/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=1.0 --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/SpamAssassin-loop.i.v+cfa-reducer.c


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


This is Ultimate 0.1.25-c90d42b
[2020-09-25 09:10:50,281 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-09-25 09:10:50,286 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
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[2020-09-25 09:10:50,315 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
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[2020-09-25 09:10:50,324 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 09:10:50,325 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 09:10:50,326 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 09:10:50,328 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 09:10:50,330 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 09:10:50,331 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 09:10:50,332 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 09:10:50,334 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 09:10:50,335 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 09:10:50,337 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2020-09-25 09:10:50,338 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 09:10:50,339 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
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[2020-09-25 09:10:50,344 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
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[2020-09-25 09:10:50,346 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2020-09-25 09:10:50,347 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 09:10:50,348 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-09-25 09:10:50,382 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-09-25 09:10:50,382 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 09:10:50,386 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 09:10:50,386 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-09-25 09:10:50,386 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-09-25 09:10:50,386 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 09:10:50,386 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-09-25 09:10:50,387 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-09-25 09:10:50,387 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-09-25 09:10:50,387 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-09-25 09:10:50,387 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 09:10:50,387 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 09:10:50,388 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 09:10:50,388 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-09-25 09:10:50,388 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-09-25 09:10:50,388 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-09-25 09:10:50,389 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-09-25 09:10:50,389 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 09:10:50,389 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-09-25 09:10:50,389 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-09-25 09:10:50,390 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-09-25 09:10:50,390 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 09:10:50,390 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 09:10:50,390 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 09:10:50,390 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 09:10:50,391 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-09-25 09:10:50,391 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 09:10:50,391 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 09:10:50,391 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-09-25 09:10:50,392 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=WIDESTAMONGSMALL;tolerance=1.0;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=WIDESTAMONGSMALL;tolerance=1.0;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=WIDESTAMONGSMALL;tolerance=1.0;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=WIDESTAMONGSMALL;tolerance=1.0;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=WIDESTAMONGSMALL;tolerance=1.0;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=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true;
[2020-09-25 09:10:50,890 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 09:10:50,914 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 09:10:50,919 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 09:10:50,921 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-09-25 09:10:50,921 INFO  L275        PluginConnector]: CDTParser initialized
[2020-09-25 09:10:50,922 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c
[2020-09-25 09:10:51,016 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d8cb9ce6a/e2d1d628b3424cfbafb4eb3aee454a8f/FLAG2613d6bfc
[2020-09-25 09:10:51,575 INFO  L306              CDTParser]: Found 1 translation units.
[2020-09-25 09:10:51,576 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c
[2020-09-25 09:10:51,593 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d8cb9ce6a/e2d1d628b3424cfbafb4eb3aee454a8f/FLAG2613d6bfc
[2020-09-25 09:10:51,903 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d8cb9ce6a/e2d1d628b3424cfbafb4eb3aee454a8f
[2020-09-25 09:10:51,916 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 09:10:51,922 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 09:10:51,926 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 09:10:51,926 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 09:10:51,931 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 09:10:51,932 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:10:51" (1/1) ...
[2020-09-25 09:10:51,940 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4815436f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:10:51, skipping insertion in model container
[2020-09-25 09:10:51,941 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:10:51" (1/1) ...
[2020-09-25 09:10:51,952 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-09-25 09:10:52,009 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-09-25 09:10:52,242 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 09:10:52,249 INFO  L203         MainTranslator]: Completed pre-run
[2020-09-25 09:10:52,288 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 09:10:52,307 INFO  L208         MainTranslator]: Completed translation
[2020-09-25 09:10:52,307 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:10:52 WrapperNode
[2020-09-25 09:10:52,307 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 09:10:52,308 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 09:10:52,309 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 09:10:52,309 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 09:10:52,411 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:10:52" (1/1) ...
[2020-09-25 09:10:52,411 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:10:52" (1/1) ...
[2020-09-25 09:10:52,418 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:10:52" (1/1) ...
[2020-09-25 09:10:52,419 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:10:52" (1/1) ...
[2020-09-25 09:10:52,426 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:10:52" (1/1) ...
[2020-09-25 09:10:52,430 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:10:52" (1/1) ...
[2020-09-25 09:10:52,432 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:10:52" (1/1) ...
[2020-09-25 09:10:52,435 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 09:10:52,436 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 09:10:52,436 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 09:10:52,436 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-09-25 09:10:52,437 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:10:52" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 09:10:52,509 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 09:10:52,510 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 09:10:52,510 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2020-09-25 09:10:52,510 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 09:10:52,510 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 09:10:52,510 INFO  L130     BoogieDeclarations]: Found specification of procedure abort
[2020-09-25 09:10:52,511 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2020-09-25 09:10:52,511 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2020-09-25 09:10:52,511 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 09:10:52,512 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-09-25 09:10:52,512 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 09:10:52,512 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 09:10:53,008 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 09:10:53,008 INFO  L295             CfgBuilder]: Removed 0 assume(true) statements.
[2020-09-25 09:10:53,015 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:10:53 BoogieIcfgContainer
[2020-09-25 09:10:53,016 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 09:10:53,017 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 09:10:53,017 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 09:10:53,021 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-09-25 09:10:53,021 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 09:10:51" (1/3) ...
[2020-09-25 09:10:53,022 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27cc1e17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:10:53, skipping insertion in model container
[2020-09-25 09:10:53,022 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:10:52" (2/3) ...
[2020-09-25 09:10:53,023 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27cc1e17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:10:53, skipping insertion in model container
[2020-09-25 09:10:53,023 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:10:53" (3/3) ...
[2020-09-25 09:10:53,026 INFO  L109   eAbstractionObserver]: Analyzing ICFG SpamAssassin-loop.i.v+cfa-reducer.c
[2020-09-25 09:10:53,035 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 09:10:53,046 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 16 error locations.
[2020-09-25 09:10:53,067 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 16 error locations.
[2020-09-25 09:10:53,101 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-09-25 09:10:53,102 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-09-25 09:10:53,102 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 09:10:53,102 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 09:10:53,102 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 09:10:53,102 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-09-25 09:10:53,103 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 09:10:53,103 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 09:10:53,129 INFO  L276                IsEmpty]: Start isEmpty. Operand 178 states.
[2020-09-25 09:10:53,136 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2020-09-25 09:10:53,136 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 09:10:53,138 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]
[2020-09-25 09:10:53,138 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_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, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 09:10:53,145 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 09:10:53,145 INFO  L82        PathProgramCache]: Analyzing trace with hash -2057699390, now seen corresponding path program 1 times
[2020-09-25 09:10:53,154 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 09:10:53,154 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [327770431]
[2020-09-25 09:10:53,155 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 09:10:53,284 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:10:53,314 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:10:53,382 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:10:53,723 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:10:53,724 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 37
[2020-09-25 09:10:53,724 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 09:10:53,724 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 434
[2020-09-25 09:10:53,728 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:10:53,728 FATAL L256   erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:10:53,729 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 09:10:53,729 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 26
[2020-09-25 09:10:53,729 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 10
[2020-09-25 09:10:53,730 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 4
[2020-09-25 09:10:53,818 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 09:10:53,821 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:10:53,823 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:10:53,826 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:10:53,826 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 09:10:53,827 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:10:53,827 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 09:10:53,827 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:10:53,827 FATAL L256   erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:10:53,828 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 09:10:53,828 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:10:53,828 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 09:10:53,828 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:10:53,839 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 09:10:53,840 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [327770431]
[2020-09-25 09:10:53,842 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 09:10:53,843 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-09-25 09:10:53,844 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380216036]
[2020-09-25 09:10:53,850 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-09-25 09:10:53,850 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 09:10:53,868 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-09-25 09:10:53,869 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-09-25 09:10:53,872 INFO  L87              Difference]: Start difference. First operand 178 states. Second operand 6 states.
[2020-09-25 09:10:54,562 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 09:10:54,563 INFO  L93              Difference]: Finished difference Result 435 states and 497 transitions.
[2020-09-25 09:10:54,563 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2020-09-25 09:10:54,565 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 30
[2020-09-25 09:10:54,566 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 09:10:54,582 INFO  L225             Difference]: With dead ends: 435
[2020-09-25 09:10:54,582 INFO  L226             Difference]: Without dead ends: 264
[2020-09-25 09:10:54,588 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132
[2020-09-25 09:10:54,614 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 264 states.
[2020-09-25 09:10:54,652 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 154.
[2020-09-25 09:10:54,654 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 154 states.
[2020-09-25 09:10:54,656 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 158 transitions.
[2020-09-25 09:10:54,658 INFO  L78                 Accepts]: Start accepts. Automaton has 154 states and 158 transitions. Word has length 30
[2020-09-25 09:10:54,658 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 09:10:54,659 INFO  L479      AbstractCegarLoop]: Abstraction has 154 states and 158 transitions.
[2020-09-25 09:10:54,659 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-09-25 09:10:54,659 INFO  L276                IsEmpty]: Start isEmpty. Operand 154 states and 158 transitions.
[2020-09-25 09:10:54,660 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2020-09-25 09:10:54,660 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 09:10:54,660 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]
[2020-09-25 09:10:54,661 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 09:10:54,661 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_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, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 09:10:54,662 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 09:10:54,662 INFO  L82        PathProgramCache]: Analyzing trace with hash 1575143415, now seen corresponding path program 1 times
[2020-09-25 09:10:54,663 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 09:10:54,663 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1472806183]
[2020-09-25 09:10:54,663 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 09:10:54,686 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:10:54,710 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:10:54,850 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:10:54,850 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 37
[2020-09-25 09:10:54,850 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:10:54,851 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 157
[2020-09-25 09:10:54,851 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:10:54,851 FATAL L256   erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:10:54,852 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 09:10:54,853 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 30
[2020-09-25 09:10:54,853 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 09:10:54,853 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 09:10:54,901 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 09:10:54,903 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:10:54,908 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:10:54,910 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:10:54,911 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 09:10:54,914 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:10:54,914 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 09:10:54,914 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:10:54,915 FATAL L256   erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:10:54,915 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 09:10:54,915 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:10:54,916 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 09:10:54,917 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 09:10:54,922 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 09:10:54,923 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1472806183]
[2020-09-25 09:10:54,923 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 09:10:54,924 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-09-25 09:10:54,925 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751925259]
[2020-09-25 09:10:54,927 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-09-25 09:10:54,928 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 09:10:54,928 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-09-25 09:10:54,928 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-09-25 09:10:54,933 INFO  L87              Difference]: Start difference. First operand 154 states and 158 transitions. Second operand 6 states.
[2020-09-25 09:10:55,350 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 09:10:55,351 INFO  L93              Difference]: Finished difference Result 223 states and 230 transitions.
[2020-09-25 09:10:55,351 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2020-09-25 09:10:55,352 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 30
[2020-09-25 09:10:55,352 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 09:10:55,355 INFO  L225             Difference]: With dead ends: 223
[2020-09-25 09:10:55,355 INFO  L226             Difference]: Without dead ends: 221
[2020-09-25 09:10:55,356 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110
[2020-09-25 09:10:55,358 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 221 states.
[2020-09-25 09:10:55,369 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 152.
[2020-09-25 09:10:55,369 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 152 states.
[2020-09-25 09:10:55,370 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 156 transitions.
[2020-09-25 09:10:55,371 INFO  L78                 Accepts]: Start accepts. Automaton has 152 states and 156 transitions. Word has length 30
[2020-09-25 09:10:55,371 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 09:10:55,371 INFO  L479      AbstractCegarLoop]: Abstraction has 152 states and 156 transitions.
[2020-09-25 09:10:55,371 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-09-25 09:10:55,372 INFO  L276                IsEmpty]: Start isEmpty. Operand 152 states and 156 transitions.
[2020-09-25 09:10:55,373 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2020-09-25 09:10:55,373 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 09:10:55,373 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]
[2020-09-25 09:10:55,373 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 09:10:55,374 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_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, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 09:10:55,374 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 09:10:55,374 INFO  L82        PathProgramCache]: Analyzing trace with hash 949374873, now seen corresponding path program 1 times
[2020-09-25 09:10:55,374 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 09:10:55,375 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [191182262]
[2020-09-25 09:10:55,375 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 09:10:55,386 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:10:55,395 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:10:55,455 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:10:55,455 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 42
[2020-09-25 09:10:55,455 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:10:55,455 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 68
[2020-09-25 09:10:55,456 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:10:55,456 FATAL L256   erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:10:55,456 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 09:10:55,456 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 25
[2020-09-25 09:10:55,457 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 16
[2020-09-25 09:10:55,457 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:10:55,502 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 09:10:55,504 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:10:55,506 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:10:55,508 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:10:55,508 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 09:10:55,508 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:10:55,508 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 09:10:55,509 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:10:55,509 FATAL L256   erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:10:55,509 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 09:10:55,509 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:10:55,510 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 09:10:55,510 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:10:55,513 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 09:10:55,514 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [191182262]
[2020-09-25 09:10:55,514 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 09:10:55,514 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-09-25 09:10:55,515 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619463867]
[2020-09-25 09:10:55,515 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-09-25 09:10:55,516 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 09:10:55,516 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-09-25 09:10:55,516 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-09-25 09:10:55,516 INFO  L87              Difference]: Start difference. First operand 152 states and 156 transitions. Second operand 6 states.
[2020-09-25 09:10:55,879 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 09:10:55,879 INFO  L93              Difference]: Finished difference Result 263 states and 271 transitions.
[2020-09-25 09:10:55,881 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-09-25 09:10:55,881 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 35
[2020-09-25 09:10:55,882 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 09:10:55,884 INFO  L225             Difference]: With dead ends: 263
[2020-09-25 09:10:55,884 INFO  L226             Difference]: Without dead ends: 261
[2020-09-25 09:10:55,885 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90
[2020-09-25 09:10:55,887 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 261 states.
[2020-09-25 09:10:55,901 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 150.
[2020-09-25 09:10:55,901 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 150 states.
[2020-09-25 09:10:55,903 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 154 transitions.
[2020-09-25 09:10:55,904 INFO  L78                 Accepts]: Start accepts. Automaton has 150 states and 154 transitions. Word has length 35
[2020-09-25 09:10:55,904 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 09:10:55,904 INFO  L479      AbstractCegarLoop]: Abstraction has 150 states and 154 transitions.
[2020-09-25 09:10:55,904 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-09-25 09:10:55,904 INFO  L276                IsEmpty]: Start isEmpty. Operand 150 states and 154 transitions.
[2020-09-25 09:10:55,906 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2020-09-25 09:10:55,906 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 09:10:55,906 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]
[2020-09-25 09:10:55,906 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 09:10:55,907 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_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, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 09:10:55,907 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 09:10:55,907 INFO  L82        PathProgramCache]: Analyzing trace with hash 386303974, now seen corresponding path program 1 times
[2020-09-25 09:10:55,907 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 09:10:55,908 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [454262547]
[2020-09-25 09:10:55,911 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 09:10:55,924 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:10:55,939 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:10:56,019 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:10:56,019 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 42
[2020-09-25 09:10:56,020 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:10:56,020 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 93
[2020-09-25 09:10:56,020 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:10:56,020 FATAL L256   erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:10:56,021 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 09:10:56,021 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 25
[2020-09-25 09:10:56,021 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 16
[2020-09-25 09:10:56,021 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:10:56,056 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 09:10:56,057 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:10:56,059 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:10:56,061 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:10:56,061 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 09:10:56,061 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:10:56,061 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 09:10:56,062 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:10:56,062 FATAL L256   erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:10:56,062 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 09:10:56,062 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:10:56,063 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 09:10:56,063 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:10:56,067 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 09:10:56,067 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [454262547]
[2020-09-25 09:10:56,067 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 09:10:56,068 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-09-25 09:10:56,068 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590747378]
[2020-09-25 09:10:56,068 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-09-25 09:10:56,069 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 09:10:56,069 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-09-25 09:10:56,069 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-09-25 09:10:56,069 INFO  L87              Difference]: Start difference. First operand 150 states and 154 transitions. Second operand 6 states.
[2020-09-25 09:10:56,325 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 09:10:56,325 INFO  L93              Difference]: Finished difference Result 192 states and 199 transitions.
[2020-09-25 09:10:56,326 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-09-25 09:10:56,326 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 35
[2020-09-25 09:10:56,326 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 09:10:56,328 INFO  L225             Difference]: With dead ends: 192
[2020-09-25 09:10:56,328 INFO  L226             Difference]: Without dead ends: 190
[2020-09-25 09:10:56,328 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90
[2020-09-25 09:10:56,329 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 190 states.
[2020-09-25 09:10:56,337 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 148.
[2020-09-25 09:10:56,337 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 148 states.
[2020-09-25 09:10:56,338 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 152 transitions.
[2020-09-25 09:10:56,339 INFO  L78                 Accepts]: Start accepts. Automaton has 148 states and 152 transitions. Word has length 35
[2020-09-25 09:10:56,339 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 09:10:56,339 INFO  L479      AbstractCegarLoop]: Abstraction has 148 states and 152 transitions.
[2020-09-25 09:10:56,339 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-09-25 09:10:56,339 INFO  L276                IsEmpty]: Start isEmpty. Operand 148 states and 152 transitions.
[2020-09-25 09:10:56,340 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 41
[2020-09-25 09:10:56,340 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 09:10:56,341 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]
[2020-09-25 09:10:56,341 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-25 09:10:56,341 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_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, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 09:10:56,341 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 09:10:56,342 INFO  L82        PathProgramCache]: Analyzing trace with hash 1765112685, now seen corresponding path program 1 times
[2020-09-25 09:10:56,342 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 09:10:56,342 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1681215103]
[2020-09-25 09:10:56,342 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 09:10:56,352 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:10:56,360 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:10:56,448 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:10:56,448 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 47
[2020-09-25 09:10:56,448 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:10:56,448 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 94
[2020-09-25 09:10:56,449 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:10:56,449 FATAL L256   erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:10:56,449 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 09:10:56,449 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 24
[2020-09-25 09:10:56,449 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 22
[2020-09-25 09:10:56,450 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:10:56,498 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 09:10:56,499 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:10:56,501 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:10:56,502 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:10:56,502 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 09:10:56,503 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:10:56,503 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 09:10:56,503 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:10:56,503 FATAL L256   erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:10:56,504 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 09:10:56,504 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:10:56,504 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 09:10:56,504 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:10:56,508 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 09:10:56,509 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1681215103]
[2020-09-25 09:10:56,509 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 09:10:56,509 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-09-25 09:10:56,510 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095484060]
[2020-09-25 09:10:56,510 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-09-25 09:10:56,510 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 09:10:56,511 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-09-25 09:10:56,511 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2020-09-25 09:10:56,511 INFO  L87              Difference]: Start difference. First operand 148 states and 152 transitions. Second operand 7 states.
[2020-09-25 09:10:57,022 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 09:10:57,023 INFO  L93              Difference]: Finished difference Result 262 states and 270 transitions.
[2020-09-25 09:10:57,023 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2020-09-25 09:10:57,023 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 40
[2020-09-25 09:10:57,024 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 09:10:57,026 INFO  L225             Difference]: With dead ends: 262
[2020-09-25 09:10:57,026 INFO  L226             Difference]: Without dead ends: 260
[2020-09-25 09:10:57,027 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156
[2020-09-25 09:10:57,027 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 260 states.
[2020-09-25 09:10:57,038 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 146.
[2020-09-25 09:10:57,038 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 146 states.
[2020-09-25 09:10:57,039 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 150 transitions.
[2020-09-25 09:10:57,039 INFO  L78                 Accepts]: Start accepts. Automaton has 146 states and 150 transitions. Word has length 40
[2020-09-25 09:10:57,039 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 09:10:57,040 INFO  L479      AbstractCegarLoop]: Abstraction has 146 states and 150 transitions.
[2020-09-25 09:10:57,040 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-09-25 09:10:57,040 INFO  L276                IsEmpty]: Start isEmpty. Operand 146 states and 150 transitions.
[2020-09-25 09:10:57,041 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 46
[2020-09-25 09:10:57,041 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 09:10:57,041 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]
[2020-09-25 09:10:57,041 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-09-25 09:10:57,042 INFO  L427      AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_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, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 09:10:57,042 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 09:10:57,042 INFO  L82        PathProgramCache]: Analyzing trace with hash -1900232348, now seen corresponding path program 1 times
[2020-09-25 09:10:57,042 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 09:10:57,043 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [10089307]
[2020-09-25 09:10:57,043 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 09:10:57,053 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:10:57,063 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:10:57,149 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:10:57,149 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 52
[2020-09-25 09:10:57,150 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:10:57,150 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 94
[2020-09-25 09:10:57,150 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:10:57,150 FATAL L256   erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:10:57,150 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 09:10:57,151 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 27
[2020-09-25 09:10:57,151 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 24
[2020-09-25 09:10:57,151 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:10:57,191 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 09:10:57,192 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:10:57,194 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:10:57,195 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:10:57,195 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 09:10:57,196 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:10:57,196 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 09:10:57,196 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:10:57,196 FATAL L256   erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:10:57,196 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 09:10:57,197 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:10:57,197 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 09:10:57,197 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:10:57,201 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 09:10:57,201 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [10089307]
[2020-09-25 09:10:57,202 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 09:10:57,202 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-09-25 09:10:57,202 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810444857]
[2020-09-25 09:10:57,203 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-09-25 09:10:57,203 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 09:10:57,203 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-09-25 09:10:57,203 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-09-25 09:10:57,203 INFO  L87              Difference]: Start difference. First operand 146 states and 150 transitions. Second operand 6 states.
[2020-09-25 09:10:57,571 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 09:10:57,572 INFO  L93              Difference]: Finished difference Result 267 states and 275 transitions.
[2020-09-25 09:10:57,572 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-09-25 09:10:57,572 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 45
[2020-09-25 09:10:57,572 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 09:10:57,574 INFO  L225             Difference]: With dead ends: 267
[2020-09-25 09:10:57,574 INFO  L226             Difference]: Without dead ends: 265
[2020-09-25 09:10:57,575 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90
[2020-09-25 09:10:57,576 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 265 states.
[2020-09-25 09:10:57,581 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 144.
[2020-09-25 09:10:57,581 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 144 states.
[2020-09-25 09:10:57,582 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 148 transitions.
[2020-09-25 09:10:57,582 INFO  L78                 Accepts]: Start accepts. Automaton has 144 states and 148 transitions. Word has length 45
[2020-09-25 09:10:57,583 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 09:10:57,583 INFO  L479      AbstractCegarLoop]: Abstraction has 144 states and 148 transitions.
[2020-09-25 09:10:57,583 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-09-25 09:10:57,583 INFO  L276                IsEmpty]: Start isEmpty. Operand 144 states and 148 transitions.
[2020-09-25 09:10:57,584 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 46
[2020-09-25 09:10:57,584 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 09:10:57,584 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]
[2020-09-25 09:10:57,585 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-09-25 09:10:57,585 INFO  L427      AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_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, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 09:10:57,585 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 09:10:57,585 INFO  L82        PathProgramCache]: Analyzing trace with hash -1678067487, now seen corresponding path program 1 times
[2020-09-25 09:10:57,586 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 09:10:57,586 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2114758715]
[2020-09-25 09:10:57,586 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 09:10:57,595 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:10:57,604 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:10:57,635 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:10:57,648 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:10:57,661 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:10:57,950 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:10:57,950 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 52
[2020-09-25 09:10:57,950 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 4
[2020-09-25 09:10:57,951 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 354
[2020-09-25 09:10:57,951 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:10:57,951 FATAL L256   erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:10:57,951 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 09:10:57,951 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 26
[2020-09-25 09:10:57,952 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 25
[2020-09-25 09:10:57,952 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:10:57,990 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 09:10:57,991 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:10:57,993 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:10:57,994 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:10:57,994 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 09:10:57,995 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:10:57,995 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 09:10:57,995 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:10:57,995 FATAL L256   erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:10:57,995 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 09:10:57,996 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:10:57,996 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 09:10:57,996 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:10:58,000 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 09:10:58,000 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2114758715]
[2020-09-25 09:10:58,000 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 09:10:58,001 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-09-25 09:10:58,001 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332747710]
[2020-09-25 09:10:58,001 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-09-25 09:10:58,001 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 09:10:58,002 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-09-25 09:10:58,002 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-09-25 09:10:58,002 INFO  L87              Difference]: Start difference. First operand 144 states and 148 transitions. Second operand 6 states.
[2020-09-25 09:10:58,357 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 09:10:58,357 INFO  L93              Difference]: Finished difference Result 194 states and 202 transitions.
[2020-09-25 09:10:58,357 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2020-09-25 09:10:58,357 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 45
[2020-09-25 09:10:58,358 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 09:10:58,359 INFO  L225             Difference]: With dead ends: 194
[2020-09-25 09:10:58,359 INFO  L226             Difference]: Without dead ends: 192
[2020-09-25 09:10:58,360 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110
[2020-09-25 09:10:58,360 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 192 states.
[2020-09-25 09:10:58,365 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 142.
[2020-09-25 09:10:58,365 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 142 states.
[2020-09-25 09:10:58,366 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 146 transitions.
[2020-09-25 09:10:58,366 INFO  L78                 Accepts]: Start accepts. Automaton has 142 states and 146 transitions. Word has length 45
[2020-09-25 09:10:58,366 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 09:10:58,367 INFO  L479      AbstractCegarLoop]: Abstraction has 142 states and 146 transitions.
[2020-09-25 09:10:58,367 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-09-25 09:10:58,367 INFO  L276                IsEmpty]: Start isEmpty. Operand 142 states and 146 transitions.
[2020-09-25 09:10:58,368 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 51
[2020-09-25 09:10:58,368 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 09:10:58,368 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]
[2020-09-25 09:10:58,369 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2020-09-25 09:10:58,369 INFO  L427      AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_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, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 09:10:58,369 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 09:10:58,369 INFO  L82        PathProgramCache]: Analyzing trace with hash 776869197, now seen corresponding path program 1 times
[2020-09-25 09:10:58,369 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 09:10:58,370 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1207940505]
[2020-09-25 09:10:58,370 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 09:10:58,378 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:10:58,386 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:10:58,407 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:10:58,582 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:10:58,583 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 57
[2020-09-25 09:10:58,583 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 09:10:58,583 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 203
[2020-09-25 09:10:58,584 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:10:58,584 FATAL L256   erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:10:58,584 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 09:10:58,584 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 25
[2020-09-25 09:10:58,584 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 31
[2020-09-25 09:10:58,585 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:10:58,624 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 09:10:58,626 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:10:58,627 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:10:58,628 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:10:58,629 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 09:10:58,629 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:10:58,629 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 09:10:58,629 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:10:58,630 FATAL L256   erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:10:58,630 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 09:10:58,630 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:10:58,630 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 09:10:58,630 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:10:58,634 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 09:10:58,635 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1207940505]
[2020-09-25 09:10:58,635 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 09:10:58,635 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-09-25 09:10:58,636 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563875886]
[2020-09-25 09:10:58,636 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-09-25 09:10:58,636 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 09:10:58,637 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-09-25 09:10:58,637 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-09-25 09:10:58,637 INFO  L87              Difference]: Start difference. First operand 142 states and 146 transitions. Second operand 6 states.
[2020-09-25 09:10:58,863 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 09:10:58,863 INFO  L93              Difference]: Finished difference Result 195 states and 203 transitions.
[2020-09-25 09:10:58,863 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-09-25 09:10:58,863 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 50
[2020-09-25 09:10:58,864 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 09:10:58,865 INFO  L225             Difference]: With dead ends: 195
[2020-09-25 09:10:58,865 INFO  L226             Difference]: Without dead ends: 193
[2020-09-25 09:10:58,866 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90
[2020-09-25 09:10:58,866 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 193 states.
[2020-09-25 09:10:58,871 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 140.
[2020-09-25 09:10:58,872 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 140 states.
[2020-09-25 09:10:58,872 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 144 transitions.
[2020-09-25 09:10:58,873 INFO  L78                 Accepts]: Start accepts. Automaton has 140 states and 144 transitions. Word has length 50
[2020-09-25 09:10:58,873 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 09:10:58,873 INFO  L479      AbstractCegarLoop]: Abstraction has 140 states and 144 transitions.
[2020-09-25 09:10:58,873 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-09-25 09:10:58,873 INFO  L276                IsEmpty]: Start isEmpty. Operand 140 states and 144 transitions.
[2020-09-25 09:10:58,874 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 56
[2020-09-25 09:10:58,874 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 09:10:58,875 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]
[2020-09-25 09:10:58,875 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2020-09-25 09:10:58,875 INFO  L427      AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_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, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 09:10:58,875 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 09:10:58,876 INFO  L82        PathProgramCache]: Analyzing trace with hash -828388948, now seen corresponding path program 1 times
[2020-09-25 09:10:58,876 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 09:10:58,876 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1372222065]
[2020-09-25 09:10:58,876 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 09:10:58,885 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:10:58,894 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:10:58,986 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:10:58,986 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 62
[2020-09-25 09:10:58,987 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:10:58,987 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 100
[2020-09-25 09:10:58,987 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:10:58,987 FATAL L256   erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:10:58,988 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 09:10:58,988 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 24
[2020-09-25 09:10:58,988 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 37
[2020-09-25 09:10:58,988 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:10:59,061 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 09:10:59,062 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:10:59,064 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:10:59,065 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:10:59,065 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 09:10:59,066 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:10:59,066 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 09:10:59,066 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:10:59,066 FATAL L256   erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:10:59,067 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 09:10:59,067 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:10:59,067 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 09:10:59,067 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:10:59,073 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 09:10:59,074 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1372222065]
[2020-09-25 09:10:59,074 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 09:10:59,074 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-09-25 09:10:59,074 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716442018]
[2020-09-25 09:10:59,075 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-09-25 09:10:59,075 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 09:10:59,075 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-09-25 09:10:59,076 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2020-09-25 09:10:59,076 INFO  L87              Difference]: Start difference. First operand 140 states and 144 transitions. Second operand 7 states.
[2020-09-25 09:10:59,454 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 09:10:59,454 INFO  L93              Difference]: Finished difference Result 198 states and 206 transitions.
[2020-09-25 09:10:59,454 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2020-09-25 09:10:59,454 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 55
[2020-09-25 09:10:59,455 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 09:10:59,456 INFO  L225             Difference]: With dead ends: 198
[2020-09-25 09:10:59,456 INFO  L226             Difference]: Without dead ends: 196
[2020-09-25 09:10:59,456 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156
[2020-09-25 09:10:59,457 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 196 states.
[2020-09-25 09:10:59,461 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 138.
[2020-09-25 09:10:59,462 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 138 states.
[2020-09-25 09:10:59,463 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 142 transitions.
[2020-09-25 09:10:59,463 INFO  L78                 Accepts]: Start accepts. Automaton has 138 states and 142 transitions. Word has length 55
[2020-09-25 09:10:59,463 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 09:10:59,463 INFO  L479      AbstractCegarLoop]: Abstraction has 138 states and 142 transitions.
[2020-09-25 09:10:59,463 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-09-25 09:10:59,463 INFO  L276                IsEmpty]: Start isEmpty. Operand 138 states and 142 transitions.
[2020-09-25 09:10:59,464 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 61
[2020-09-25 09:10:59,464 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 09:10:59,465 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]
[2020-09-25 09:10:59,465 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2020-09-25 09:10:59,465 INFO  L427      AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_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, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 09:10:59,465 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 09:10:59,465 INFO  L82        PathProgramCache]: Analyzing trace with hash -2080692744, now seen corresponding path program 1 times
[2020-09-25 09:10:59,466 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 09:10:59,466 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [902451243]
[2020-09-25 09:10:59,466 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 09:10:59,475 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:10:59,485 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:10:59,565 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:10:59,565 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 67
[2020-09-25 09:10:59,565 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:10:59,566 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 89
[2020-09-25 09:10:59,566 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:10:59,566 FATAL L256   erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:10:59,566 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 09:10:59,566 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 27
[2020-09-25 09:10:59,566 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 39
[2020-09-25 09:10:59,567 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 09:10:59,633 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 09:10:59,634 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:10:59,635 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:10:59,637 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:10:59,637 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 09:10:59,637 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:10:59,637 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 09:10:59,638 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:10:59,639 FATAL L256   erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:10:59,639 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 09:10:59,640 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:10:59,640 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 09:10:59,640 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 09:10:59,647 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 09:10:59,647 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [902451243]
[2020-09-25 09:10:59,647 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 09:10:59,648 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-09-25 09:10:59,648 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670583448]
[2020-09-25 09:10:59,649 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-09-25 09:10:59,649 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 09:10:59,649 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-09-25 09:10:59,649 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-09-25 09:10:59,649 INFO  L87              Difference]: Start difference. First operand 138 states and 142 transitions. Second operand 6 states.
[2020-09-25 09:10:59,889 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 09:10:59,889 INFO  L93              Difference]: Finished difference Result 203 states and 211 transitions.
[2020-09-25 09:10:59,890 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-09-25 09:10:59,890 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 60
[2020-09-25 09:10:59,890 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 09:10:59,892 INFO  L225             Difference]: With dead ends: 203
[2020-09-25 09:10:59,892 INFO  L226             Difference]: Without dead ends: 201
[2020-09-25 09:10:59,893 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90
[2020-09-25 09:10:59,893 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 201 states.
[2020-09-25 09:10:59,900 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 136.
[2020-09-25 09:10:59,900 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 136 states.
[2020-09-25 09:10:59,901 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 140 transitions.
[2020-09-25 09:10:59,901 INFO  L78                 Accepts]: Start accepts. Automaton has 136 states and 140 transitions. Word has length 60
[2020-09-25 09:10:59,901 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 09:10:59,901 INFO  L479      AbstractCegarLoop]: Abstraction has 136 states and 140 transitions.
[2020-09-25 09:10:59,901 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-09-25 09:10:59,901 INFO  L276                IsEmpty]: Start isEmpty. Operand 136 states and 140 transitions.
[2020-09-25 09:10:59,902 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 70
[2020-09-25 09:10:59,902 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 09:10:59,903 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]
[2020-09-25 09:10:59,903 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2020-09-25 09:10:59,903 INFO  L427      AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_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, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 09:10:59,903 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 09:10:59,903 INFO  L82        PathProgramCache]: Analyzing trace with hash 1555133305, now seen corresponding path program 1 times
[2020-09-25 09:10:59,904 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 09:10:59,904 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [889346035]
[2020-09-25 09:10:59,904 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 09:10:59,916 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:10:59,938 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:10:59,997 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:11:00,275 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:11:00,275 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 76
[2020-09-25 09:11:00,275 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 09:11:00,275 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 357
[2020-09-25 09:11:00,276 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:11:00,276 FATAL L256   erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:11:00,276 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 09:11:00,276 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 30
[2020-09-25 09:11:00,276 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 45
[2020-09-25 09:11:00,277 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:11:00,330 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 09:11:00,331 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:11:00,333 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:11:00,334 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:11:00,334 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 09:11:00,334 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:11:00,334 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 09:11:00,335 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:11:00,335 FATAL L256   erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:11:00,335 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 09:11:00,335 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:11:00,335 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 09:11:00,336 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 09:11:00,345 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 09:11:00,345 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [889346035]
[2020-09-25 09:11:00,345 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 09:11:00,346 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-09-25 09:11:00,346 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232732371]
[2020-09-25 09:11:00,346 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-09-25 09:11:00,346 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 09:11:00,347 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-09-25 09:11:00,347 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2020-09-25 09:11:00,347 INFO  L87              Difference]: Start difference. First operand 136 states and 140 transitions. Second operand 7 states.
[2020-09-25 09:11:00,895 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 09:11:00,895 INFO  L93              Difference]: Finished difference Result 375 states and 390 transitions.
[2020-09-25 09:11:00,895 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2020-09-25 09:11:00,895 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 69
[2020-09-25 09:11:00,896 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 09:11:00,897 INFO  L225             Difference]: With dead ends: 375
[2020-09-25 09:11:00,897 INFO  L226             Difference]: Without dead ends: 258
[2020-09-25 09:11:00,898 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182
[2020-09-25 09:11:00,899 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 258 states.
[2020-09-25 09:11:00,905 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 158.
[2020-09-25 09:11:00,906 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 158 states.
[2020-09-25 09:11:00,906 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 162 transitions.
[2020-09-25 09:11:00,907 INFO  L78                 Accepts]: Start accepts. Automaton has 158 states and 162 transitions. Word has length 69
[2020-09-25 09:11:00,907 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 09:11:00,907 INFO  L479      AbstractCegarLoop]: Abstraction has 158 states and 162 transitions.
[2020-09-25 09:11:00,907 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-09-25 09:11:00,907 INFO  L276                IsEmpty]: Start isEmpty. Operand 158 states and 162 transitions.
[2020-09-25 09:11:00,908 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 75
[2020-09-25 09:11:00,908 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 09:11:00,908 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]
[2020-09-25 09:11:00,908 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2020-09-25 09:11:00,909 INFO  L427      AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_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, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 09:11:00,909 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 09:11:00,909 INFO  L82        PathProgramCache]: Analyzing trace with hash -623432219, now seen corresponding path program 1 times
[2020-09-25 09:11:00,909 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 09:11:00,909 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1667220954]
[2020-09-25 09:11:00,910 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 09:11:00,920 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:11:00,932 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:11:00,999 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:11:01,024 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:11:01,833 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:11:01,833 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 81
[2020-09-25 09:11:01,833 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 09:11:01,834 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 911
[2020-09-25 09:11:01,834 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:11:01,834 FATAL L256   erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:11:01,834 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 09:11:01,835 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 25
[2020-09-25 09:11:01,835 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 55
[2020-09-25 09:11:01,835 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:11:01,891 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 09:11:01,892 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:11:01,894 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:11:01,895 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:11:01,895 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 09:11:01,895 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:11:01,895 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 09:11:01,895 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:11:01,896 FATAL L256   erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:11:01,896 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 09:11:01,896 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:11:01,896 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 09:11:01,896 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 09:11:01,904 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 09:11:01,904 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1667220954]
[2020-09-25 09:11:01,904 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 09:11:01,905 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-09-25 09:11:01,905 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801856102]
[2020-09-25 09:11:01,905 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-09-25 09:11:01,905 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 09:11:01,906 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-09-25 09:11:01,906 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2020-09-25 09:11:01,906 INFO  L87              Difference]: Start difference. First operand 158 states and 162 transitions. Second operand 7 states.
[2020-09-25 09:11:02,410 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 09:11:02,410 INFO  L93              Difference]: Finished difference Result 351 states and 362 transitions.
[2020-09-25 09:11:02,411 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2020-09-25 09:11:02,411 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 74
[2020-09-25 09:11:02,411 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 09:11:02,413 INFO  L225             Difference]: With dead ends: 351
[2020-09-25 09:11:02,413 INFO  L226             Difference]: Without dead ends: 349
[2020-09-25 09:11:02,414 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132
[2020-09-25 09:11:02,414 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 349 states.
[2020-09-25 09:11:02,421 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 156.
[2020-09-25 09:11:02,421 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 156 states.
[2020-09-25 09:11:02,422 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 160 transitions.
[2020-09-25 09:11:02,422 INFO  L78                 Accepts]: Start accepts. Automaton has 156 states and 160 transitions. Word has length 74
[2020-09-25 09:11:02,423 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 09:11:02,423 INFO  L479      AbstractCegarLoop]: Abstraction has 156 states and 160 transitions.
[2020-09-25 09:11:02,423 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-09-25 09:11:02,423 INFO  L276                IsEmpty]: Start isEmpty. Operand 156 states and 160 transitions.
[2020-09-25 09:11:02,424 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 80
[2020-09-25 09:11:02,424 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 09:11:02,424 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 09:11:02,424 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2020-09-25 09:11:02,425 INFO  L427      AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_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, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 09:11:02,425 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 09:11:02,425 INFO  L82        PathProgramCache]: Analyzing trace with hash -1977531324, now seen corresponding path program 1 times
[2020-09-25 09:11:02,425 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 09:11:02,425 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [258639024]
[2020-09-25 09:11:02,426 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 09:11:02,437 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:11:02,448 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:11:02,607 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:11:02,608 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 86
[2020-09-25 09:11:02,608 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:11:02,608 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 170
[2020-09-25 09:11:02,608 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:11:02,608 FATAL L256   erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:11:02,609 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 09:11:02,609 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 24
[2020-09-25 09:11:02,609 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 61
[2020-09-25 09:11:02,609 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:11:02,669 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 09:11:02,670 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:11:02,671 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:11:02,672 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:11:02,673 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 09:11:02,673 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:11:02,673 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 09:11:02,673 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:11:02,673 FATAL L256   erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:11:02,674 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 09:11:02,674 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:11:02,674 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 09:11:02,674 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 09:11:02,683 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 09:11:02,684 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [258639024]
[2020-09-25 09:11:02,684 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 09:11:02,684 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-25 09:11:02,685 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166867772]
[2020-09-25 09:11:02,685 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-25 09:11:02,685 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 09:11:02,685 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-25 09:11:02,686 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-09-25 09:11:02,686 INFO  L87              Difference]: Start difference. First operand 156 states and 160 transitions. Second operand 8 states.
[2020-09-25 09:11:03,223 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 09:11:03,223 INFO  L93              Difference]: Finished difference Result 271 states and 282 transitions.
[2020-09-25 09:11:03,224 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2020-09-25 09:11:03,224 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 79
[2020-09-25 09:11:03,224 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 09:11:03,226 INFO  L225             Difference]: With dead ends: 271
[2020-09-25 09:11:03,227 INFO  L226             Difference]: Without dead ends: 269
[2020-09-25 09:11:03,227 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240
[2020-09-25 09:11:03,228 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 269 states.
[2020-09-25 09:11:03,236 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 154.
[2020-09-25 09:11:03,237 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 154 states.
[2020-09-25 09:11:03,238 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 158 transitions.
[2020-09-25 09:11:03,238 INFO  L78                 Accepts]: Start accepts. Automaton has 154 states and 158 transitions. Word has length 79
[2020-09-25 09:11:03,238 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 09:11:03,238 INFO  L479      AbstractCegarLoop]: Abstraction has 154 states and 158 transitions.
[2020-09-25 09:11:03,238 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-25 09:11:03,238 INFO  L276                IsEmpty]: Start isEmpty. Operand 154 states and 158 transitions.
[2020-09-25 09:11:03,239 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 85
[2020-09-25 09:11:03,239 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 09:11:03,240 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 09:11:03,240 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2020-09-25 09:11:03,240 INFO  L427      AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_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, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 09:11:03,241 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 09:11:03,241 INFO  L82        PathProgramCache]: Analyzing trace with hash 108101264, now seen corresponding path program 1 times
[2020-09-25 09:11:03,241 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 09:11:03,242 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [212871020]
[2020-09-25 09:11:03,242 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 09:11:03,254 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:11:03,266 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:11:03,323 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:11:03,671 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:11:03,672 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 91
[2020-09-25 09:11:03,672 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 09:11:03,672 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 416
[2020-09-25 09:11:03,672 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:11:03,673 FATAL L256   erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:11:03,673 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 09:11:03,673 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 27
[2020-09-25 09:11:03,673 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 63
[2020-09-25 09:11:03,673 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:11:03,761 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 09:11:03,762 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:11:03,764 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:11:03,765 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:11:03,765 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 09:11:03,765 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:11:03,766 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 09:11:03,766 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:11:03,766 FATAL L256   erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:11:03,767 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 09:11:03,767 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:11:03,767 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 09:11:03,767 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:11:03,779 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 09:11:03,779 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [212871020]
[2020-09-25 09:11:03,779 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 09:11:03,779 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-09-25 09:11:03,780 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693400291]
[2020-09-25 09:11:03,780 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-09-25 09:11:03,780 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 09:11:03,780 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-09-25 09:11:03,781 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2020-09-25 09:11:03,781 INFO  L87              Difference]: Start difference. First operand 154 states and 158 transitions. Second operand 7 states.
[2020-09-25 09:11:04,363 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 09:11:04,363 INFO  L93              Difference]: Finished difference Result 439 states and 453 transitions.
[2020-09-25 09:11:04,363 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2020-09-25 09:11:04,364 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 84
[2020-09-25 09:11:04,364 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 09:11:04,366 INFO  L225             Difference]: With dead ends: 439
[2020-09-25 09:11:04,366 INFO  L226             Difference]: Without dead ends: 437
[2020-09-25 09:11:04,368 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156
[2020-09-25 09:11:04,368 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 437 states.
[2020-09-25 09:11:04,377 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 152.
[2020-09-25 09:11:04,378 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 152 states.
[2020-09-25 09:11:04,379 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 156 transitions.
[2020-09-25 09:11:04,379 INFO  L78                 Accepts]: Start accepts. Automaton has 152 states and 156 transitions. Word has length 84
[2020-09-25 09:11:04,379 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 09:11:04,379 INFO  L479      AbstractCegarLoop]: Abstraction has 152 states and 156 transitions.
[2020-09-25 09:11:04,379 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-09-25 09:11:04,379 INFO  L276                IsEmpty]: Start isEmpty. Operand 152 states and 156 transitions.
[2020-09-25 09:11:04,380 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 94
[2020-09-25 09:11:04,380 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 09:11:04,381 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 09:11:04,381 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2020-09-25 09:11:04,381 INFO  L427      AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_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, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 09:11:04,381 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 09:11:04,381 INFO  L82        PathProgramCache]: Analyzing trace with hash 274017809, now seen corresponding path program 1 times
[2020-09-25 09:11:04,382 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 09:11:04,382 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2101839361]
[2020-09-25 09:11:04,382 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 09:11:04,395 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:11:04,409 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:11:04,624 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:11:04,625 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 100
[2020-09-25 09:11:04,625 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:11:04,625 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 228
[2020-09-25 09:11:04,625 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:11:04,625 FATAL L256   erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:11:04,626 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 7
[2020-09-25 09:11:04,626 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 24
[2020-09-25 09:11:04,626 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 75
[2020-09-25 09:11:04,626 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 09:11:04,705 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 09:11:04,706 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:11:04,708 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:11:04,709 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:11:04,709 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 09:11:04,709 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:11:04,709 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 09:11:04,709 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:11:04,710 FATAL L256   erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:11:04,710 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 09:11:04,710 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:11:04,710 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 09:11:04,710 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 09:11:04,723 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 09:11:04,724 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2101839361]
[2020-09-25 09:11:04,724 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 09:11:04,724 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-09-25 09:11:04,725 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954395104]
[2020-09-25 09:11:04,725 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-09-25 09:11:04,726 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 09:11:04,726 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-09-25 09:11:04,726 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72
[2020-09-25 09:11:04,726 INFO  L87              Difference]: Start difference. First operand 152 states and 156 transitions. Second operand 9 states.
[2020-09-25 09:11:05,380 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 09:11:05,380 INFO  L93              Difference]: Finished difference Result 281 states and 292 transitions.
[2020-09-25 09:11:05,381 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2020-09-25 09:11:05,381 INFO  L78                 Accepts]: Start accepts. Automaton has 9 states. Word has length 93
[2020-09-25 09:11:05,381 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 09:11:05,383 INFO  L225             Difference]: With dead ends: 281
[2020-09-25 09:11:05,383 INFO  L226             Difference]: Without dead ends: 279
[2020-09-25 09:11:05,383 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342
[2020-09-25 09:11:05,384 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 279 states.
[2020-09-25 09:11:05,393 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 150.
[2020-09-25 09:11:05,393 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 150 states.
[2020-09-25 09:11:05,394 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 154 transitions.
[2020-09-25 09:11:05,394 INFO  L78                 Accepts]: Start accepts. Automaton has 150 states and 154 transitions. Word has length 93
[2020-09-25 09:11:05,394 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 09:11:05,394 INFO  L479      AbstractCegarLoop]: Abstraction has 150 states and 154 transitions.
[2020-09-25 09:11:05,394 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-09-25 09:11:05,394 INFO  L276                IsEmpty]: Start isEmpty. Operand 150 states and 154 transitions.
[2020-09-25 09:11:05,395 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 99
[2020-09-25 09:11:05,395 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 09:11:05,396 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 09:11:05,396 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2020-09-25 09:11:05,397 INFO  L427      AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_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, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 09:11:05,397 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 09:11:05,398 INFO  L82        PathProgramCache]: Analyzing trace with hash 1620264573, now seen corresponding path program 1 times
[2020-09-25 09:11:05,398 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 09:11:05,398 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [817561387]
[2020-09-25 09:11:05,399 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 09:11:05,411 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:11:05,426 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:11:05,485 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:11:05,599 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:11:06,478 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:11:06,479 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 105
[2020-09-25 09:11:06,479 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 09:11:06,479 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1066
[2020-09-25 09:11:06,479 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:11:06,480 FATAL L256   erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:11:06,480 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 09:11:06,480 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 27
[2020-09-25 09:11:06,480 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 77
[2020-09-25 09:11:06,480 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 09:11:06,542 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 09:11:06,543 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:11:06,544 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:11:06,546 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:11:06,546 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 09:11:06,546 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:11:06,546 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 09:11:06,546 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:11:06,546 FATAL L256   erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:11:06,547 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 09:11:06,547 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:11:06,547 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 09:11:06,547 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 09:11:06,557 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 09:11:06,558 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [817561387]
[2020-09-25 09:11:06,560 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 09:11:06,560 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-25 09:11:06,560 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527119814]
[2020-09-25 09:11:06,560 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-25 09:11:06,561 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 09:11:06,561 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-25 09:11:06,561 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2020-09-25 09:11:06,561 INFO  L87              Difference]: Start difference. First operand 150 states and 154 transitions. Second operand 8 states.
[2020-09-25 09:11:07,697 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 09:11:07,698 INFO  L93              Difference]: Finished difference Result 679 states and 701 transitions.
[2020-09-25 09:11:07,698 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2020-09-25 09:11:07,698 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 98
[2020-09-25 09:11:07,698 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 09:11:07,699 INFO  L225             Difference]: With dead ends: 679
[2020-09-25 09:11:07,699 INFO  L226             Difference]: Without dead ends: 0
[2020-09-25 09:11:07,704 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240
[2020-09-25 09:11:07,704 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-09-25 09:11:07,704 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-09-25 09:11:07,705 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-09-25 09:11:07,705 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-09-25 09:11:07,705 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 98
[2020-09-25 09:11:07,705 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 09:11:07,705 INFO  L479      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-09-25 09:11:07,705 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-25 09:11:07,705 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-09-25 09:11:07,706 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-09-25 09:11:07,706 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2020-09-25 09:11:07,709 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-09-25 09:11:08,577 WARN  L193               SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 106
[2020-09-25 09:11:09,125 WARN  L193               SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 103
[2020-09-25 09:11:09,485 WARN  L193               SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 89
[2020-09-25 09:11:09,830 WARN  L193               SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 41
[2020-09-25 09:11:10,044 WARN  L193               SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 22
[2020-09-25 09:11:10,208 WARN  L193               SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 13
[2020-09-25 09:11:10,213 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initFINAL(line -1)  no Hoare annotation was computed.
[2020-09-25 09:11:10,213 INFO  L268        CegarLoopResult]: For program point  L10(line 10)  no Hoare annotation was computed.
[2020-09-25 09:11:10,213 INFO  L264        CegarLoopResult]: At program point  ULTIMATE.initENTRY(line -1)  the Hoare annotation is:  (and (= ~__return_334~0 |old(~__return_334~0)|) (= ~__return_main~0 |old(~__return_main~0)|))
[2020-09-25 09:11:10,213 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initEXIT(line -1)  no Hoare annotation was computed.
[2020-09-25 09:11:10,214 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2020-09-25 09:11:10,214 INFO  L271        CegarLoopResult]: At program point  L-1(line -1)  the Hoare annotation is:  true
[2020-09-25 09:11:10,214 INFO  L271        CegarLoopResult]: At program point  ULTIMATE.startENTRY(line -1)  the Hoare annotation is:  true
[2020-09-25 09:11:10,214 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2020-09-25 09:11:10,214 INFO  L268        CegarLoopResult]: For program point  assume_abort_if_notENTRY(lines 4 6)  no Hoare annotation was computed.
[2020-09-25 09:11:10,214 INFO  L268        CegarLoopResult]: For program point  L5(line 5)  no Hoare annotation was computed.
[2020-09-25 09:11:10,214 INFO  L268        CegarLoopResult]: For program point  L5-1(line 5)  no Hoare annotation was computed.
[2020-09-25 09:11:10,214 INFO  L268        CegarLoopResult]: For program point  L5-3(lines 4 6)  no Hoare annotation was computed.
[2020-09-25 09:11:10,215 INFO  L268        CegarLoopResult]: For program point  assume_abort_if_notEXIT(lines 4 6)  no Hoare annotation was computed.
[2020-09-25 09:11:10,215 INFO  L268        CegarLoopResult]: For program point  mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 86)  no Hoare annotation was computed.
[2020-09-25 09:11:10,215 INFO  L268        CegarLoopResult]: For program point  L250(line 250)  no Hoare annotation was computed.
[2020-09-25 09:11:10,215 INFO  L268        CegarLoopResult]: For program point  mainEXIT(lines 11 311)  no Hoare annotation was computed.
[2020-09-25 09:11:10,215 INFO  L268        CegarLoopResult]: For program point  L151(line 151)  no Hoare annotation was computed.
[2020-09-25 09:11:10,215 INFO  L268        CegarLoopResult]: For program point  L118(line 118)  no Hoare annotation was computed.
[2020-09-25 09:11:10,215 INFO  L268        CegarLoopResult]: For program point  L52(line 52)  no Hoare annotation was computed.
[2020-09-25 09:11:10,216 INFO  L268        CegarLoopResult]: For program point  L234(line 234)  no Hoare annotation was computed.
[2020-09-25 09:11:10,217 INFO  L268        CegarLoopResult]: For program point  L201(lines 201 271)  no Hoare annotation was computed.
[2020-09-25 09:11:10,217 INFO  L268        CegarLoopResult]: For program point  L135(line 135)  no Hoare annotation was computed.
[2020-09-25 09:11:10,217 INFO  L268        CegarLoopResult]: For program point  L69(line 69)  no Hoare annotation was computed.
[2020-09-25 09:11:10,217 INFO  L268        CegarLoopResult]: For program point  L36(lines 36 292)  no Hoare annotation was computed.
[2020-09-25 09:11:10,217 INFO  L268        CegarLoopResult]: For program point  L251(line 251)  no Hoare annotation was computed.
[2020-09-25 09:11:10,217 INFO  L268        CegarLoopResult]: For program point  L185(line 185)  no Hoare annotation was computed.
[2020-09-25 09:11:10,217 INFO  L268        CegarLoopResult]: For program point  L152(line 152)  no Hoare annotation was computed.
[2020-09-25 09:11:10,217 INFO  L268        CegarLoopResult]: For program point  L86(line 86)  no Hoare annotation was computed.
[2020-09-25 09:11:10,218 INFO  L268        CegarLoopResult]: For program point  L53(line 53)  no Hoare annotation was computed.
[2020-09-25 09:11:10,218 INFO  L268        CegarLoopResult]: For program point  L20(line 20)  no Hoare annotation was computed.
[2020-09-25 09:11:10,218 INFO  L268        CegarLoopResult]: For program point  mainErr14ASSERT_VIOLATIONERROR_FUNCTION(line 243)  no Hoare annotation was computed.
[2020-09-25 09:11:10,218 INFO  L268        CegarLoopResult]: For program point  L235(line 235)  no Hoare annotation was computed.
[2020-09-25 09:11:10,218 INFO  L268        CegarLoopResult]: For program point  L169(line 169)  no Hoare annotation was computed.
[2020-09-25 09:11:10,218 INFO  L268        CegarLoopResult]: For program point  L136(line 136)  no Hoare annotation was computed.
[2020-09-25 09:11:10,218 INFO  L268        CegarLoopResult]: For program point  L70(line 70)  no Hoare annotation was computed.
[2020-09-25 09:11:10,218 INFO  L268        CegarLoopResult]: For program point  L252(line 252)  no Hoare annotation was computed.
[2020-09-25 09:11:10,218 INFO  L268        CegarLoopResult]: For program point  L186(line 186)  no Hoare annotation was computed.
[2020-09-25 09:11:10,219 INFO  L268        CegarLoopResult]: For program point  L87(line 87)  no Hoare annotation was computed.
[2020-09-25 09:11:10,219 INFO  L268        CegarLoopResult]: For program point  L54(line 54)  no Hoare annotation was computed.
[2020-09-25 09:11:10,219 INFO  L264        CegarLoopResult]: At program point  L302(lines 23 310)  the Hoare annotation is:  (and (<= 0 main_~main__i~0) (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0))
[2020-09-25 09:11:10,219 INFO  L268        CegarLoopResult]: For program point  mainFINAL(lines 11 311)  no Hoare annotation was computed.
[2020-09-25 09:11:10,219 INFO  L268        CegarLoopResult]: For program point  L203(line 203)  no Hoare annotation was computed.
[2020-09-25 09:11:10,219 INFO  L268        CegarLoopResult]: For program point  mainErr13ASSERT_VIOLATIONERROR_FUNCTION(line 227)  no Hoare annotation was computed.
[2020-09-25 09:11:10,219 INFO  L268        CegarLoopResult]: For program point  L170(line 170)  no Hoare annotation was computed.
[2020-09-25 09:11:10,219 INFO  L268        CegarLoopResult]: For program point  L137(lines 137 281)  no Hoare annotation was computed.
[2020-09-25 09:11:10,220 INFO  L268        CegarLoopResult]: For program point  L104(line 104)  no Hoare annotation was computed.
[2020-09-25 09:11:10,220 INFO  L268        CegarLoopResult]: For program point  L71(line 71)  no Hoare annotation was computed.
[2020-09-25 09:11:10,220 INFO  L268        CegarLoopResult]: For program point  L253(lines 253 263)  no Hoare annotation was computed.
[2020-09-25 09:11:10,220 INFO  L268        CegarLoopResult]: For program point  L187(line 187)  no Hoare annotation was computed.
[2020-09-25 09:11:10,220 INFO  L268        CegarLoopResult]: For program point  L55(lines 55 284)  no Hoare annotation was computed.
[2020-09-25 09:11:10,221 INFO  L268        CegarLoopResult]: For program point  L237(line 237)  no Hoare annotation was computed.
[2020-09-25 09:11:10,221 INFO  L268        CegarLoopResult]: For program point  L204(line 204)  no Hoare annotation was computed.
[2020-09-25 09:11:10,221 INFO  L268        CegarLoopResult]: For program point  mainErr8ASSERT_VIOLATIONERROR_FUNCTION(line 163)  no Hoare annotation was computed.
[2020-09-25 09:11:10,221 INFO  L268        CegarLoopResult]: For program point  L171(line 171)  no Hoare annotation was computed.
[2020-09-25 09:11:10,223 INFO  L268        CegarLoopResult]: For program point  L105(line 105)  no Hoare annotation was computed.
[2020-09-25 09:11:10,223 INFO  L268        CegarLoopResult]: For program point  L72(lines 72 127)  no Hoare annotation was computed.
[2020-09-25 09:11:10,223 INFO  L268        CegarLoopResult]: For program point  L39(line 39)  no Hoare annotation was computed.
[2020-09-25 09:11:10,223 INFO  L268        CegarLoopResult]: For program point  L221(line 221)  no Hoare annotation was computed.
[2020-09-25 09:11:10,223 INFO  L268        CegarLoopResult]: For program point  L188(line 188)  no Hoare annotation was computed.
[2020-09-25 09:11:10,223 INFO  L268        CegarLoopResult]: For program point  L238(line 238)  no Hoare annotation was computed.
[2020-09-25 09:11:10,224 INFO  L268        CegarLoopResult]: For program point  mainErr15ASSERT_VIOLATIONERROR_FUNCTION(line 255)  no Hoare annotation was computed.
[2020-09-25 09:11:10,224 INFO  L268        CegarLoopResult]: For program point  L172(line 172)  no Hoare annotation was computed.
[2020-09-25 09:11:10,224 INFO  L268        CegarLoopResult]: For program point  L139(line 139)  no Hoare annotation was computed.
[2020-09-25 09:11:10,224 INFO  L268        CegarLoopResult]: For program point  L106(line 106)  no Hoare annotation was computed.
[2020-09-25 09:11:10,224 INFO  L268        CegarLoopResult]: For program point  L40(line 40)  no Hoare annotation was computed.
[2020-09-25 09:11:10,224 INFO  L268        CegarLoopResult]: For program point  L255(line 255)  no Hoare annotation was computed.
[2020-09-25 09:11:10,224 INFO  L268        CegarLoopResult]: For program point  L222(line 222)  no Hoare annotation was computed.
[2020-09-25 09:11:10,224 INFO  L268        CegarLoopResult]: For program point  L189(lines 189 273)  no Hoare annotation was computed.
[2020-09-25 09:11:10,225 INFO  L268        CegarLoopResult]: For program point  L57(line 57)  no Hoare annotation was computed.
[2020-09-25 09:11:10,225 INFO  L268        CegarLoopResult]: For program point  L24(line 24)  no Hoare annotation was computed.
[2020-09-25 09:11:10,226 INFO  L268        CegarLoopResult]: For program point  L24-1(line 24)  no Hoare annotation was computed.
[2020-09-25 09:11:10,226 INFO  L268        CegarLoopResult]: For program point  L24-2(line 24)  no Hoare annotation was computed.
[2020-09-25 09:11:10,226 INFO  L268        CegarLoopResult]: For program point  L239(line 239)  no Hoare annotation was computed.
[2020-09-25 09:11:10,226 INFO  L268        CegarLoopResult]: For program point  L173(lines 173 275)  no Hoare annotation was computed.
[2020-09-25 09:11:10,226 INFO  L268        CegarLoopResult]: For program point  L140(line 140)  no Hoare annotation was computed.
[2020-09-25 09:11:10,226 INFO  L268        CegarLoopResult]: For program point  L107(line 107)  no Hoare annotation was computed.
[2020-09-25 09:11:10,226 INFO  L268        CegarLoopResult]: For program point  L74(line 74)  no Hoare annotation was computed.
[2020-09-25 09:11:10,226 INFO  L268        CegarLoopResult]: For program point  mainErr10ASSERT_VIOLATIONERROR_FUNCTION(line 191)  no Hoare annotation was computed.
[2020-09-25 09:11:10,227 INFO  L268        CegarLoopResult]: For program point  L41(line 41)  no Hoare annotation was computed.
[2020-09-25 09:11:10,227 INFO  L268        CegarLoopResult]: For program point  L256(line 256)  no Hoare annotation was computed.
[2020-09-25 09:11:10,228 INFO  L268        CegarLoopResult]: For program point  L223(line 223)  no Hoare annotation was computed.
[2020-09-25 09:11:10,228 INFO  L268        CegarLoopResult]: For program point  L157(line 157)  no Hoare annotation was computed.
[2020-09-25 09:11:10,228 INFO  L268        CegarLoopResult]: For program point  L58(line 58)  no Hoare annotation was computed.
[2020-09-25 09:11:10,228 INFO  L268        CegarLoopResult]: For program point  L25(line 25)  no Hoare annotation was computed.
[2020-09-25 09:11:10,228 INFO  L268        CegarLoopResult]: For program point  L240(line 240)  no Hoare annotation was computed.
[2020-09-25 09:11:10,229 INFO  L268        CegarLoopResult]: For program point  mainErr9ASSERT_VIOLATIONERROR_FUNCTION(line 175)  no Hoare annotation was computed.
[2020-09-25 09:11:10,229 INFO  L268        CegarLoopResult]: For program point  L108(lines 108 121)  no Hoare annotation was computed.
[2020-09-25 09:11:10,229 INFO  L268        CegarLoopResult]: For program point  L75(line 75)  no Hoare annotation was computed.
[2020-09-25 09:11:10,229 INFO  L268        CegarLoopResult]: For program point  L42(line 42)  no Hoare annotation was computed.
[2020-09-25 09:11:10,229 INFO  L268        CegarLoopResult]: For program point  L224(line 224)  no Hoare annotation was computed.
[2020-09-25 09:11:10,229 INFO  L268        CegarLoopResult]: For program point  L191(line 191)  no Hoare annotation was computed.
[2020-09-25 09:11:10,229 INFO  L268        CegarLoopResult]: For program point  L158(line 158)  no Hoare annotation was computed.
[2020-09-25 09:11:10,230 INFO  L268        CegarLoopResult]: For program point  mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 98)  no Hoare annotation was computed.
[2020-09-25 09:11:10,230 INFO  L268        CegarLoopResult]: For program point  L92(line 92)  no Hoare annotation was computed.
[2020-09-25 09:11:10,230 INFO  L268        CegarLoopResult]: For program point  L26(line 26)  no Hoare annotation was computed.
[2020-09-25 09:11:10,230 INFO  L268        CegarLoopResult]: For program point  L307(line 307)  no Hoare annotation was computed.
[2020-09-25 09:11:10,231 INFO  L268        CegarLoopResult]: For program point  L241(lines 241 265)  no Hoare annotation was computed.
[2020-09-25 09:11:10,231 INFO  L268        CegarLoopResult]: For program point  L175(line 175)  no Hoare annotation was computed.
[2020-09-25 09:11:10,231 INFO  L268        CegarLoopResult]: For program point  L43(lines 43 286)  no Hoare annotation was computed.
[2020-09-25 09:11:10,232 INFO  L264        CegarLoopResult]: At program point  L291(lines 36 292)  the Hoare annotation is:  (and (<= 0 main_~main__i~0) (<= 0 main_~main__j~0) (< main_~main__i~0 main_~main__len~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0))
[2020-09-25 09:11:10,232 INFO  L268        CegarLoopResult]: For program point  L225(lines 225 267)  no Hoare annotation was computed.
[2020-09-25 09:11:10,232 INFO  L268        CegarLoopResult]: For program point  L192(line 192)  no Hoare annotation was computed.
[2020-09-25 09:11:10,232 INFO  L268        CegarLoopResult]: For program point  L159(line 159)  no Hoare annotation was computed.
[2020-09-25 09:11:10,232 INFO  L268        CegarLoopResult]: For program point  L93(line 93)  no Hoare annotation was computed.
[2020-09-25 09:11:10,233 INFO  L268        CegarLoopResult]: For program point  L308(line 308)  no Hoare annotation was computed.
[2020-09-25 09:11:10,233 INFO  L268        CegarLoopResult]: For program point  L209(line 209)  no Hoare annotation was computed.
[2020-09-25 09:11:10,233 INFO  L268        CegarLoopResult]: For program point  L176(line 176)  no Hoare annotation was computed.
[2020-09-25 09:11:10,233 INFO  L268        CegarLoopResult]: For program point  L110(line 110)  no Hoare annotation was computed.
[2020-09-25 09:11:10,233 INFO  L268        CegarLoopResult]: For program point  mainErr11ASSERT_VIOLATIONERROR_FUNCTION(line 203)  no Hoare annotation was computed.
[2020-09-25 09:11:10,233 INFO  L268        CegarLoopResult]: For program point  L160(line 160)  no Hoare annotation was computed.
[2020-09-25 09:11:10,233 INFO  L268        CegarLoopResult]: For program point  L94(line 94)  no Hoare annotation was computed.
[2020-09-25 09:11:10,234 INFO  L268        CegarLoopResult]: For program point  mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 139)  no Hoare annotation was computed.
[2020-09-25 09:11:10,234 INFO  L268        CegarLoopResult]: For program point  L243(line 243)  no Hoare annotation was computed.
[2020-09-25 09:11:10,234 INFO  L268        CegarLoopResult]: For program point  L210(line 210)  no Hoare annotation was computed.
[2020-09-25 09:11:10,234 INFO  L268        CegarLoopResult]: For program point  L111(line 111)  no Hoare annotation was computed.
[2020-09-25 09:11:10,234 INFO  L268        CegarLoopResult]: For program point  L45(line 45)  no Hoare annotation was computed.
[2020-09-25 09:11:10,234 INFO  L268        CegarLoopResult]: For program point  L260(line 260)  no Hoare annotation was computed.
[2020-09-25 09:11:10,235 INFO  L268        CegarLoopResult]: For program point  L227(line 227)  no Hoare annotation was computed.
[2020-09-25 09:11:10,235 INFO  L268        CegarLoopResult]: For program point  L161(lines 161 277)  no Hoare annotation was computed.
[2020-09-25 09:11:10,235 INFO  L268        CegarLoopResult]: For program point  L95(line 95)  no Hoare annotation was computed.
[2020-09-25 09:11:10,235 INFO  L268        CegarLoopResult]: For program point  L62(line 62)  no Hoare annotation was computed.
[2020-09-25 09:11:10,235 INFO  L268        CegarLoopResult]: For program point  mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 110)  no Hoare annotation was computed.
[2020-09-25 09:11:10,235 INFO  L268        CegarLoopResult]: For program point  L244(line 244)  no Hoare annotation was computed.
[2020-09-25 09:11:10,236 INFO  L268        CegarLoopResult]: For program point  L211(line 211)  no Hoare annotation was computed.
[2020-09-25 09:11:10,236 INFO  L268        CegarLoopResult]: For program point  L145(line 145)  no Hoare annotation was computed.
[2020-09-25 09:11:10,236 INFO  L268        CegarLoopResult]: For program point  L46(line 46)  no Hoare annotation was computed.
[2020-09-25 09:11:10,236 INFO  L268        CegarLoopResult]: For program point  L261(line 261)  no Hoare annotation was computed.
[2020-09-25 09:11:10,236 INFO  L268        CegarLoopResult]: For program point  L228(line 228)  no Hoare annotation was computed.
[2020-09-25 09:11:10,236 INFO  L268        CegarLoopResult]: For program point  mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 45)  no Hoare annotation was computed.
[2020-09-25 09:11:10,236 INFO  L268        CegarLoopResult]: For program point  L96(lines 96 123)  no Hoare annotation was computed.
[2020-09-25 09:11:10,236 INFO  L268        CegarLoopResult]: For program point  L63(line 63)  no Hoare annotation was computed.
[2020-09-25 09:11:10,237 INFO  L268        CegarLoopResult]: For program point  L30(line 30)  no Hoare annotation was computed.
[2020-09-25 09:11:10,237 INFO  L268        CegarLoopResult]: For program point  L63-1(line 63)  no Hoare annotation was computed.
[2020-09-25 09:11:10,237 INFO  L264        CegarLoopResult]: At program point  mainENTRY(lines 11 311)  the Hoare annotation is:  (= |old(~__return_334~0)| ~__return_334~0)
[2020-09-25 09:11:10,237 INFO  L268        CegarLoopResult]: For program point  L63-2(line 63)  no Hoare annotation was computed.
[2020-09-25 09:11:10,237 INFO  L268        CegarLoopResult]: For program point  L212(line 212)  no Hoare annotation was computed.
[2020-09-25 09:11:10,237 INFO  L268        CegarLoopResult]: For program point  L146(line 146)  no Hoare annotation was computed.
[2020-09-25 09:11:10,237 INFO  L268        CegarLoopResult]: For program point  L80(line 80)  no Hoare annotation was computed.
[2020-09-25 09:11:10,237 INFO  L268        CegarLoopResult]: For program point  L14(line 14)  no Hoare annotation was computed.
[2020-09-25 09:11:10,238 INFO  L264        CegarLoopResult]: At program point  L262(lines 29 304)  the Hoare annotation is:  (let ((.cse1 (<= (+ main_~main__j~0 4) main_~main__bufsize~0)) (.cse4 (<= 0 main_~main__i~0)) (.cse5 (<= 0 main_~main__j~0)) (.cse6 (= |old(~__return_334~0)| ~__return_334~0))) (let ((.cse0 (<= 1 main_~main__j~0)) (.cse2 (let ((.cse7 (<= 1 main_~main__i~0))) (or (and .cse4 .cse5 .cse7 .cse1 .cse6) (and .cse4 .cse5 .cse7 (<= 1 main_~__tmp_13~0) .cse6 (<= 1 main_~__VERIFIER_assert__cond~12))))) (.cse3 (<= (+ main_~main__limit~0 4) main_~main__bufsize~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 (<= (+ main_~main__i~0 1) main_~main__len~0) .cse6 .cse3) (and .cse0 (<= 1 main_~__VERIFIER_assert__cond~14) (<= 1 main_~__tmp_15~0) .cse2 .cse3))))
[2020-09-25 09:11:10,238 INFO  L268        CegarLoopResult]: For program point  L163(line 163)  no Hoare annotation was computed.
[2020-09-25 09:11:10,238 INFO  L268        CegarLoopResult]: For program point  L64(lines 64 283)  no Hoare annotation was computed.
[2020-09-25 09:11:10,238 INFO  L268        CegarLoopResult]: For program point  mainErr7ASSERT_VIOLATIONERROR_FUNCTION(line 151)  no Hoare annotation was computed.
[2020-09-25 09:11:10,238 INFO  L268        CegarLoopResult]: For program point  L213(lines 213 269)  no Hoare annotation was computed.
[2020-09-25 09:11:10,238 INFO  L268        CegarLoopResult]: For program point  L180(line 180)  no Hoare annotation was computed.
[2020-09-25 09:11:10,239 INFO  L268        CegarLoopResult]: For program point  L147(line 147)  no Hoare annotation was computed.
[2020-09-25 09:11:10,239 INFO  L268        CegarLoopResult]: For program point  L81(line 81)  no Hoare annotation was computed.
[2020-09-25 09:11:10,239 INFO  L268        CegarLoopResult]: For program point  L15(line 15)  no Hoare annotation was computed.
[2020-09-25 09:11:10,239 INFO  L268        CegarLoopResult]: For program point  L197(line 197)  no Hoare annotation was computed.
[2020-09-25 09:11:10,239 INFO  L268        CegarLoopResult]: For program point  L164(line 164)  no Hoare annotation was computed.
[2020-09-25 09:11:10,239 INFO  L268        CegarLoopResult]: For program point  L98(line 98)  no Hoare annotation was computed.
[2020-09-25 09:11:10,239 INFO  L268        CegarLoopResult]: For program point  mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 74)  no Hoare annotation was computed.
[2020-09-25 09:11:10,239 INFO  L268        CegarLoopResult]: For program point  L181(line 181)  no Hoare annotation was computed.
[2020-09-25 09:11:10,239 INFO  L268        CegarLoopResult]: For program point  L148(line 148)  no Hoare annotation was computed.
[2020-09-25 09:11:10,240 INFO  L268        CegarLoopResult]: For program point  L115(line 115)  no Hoare annotation was computed.
[2020-09-25 09:11:10,240 INFO  L268        CegarLoopResult]: For program point  L82(line 82)  no Hoare annotation was computed.
[2020-09-25 09:11:10,240 INFO  L268        CegarLoopResult]: For program point  L16(line 16)  no Hoare annotation was computed.
[2020-09-25 09:11:10,240 INFO  L268        CegarLoopResult]: For program point  L198(line 198)  no Hoare annotation was computed.
[2020-09-25 09:11:10,240 INFO  L268        CegarLoopResult]: For program point  L99(line 99)  no Hoare annotation was computed.
[2020-09-25 09:11:10,240 INFO  L268        CegarLoopResult]: For program point  mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 57)  no Hoare annotation was computed.
[2020-09-25 09:11:10,240 INFO  L268        CegarLoopResult]: For program point  L215(line 215)  no Hoare annotation was computed.
[2020-09-25 09:11:10,240 INFO  L268        CegarLoopResult]: For program point  L182(line 182)  no Hoare annotation was computed.
[2020-09-25 09:11:10,240 INFO  L268        CegarLoopResult]: For program point  L149(lines 149 279)  no Hoare annotation was computed.
[2020-09-25 09:11:10,241 INFO  L268        CegarLoopResult]: For program point  L116(line 116)  no Hoare annotation was computed.
[2020-09-25 09:11:10,241 INFO  L268        CegarLoopResult]: For program point  L83(line 83)  no Hoare annotation was computed.
[2020-09-25 09:11:10,241 INFO  L268        CegarLoopResult]: For program point  L17(line 17)  no Hoare annotation was computed.
[2020-09-25 09:11:10,241 INFO  L268        CegarLoopResult]: For program point  L17-1(line 17)  no Hoare annotation was computed.
[2020-09-25 09:11:10,241 INFO  L268        CegarLoopResult]: For program point  L17-2(line 17)  no Hoare annotation was computed.
[2020-09-25 09:11:10,241 INFO  L268        CegarLoopResult]: For program point  L232(line 232)  no Hoare annotation was computed.
[2020-09-25 09:11:10,241 INFO  L268        CegarLoopResult]: For program point  L199(line 199)  no Hoare annotation was computed.
[2020-09-25 09:11:10,241 INFO  L268        CegarLoopResult]: For program point  L133(line 133)  no Hoare annotation was computed.
[2020-09-25 09:11:10,241 INFO  L268        CegarLoopResult]: For program point  L34(lines 34 298)  no Hoare annotation was computed.
[2020-09-25 09:11:10,242 INFO  L268        CegarLoopResult]: For program point  L249(line 249)  no Hoare annotation was computed.
[2020-09-25 09:11:10,242 INFO  L268        CegarLoopResult]: For program point  L216(line 216)  no Hoare annotation was computed.
[2020-09-25 09:11:10,242 INFO  L268        CegarLoopResult]: For program point  L183(line 183)  no Hoare annotation was computed.
[2020-09-25 09:11:10,242 INFO  L268        CegarLoopResult]: For program point  L117(line 117)  no Hoare annotation was computed.
[2020-09-25 09:11:10,242 INFO  L268        CegarLoopResult]: For program point  L84(lines 84 125)  no Hoare annotation was computed.
[2020-09-25 09:11:10,242 INFO  L268        CegarLoopResult]: For program point  L51(line 51)  no Hoare annotation was computed.
[2020-09-25 09:11:10,242 INFO  L268        CegarLoopResult]: For program point  L18(lines 18 310)  no Hoare annotation was computed.
[2020-09-25 09:11:10,242 INFO  L268        CegarLoopResult]: For program point  mainErr12ASSERT_VIOLATIONERROR_FUNCTION(line 215)  no Hoare annotation was computed.
[2020-09-25 09:11:10,242 INFO  L268        CegarLoopResult]: For program point  L233(line 233)  no Hoare annotation was computed.
[2020-09-25 09:11:10,243 INFO  L268        CegarLoopResult]: For program point  L200(line 200)  no Hoare annotation was computed.
[2020-09-25 09:11:10,243 INFO  L268        CegarLoopResult]: For program point  L134(line 134)  no Hoare annotation was computed.
[2020-09-25 09:11:10,286 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 09:11:10 BoogieIcfgContainer
[2020-09-25 09:11:10,286 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-25 09:11:10,289 INFO  L168              Benchmark]: Toolchain (without parser) took 18370.40 ms. Allocated memory was 146.8 MB in the beginning and 377.0 MB in the end (delta: 230.2 MB). Free memory was 102.6 MB in the beginning and 128.5 MB in the end (delta: -25.9 MB). Peak memory consumption was 217.8 MB. Max. memory is 7.1 GB.
[2020-09-25 09:11:10,292 INFO  L168              Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 146.8 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-09-25 09:11:10,293 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 382.23 ms. Allocated memory is still 146.8 MB. Free memory was 101.9 MB in the beginning and 89.9 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB.
[2020-09-25 09:11:10,294 INFO  L168              Benchmark]: Boogie Preprocessor took 127.13 ms. Allocated memory was 146.8 MB in the beginning and 202.4 MB in the end (delta: 55.6 MB). Free memory was 89.9 MB in the beginning and 179.6 MB in the end (delta: -89.8 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB.
[2020-09-25 09:11:10,295 INFO  L168              Benchmark]: RCFGBuilder took 580.02 ms. Allocated memory is still 202.4 MB. Free memory was 179.6 MB in the beginning and 148.4 MB in the end (delta: 31.2 MB). Peak memory consumption was 31.2 MB. Max. memory is 7.1 GB.
[2020-09-25 09:11:10,296 INFO  L168              Benchmark]: TraceAbstraction took 17268.99 ms. Allocated memory was 202.4 MB in the beginning and 377.0 MB in the end (delta: 174.6 MB). Free memory was 148.4 MB in the beginning and 128.5 MB in the end (delta: 20.0 MB). Peak memory consumption was 208.0 MB. Max. memory is 7.1 GB.
[2020-09-25 09:11:10,303 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.28 ms. Allocated memory is still 146.8 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 382.23 ms. Allocated memory is still 146.8 MB. Free memory was 101.9 MB in the beginning and 89.9 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 127.13 ms. Allocated memory was 146.8 MB in the beginning and 202.4 MB in the end (delta: 55.6 MB). Free memory was 89.9 MB in the beginning and 179.6 MB in the end (delta: -89.8 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 580.02 ms. Allocated memory is still 202.4 MB. Free memory was 179.6 MB in the beginning and 148.4 MB in the end (delta: 31.2 MB). Peak memory consumption was 31.2 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 17268.99 ms. Allocated memory was 202.4 MB in the beginning and 377.0 MB in the end (delta: 174.6 MB). Free memory was 148.4 MB in the beginning and 128.5 MB in the end (delta: 20.0 MB). Peak memory consumption was 208.0 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 45]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - PositiveResult [Line: 255]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - PositiveResult [Line: 151]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - PositiveResult [Line: 163]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - PositiveResult [Line: 227]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - PositiveResult [Line: 175]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - PositiveResult [Line: 191]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - PositiveResult [Line: 243]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - PositiveResult [Line: 215]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - PositiveResult [Line: 98]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - PositiveResult [Line: 203]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - PositiveResult [Line: 74]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - PositiveResult [Line: 139]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - PositiveResult [Line: 110]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - PositiveResult [Line: 86]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - PositiveResult [Line: 57]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - AllSpecificationsHoldResult: All specifications hold
    16 specifications checked. All of them hold
  - InvariantResult [Line: 29]: Loop Invariant
    Derived loop invariant: ((((1 <= main__j && main__j + 4 <= main__bufsize) && (((((0 <= main__i && 0 <= main__j) && 1 <= main__i) && main__j + 4 <= main__bufsize) && \old(__return_334) == __return_334) || (((((0 <= main__i && 0 <= main__j) && 1 <= main__i) && 1 <= __tmp_13) && \old(__return_334) == __return_334) && 1 <= __VERIFIER_assert__cond))) && main__limit + 4 <= main__bufsize) || ((((0 <= main__i && 0 <= main__j) && main__i + 1 <= main__len) && \old(__return_334) == __return_334) && main__limit + 4 <= main__bufsize)) || ((((1 <= main__j && 1 <= __VERIFIER_assert__cond) && 1 <= __tmp_15) && (((((0 <= main__i && 0 <= main__j) && 1 <= main__i) && main__j + 4 <= main__bufsize) && \old(__return_334) == __return_334) || (((((0 <= main__i && 0 <= main__j) && 1 <= main__i) && 1 <= __tmp_13) && \old(__return_334) == __return_334) && 1 <= __VERIFIER_assert__cond))) && main__limit + 4 <= main__bufsize)
  - InvariantResult [Line: 36]: Loop Invariant
    Derived loop invariant: ((((0 <= main__i && 0 <= main__j) && main__i < main__len) && main__j + 5 <= main__bufsize) && \old(__return_334) == __return_334) && main__limit + 4 <= main__bufsize
  - InvariantResult [Line: 23]: Loop Invariant
    Derived loop invariant: (0 <= main__i && \old(__return_334) == __return_334) && main__limit + 4 <= main__bufsize
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 4 procedures, 183 locations, 16 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.6s, OverallIterations: 16, TraceHistogramMax: 1, AutomataDifference: 7.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3436 SDtfs, 8435 SDslu, 384 SDs, 0 SdLazy, 6016 SolverSat, 233 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 233 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 168 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=178occurred 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: 0.1s AutomataMinimizationTime, 16 MinimizatonAttempts, 1615 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 36 NumberOfFragments, 173 HoareAnnotationTreeSize, 7 FomulaSimplifications, 1258113168 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 126636 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 5.9s InterpolantComputationTime, 922 NumberOfCodeBlocks, 922 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 906 ConstructedInterpolants, 0 QuantifiedInterpolants, 179646 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 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...