFO  L93              Difference]: Finished difference Result 171 states and 175 transitions.
[2020-09-25 00:05:19,322 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2020-09-25 00:05:19,322 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 48
[2020-09-25 00:05:19,323 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 00:05:19,324 INFO  L225             Difference]: With dead ends: 171
[2020-09-25 00:05:19,324 INFO  L226             Difference]: Without dead ends: 159
[2020-09-25 00:05:19,325 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182
[2020-09-25 00:05:19,326 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 159 states.
[2020-09-25 00:05:19,330 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159.
[2020-09-25 00:05:19,330 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 159 states.
[2020-09-25 00:05:19,331 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 163 transitions.
[2020-09-25 00:05:19,331 INFO  L78                 Accepts]: Start accepts. Automaton has 159 states and 163 transitions. Word has length 48
[2020-09-25 00:05:19,332 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 00:05:19,332 INFO  L479      AbstractCegarLoop]: Abstraction has 159 states and 163 transitions.
[2020-09-25 00:05:19,332 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-25 00:05:19,332 INFO  L276                IsEmpty]: Start isEmpty. Operand 159 states and 163 transitions.
[2020-09-25 00:05:19,333 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 54
[2020-09-25 00:05:19,333 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 00:05:19,333 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]
[2020-09-25 00:05:19,334 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2020-09-25 00:05:19,334 INFO  L427      AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 00:05:19,334 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 00:05:19,334 INFO  L82        PathProgramCache]: Analyzing trace with hash -1071744508, now seen corresponding path program 1 times
[2020-09-25 00:05:19,335 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 00:05:19,335 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [719234637]
[2020-09-25 00:05:19,335 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 00:05:19,344 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:05:19,353 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:19,394 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:19,651 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:05:19,651 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 60
[2020-09-25 00:05:19,652 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 00:05:19,652 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 306
[2020-09-25 00:05:19,652 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:05:19,653 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 00:05:19,653 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 21
[2020-09-25 00:05:19,653 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 38
[2020-09-25 00:05:19,653 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 00:05:19,712 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 00:05:19,714 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:05:19,715 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:19,717 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:05:19,717 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 00:05:19,718 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:05:19,718 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 00:05:19,718 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:05:19,719 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:05:19,719 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:05:19,719 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:05:19,720 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 00:05:19,725 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 00:05:19,726 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [719234637]
[2020-09-25 00:05:19,726 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 00:05:19,726 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-09-25 00:05:19,726 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968892216]
[2020-09-25 00:05:19,727 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-09-25 00:05:19,727 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 00:05:19,727 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-09-25 00:05:19,728 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2020-09-25 00:05:19,728 INFO  L87              Difference]: Start difference. First operand 159 states and 163 transitions. Second operand 7 states.
[2020-09-25 00:05:20,200 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 00:05:20,200 INFO  L93              Difference]: Finished difference Result 229 states and 235 transitions.
[2020-09-25 00:05:20,202 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2020-09-25 00:05:20,202 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 53
[2020-09-25 00:05:20,202 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 00:05:20,204 INFO  L225             Difference]: With dead ends: 229
[2020-09-25 00:05:20,204 INFO  L226             Difference]: Without dead ends: 227
[2020-09-25 00:05:20,205 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110
[2020-09-25 00:05:20,205 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 227 states.
[2020-09-25 00:05:20,210 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 157.
[2020-09-25 00:05:20,211 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 157 states.
[2020-09-25 00:05:20,212 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 161 transitions.
[2020-09-25 00:05:20,212 INFO  L78                 Accepts]: Start accepts. Automaton has 157 states and 161 transitions. Word has length 53
[2020-09-25 00:05:20,212 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 00:05:20,212 INFO  L479      AbstractCegarLoop]: Abstraction has 157 states and 161 transitions.
[2020-09-25 00:05:20,212 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-09-25 00:05:20,213 INFO  L276                IsEmpty]: Start isEmpty. Operand 157 states and 161 transitions.
[2020-09-25 00:05:20,214 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 54
[2020-09-25 00:05:20,214 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 00:05:20,214 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]
[2020-09-25 00:05:20,214 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2020-09-25 00:05:20,215 INFO  L427      AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 00:05:20,215 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 00:05:20,215 INFO  L82        PathProgramCache]: Analyzing trace with hash 1179072694, now seen corresponding path program 1 times
[2020-09-25 00:05:20,215 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 00:05:20,216 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1054580897]
[2020-09-25 00:05:20,216 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 00:05:20,229 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:05:20,253 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:20,294 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:20,521 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:05:20,521 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 60
[2020-09-25 00:05:20,521 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 00:05:20,521 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 291
[2020-09-25 00:05:20,521 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:05:20,522 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 00:05:20,522 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 21
[2020-09-25 00:05:20,522 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 38
[2020-09-25 00:05:20,522 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:05:20,601 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 00:05:20,602 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:05:20,604 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:20,606 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:05:20,606 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 00:05:20,606 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:05:20,607 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 00:05:20,607 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:05:20,608 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:05:20,608 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:05:20,608 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:05:20,608 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 00:05:20,617 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 00:05:20,617 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1054580897]
[2020-09-25 00:05:20,617 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 00:05:20,618 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-09-25 00:05:20,618 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79344683]
[2020-09-25 00:05:20,618 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-09-25 00:05:20,619 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 00:05:20,619 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-09-25 00:05:20,619 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2020-09-25 00:05:20,619 INFO  L87              Difference]: Start difference. First operand 157 states and 161 transitions. Second operand 7 states.
[2020-09-25 00:05:21,053 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 00:05:21,053 INFO  L93              Difference]: Finished difference Result 210 states and 216 transitions.
[2020-09-25 00:05:21,054 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2020-09-25 00:05:21,054 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 53
[2020-09-25 00:05:21,054 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 00:05:21,055 INFO  L225             Difference]: With dead ends: 210
[2020-09-25 00:05:21,055 INFO  L226             Difference]: Without dead ends: 208
[2020-09-25 00:05:21,056 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110
[2020-09-25 00:05:21,057 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 208 states.
[2020-09-25 00:05:21,061 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 155.
[2020-09-25 00:05:21,061 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 155 states.
[2020-09-25 00:05:21,062 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 159 transitions.
[2020-09-25 00:05:21,063 INFO  L78                 Accepts]: Start accepts. Automaton has 155 states and 159 transitions. Word has length 53
[2020-09-25 00:05:21,063 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 00:05:21,063 INFO  L479      AbstractCegarLoop]: Abstraction has 155 states and 159 transitions.
[2020-09-25 00:05:21,063 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-09-25 00:05:21,063 INFO  L276                IsEmpty]: Start isEmpty. Operand 155 states and 159 transitions.
[2020-09-25 00:05:21,064 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 54
[2020-09-25 00:05:21,064 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 00:05:21,065 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]
[2020-09-25 00:05:21,065 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2020-09-25 00:05:21,065 INFO  L427      AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 00:05:21,065 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 00:05:21,066 INFO  L82        PathProgramCache]: Analyzing trace with hash -960286218, now seen corresponding path program 1 times
[2020-09-25 00:05:21,066 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 00:05:21,066 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [624184036]
[2020-09-25 00:05:21,066 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 00:05:21,076 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:05:21,084 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:21,122 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:21,345 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:05:21,345 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 60
[2020-09-25 00:05:21,345 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 00:05:21,346 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 268
[2020-09-25 00:05:21,346 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:05:21,346 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 00:05:21,346 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 21
[2020-09-25 00:05:21,346 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 38
[2020-09-25 00:05:21,347 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:05:21,392 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 00:05:21,393 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:05:21,395 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:21,396 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:05:21,397 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 00:05:21,397 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:05:21,397 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 00:05:21,397 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:05:21,397 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:05:21,398 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:05:21,398 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:05:21,398 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:05:21,402 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 00:05:21,403 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [624184036]
[2020-09-25 00:05:21,403 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 00:05:21,404 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-09-25 00:05:21,404 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872257373]
[2020-09-25 00:05:21,404 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-09-25 00:05:21,405 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 00:05:21,405 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-09-25 00:05:21,405 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2020-09-25 00:05:21,406 INFO  L87              Difference]: Start difference. First operand 155 states and 159 transitions. Second operand 7 states.
[2020-09-25 00:05:21,714 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 00:05:21,714 INFO  L93              Difference]: Finished difference Result 161 states and 165 transitions.
[2020-09-25 00:05:21,715 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2020-09-25 00:05:21,715 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 53
[2020-09-25 00:05:21,715 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 00:05:21,716 INFO  L225             Difference]: With dead ends: 161
[2020-09-25 00:05:21,716 INFO  L226             Difference]: Without dead ends: 159
[2020-09-25 00:05:21,717 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90
[2020-09-25 00:05:21,718 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 159 states.
[2020-09-25 00:05:21,725 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 153.
[2020-09-25 00:05:21,725 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 153 states.
[2020-09-25 00:05:21,726 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 157 transitions.
[2020-09-25 00:05:21,726 INFO  L78                 Accepts]: Start accepts. Automaton has 153 states and 157 transitions. Word has length 53
[2020-09-25 00:05:21,726 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 00:05:21,727 INFO  L479      AbstractCegarLoop]: Abstraction has 153 states and 157 transitions.
[2020-09-25 00:05:21,727 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-09-25 00:05:21,727 INFO  L276                IsEmpty]: Start isEmpty. Operand 153 states and 157 transitions.
[2020-09-25 00:05:21,727 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 54
[2020-09-25 00:05:21,728 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 00:05:21,728 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]
[2020-09-25 00:05:21,728 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2020-09-25 00:05:21,728 INFO  L427      AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 00:05:21,729 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 00:05:21,729 INFO  L82        PathProgramCache]: Analyzing trace with hash -1529900809, now seen corresponding path program 1 times
[2020-09-25 00:05:21,729 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 00:05:21,729 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1045896279]
[2020-09-25 00:05:21,730 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 00:05:21,738 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:05:21,747 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:21,826 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:22,418 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:05:22,419 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 60
[2020-09-25 00:05:22,419 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 00:05:22,419 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 679
[2020-09-25 00:05:22,420 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:05:22,420 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 8
[2020-09-25 00:05:22,420 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 20
[2020-09-25 00:05:22,421 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 39
[2020-09-25 00:05:22,421 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 00:05:22,577 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 00:05:22,578 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:05:22,579 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:22,580 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:05:22,581 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 00:05:22,581 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:05:22,581 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 00:05:22,581 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:05:22,581 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:05:22,586 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:05:22,587 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:05:22,587 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 5
[2020-09-25 00:05:22,598 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 00:05:22,598 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1045896279]
[2020-09-25 00:05:22,599 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 00:05:22,599 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-25 00:05:22,599 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864663171]
[2020-09-25 00:05:22,600 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-25 00:05:22,600 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 00:05:22,600 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-25 00:05:22,601 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-09-25 00:05:22,601 INFO  L87              Difference]: Start difference. First operand 153 states and 157 transitions. Second operand 8 states.
[2020-09-25 00:05:23,240 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 00:05:23,240 INFO  L93              Difference]: Finished difference Result 257 states and 264 transitions.
[2020-09-25 00:05:23,242 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2020-09-25 00:05:23,242 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 53
[2020-09-25 00:05:23,242 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 00:05:23,244 INFO  L225             Difference]: With dead ends: 257
[2020-09-25 00:05:23,244 INFO  L226             Difference]: Without dead ends: 255
[2020-09-25 00:05:23,246 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240
[2020-09-25 00:05:23,247 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 255 states.
[2020-09-25 00:05:23,253 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 151.
[2020-09-25 00:05:23,253 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 151 states.
[2020-09-25 00:05:23,254 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 155 transitions.
[2020-09-25 00:05:23,254 INFO  L78                 Accepts]: Start accepts. Automaton has 151 states and 155 transitions. Word has length 53
[2020-09-25 00:05:23,254 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 00:05:23,255 INFO  L479      AbstractCegarLoop]: Abstraction has 151 states and 155 transitions.
[2020-09-25 00:05:23,255 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-25 00:05:23,255 INFO  L276                IsEmpty]: Start isEmpty. Operand 151 states and 155 transitions.
[2020-09-25 00:05:23,255 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 54
[2020-09-25 00:05:23,255 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 00:05:23,256 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]
[2020-09-25 00:05:23,256 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2020-09-25 00:05:23,256 INFO  L427      AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 00:05:23,257 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 00:05:23,257 INFO  L82        PathProgramCache]: Analyzing trace with hash -2001226185, now seen corresponding path program 1 times
[2020-09-25 00:05:23,257 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 00:05:23,257 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1181459732]
[2020-09-25 00:05:23,258 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 00:05:23,266 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:05:23,275 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:23,335 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:23,864 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:05:23,865 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 60
[2020-09-25 00:05:23,865 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 00:05:23,865 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 597
[2020-09-25 00:05:23,865 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:05:23,865 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 8
[2020-09-25 00:05:23,866 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 20
[2020-09-25 00:05:23,866 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 39
[2020-09-25 00:05:23,866 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:05:23,943 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 00:05:23,944 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:05:23,946 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:23,947 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:05:23,947 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 00:05:23,948 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:05:23,948 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 00:05:23,948 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:05:23,948 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:05:23,948 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:05:23,949 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:05:23,949 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:05:23,955 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 00:05:23,955 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1181459732]
[2020-09-25 00:05:23,955 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 00:05:23,956 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-25 00:05:23,956 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478256380]
[2020-09-25 00:05:23,956 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-25 00:05:23,956 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 00:05:23,957 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-25 00:05:23,957 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-09-25 00:05:23,957 INFO  L87              Difference]: Start difference. First operand 151 states and 155 transitions. Second operand 8 states.
[2020-09-25 00:05:24,699 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 00:05:24,700 INFO  L93              Difference]: Finished difference Result 225 states and 231 transitions.
[2020-09-25 00:05:24,700 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2020-09-25 00:05:24,700 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 53
[2020-09-25 00:05:24,701 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 00:05:24,702 INFO  L225             Difference]: With dead ends: 225
[2020-09-25 00:05:24,702 INFO  L226             Difference]: Without dead ends: 223
[2020-09-25 00:05:24,703 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210
[2020-09-25 00:05:24,703 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 223 states.
[2020-09-25 00:05:24,708 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 149.
[2020-09-25 00:05:24,708 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 149 states.
[2020-09-25 00:05:24,710 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 153 transitions.
[2020-09-25 00:05:24,710 INFO  L78                 Accepts]: Start accepts. Automaton has 149 states and 153 transitions. Word has length 53
[2020-09-25 00:05:24,710 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 00:05:24,710 INFO  L479      AbstractCegarLoop]: Abstraction has 149 states and 153 transitions.
[2020-09-25 00:05:24,711 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-25 00:05:24,711 INFO  L276                IsEmpty]: Start isEmpty. Operand 149 states and 153 transitions.
[2020-09-25 00:05:24,711 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 59
[2020-09-25 00:05:24,711 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 00:05:24,712 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]
[2020-09-25 00:05:24,712 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2020-09-25 00:05:24,712 INFO  L427      AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 00:05:24,712 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 00:05:24,712 INFO  L82        PathProgramCache]: Analyzing trace with hash -1125742038, now seen corresponding path program 1 times
[2020-09-25 00:05:24,713 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 00:05:24,713 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2122943975]
[2020-09-25 00:05:24,713 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 00:05:24,721 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:05:24,730 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:24,757 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:25,626 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:05:25,627 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 65
[2020-09-25 00:05:25,627 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 00:05:25,627 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 904
[2020-09-25 00:05:25,628 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:05:25,628 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 8
[2020-09-25 00:05:25,628 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 20
[2020-09-25 00:05:25,629 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 44
[2020-09-25 00:05:25,629 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 00:05:25,803 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 00:05:25,804 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:05:25,806 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:25,807 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:05:25,807 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 00:05:25,807 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:05:25,808 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 00:05:25,808 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:05:25,808 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:05:25,809 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:05:25,809 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:05:25,809 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 00:05:25,825 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 00:05:25,826 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2122943975]
[2020-09-25 00:05:25,826 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 00:05:25,826 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-09-25 00:05:25,827 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266386133]
[2020-09-25 00:05:25,827 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-09-25 00:05:25,827 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 00:05:25,828 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-09-25 00:05:25,828 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72
[2020-09-25 00:05:25,828 INFO  L87              Difference]: Start difference. First operand 149 states and 153 transitions. Second operand 9 states.
[2020-09-25 00:05:26,466 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 00:05:26,466 INFO  L93              Difference]: Finished difference Result 373 states and 384 transitions.
[2020-09-25 00:05:26,467 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2020-09-25 00:05:26,467 INFO  L78                 Accepts]: Start accepts. Automaton has 9 states. Word has length 58
[2020-09-25 00:05:26,467 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 00:05:26,469 INFO  L225             Difference]: With dead ends: 373
[2020-09-25 00:05:26,470 INFO  L226             Difference]: Without dead ends: 371
[2020-09-25 00:05:26,470 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240
[2020-09-25 00:05:26,471 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 371 states.
[2020-09-25 00:05:26,480 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 178.
[2020-09-25 00:05:26,481 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 178 states.
[2020-09-25 00:05:26,482 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 185 transitions.
[2020-09-25 00:05:26,482 INFO  L78                 Accepts]: Start accepts. Automaton has 178 states and 185 transitions. Word has length 58
[2020-09-25 00:05:26,482 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 00:05:26,483 INFO  L479      AbstractCegarLoop]: Abstraction has 178 states and 185 transitions.
[2020-09-25 00:05:26,483 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-09-25 00:05:26,483 INFO  L276                IsEmpty]: Start isEmpty. Operand 178 states and 185 transitions.
[2020-09-25 00:05:26,484 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 59
[2020-09-25 00:05:26,484 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 00:05:26,484 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]
[2020-09-25 00:05:26,484 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2020-09-25 00:05:26,484 INFO  L427      AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 00:05:26,485 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 00:05:26,485 INFO  L82        PathProgramCache]: Analyzing trace with hash 894302084, now seen corresponding path program 1 times
[2020-09-25 00:05:26,485 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 00:05:26,485 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1406113091]
[2020-09-25 00:05:26,485 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 00:05:26,494 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:05:26,504 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:26,533 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:27,438 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:05:27,438 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 65
[2020-09-25 00:05:27,438 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 00:05:27,438 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 942
[2020-09-25 00:05:27,439 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:05:27,439 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 8
[2020-09-25 00:05:27,439 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 20
[2020-09-25 00:05:27,439 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 44
[2020-09-25 00:05:27,439 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:05:27,582 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 00:05:27,583 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:05:27,584 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:27,585 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:05:27,585 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 00:05:27,586 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:05:27,586 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 00:05:27,586 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:05:27,587 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:05:27,587 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:05:27,587 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:05:27,587 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:05:27,597 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 00:05:27,598 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1406113091]
[2020-09-25 00:05:27,598 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 00:05:27,598 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-09-25 00:05:27,598 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665387593]
[2020-09-25 00:05:27,599 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-09-25 00:05:27,599 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 00:05:27,599 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-09-25 00:05:27,599 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72
[2020-09-25 00:05:27,600 INFO  L87              Difference]: Start difference. First operand 178 states and 185 transitions. Second operand 9 states.
[2020-09-25 00:05:28,121 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 00:05:28,121 INFO  L93              Difference]: Finished difference Result 356 states and 367 transitions.
[2020-09-25 00:05:28,122 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2020-09-25 00:05:28,122 INFO  L78                 Accepts]: Start accepts. Automaton has 9 states. Word has length 58
[2020-09-25 00:05:28,122 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 00:05:28,126 INFO  L225             Difference]: With dead ends: 356
[2020-09-25 00:05:28,127 INFO  L226             Difference]: Without dead ends: 354
[2020-09-25 00:05:28,127 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240
[2020-09-25 00:05:28,128 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 354 states.
[2020-09-25 00:05:28,135 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 188.
[2020-09-25 00:05:28,136 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 188 states.
[2020-09-25 00:05:28,137 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 195 transitions.
[2020-09-25 00:05:28,137 INFO  L78                 Accepts]: Start accepts. Automaton has 188 states and 195 transitions. Word has length 58
[2020-09-25 00:05:28,137 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 00:05:28,137 INFO  L479      AbstractCegarLoop]: Abstraction has 188 states and 195 transitions.
[2020-09-25 00:05:28,137 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-09-25 00:05:28,138 INFO  L276                IsEmpty]: Start isEmpty. Operand 188 states and 195 transitions.
[2020-09-25 00:05:28,138 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 59
[2020-09-25 00:05:28,138 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 00:05:28,138 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]
[2020-09-25 00:05:28,139 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2020-09-25 00:05:28,139 INFO  L427      AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 00:05:28,139 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 00:05:28,139 INFO  L82        PathProgramCache]: Analyzing trace with hash 579772635, now seen corresponding path program 1 times
[2020-09-25 00:05:28,140 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 00:05:28,140 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [43138009]
[2020-09-25 00:05:28,140 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 00:05:28,148 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:05:28,157 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:28,182 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:29,092 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:05:29,092 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 65
[2020-09-25 00:05:29,093 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 00:05:29,093 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 943
[2020-09-25 00:05:29,093 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:05:29,093 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 8
[2020-09-25 00:05:29,093 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 20
[2020-09-25 00:05:29,093 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 44
[2020-09-25 00:05:29,094 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:05:29,238 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 00:05:29,239 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:05:29,241 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:29,242 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:05:29,242 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 00:05:29,242 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:05:29,242 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 00:05:29,242 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:05:29,242 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:05:29,243 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:05:29,243 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:05:29,243 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:05:29,251 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 00:05:29,252 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [43138009]
[2020-09-25 00:05:29,254 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 00:05:29,254 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-09-25 00:05:29,254 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338754482]
[2020-09-25 00:05:29,254 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-09-25 00:05:29,255 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 00:05:29,255 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-09-25 00:05:29,255 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72
[2020-09-25 00:05:29,255 INFO  L87              Difference]: Start difference. First operand 188 states and 195 transitions. Second operand 9 states.
[2020-09-25 00:05:29,684 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 00:05:29,684 INFO  L93              Difference]: Finished difference Result 241 states and 248 transitions.
[2020-09-25 00:05:29,685 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2020-09-25 00:05:29,685 INFO  L78                 Accepts]: Start accepts. Automaton has 9 states. Word has length 58
[2020-09-25 00:05:29,685 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 00:05:29,687 INFO  L225             Difference]: With dead ends: 241
[2020-09-25 00:05:29,687 INFO  L226             Difference]: Without dead ends: 229
[2020-09-25 00:05:29,688 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182
[2020-09-25 00:05:29,688 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 229 states.
[2020-09-25 00:05:29,697 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 188.
[2020-09-25 00:05:29,697 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 188 states.
[2020-09-25 00:05:29,698 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 194 transitions.
[2020-09-25 00:05:29,700 INFO  L78                 Accepts]: Start accepts. Automaton has 188 states and 194 transitions. Word has length 58
[2020-09-25 00:05:29,700 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 00:05:29,700 INFO  L479      AbstractCegarLoop]: Abstraction has 188 states and 194 transitions.
[2020-09-25 00:05:29,700 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-09-25 00:05:29,700 INFO  L276                IsEmpty]: Start isEmpty. Operand 188 states and 194 transitions.
[2020-09-25 00:05:29,703 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 67
[2020-09-25 00:05:29,703 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 00:05:29,703 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]
[2020-09-25 00:05:29,703 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2020-09-25 00:05:29,704 INFO  L427      AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 00:05:29,704 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 00:05:29,704 INFO  L82        PathProgramCache]: Analyzing trace with hash -71318262, now seen corresponding path program 1 times
[2020-09-25 00:05:29,705 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 00:05:29,705 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [591683802]
[2020-09-25 00:05:29,705 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 00:05:29,716 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:05:29,726 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:29,748 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:29,848 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:29,969 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:32,076 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:32,094 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:32,148 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:32,401 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:32,434 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:32,634 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:34,716 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:05:34,716 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 73
[2020-09-25 00:05:34,717 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 10
[2020-09-25 00:05:34,717 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4999
[2020-09-25 00:05:34,717 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:05:34,717 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 00:05:34,717 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 20
[2020-09-25 00:05:34,717 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 52
[2020-09-25 00:05:34,718 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:05:34,768 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 00:05:34,769 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:05:34,770 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:34,772 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:05:34,773 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 00:05:34,773 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:05:34,773 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 00:05:34,773 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:05:34,773 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:05:34,774 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:05:34,774 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:05:34,774 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:05:34,781 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 00:05:34,781 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [591683802]
[2020-09-25 00:05:34,781 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 00:05:34,782 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-25 00:05:34,782 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158723232]
[2020-09-25 00:05:34,782 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-25 00:05:34,783 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 00:05:34,784 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-25 00:05:34,784 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-09-25 00:05:34,784 INFO  L87              Difference]: Start difference. First operand 188 states and 194 transitions. Second operand 8 states.
[2020-09-25 00:05:35,156 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 00:05:35,157 INFO  L93              Difference]: Finished difference Result 188 states and 194 transitions.
[2020-09-25 00:05:35,157 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2020-09-25 00:05:35,157 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 66
[2020-09-25 00:05:35,158 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 00:05:35,159 INFO  L225             Difference]: With dead ends: 188
[2020-09-25 00:05:35,159 INFO  L226             Difference]: Without dead ends: 186
[2020-09-25 00:05:35,159 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182
[2020-09-25 00:05:35,160 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 186 states.
[2020-09-25 00:05:35,167 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 186.
[2020-09-25 00:05:35,167 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 186 states.
[2020-09-25 00:05:35,168 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 192 transitions.
[2020-09-25 00:05:35,168 INFO  L78                 Accepts]: Start accepts. Automaton has 186 states and 192 transitions. Word has length 66
[2020-09-25 00:05:35,169 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 00:05:35,169 INFO  L479      AbstractCegarLoop]: Abstraction has 186 states and 192 transitions.
[2020-09-25 00:05:35,169 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-25 00:05:35,169 INFO  L276                IsEmpty]: Start isEmpty. Operand 186 states and 192 transitions.
[2020-09-25 00:05:35,170 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 72
[2020-09-25 00:05:35,170 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 00:05:35,170 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]
[2020-09-25 00:05:35,170 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2020-09-25 00:05:35,170 INFO  L427      AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 00:05:35,171 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 00:05:35,171 INFO  L82        PathProgramCache]: Analyzing trace with hash -1574098677, now seen corresponding path program 1 times
[2020-09-25 00:05:35,171 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 00:05:35,171 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1127557028]
[2020-09-25 00:05:35,171 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 00:05:35,183 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:05:35,193 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:35,210 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:35,251 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:35,661 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:37,539 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:05:37,539 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 78
[2020-09-25 00:05:37,540 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 4
[2020-09-25 00:05:37,540 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2355
[2020-09-25 00:05:37,540 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:05:37,540 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 10
[2020-09-25 00:05:37,540 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 20
[2020-09-25 00:05:37,540 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 57
[2020-09-25 00:05:37,541 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:05:37,641 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 00:05:37,643 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:05:37,644 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:37,646 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:05:37,646 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 00:05:37,646 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:05:37,646 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 00:05:37,647 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:05:37,647 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:05:37,647 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:05:37,647 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:05:37,648 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 00:05:37,664 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 00:05:37,665 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1127557028]
[2020-09-25 00:05:37,665 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 00:05:37,665 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-25 00:05:37,671 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973203981]
[2020-09-25 00:05:37,674 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-25 00:05:37,674 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 00:05:37,674 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-25 00:05:37,675 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-09-25 00:05:37,675 INFO  L87              Difference]: Start difference. First operand 186 states and 192 transitions. Second operand 8 states.
[2020-09-25 00:05:38,193 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 00:05:38,194 INFO  L93              Difference]: Finished difference Result 186 states and 192 transitions.
[2020-09-25 00:05:38,194 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2020-09-25 00:05:38,195 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 71
[2020-09-25 00:05:38,195 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 00:05:38,196 INFO  L225             Difference]: With dead ends: 186
[2020-09-25 00:05:38,197 INFO  L226             Difference]: Without dead ends: 174
[2020-09-25 00:05:38,199 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182
[2020-09-25 00:05:38,200 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 174 states.
[2020-09-25 00:05:38,208 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174.
[2020-09-25 00:05:38,208 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 174 states.
[2020-09-25 00:05:38,209 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 180 transitions.
[2020-09-25 00:05:38,210 INFO  L78                 Accepts]: Start accepts. Automaton has 174 states and 180 transitions. Word has length 71
[2020-09-25 00:05:38,210 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 00:05:38,210 INFO  L479      AbstractCegarLoop]: Abstraction has 174 states and 180 transitions.
[2020-09-25 00:05:38,211 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-25 00:05:38,211 INFO  L276                IsEmpty]: Start isEmpty. Operand 174 states and 180 transitions.
[2020-09-25 00:05:38,212 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 72
[2020-09-25 00:05:38,212 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 00:05:38,212 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]
[2020-09-25 00:05:38,212 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2020-09-25 00:05:38,213 INFO  L427      AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 00:05:38,213 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 00:05:38,213 INFO  L82        PathProgramCache]: Analyzing trace with hash -1231856020, now seen corresponding path program 1 times
[2020-09-25 00:05:38,214 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 00:05:38,214 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1175305531]
[2020-09-25 00:05:38,214 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 00:05:38,229 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:05:38,240 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:38,292 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:38,415 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:41,770 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:05:41,770 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 78
[2020-09-25 00:05:41,770 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 00:05:41,770 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3540
[2020-09-25 00:05:41,770 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:05:41,771 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 10
[2020-09-25 00:05:41,771 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 20
[2020-09-25 00:05:41,771 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 57
[2020-09-25 00:05:41,771 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:05:41,886 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 00:05:41,888 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:05:41,889 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:41,890 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:05:41,890 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 00:05:41,891 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:05:41,891 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 00:05:41,891 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:05:41,892 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:05:41,892 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:05:41,892 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:05:41,892 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 00:05:41,902 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 00:05:41,903 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1175305531]
[2020-09-25 00:05:41,903 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 00:05:41,903 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-25 00:05:41,904 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207986039]
[2020-09-25 00:05:41,905 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-25 00:05:41,905 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 00:05:41,906 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-25 00:05:41,906 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-09-25 00:05:41,906 INFO  L87              Difference]: Start difference. First operand 174 states and 180 transitions. Second operand 8 states.
[2020-09-25 00:05:42,420 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 00:05:42,420 INFO  L93              Difference]: Finished difference Result 225 states and 233 transitions.
[2020-09-25 00:05:42,421 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2020-09-25 00:05:42,421 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 71
[2020-09-25 00:05:42,422 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 00:05:42,423 INFO  L225             Difference]: With dead ends: 225
[2020-09-25 00:05:42,424 INFO  L226             Difference]: Without dead ends: 223
[2020-09-25 00:05:42,424 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240
[2020-09-25 00:05:42,425 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 223 states.
[2020-09-25 00:05:42,433 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 162.
[2020-09-25 00:05:42,434 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 162 states.
[2020-09-25 00:05:42,436 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 168 transitions.
[2020-09-25 00:05:42,436 INFO  L78                 Accepts]: Start accepts. Automaton has 162 states and 168 transitions. Word has length 71
[2020-09-25 00:05:42,437 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 00:05:42,437 INFO  L479      AbstractCegarLoop]: Abstraction has 162 states and 168 transitions.
[2020-09-25 00:05:42,437 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-25 00:05:42,437 INFO  L276                IsEmpty]: Start isEmpty. Operand 162 states and 168 transitions.
[2020-09-25 00:05:42,438 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 79
[2020-09-25 00:05:42,439 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 00:05:42,439 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]
[2020-09-25 00:05:42,439 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2020-09-25 00:05:42,440 INFO  L427      AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 00:05:42,440 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 00:05:42,440 INFO  L82        PathProgramCache]: Analyzing trace with hash -1568339750, now seen corresponding path program 1 times
[2020-09-25 00:05:42,440 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 00:05:42,441 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1237047938]
[2020-09-25 00:05:42,441 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 00:05:42,466 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:05:42,481 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:42,542 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:42,594 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:45,854 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:05:45,854 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 00:05:45,855 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 00:05:45,855 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3385
[2020-09-25 00:05:45,855 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:05:45,855 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 10
[2020-09-25 00:05:45,855 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 20
[2020-09-25 00:05:45,855 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 64
[2020-09-25 00:05:45,856 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:05:45,953 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 00:05:45,954 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:05:45,956 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:45,957 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:05:45,957 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 00:05:45,957 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:05:45,957 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 00:05:45,958 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:05:45,958 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:05:45,958 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:05:45,958 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:05:45,958 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:05:45,970 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 00:05:45,970 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1237047938]
[2020-09-25 00:05:45,970 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 00:05:45,971 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-25 00:05:45,971 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277770660]
[2020-09-25 00:05:45,971 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-25 00:05:45,972 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 00:05:45,972 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-25 00:05:45,972 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-09-25 00:05:45,972 INFO  L87              Difference]: Start difference. First operand 162 states and 168 transitions. Second operand 8 states.
[2020-09-25 00:05:46,517 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 00:05:46,517 INFO  L93              Difference]: Finished difference Result 210 states and 218 transitions.
[2020-09-25 00:05:46,518 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2020-09-25 00:05:46,518 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 78
[2020-09-25 00:05:46,518 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 00:05:46,520 INFO  L225             Difference]: With dead ends: 210
[2020-09-25 00:05:46,520 INFO  L226             Difference]: Without dead ends: 208
[2020-09-25 00:05:46,520 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240
[2020-09-25 00:05:46,521 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 208 states.
[2020-09-25 00:05:46,525 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 145.
[2020-09-25 00:05:46,526 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 145 states.
[2020-09-25 00:05:46,527 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 150 transitions.
[2020-09-25 00:05:46,527 INFO  L78                 Accepts]: Start accepts. Automaton has 145 states and 150 transitions. Word has length 78
[2020-09-25 00:05:46,527 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 00:05:46,527 INFO  L479      AbstractCegarLoop]: Abstraction has 145 states and 150 transitions.
[2020-09-25 00:05:46,527 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-25 00:05:46,527 INFO  L276                IsEmpty]: Start isEmpty. Operand 145 states and 150 transitions.
[2020-09-25 00:05:46,528 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 79
[2020-09-25 00:05:46,528 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 00:05:46,528 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]
[2020-09-25 00:05:46,529 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2020-09-25 00:05:46,529 INFO  L427      AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 00:05:46,529 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 00:05:46,529 INFO  L82        PathProgramCache]: Analyzing trace with hash -1882869199, now seen corresponding path program 1 times
[2020-09-25 00:05:46,529 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 00:05:46,530 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [387592243]
[2020-09-25 00:05:46,530 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 00:05:46,539 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:05:46,551 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:46,602 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:46,642 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:49,735 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:05:49,736 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 00:05:49,736 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 00:05:49,736 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3195
[2020-09-25 00:05:49,736 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:05:49,736 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 10
[2020-09-25 00:05:49,736 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 20
[2020-09-25 00:05:49,736 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 64
[2020-09-25 00:05:49,737 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:05:49,833 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 00:05:49,834 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:05:49,835 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:05:49,836 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:05:49,837 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 00:05:49,837 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:05:49,837 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 00:05:49,837 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:05:49,837 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:05:49,837 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:05:49,837 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:05:49,837 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:05:49,845 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 00:05:49,845 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [387592243]
[2020-09-25 00:05:49,845 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 00:05:49,845 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-25 00:05:49,845 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378050062]
[2020-09-25 00:05:49,846 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-25 00:05:49,846 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 00:05:49,846 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-25 00:05:49,846 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-09-25 00:05:49,846 INFO  L87              Difference]: Start difference. First operand 145 states and 150 transitions. Second operand 8 states.
[2020-09-25 00:05:50,312 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 00:05:50,313 INFO  L93              Difference]: Finished difference Result 145 states and 150 transitions.
[2020-09-25 00:05:50,313 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2020-09-25 00:05:50,313 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 78
[2020-09-25 00:05:50,314 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 00:05:50,314 INFO  L225             Difference]: With dead ends: 145
[2020-09-25 00:05:50,314 INFO  L226             Difference]: Without dead ends: 0
[2020-09-25 00:05:50,315 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182
[2020-09-25 00:05:50,316 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-09-25 00:05:50,316 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-09-25 00:05:50,316 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-09-25 00:05:50,316 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-09-25 00:05:50,316 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 78
[2020-09-25 00:05:50,316 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 00:05:50,316 INFO  L479      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-09-25 00:05:50,317 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-25 00:05:50,317 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-09-25 00:05:50,317 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-09-25 00:05:50,317 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2020-09-25 00:05:50,320 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-09-25 00:05:50,529 WARN  L193               SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 42
[2020-09-25 00:05:50,697 WARN  L193               SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 54
[2020-09-25 00:05:50,801 WARN  L193               SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 15
[2020-09-25 00:05:50,914 WARN  L193               SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 33
[2020-09-25 00:05:51,153 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initFINAL(line -1)  no Hoare annotation was computed.
[2020-09-25 00:05:51,153 INFO  L268        CegarLoopResult]: For program point  L12(line 12)  no Hoare annotation was computed.
[2020-09-25 00:05:51,153 INFO  L268        CegarLoopResult]: For program point  L11(line 11)  no Hoare annotation was computed.
[2020-09-25 00:05:51,153 INFO  L268        CegarLoopResult]: For program point  L10(line 10)  no Hoare annotation was computed.
[2020-09-25 00:05:51,154 INFO  L264        CegarLoopResult]: At program point  ULTIMATE.initENTRY(line -1)  the Hoare annotation is:  (and (= ~__tmp_383_0~0 |old(~__tmp_383_0~0)|) (= ~__tmp_259_0~0 |old(~__tmp_259_0~0)|) (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_305~0 |old(~__return_305~0)|))
[2020-09-25 00:05:51,154 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initEXIT(line -1)  no Hoare annotation was computed.
[2020-09-25 00:05:51,154 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2020-09-25 00:05:51,154 INFO  L271        CegarLoopResult]: At program point  L-1(line -1)  the Hoare annotation is:  true
[2020-09-25 00:05:51,154 INFO  L271        CegarLoopResult]: At program point  ULTIMATE.startENTRY(line -1)  the Hoare annotation is:  true
[2020-09-25 00:05:51,154 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2020-09-25 00:05:51,154 INFO  L268        CegarLoopResult]: For program point  assume_abort_if_notENTRY(lines 4 6)  no Hoare annotation was computed.
[2020-09-25 00:05:51,154 INFO  L268        CegarLoopResult]: For program point  L5(line 5)  no Hoare annotation was computed.
[2020-09-25 00:05:51,155 INFO  L268        CegarLoopResult]: For program point  L5-1(line 5)  no Hoare annotation was computed.
[2020-09-25 00:05:51,155 INFO  L268        CegarLoopResult]: For program point  L5-3(lines 4 6)  no Hoare annotation was computed.
[2020-09-25 00:05:51,155 INFO  L268        CegarLoopResult]: For program point  assume_abort_if_notEXIT(lines 4 6)  no Hoare annotation was computed.
[2020-09-25 00:05:51,155 INFO  L268        CegarLoopResult]: For program point  mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 112)  no Hoare annotation was computed.
[2020-09-25 00:05:51,155 INFO  L264        CegarLoopResult]: At program point  L382(lines 280 389)  the Hoare annotation is:  (and (not (= main_~__tmp_14~0 0)) (<= (+ main_~main__t~0 1) main_~main__tagbuf_len~0) (not (= main_~__VERIFIER_assert__cond~13 0)) (<= 0 main_~main__t~0))
[2020-09-25 00:05:51,155 INFO  L264        CegarLoopResult]: At program point  L349(lines 30 393)  the Hoare annotation is:  (and (<= (+ main_~main__t~0 1) main_~main__tagbuf_len~0) (<= 0 main_~main__t~0))
[2020-09-25 00:05:51,155 INFO  L268        CegarLoopResult]: For program point  L217(line 217)  no Hoare annotation was computed.
[2020-09-25 00:05:51,156 INFO  L268        CegarLoopResult]: For program point  mainEXIT(lines 13 400)  no Hoare annotation was computed.
[2020-09-25 00:05:51,156 INFO  L268        CegarLoopResult]: For program point  L184(lines 184 194)  no Hoare annotation was computed.
[2020-09-25 00:05:51,156 INFO  L268        CegarLoopResult]: For program point  L118(line 118)  no Hoare annotation was computed.
[2020-09-25 00:05:51,156 INFO  L268        CegarLoopResult]: For program point  L234(line 234)  no Hoare annotation was computed.
[2020-09-25 00:05:51,156 INFO  L268        CegarLoopResult]: For program point  L135(line 135)  no Hoare annotation was computed.
[2020-09-25 00:05:51,156 INFO  L268        CegarLoopResult]: For program point  L102(line 102)  no Hoare annotation was computed.
[2020-09-25 00:05:51,156 INFO  L268        CegarLoopResult]: For program point  L102-1(line 102)  no Hoare annotation was computed.
[2020-09-25 00:05:51,157 INFO  L268        CegarLoopResult]: For program point  L36(line 36)  no Hoare annotation was computed.
[2020-09-25 00:05:51,157 INFO  L268        CegarLoopResult]: For program point  L102-2(line 102)  no Hoare annotation was computed.
[2020-09-25 00:05:51,157 INFO  L268        CegarLoopResult]: For program point  L284(line 284)  no Hoare annotation was computed.
[2020-09-25 00:05:51,157 INFO  L268        CegarLoopResult]: For program point  L218(line 218)  no Hoare annotation was computed.
[2020-09-25 00:05:51,157 INFO  L268        CegarLoopResult]: For program point  L152(line 152)  no Hoare annotation was computed.
[2020-09-25 00:05:51,157 INFO  L268        CegarLoopResult]: For program point  L119(line 119)  no Hoare annotation was computed.
[2020-09-25 00:05:51,157 INFO  L268        CegarLoopResult]: For program point  L20(line 20)  no Hoare annotation was computed.
[2020-09-25 00:05:51,157 INFO  L268        CegarLoopResult]: For program point  L301(line 301)  no Hoare annotation was computed.
[2020-09-25 00:05:51,158 INFO  L268        CegarLoopResult]: For program point  mainErr14ASSERT_VIOLATIONERROR_FUNCTION(line 331)  no Hoare annotation was computed.
[2020-09-25 00:05:51,158 INFO  L268        CegarLoopResult]: For program point  L235(line 235)  no Hoare annotation was computed.
[2020-09-25 00:05:51,158 INFO  L268        CegarLoopResult]: For program point  L169(line 169)  no Hoare annotation was computed.
[2020-09-25 00:05:51,158 INFO  L268        CegarLoopResult]: For program point  L136(line 136)  no Hoare annotation was computed.
[2020-09-25 00:05:51,158 INFO  L268        CegarLoopResult]: For program point  L103(lines 103 207)  no Hoare annotation was computed.
[2020-09-25 00:05:51,158 INFO  L268        CegarLoopResult]: For program point  L70(line 70)  no Hoare annotation was computed.
[2020-09-25 00:05:51,158 INFO  L268        CegarLoopResult]: For program point  L37(lines 37 253)  no Hoare annotation was computed.
[2020-09-25 00:05:51,159 INFO  L268        CegarLoopResult]: For program point  L285(line 285)  no Hoare annotation was computed.
[2020-09-25 00:05:51,159 INFO  L268        CegarLoopResult]: For program point  L219(line 219)  no Hoare annotation was computed.
[2020-09-25 00:05:51,159 INFO  L268        CegarLoopResult]: For program point  L186(line 186)  no Hoare annotation was computed.
[2020-09-25 00:05:51,159 INFO  L268        CegarLoopResult]: For program point  L153(line 153)  no Hoare annotation was computed.
[2020-09-25 00:05:51,159 INFO  L268        CegarLoopResult]: For program point  L120(line 120)  no Hoare annotation was computed.
[2020-09-25 00:05:51,159 INFO  L268        CegarLoopResult]: For program point  L21(line 21)  no Hoare annotation was computed.
[2020-09-25 00:05:51,159 INFO  L268        CegarLoopResult]: For program point  L302(line 302)  no Hoare annotation was computed.
[2020-09-25 00:05:51,159 INFO  L268        CegarLoopResult]: For program point  mainFINAL(lines 13 400)  no Hoare annotation was computed.
[2020-09-25 00:05:51,159 INFO  L268        CegarLoopResult]: For program point  mainErr13ASSERT_VIOLATIONERROR_FUNCTION(line 307)  no Hoare annotation was computed.
[2020-09-25 00:05:51,160 INFO  L268        CegarLoopResult]: For program point  L170(line 170)  no Hoare annotation was computed.
[2020-09-25 00:05:51,160 INFO  L268        CegarLoopResult]: For program point  L137(line 137)  no Hoare annotation was computed.
[2020-09-25 00:05:51,160 INFO  L268        CegarLoopResult]: For program point  L71(line 71)  no Hoare annotation was computed.
[2020-09-25 00:05:51,160 INFO  L268        CegarLoopResult]: For program point  L286(lines 286 388)  no Hoare annotation was computed.
[2020-09-25 00:05:51,160 INFO  L268        CegarLoopResult]: For program point  L220(lines 220 242)  no Hoare annotation was computed.
[2020-09-25 00:05:51,160 INFO  L268        CegarLoopResult]: For program point  L187(line 187)  no Hoare annotation was computed.
[2020-09-25 00:05:51,160 INFO  L268        CegarLoopResult]: For program point  L121(line 121)  no Hoare annotation was computed.
[2020-09-25 00:05:51,161 INFO  L268        CegarLoopResult]: For program point  L55(line 55)  no Hoare annotation was computed.
[2020-09-25 00:05:51,161 INFO  L268        CegarLoopResult]: For program point  L22(lines 22 394)  no Hoare annotation was computed.
[2020-09-25 00:05:51,161 INFO  L268        CegarLoopResult]: For program point  L303(line 303)  no Hoare annotation was computed.
[2020-09-25 00:05:51,161 INFO  L268        CegarLoopResult]: For program point  L270(line 270)  no Hoare annotation was computed.
[2020-09-25 00:05:51,161 INFO  L268        CegarLoopResult]: For program point  L171(line 171)  no Hoare annotation was computed.
[2020-09-25 00:05:51,161 INFO  L268        CegarLoopResult]: For program point  mainErr8ASSERT_VIOLATIONERROR_FUNCTION(line 186)  no Hoare annotation was computed.
[2020-09-25 00:05:51,161 INFO  L268        CegarLoopResult]: For program point  L138(lines 138 160)  no Hoare annotation was computed.
[2020-09-25 00:05:51,162 INFO  L268        CegarLoopResult]: For program point  L39(line 39)  no Hoare annotation was computed.
[2020-09-25 00:05:51,162 INFO  L268        CegarLoopResult]: For program point  L320(line 320)  no Hoare annotation was computed.
[2020-09-25 00:05:51,162 INFO  L268        CegarLoopResult]: For program point  L122(lines 122 199)  no Hoare annotation was computed.
[2020-09-25 00:05:51,162 INFO  L268        CegarLoopResult]: For program point  L89(line 89)  no Hoare annotation was computed.
[2020-09-25 00:05:51,162 INFO  L268        CegarLoopResult]: For program point  L370(line 370)  no Hoare annotation was computed.
[2020-09-25 00:05:51,162 INFO  L268        CegarLoopResult]: For program point  L337(line 337)  no Hoare annotation was computed.
[2020-09-25 00:05:51,162 INFO  L268        CegarLoopResult]: For program point  L304(line 304)  no Hoare annotation was computed.
[2020-09-25 00:05:51,162 INFO  L268        CegarLoopResult]: For program point  L271(line 271)  no Hoare annotation was computed.
[2020-09-25 00:05:51,163 INFO  L268        CegarLoopResult]: For program point  mainErr15ASSERT_VIOLATIONERROR_FUNCTION(line 343)  no Hoare annotation was computed.
[2020-09-25 00:05:51,163 INFO  L268        CegarLoopResult]: For program point  L172(lines 172 196)  no Hoare annotation was computed.
[2020-09-25 00:05:51,163 INFO  L268        CegarLoopResult]: For program point  L106(line 106)  no Hoare annotation was computed.
[2020-09-25 00:05:51,163 INFO  L268        CegarLoopResult]: For program point  L321(line 321)  no Hoare annotation was computed.
[2020-09-25 00:05:51,163 INFO  L268        CegarLoopResult]: For program point  L321-1(line 321)  no Hoare annotation was computed.
[2020-09-25 00:05:51,163 INFO  L268        CegarLoopResult]: For program point  L321-2(line 321)  no Hoare annotation was computed.
[2020-09-25 00:05:51,163 INFO  L268        CegarLoopResult]: For program point  L222(line 222)  no Hoare annotation was computed.
[2020-09-25 00:05:51,163 INFO  L268        CegarLoopResult]: For program point  L24(line 24)  no Hoare annotation was computed.
[2020-09-25 00:05:51,163 INFO  L268        CegarLoopResult]: For program point  L371(line 371)  no Hoare annotation was computed.
[2020-09-25 00:05:51,164 INFO  L268        CegarLoopResult]: For program point  L338(line 338)  no Hoare annotation was computed.
[2020-09-25 00:05:51,164 INFO  L268        CegarLoopResult]: For program point  L305(lines 305 313)  no Hoare annotation was computed.
[2020-09-25 00:05:51,164 INFO  L268        CegarLoopResult]: For program point  L272(line 272)  no Hoare annotation was computed.
[2020-09-25 00:05:51,164 INFO  L268        CegarLoopResult]: For program point  L140(line 140)  no Hoare annotation was computed.
[2020-09-25 00:05:51,164 INFO  L268        CegarLoopResult]: For program point  L107(line 107)  no Hoare annotation was computed.
[2020-09-25 00:05:51,164 INFO  L268        CegarLoopResult]: For program point  mainErr10ASSERT_VIOLATIONERROR_FUNCTION(line 234)  no Hoare annotation was computed.
[2020-09-25 00:05:51,164 INFO  L268        CegarLoopResult]: For program point  L322(lines 322 387)  no Hoare annotation was computed.
[2020-09-25 00:05:51,165 INFO  L268        CegarLoopResult]: For program point  L289(line 289)  no Hoare annotation was computed.
[2020-09-25 00:05:51,165 INFO  L268        CegarLoopResult]: For program point  L223(line 223)  no Hoare annotation was computed.
[2020-09-25 00:05:51,165 INFO  L268        CegarLoopResult]: For program point  L124(line 124)  no Hoare annotation was computed.
[2020-09-25 00:05:51,165 INFO  L268        CegarLoopResult]: For program point  L58(line 58)  no Hoare annotation was computed.
[2020-09-25 00:05:51,165 INFO  L268        CegarLoopResult]: For program point  L372(line 372)  no Hoare annotation was computed.
[2020-09-25 00:05:51,165 INFO  L268        CegarLoopResult]: For program point  L339(line 339)  no Hoare annotation was computed.
[2020-09-25 00:05:51,165 INFO  L268        CegarLoopResult]: For program point  L273(line 273)  no Hoare annotation was computed.
[2020-09-25 00:05:51,166 INFO  L268        CegarLoopResult]: For program point  L174(line 174)  no Hoare annotation was computed.
[2020-09-25 00:05:51,166 INFO  L268        CegarLoopResult]: For program point  L141(line 141)  no Hoare annotation was computed.
[2020-09-25 00:05:51,166 INFO  L268        CegarLoopResult]: For program point  mainErr9ASSERT_VIOLATIONERROR_FUNCTION(line 222)  no Hoare annotation was computed.
[2020-09-25 00:05:51,166 INFO  L268        CegarLoopResult]: For program point  L108(line 108)  no Hoare annotation was computed.
[2020-09-25 00:05:51,166 INFO  L268        CegarLoopResult]: For program point  L290(line 290)  no Hoare annotation was computed.
[2020-09-25 00:05:51,166 INFO  L268        CegarLoopResult]: For program point  L191(line 191)  no Hoare annotation was computed.
[2020-09-25 00:05:51,167 INFO  L268        CegarLoopResult]: For program point  mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 124)  no Hoare annotation was computed.
[2020-09-25 00:05:51,167 INFO  L268        CegarLoopResult]: For program point  L125(line 125)  no Hoare annotation was computed.
[2020-09-25 00:05:51,167 INFO  L268        CegarLoopResult]: For program point  L59(line 59)  no Hoare annotation was computed.
[2020-09-25 00:05:51,167 INFO  L268        CegarLoopResult]: For program point  L373(line 373)  no Hoare annotation was computed.
[2020-09-25 00:05:51,167 INFO  L268        CegarLoopResult]: For program point  L340(line 340)  no Hoare annotation was computed.
[2020-09-25 00:05:51,167 INFO  L268        CegarLoopResult]: For program point  L307(line 307)  no Hoare annotation was computed.
[2020-09-25 00:05:51,167 INFO  L268        CegarLoopResult]: For program point  L274(lines 274 389)  no Hoare annotation was computed.
[2020-09-25 00:05:51,167 INFO  L268        CegarLoopResult]: For program point  L175(line 175)  no Hoare annotation was computed.
[2020-09-25 00:05:51,168 INFO  L268        CegarLoopResult]: For program point  L109(line 109)  no Hoare annotation was computed.
[2020-09-25 00:05:51,168 INFO  L268        CegarLoopResult]: For program point  L76(line 76)  no Hoare annotation was computed.
[2020-09-25 00:05:51,169 INFO  L268        CegarLoopResult]: For program point  L291(line 291)  no Hoare annotation was computed.
[2020-09-25 00:05:51,169 INFO  L268        CegarLoopResult]: For program point  L192(line 192)  no Hoare annotation was computed.
[2020-09-25 00:05:51,169 INFO  L268        CegarLoopResult]: For program point  L374(lines 374 383)  no Hoare annotation was computed.
[2020-09-25 00:05:51,169 INFO  L268        CegarLoopResult]: For program point  L341(lines 341 350)  no Hoare annotation was computed.
[2020-09-25 00:05:51,169 INFO  L268        CegarLoopResult]: For program point  L308(line 308)  no Hoare annotation was computed.
[2020-09-25 00:05:51,169 INFO  L268        CegarLoopResult]: For program point  L110(lines 110 201)  no Hoare annotation was computed.
[2020-09-25 00:05:51,170 INFO  L268        CegarLoopResult]: For program point  L77(line 77)  no Hoare annotation was computed.
[2020-09-25 00:05:51,170 INFO  L268        CegarLoopResult]: For program point  L44(line 44)  no Hoare annotation was computed.
[2020-09-25 00:05:51,170 INFO  L268        CegarLoopResult]: For program point  mainErr11ASSERT_VIOLATIONERROR_FUNCTION(line 276)  no Hoare annotation was computed.
[2020-09-25 00:05:51,170 INFO  L268        CegarLoopResult]: For program point  L358(line 358)  no Hoare annotation was computed.
[2020-09-25 00:05:51,170 INFO  L268        CegarLoopResult]: For program point  L325(line 325)  no Hoare annotation was computed.
[2020-09-25 00:05:51,170 INFO  L268        CegarLoopResult]: For program point  L292(line 292)  no Hoare annotation was computed.
[2020-09-25 00:05:51,170 INFO  L268        CegarLoopResult]: For program point  L259(line 259)  no Hoare annotation was computed.
[2020-09-25 00:05:51,171 INFO  L264        CegarLoopResult]: At program point  L193(lines 54 251)  the Hoare annotation is:  (and (<= 1 main_~main__t~0) (< main_~main__t~0 (+ main_~main__tagbuf_len~0 1)))
[2020-09-25 00:05:51,171 INFO  L268        CegarLoopResult]: For program point  L28(line 28)  no Hoare annotation was computed.
[2020-09-25 00:05:51,171 INFO  L268        CegarLoopResult]: For program point  mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 152)  no Hoare annotation was computed.
[2020-09-25 00:05:51,171 INFO  L268        CegarLoopResult]: For program point  L276(line 276)  no Hoare annotation was computed.
[2020-09-25 00:05:51,171 INFO  L268        CegarLoopResult]: For program point  L78(line 78)  no Hoare annotation was computed.
[2020-09-25 00:05:51,171 INFO  L268        CegarLoopResult]: For program point  L45(line 45)  no Hoare annotation was computed.
[2020-09-25 00:05:51,171 INFO  L268        CegarLoopResult]: For program point  L359(line 359)  no Hoare annotation was computed.
[2020-09-25 00:05:51,171 INFO  L268        CegarLoopResult]: For program point  L326(line 326)  no Hoare annotation was computed.
[2020-09-25 00:05:51,171 INFO  L268        CegarLoopResult]: For program point  L293(lines 293 315)  no Hoare annotation was computed.
[2020-09-25 00:05:51,172 INFO  L268        CegarLoopResult]: For program point  L260(line 260)  no Hoare annotation was computed.
[2020-09-25 00:05:51,172 INFO  L268        CegarLoopResult]: For program point  L29(line 29)  no Hoare annotation was computed.
[2020-09-25 00:05:51,172 INFO  L268        CegarLoopResult]: For program point  L29-1(line 29)  no Hoare annotation was computed.
[2020-09-25 00:05:51,172 INFO  L268        CegarLoopResult]: For program point  L29-2(line 29)  no Hoare annotation was computed.
[2020-09-25 00:05:51,172 INFO  L268        CegarLoopResult]: For program point  L376(line 376)  no Hoare annotation was computed.
[2020-09-25 00:05:51,172 INFO  L268        CegarLoopResult]: For program point  mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 140)  no Hoare annotation was computed.
[2020-09-25 00:05:51,172 INFO  L268        CegarLoopResult]: For program point  L343(line 343)  no Hoare annotation was computed.
[2020-09-25 00:05:51,172 INFO  L268        CegarLoopResult]: For program point  L277(line 277)  no Hoare annotation was computed.
[2020-09-25 00:05:51,172 INFO  L268        CegarLoopResult]: For program point  L211(line 211)  no Hoare annotation was computed.
[2020-09-25 00:05:51,173 INFO  L268        CegarLoopResult]: For program point  L112(line 112)  no Hoare annotation was computed.
[2020-09-25 00:05:51,173 INFO  L268        CegarLoopResult]: For program point  L79(line 79)  no Hoare annotation was computed.
[2020-09-25 00:05:51,173 INFO  L268        CegarLoopResult]: For program point  L46(line 46)  no Hoare annotation was computed.
[2020-09-25 00:05:51,173 INFO  L268        CegarLoopResult]: For program point  L360(line 360)  no Hoare annotation was computed.
[2020-09-25 00:05:51,174 INFO  L268        CegarLoopResult]: For program point  L327(line 327)  no Hoare annotation was computed.
[2020-09-25 00:05:51,174 INFO  L268        CegarLoopResult]: For program point  L261(line 261)  no Hoare annotation was computed.
[2020-09-25 00:05:51,174 INFO  L268        CegarLoopResult]: For program point  L228(line 228)  no Hoare annotation was computed.
[2020-09-25 00:05:51,174 INFO  L268        CegarLoopResult]: For program point  L129(line 129)  no Hoare annotation was computed.
[2020-09-25 00:05:51,174 INFO  L268        CegarLoopResult]: For program point  mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 50)  no Hoare annotation was computed.
[2020-09-25 00:05:51,175 INFO  L268        CegarLoopResult]: For program point  L30(lines 30 393)  no Hoare annotation was computed.
[2020-09-25 00:05:51,175 INFO  L264        CegarLoopResult]: At program point  mainENTRY(lines 13 400)  the Hoare annotation is:  (and (= |old(~__tmp_259_0~0)| ~__tmp_259_0~0) (= |old(~__return_305~0)| ~__return_305~0) (= |old(~__tmp_383_0~0)| ~__tmp_383_0~0))
[2020-09-25 00:05:51,175 INFO  L268        CegarLoopResult]: For program point  L377(line 377)  no Hoare annotation was computed.
[2020-09-25 00:05:51,175 INFO  L268        CegarLoopResult]: For program point  L344(line 344)  no Hoare annotation was computed.
[2020-09-25 00:05:51,175 INFO  L268        CegarLoopResult]: For program point  L212(line 212)  no Hoare annotation was computed.
[2020-09-25 00:05:51,175 INFO  L268        CegarLoopResult]: For program point  L212-1(line 212)  no Hoare annotation was computed.
[2020-09-25 00:05:51,175 INFO  L268        CegarLoopResult]: For program point  L146(line 146)  no Hoare annotation was computed.
[2020-09-25 00:05:51,176 INFO  L268        CegarLoopResult]: For program point  L212-2(line 212)  no Hoare annotation was computed.
[2020-09-25 00:05:51,176 INFO  L268        CegarLoopResult]: For program point  L113(line 113)  no Hoare annotation was computed.
[2020-09-25 00:05:51,176 INFO  L268        CegarLoopResult]: For program point  L80(lines 80 90)  no Hoare annotation was computed.
[2020-09-25 00:05:51,176 INFO  L268        CegarLoopResult]: For program point  L47(line 47)  no Hoare annotation was computed.
[2020-09-25 00:05:51,176 INFO  L268        CegarLoopResult]: For program point  L361(line 361)  no Hoare annotation was computed.
[2020-09-25 00:05:51,177 INFO  L268        CegarLoopResult]: For program point  L328(line 328)  no Hoare annotation was computed.
[2020-09-25 00:05:51,177 INFO  L268        CegarLoopResult]: For program point  L295(line 295)  no Hoare annotation was computed.
[2020-09-25 00:05:51,177 INFO  L268        CegarLoopResult]: For program point  mainErr16ASSERT_VIOLATIONERROR_FUNCTION(line 364)  no Hoare annotation was computed.
[2020-09-25 00:05:51,177 INFO  L268        CegarLoopResult]: For program point  L262(line 262)  no Hoare annotation was computed.
[2020-09-25 00:05:51,177 INFO  L268        CegarLoopResult]: For program point  L229(line 229)  no Hoare annotation was computed.
[2020-09-25 00:05:51,177 INFO  L268        CegarLoopResult]: For program point  L130(line 130)  no Hoare annotation was computed.
[2020-09-25 00:05:51,177 INFO  L268        CegarLoopResult]: For program point  L97(line 97)  no Hoare annotation was computed.
[2020-09-25 00:05:51,177 INFO  L268        CegarLoopResult]: For program point  L64(line 64)  no Hoare annotation was computed.
[2020-09-25 00:05:51,177 INFO  L268        CegarLoopResult]: For program point  mainErr7ASSERT_VIOLATIONERROR_FUNCTION(line 174)  no Hoare annotation was computed.
[2020-09-25 00:05:51,178 INFO  L264        CegarLoopResult]: At program point  L312(lines 30 393)  the Hoare annotation is:  (<= main_~main__t~0 main_~main__tagbuf_len~0)
[2020-09-25 00:05:51,178 INFO  L268        CegarLoopResult]: For program point  L213(lines 213 248)  no Hoare annotation was computed.
[2020-09-25 00:05:51,178 INFO  L268        CegarLoopResult]: For program point  L180(line 180)  no Hoare annotation was computed.
[2020-09-25 00:05:51,178 INFO  L268        CegarLoopResult]: For program point  L147(line 147)  no Hoare annotation was computed.
[2020-09-25 00:05:51,178 INFO  L268        CegarLoopResult]: For program point  L48(lines 48 251)  no Hoare annotation was computed.
[2020-09-25 00:05:51,178 INFO  L268        CegarLoopResult]: For program point  L362(lines 362 385)  no Hoare annotation was computed.
[2020-09-25 00:05:51,179 INFO  L268        CegarLoopResult]: For program point  L329(lines 329 352)  no Hoare annotation was computed.
[2020-09-25 00:05:51,179 INFO  L268        CegarLoopResult]: For program point  L296(line 296)  no Hoare annotation was computed.
[2020-09-25 00:05:51,179 INFO  L268        CegarLoopResult]: For program point  L263(lines 263 391)  no Hoare annotation was computed.
[2020-09-25 00:05:51,179 INFO  L268        CegarLoopResult]: For program point  L230(line 230)  no Hoare annotation was computed.
[2020-09-25 00:05:51,179 INFO  L268        CegarLoopResult]: For program point  L131(lines 131 198)  no Hoare annotation was computed.
[2020-09-25 00:05:51,179 INFO  L268        CegarLoopResult]: For program point  L98(line 98)  no Hoare annotation was computed.
[2020-09-25 00:05:51,179 INFO  L268        CegarLoopResult]: For program point  L65(line 65)  no Hoare annotation was computed.
[2020-09-25 00:05:51,179 INFO  L268        CegarLoopResult]: For program point  L98-1(line 98)  no Hoare annotation was computed.
[2020-09-25 00:05:51,179 INFO  L268        CegarLoopResult]: For program point  L98-2(line 98)  no Hoare annotation was computed.
[2020-09-25 00:05:51,180 INFO  L268        CegarLoopResult]: For program point  mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 82)  no Hoare annotation was computed.
[2020-09-25 00:05:51,180 INFO  L264        CegarLoopResult]: At program point  L247(lines 99 249)  the Hoare annotation is:  (and (<= (+ main_~main__t~0 1) main_~main__tagbuf_len~0) (<= 1 main_~main__t~0))
[2020-09-25 00:05:51,180 INFO  L268        CegarLoopResult]: For program point  L181(line 181)  no Hoare annotation was computed.
[2020-09-25 00:05:51,180 INFO  L268        CegarLoopResult]: For program point  L148(line 148)  no Hoare annotation was computed.
[2020-09-25 00:05:51,180 INFO  L268        CegarLoopResult]: For program point  L82(line 82)  no Hoare annotation was computed.
[2020-09-25 00:05:51,180 INFO  L268        CegarLoopResult]: For program point  L16(line 16)  no Hoare annotation was computed.
[2020-09-25 00:05:51,180 INFO  L268        CegarLoopResult]: For program point  L231(line 231)  no Hoare annotation was computed.
[2020-09-25 00:05:51,181 INFO  L268        CegarLoopResult]: For program point  L99(lines 99 249)  no Hoare annotation was computed.
[2020-09-25 00:05:51,181 INFO  L268        CegarLoopResult]: For program point  L66(line 66)  no Hoare annotation was computed.
[2020-09-25 00:05:51,181 INFO  L268        CegarLoopResult]: For program point  L33(line 33)  no Hoare annotation was computed.
[2020-09-25 00:05:51,181 INFO  L268        CegarLoopResult]: For program point  mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 70)  no Hoare annotation was computed.
[2020-09-25 00:05:51,181 INFO  L268        CegarLoopResult]: For program point  L281(line 281)  no Hoare annotation was computed.
[2020-09-25 00:05:51,181 INFO  L268        CegarLoopResult]: For program point  L182(line 182)  no Hoare annotation was computed.
[2020-09-25 00:05:51,181 INFO  L268        CegarLoopResult]: For program point  L149(line 149)  no Hoare annotation was computed.
[2020-09-25 00:05:51,181 INFO  L268        CegarLoopResult]: For program point  L83(line 83)  no Hoare annotation was computed.
[2020-09-25 00:05:51,181 INFO  L268        CegarLoopResult]: For program point  L50(line 50)  no Hoare annotation was computed.
[2020-09-25 00:05:51,182 INFO  L268        CegarLoopResult]: For program point  L17(line 17)  no Hoare annotation was computed.
[2020-09-25 00:05:51,182 INFO  L268        CegarLoopResult]: For program point  L17-1(line 17)  no Hoare annotation was computed.
[2020-09-25 00:05:51,182 INFO  L268        CegarLoopResult]: For program point  L17-2(line 17)  no Hoare annotation was computed.
[2020-09-25 00:05:51,182 INFO  L268        CegarLoopResult]: For program point  L364(line 364)  no Hoare annotation was computed.
[2020-09-25 00:05:51,182 INFO  L268        CegarLoopResult]: For program point  L331(line 331)  no Hoare annotation was computed.
[2020-09-25 00:05:51,182 INFO  L268        CegarLoopResult]: For program point  L265(line 265)  no Hoare annotation was computed.
[2020-09-25 00:05:51,182 INFO  L268        CegarLoopResult]: For program point  L232(lines 232 240)  no Hoare annotation was computed.
[2020-09-25 00:05:51,182 INFO  L268        CegarLoopResult]: For program point  mainErr17ASSERT_VIOLATIONERROR_FUNCTION(line 376)  no Hoare annotation was computed.
[2020-09-25 00:05:51,183 INFO  L268        CegarLoopResult]: For program point  L67(line 67)  no Hoare annotation was computed.
[2020-09-25 00:05:51,183 INFO  L268        CegarLoopResult]: For program point  L34(line 34)  no Hoare annotation was computed.
[2020-09-25 00:05:51,183 INFO  L268        CegarLoopResult]: For program point  L381(line 381)  no Hoare annotation was computed.
[2020-09-25 00:05:51,183 INFO  L268        CegarLoopResult]: For program point  L348(line 348)  no Hoare annotation was computed.
[2020-09-25 00:05:51,183 INFO  L268        CegarLoopResult]: For program point  L216(line 216)  no Hoare annotation was computed.
[2020-09-25 00:05:51,183 INFO  L268        CegarLoopResult]: For program point  L183(line 183)  no Hoare annotation was computed.
[2020-09-25 00:05:51,183 INFO  L268        CegarLoopResult]: For program point  L150(lines 150 158)  no Hoare annotation was computed.
[2020-09-25 00:05:51,183 INFO  L268        CegarLoopResult]: For program point  L51(line 51)  no Hoare annotation was computed.
[2020-09-25 00:05:51,183 INFO  L268        CegarLoopResult]: For program point  L18(lines 18 399)  no Hoare annotation was computed.
[2020-09-25 00:05:51,184 INFO  L268        CegarLoopResult]: For program point  mainErr12ASSERT_VIOLATIONERROR_FUNCTION(line 295)  no Hoare annotation was computed.
[2020-09-25 00:05:51,184 INFO  L268        CegarLoopResult]: For program point  L398(line 398)  no Hoare annotation was computed.
[2020-09-25 00:05:51,184 INFO  L268        CegarLoopResult]: For program point  L365(line 365)  no Hoare annotation was computed.
[2020-09-25 00:05:51,184 INFO  L268        CegarLoopResult]: For program point  L332(line 332)  no Hoare annotation was computed.
[2020-09-25 00:05:51,184 INFO  L268        CegarLoopResult]: For program point  L134(line 134)  no Hoare annotation was computed.
[2020-09-25 00:05:51,184 INFO  L268        CegarLoopResult]: For program point  L101(line 101)  no Hoare annotation was computed.
[2020-09-25 00:05:51,184 INFO  L268        CegarLoopResult]: For program point  L68(lines 68 92)  no Hoare annotation was computed.
[2020-09-25 00:05:51,184 INFO  L268        CegarLoopResult]: For program point  L35(line 35)  no Hoare annotation was computed.
[2020-09-25 00:05:51,220 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 12:05:51 BoogieIcfgContainer
[2020-09-25 00:05:51,220 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-25 00:05:51,229 INFO  L168              Benchmark]: Toolchain (without parser) took 45974.49 ms. Allocated memory was 140.0 MB in the beginning and 432.5 MB in the end (delta: 292.6 MB). Free memory was 101.8 MB in the beginning and 278.7 MB in the end (delta: -176.8 MB). Peak memory consumption was 115.7 MB. Max. memory is 7.1 GB.
[2020-09-25 00:05:51,230 INFO  L168              Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 120.3 MB in the beginning and 120.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-09-25 00:05:51,231 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 410.32 ms. Allocated memory is still 140.0 MB. Free memory was 101.2 MB in the beginning and 87.9 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB.
[2020-09-25 00:05:51,239 INFO  L168              Benchmark]: Boogie Preprocessor took 126.07 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 87.9 MB in the beginning and 179.7 MB in the end (delta: -91.9 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB.
[2020-09-25 00:05:51,240 INFO  L168              Benchmark]: RCFGBuilder took 747.27 ms. Allocated memory is still 202.4 MB. Free memory was 179.7 MB in the beginning and 142.5 MB in the end (delta: 37.3 MB). Peak memory consumption was 37.3 MB. Max. memory is 7.1 GB.
[2020-09-25 00:05:51,241 INFO  L168              Benchmark]: TraceAbstraction took 44678.83 ms. Allocated memory was 202.4 MB in the beginning and 432.5 MB in the end (delta: 230.2 MB). Free memory was 141.8 MB in the beginning and 278.7 MB in the end (delta: -136.9 MB). Peak memory consumption was 93.3 MB. Max. memory is 7.1 GB.
[2020-09-25 00:05:51,245 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 120.3 MB in the beginning and 120.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 410.32 ms. Allocated memory is still 140.0 MB. Free memory was 101.2 MB in the beginning and 87.9 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 126.07 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 87.9 MB in the beginning and 179.7 MB in the end (delta: -91.9 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 747.27 ms. Allocated memory is still 202.4 MB. Free memory was 179.7 MB in the beginning and 142.5 MB in the end (delta: 37.3 MB). Peak memory consumption was 37.3 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 44678.83 ms. Allocated memory was 202.4 MB in the beginning and 432.5 MB in the end (delta: 230.2 MB). Free memory was 141.8 MB in the beginning and 278.7 MB in the end (delta: -136.9 MB). Peak memory consumption was 93.3 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 50]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - PositiveResult [Line: 343]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - PositiveResult [Line: 364]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - PositiveResult [Line: 174]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - PositiveResult [Line: 186]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - PositiveResult [Line: 307]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - PositiveResult [Line: 222]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - PositiveResult [Line: 234]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - PositiveResult [Line: 331]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - PositiveResult [Line: 295]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - PositiveResult [Line: 124]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - PositiveResult [Line: 276]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - PositiveResult [Line: 376]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - PositiveResult [Line: 82]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - PositiveResult [Line: 152]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - PositiveResult [Line: 140]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - PositiveResult [Line: 112]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - PositiveResult [Line: 70]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - AllSpecificationsHoldResult: All specifications hold
    18 specifications checked. All of them hold
  - InvariantResult [Line: 54]: Loop Invariant
    Derived loop invariant: 1 <= main__t && main__t < main__tagbuf_len + 1
  - InvariantResult [Line: 99]: Loop Invariant
    Derived loop invariant: main__t + 1 <= main__tagbuf_len && 1 <= main__t
  - InvariantResult [Line: 30]: Loop Invariant
    Derived loop invariant: main__t + 1 <= main__tagbuf_len && 0 <= main__t
  - InvariantResult [Line: 30]: Loop Invariant
    Derived loop invariant: main__t <= main__tagbuf_len
  - InvariantResult [Line: 280]: Loop Invariant
    Derived loop invariant: ((!(__tmp_14 == 0) && main__t + 1 <= main__tagbuf_len) && !(__VERIFIER_assert__cond == 0)) && 0 <= main__t
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 4 procedures, 228 locations, 18 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 43.6s, OverallIterations: 21, TraceHistogramMax: 1, AutomataDifference: 11.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3444 SDtfs, 7495 SDslu, 7203 SDs, 0 SdLazy, 8669 SolverSat, 264 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 340 GetRequests, 68 SyntacticMatches, 22 SemanticMatches, 250 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 395 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=223occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 21 MinimizatonAttempts, 1224 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 14 NumberOfFragments, 72 HoareAnnotationTreeSize, 9 FomulaSimplifications, 582743 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 9 FomulaSimplificationsInter, 4097 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 30.6s InterpolantComputationTime, 1147 NumberOfCodeBlocks, 1147 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 1126 ConstructedInterpolants, 0 QuantifiedInterpolants, 244539 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 21 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Received shutdown request...