/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=LOWLEXORDER --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-invgen/apache-get-tag.i.v+nlh-reducer.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-c90d42b
[2020-09-24 21:51:04,308 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-24 21:51:04,313 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-24 21:51:04,358 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-24 21:51:04,358 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-24 21:51:04,360 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-24 21:51:04,361 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-24 21:51:04,363 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-24 21:51:04,365 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-24 21:51:04,366 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-24 21:51:04,367 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-24 21:51:04,369 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-24 21:51:04,369 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-24 21:51:04,370 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-24 21:51:04,371 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-24 21:51:04,373 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-24 21:51:04,374 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-24 21:51:04,375 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-24 21:51:04,377 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-24 21:51:04,379 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-24 21:51:04,381 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-24 21:51:04,382 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-24 21:51:04,383 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-24 21:51:04,384 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-24 21:51:04,387 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-24 21:51:04,387 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-24 21:51:04,388 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-24 21:51:04,389 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-24 21:51:04,389 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-24 21:51:04,390 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-24 21:51:04,391 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-24 21:51:04,391 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-24 21:51:04,392 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-24 21:51:04,393 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-24 21:51:04,395 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-24 21:51:04,395 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-24 21:51:04,396 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-24 21:51:04,396 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-24 21:51:04,396 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-24 21:51:04,397 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-24 21:51:04,398 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-24 21:51:04,399 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
[2020-09-24 21:51:04,430 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-24 21:51:04,430 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-24 21:51:04,434 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-24 21:51:04,434 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-24 21:51:04,434 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-24 21:51:04,434 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-24 21:51:04,435 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-24 21:51:04,435 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-24 21:51:04,435 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-24 21:51:04,435 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-24 21:51:04,435 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-24 21:51:04,436 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-24 21:51:04,437 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-24 21:51:04,437 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-24 21:51:04,437 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-24 21:51:04,437 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-24 21:51:04,437 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-24 21:51:04,438 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-24 21:51:04,438 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-24 21:51:04,438 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-24 21:51:04,438 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-24 21:51:04,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-24 21:51:04,439 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-24 21:51:04,439 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-24 21:51:04,440 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-24 21:51:04,440 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-24 21:51:04,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-24 21:51:04,440 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-24 21:51:04,441 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-24 21:51:04,441 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=LOWLEXORDER;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=LOWLEXORDER;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=LOWLEXORDER;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=LOWLEXORDER;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=LOWLEXORDER;log-additional-information=true;
[2020-09-24 21:51:04,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-24 21:51:04,939 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-24 21:51:04,944 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-24 21:51:04,946 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-24 21:51:04,948 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-24 21:51:04,949 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/apache-get-tag.i.v+nlh-reducer.c
[2020-09-24 21:51:05,033 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/452d17ad7/f09dd50504144cf3b06a79af094b10a6/FLAGfaad48623
[2020-09-24 21:51:05,599 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-24 21:51:05,600 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.v+nlh-reducer.c
[2020-09-24 21:51:05,610 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/452d17ad7/f09dd50504144cf3b06a79af094b10a6/FLAGfaad48623
[2020-09-24 21:51:05,907 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/452d17ad7/f09dd50504144cf3b06a79af094b10a6
[2020-09-24 21:51:05,920 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-24 21:51:05,926 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-24 21:51:05,927 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-24 21:51:05,927 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-24 21:51:05,931 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-24 21:51:05,933 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 09:51:05" (1/1) ...
[2020-09-24 21:51:05,937 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70c28f8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:51:05, skipping insertion in model container
[2020-09-24 21:51:05,938 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 09:51:05" (1/1) ...
[2020-09-24 21:51:05,947 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-24 21:51:06,015 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-24 21:51:06,254 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-24 21:51:06,261 INFO L203 MainTranslator]: Completed pre-run
[2020-09-24 21:51:06,302 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-24 21:51:06,321 INFO L208 MainTranslator]: Completed translation
[2020-09-24 21:51:06,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:51:06 WrapperNode
[2020-09-24 21:51:06,322 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-24 21:51:06,323 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-24 21:51:06,323 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-24 21:51:06,324 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-24 21:51:06,420 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:51:06" (1/1) ...
[2020-09-24 21:51:06,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:51:06" (1/1) ...
[2020-09-24 21:51:06,429 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:51:06" (1/1) ...
[2020-09-24 21:51:06,429 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:51:06" (1/1) ...
[2020-09-24 21:51:06,438 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:51:06" (1/1) ...
[2020-09-24 21:51:06,443 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:51:06" (1/1) ...
[2020-09-24 21:51:06,445 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:51:06" (1/1) ...
[2020-09-24 21:51:06,448 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-24 21:51:06,449 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-24 21:51:06,449 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-24 21:51:06,449 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-24 21:51:06,451 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:51:06" (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
[2020-09-24 21:51:06,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-24 21:51:06,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-24 21:51:06,534 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2020-09-24 21:51:06,534 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-24 21:51:06,535 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-24 21:51:06,535 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2020-09-24 21:51:06,535 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2020-09-24 21:51:06,535 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2020-09-24 21:51:06,535 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-24 21:51:06,535 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-24 21:51:06,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-24 21:51:06,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-24 21:51:07,092 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-24 21:51:07,092 INFO L295 CfgBuilder]: Removed 0 assume(true) statements.
[2020-09-24 21:51:07,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 09:51:07 BoogieIcfgContainer
[2020-09-24 21:51:07,100 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-24 21:51:07,102 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-24 21:51:07,102 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-24 21:51:07,106 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-24 21:51:07,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 09:51:05" (1/3) ...
[2020-09-24 21:51:07,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@253dfc86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 09:51:07, skipping insertion in model container
[2020-09-24 21:51:07,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:51:06" (2/3) ...
[2020-09-24 21:51:07,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@253dfc86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 09:51:07, skipping insertion in model container
[2020-09-24 21:51:07,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 09:51:07" (3/3) ...
[2020-09-24 21:51:07,111 INFO L109 eAbstractionObserver]: Analyzing ICFG apache-get-tag.i.v+nlh-reducer.c
[2020-09-24 21:51:07,123 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-24 21:51:07,135 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 17 error locations.
[2020-09-24 21:51:07,159 INFO L251 AbstractCegarLoop]: Starting to check reachability of 17 error locations.
[2020-09-24 21:51:07,195 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-24 21:51:07,196 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-24 21:51:07,196 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-24 21:51:07,196 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-24 21:51:07,196 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-24 21:51:07,197 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-24 21:51:07,197 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-24 21:51:07,197 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-24 21:51:07,229 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states.
[2020-09-24 21:51:07,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2020-09-24 21:51:07,238 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 21:51:07,239 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]
[2020-09-24 21:51:07,240 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 21:51:07,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 21:51:07,249 INFO L82 PathProgramCache]: Analyzing trace with hash 1480175740, now seen corresponding path program 1 times
[2020-09-24 21:51:07,260 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 21:51:07,261 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2094861994]
[2020-09-24 21:51:07,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 21:51:07,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:51:07,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:07,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:51:07,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37
[2020-09-24 21:51:07,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 21:51:07,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 285
[2020-09-24 21:51:07,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER
[2020-09-24 21:51:07,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-24 21:51:07,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21
[2020-09-24 21:51:07,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15
[2020-09-24 21:51:07,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3
[2020-09-24 21:51:07,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 21:51:07,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:51:07,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:07,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:51:07,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-24 21:51:07,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 21:51:07,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-24 21:51:07,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER
[2020-09-24 21:51:07,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 21:51:07,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 21:51:07,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 21:51:07,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 21:51:07,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 21:51:07,836 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2094861994]
[2020-09-24 21:51:07,838 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 21:51:07,838 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-09-24 21:51:07,839 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055512206]
[2020-09-24 21:51:07,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-09-24 21:51:07,846 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 21:51:07,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-09-24 21:51:07,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-09-24 21:51:07,868 INFO L87 Difference]: Start difference. First operand 209 states. Second operand 6 states.
[2020-09-24 21:51:08,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 21:51:08,463 INFO L93 Difference]: Finished difference Result 221 states and 247 transitions.
[2020-09-24 21:51:08,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2020-09-24 21:51:08,465 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30
[2020-09-24 21:51:08,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 21:51:08,481 INFO L225 Difference]: With dead ends: 221
[2020-09-24 21:51:08,481 INFO L226 Difference]: Without dead ends: 181
[2020-09-24 21:51:08,486 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2020-09-24 21:51:08,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states.
[2020-09-24 21:51:08,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181.
[2020-09-24 21:51:08,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states.
[2020-09-24 21:51:08,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 185 transitions.
[2020-09-24 21:51:08,554 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 185 transitions. Word has length 30
[2020-09-24 21:51:08,554 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 21:51:08,554 INFO L479 AbstractCegarLoop]: Abstraction has 181 states and 185 transitions.
[2020-09-24 21:51:08,554 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-09-24 21:51:08,555 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 185 transitions.
[2020-09-24 21:51:08,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34
[2020-09-24 21:51:08,556 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 21:51:08,556 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 21:51:08,557 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-24 21:51:08,557 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 21:51:08,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 21:51:08,558 INFO L82 PathProgramCache]: Analyzing trace with hash 983595193, now seen corresponding path program 1 times
[2020-09-24 21:51:08,558 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 21:51:08,559 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [761109070]
[2020-09-24 21:51:08,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 21:51:08,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:51:08,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:08,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:51:08,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40
[2020-09-24 21:51:08,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 21:51:08,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 247
[2020-09-24 21:51:08,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER
[2020-09-24 21:51:08,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-24 21:51:08,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20
[2020-09-24 21:51:08,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19
[2020-09-24 21:51:08,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 21:51:08,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 21:51:08,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:51:08,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:08,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:51:08,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-24 21:51:08,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 21:51:08,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-24 21:51:08,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER
[2020-09-24 21:51:08,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 21:51:08,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 21:51:08,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 21:51:08,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 21:51:08,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 21:51:08,947 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [761109070]
[2020-09-24 21:51:08,947 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 21:51:08,947 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-24 21:51:08,948 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839596578]
[2020-09-24 21:51:08,950 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-24 21:51:08,950 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 21:51:08,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-24 21:51:08,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-09-24 21:51:08,951 INFO L87 Difference]: Start difference. First operand 181 states and 185 transitions. Second operand 8 states.
[2020-09-24 21:51:09,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 21:51:09,744 INFO L93 Difference]: Finished difference Result 287 states and 293 transitions.
[2020-09-24 21:51:09,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2020-09-24 21:51:09,745 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33
[2020-09-24 21:51:09,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 21:51:09,749 INFO L225 Difference]: With dead ends: 287
[2020-09-24 21:51:09,749 INFO L226 Difference]: Without dead ends: 285
[2020-09-24 21:51:09,750 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240
[2020-09-24 21:51:09,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states.
[2020-09-24 21:51:09,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 179.
[2020-09-24 21:51:09,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states.
[2020-09-24 21:51:09,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 183 transitions.
[2020-09-24 21:51:09,767 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 183 transitions. Word has length 33
[2020-09-24 21:51:09,768 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 21:51:09,768 INFO L479 AbstractCegarLoop]: Abstraction has 179 states and 183 transitions.
[2020-09-24 21:51:09,768 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-24 21:51:09,768 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 183 transitions.
[2020-09-24 21:51:09,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2020-09-24 21:51:09,770 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 21:51:09,770 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]
[2020-09-24 21:51:09,770 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-24 21:51:09,771 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 21:51:09,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 21:51:09,771 INFO L82 PathProgramCache]: Analyzing trace with hash -378774596, now seen corresponding path program 1 times
[2020-09-24 21:51:09,771 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 21:51:09,772 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [406975888]
[2020-09-24 21:51:09,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 21:51:09,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:51:09,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:09,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:51:09,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42
[2020-09-24 21:51:09,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 21:51:09,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116
[2020-09-24 21:51:09,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER
[2020-09-24 21:51:09,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-24 21:51:09,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20
[2020-09-24 21:51:09,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21
[2020-09-24 21:51:09,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 21:51:09,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 21:51:09,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:51:09,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:09,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:51:09,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-24 21:51:09,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 21:51:09,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-24 21:51:09,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER
[2020-09-24 21:51:09,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 21:51:09,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 21:51:09,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 21:51:09,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 21:51:09,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 21:51:09,997 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [406975888]
[2020-09-24 21:51:09,997 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 21:51:09,997 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-24 21:51:09,997 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724902003]
[2020-09-24 21:51:09,998 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-24 21:51:09,999 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 21:51:09,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-24 21:51:09,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-09-24 21:51:10,000 INFO L87 Difference]: Start difference. First operand 179 states and 183 transitions. Second operand 8 states.
[2020-09-24 21:51:10,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 21:51:10,578 INFO L93 Difference]: Finished difference Result 179 states and 183 transitions.
[2020-09-24 21:51:10,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2020-09-24 21:51:10,579 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35
[2020-09-24 21:51:10,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 21:51:10,584 INFO L225 Difference]: With dead ends: 179
[2020-09-24 21:51:10,587 INFO L226 Difference]: Without dead ends: 177
[2020-09-24 21:51:10,588 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210
[2020-09-24 21:51:10,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states.
[2020-09-24 21:51:10,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177.
[2020-09-24 21:51:10,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states.
[2020-09-24 21:51:10,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 181 transitions.
[2020-09-24 21:51:10,606 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 181 transitions. Word has length 35
[2020-09-24 21:51:10,607 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 21:51:10,607 INFO L479 AbstractCegarLoop]: Abstraction has 177 states and 181 transitions.
[2020-09-24 21:51:10,607 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-24 21:51:10,607 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 181 transitions.
[2020-09-24 21:51:10,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2020-09-24 21:51:10,609 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 21:51:10,609 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 21:51:10,609 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-24 21:51:10,609 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 21:51:10,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 21:51:10,610 INFO L82 PathProgramCache]: Analyzing trace with hash 856839139, now seen corresponding path program 1 times
[2020-09-24 21:51:10,610 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 21:51:10,610 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1203096546]
[2020-09-24 21:51:10,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 21:51:10,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:51:10,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:10,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:10,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:10,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:11,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:12,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:51:12,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50
[2020-09-24 21:51:12,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5
[2020-09-24 21:51:12,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1433
[2020-09-24 21:51:12,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER
[2020-09-24 21:51:12,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-24 21:51:12,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20
[2020-09-24 21:51:12,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29
[2020-09-24 21:51:12,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 21:51:12,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 21:51:12,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:51:12,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:12,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:51:12,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-24 21:51:12,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 21:51:12,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 21:51:12,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER
[2020-09-24 21:51:12,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 21:51:12,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 21:51:12,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 21:51:12,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 21:51:12,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 21:51:12,142 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1203096546]
[2020-09-24 21:51:12,142 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 21:51:12,143 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-24 21:51:12,143 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817858412]
[2020-09-24 21:51:12,144 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-24 21:51:12,144 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 21:51:12,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-24 21:51:12,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-09-24 21:51:12,145 INFO L87 Difference]: Start difference. First operand 177 states and 181 transitions. Second operand 8 states.
[2020-09-24 21:51:12,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 21:51:12,650 INFO L93 Difference]: Finished difference Result 177 states and 181 transitions.
[2020-09-24 21:51:12,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2020-09-24 21:51:12,650 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 43
[2020-09-24 21:51:12,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 21:51:12,653 INFO L225 Difference]: With dead ends: 177
[2020-09-24 21:51:12,653 INFO L226 Difference]: Without dead ends: 175
[2020-09-24 21:51:12,653 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182
[2020-09-24 21:51:12,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states.
[2020-09-24 21:51:12,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175.
[2020-09-24 21:51:12,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states.
[2020-09-24 21:51:12,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 179 transitions.
[2020-09-24 21:51:12,664 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 179 transitions. Word has length 43
[2020-09-24 21:51:12,664 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 21:51:12,665 INFO L479 AbstractCegarLoop]: Abstraction has 175 states and 179 transitions.
[2020-09-24 21:51:12,665 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-24 21:51:12,665 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 179 transitions.
[2020-09-24 21:51:12,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2020-09-24 21:51:12,667 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 21:51:12,667 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 21:51:12,668 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-24 21:51:12,668 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 21:51:12,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 21:51:12,668 INFO L82 PathProgramCache]: Analyzing trace with hash -1814856032, now seen corresponding path program 1 times
[2020-09-24 21:51:12,669 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 21:51:12,669 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1882418129]
[2020-09-24 21:51:12,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 21:51:12,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:51:12,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:12,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:12,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:12,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:12,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:14,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:51:14,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50
[2020-09-24 21:51:14,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5
[2020-09-24 21:51:14,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1327
[2020-09-24 21:51:14,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER
[2020-09-24 21:51:14,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-24 21:51:14,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20
[2020-09-24 21:51:14,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29
[2020-09-24 21:51:14,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 21:51:14,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 21:51:14,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:51:14,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:14,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:51:14,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-24 21:51:14,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 21:51:14,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-24 21:51:14,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER
[2020-09-24 21:51:14,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 21:51:14,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 21:51:14,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 21:51:14,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 21:51:14,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 21:51:14,079 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1882418129]
[2020-09-24 21:51:14,080 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 21:51:14,080 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-24 21:51:14,080 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138373918]
[2020-09-24 21:51:14,081 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-24 21:51:14,081 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 21:51:14,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-24 21:51:14,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-09-24 21:51:14,082 INFO L87 Difference]: Start difference. First operand 175 states and 179 transitions. Second operand 8 states.
[2020-09-24 21:51:14,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 21:51:14,508 INFO L93 Difference]: Finished difference Result 175 states and 179 transitions.
[2020-09-24 21:51:14,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2020-09-24 21:51:14,509 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 43
[2020-09-24 21:51:14,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 21:51:14,512 INFO L225 Difference]: With dead ends: 175
[2020-09-24 21:51:14,512 INFO L226 Difference]: Without dead ends: 173
[2020-09-24 21:51:14,513 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182
[2020-09-24 21:51:14,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states.
[2020-09-24 21:51:14,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173.
[2020-09-24 21:51:14,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states.
[2020-09-24 21:51:14,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 177 transitions.
[2020-09-24 21:51:14,523 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 177 transitions. Word has length 43
[2020-09-24 21:51:14,523 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 21:51:14,523 INFO L479 AbstractCegarLoop]: Abstraction has 173 states and 177 transitions.
[2020-09-24 21:51:14,523 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-24 21:51:14,524 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 177 transitions.
[2020-09-24 21:51:14,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49
[2020-09-24 21:51:14,525 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 21:51:14,526 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 21:51:14,526 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-09-24 21:51:14,526 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 21:51:14,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 21:51:14,527 INFO L82 PathProgramCache]: Analyzing trace with hash -321095215, now seen corresponding path program 1 times
[2020-09-24 21:51:14,527 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 21:51:14,527 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1340066654]
[2020-09-24 21:51:14,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 21:51:14,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:51:14,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:14,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:14,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:15,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:51:15,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55
[2020-09-24 21:51:15,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-24 21:51:15,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 882
[2020-09-24 21:51:15,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER
[2020-09-24 21:51:15,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8
[2020-09-24 21:51:15,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20
[2020-09-24 21:51:15,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34
[2020-09-24 21:51:15,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 21:51:15,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 21:51:15,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:51:15,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:15,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:51:15,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-24 21:51:15,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 21:51:15,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 21:51:15,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER
[2020-09-24 21:51:15,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 21:51:15,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 21:51:15,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 21:51:15,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 12
[2020-09-24 21:51:15,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 21:51:15,531 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1340066654]
[2020-09-24 21:51:15,532 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 21:51:15,532 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-24 21:51:15,532 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755930706]
[2020-09-24 21:51:15,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-24 21:51:15,533 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 21:51:15,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-24 21:51:15,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-09-24 21:51:15,534 INFO L87 Difference]: Start difference. First operand 173 states and 177 transitions. Second operand 8 states.
[2020-09-24 21:51:15,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 21:51:15,989 INFO L93 Difference]: Finished difference Result 173 states and 177 transitions.
[2020-09-24 21:51:15,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2020-09-24 21:51:15,990 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 48
[2020-09-24 21:51:15,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 21:51:15,993 INFO L225 Difference]: With dead ends: 173
[2020-09-24 21:51:15,994 INFO L226 Difference]: Without dead ends: 161
[2020-09-24 21:51:15,995 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182
[2020-09-24 21:51:15,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states.
[2020-09-24 21:51:16,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161.
[2020-09-24 21:51:16,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states.
[2020-09-24 21:51:16,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 165 transitions.
[2020-09-24 21:51:16,013 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 165 transitions. Word has length 48
[2020-09-24 21:51:16,014 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 21:51:16,014 INFO L479 AbstractCegarLoop]: Abstraction has 161 states and 165 transitions.
[2020-09-24 21:51:16,014 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-24 21:51:16,014 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 165 transitions.
[2020-09-24 21:51:16,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49
[2020-09-24 21:51:16,019 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 21:51:16,020 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 21:51:16,020 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-09-24 21:51:16,020 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 21:51:16,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 21:51:16,023 INFO L82 PathProgramCache]: Analyzing trace with hash -153858296, now seen corresponding path program 1 times
[2020-09-24 21:51:16,023 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 21:51:16,024 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [834937432]
[2020-09-24 21:51:16,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 21:51:16,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:51:16,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:16,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:16,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:51:16,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55
[2020-09-24 21:51:16,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-24 21:51:16,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 286
[2020-09-24 21:51:16,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER
[2020-09-24 21:51:16,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-24 21:51:16,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21
[2020-09-24 21:51:16,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33
[2020-09-24 21:51:16,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 21:51:16,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 21:51:16,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:51:16,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:16,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:51:16,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-24 21:51:16,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 21:51:16,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-24 21:51:16,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER
[2020-09-24 21:51:16,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 21:51:16,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 21:51:16,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 21:51:16,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 21:51:16,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 21:51:16,397 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [834937432]
[2020-09-24 21:51:16,397 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 21:51:16,397 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-09-24 21:51:16,398 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094682935]
[2020-09-24 21:51:16,399 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-09-24 21:51:16,400 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 21:51:16,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-09-24 21:51:16,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2020-09-24 21:51:16,401 INFO L87 Difference]: Start difference. First operand 161 states and 165 transitions. Second operand 7 states.
[2020-09-24 21:51:17,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 21:51:17,010 INFO L93 Difference]: Finished difference Result 289 states and 296 transitions.
[2020-09-24 21:51:17,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2020-09-24 21:51:17,011 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 48
[2020-09-24 21:51:17,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 21:51:17,014 INFO L225 Difference]: With dead ends: 289
[2020-09-24 21:51:17,015 INFO L226 Difference]: Without dead ends: 287
[2020-09-24 21:51:17,016 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110
[2020-09-24 21:51:17,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states.
[2020-09-24 21:51:17,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 159.
[2020-09-24 21:51:17,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states.
[2020-09-24 21:51:17,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 163 transitions.
[2020-09-24 21:51:17,030 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 163 transitions. Word has length 48
[2020-09-24 21:51:17,030 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 21:51:17,031 INFO L479 AbstractCegarLoop]: Abstraction has 159 states and 163 transitions.
[2020-09-24 21:51:17,031 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-09-24 21:51:17,031 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 163 transitions.
[2020-09-24 21:51:17,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49
[2020-09-24 21:51:17,040 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 21:51:17,041 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, 1, 1, 1]
[2020-09-24 21:51:17,041 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2020-09-24 21:51:17,042 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 21:51:17,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 21:51:17,042 INFO L82 PathProgramCache]: Analyzing trace with hash -720035671, now seen corresponding path program 1 times
[2020-09-24 21:51:17,043 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 21:51:17,043 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [597030899]
[2020-09-24 21:51:17,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 21:51:17,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:51:17,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:17,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:17,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:17,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:51:17,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55
[2020-09-24 21:51:17,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-24 21:51:17,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 885
[2020-09-24 21:51:17,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER
[2020-09-24 21:51:17,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8
[2020-09-24 21:51:17,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20
[2020-09-24 21:51:17,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34
[2020-09-24 21:51:17,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 21:51:18,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 21:51:18,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:51:18,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:18,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:51:18,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-24 21:51:18,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 21:51:18,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-24 21:51:18,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER
[2020-09-24 21:51:18,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 21:51:18,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 21:51:18,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 21:51:18,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 21:51:18,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 21:51:18,055 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [597030899]
[2020-09-24 21:51:18,056 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 21:51:18,056 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-24 21:51:18,056 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765454397]
[2020-09-24 21:51:18,057 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-24 21:51:18,057 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 21:51:18,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-24 21:51:18,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-09-24 21:51:18,058 INFO L87 Difference]: Start difference. First operand 159 states and 163 transitions. Second operand 8 states.
[2020-09-24 21:51:18,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 21:51:18,480 INFO L93 Difference]: Finished difference Result 159 states and 163 transitions.
[2020-09-24 21:51:18,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2020-09-24 21:51:18,480 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 48
[2020-09-24 21:51:18,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 21:51:18,482 INFO L225 Difference]: With dead ends: 159
[2020-09-24 21:51:18,482 INFO L226 Difference]: Without dead ends: 147
[2020-09-24 21:51:18,483 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182
[2020-09-24 21:51:18,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states.
[2020-09-24 21:51:18,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147.
[2020-09-24 21:51:18,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states.
[2020-09-24 21:51:18,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 151 transitions.
[2020-09-24 21:51:18,492 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 151 transitions. Word has length 48
[2020-09-24 21:51:18,493 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 21:51:18,493 INFO L479 AbstractCegarLoop]: Abstraction has 147 states and 151 transitions.
[2020-09-24 21:51:18,494 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-24 21:51:18,495 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 151 transitions.
[2020-09-24 21:51:18,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54
[2020-09-24 21:51:18,498 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 21:51:18,498 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 21:51:18,498 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2020-09-24 21:51:18,499 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 21:51:18,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 21:51:18,499 INFO L82 PathProgramCache]: Analyzing trace with hash 1338866642, now seen corresponding path program 1 times
[2020-09-24 21:51:18,500 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 21:51:18,500 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1441850207]
[2020-09-24 21:51:18,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 21:51:18,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:51:18,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:18,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:18,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:51:18,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60
[2020-09-24 21:51:18,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-24 21:51:18,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 294
[2020-09-24 21:51:18,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER
[2020-09-24 21:51:18,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-24 21:51:18,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21
[2020-09-24 21:51:18,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38
[2020-09-24 21:51:18,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 21:51:18,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 21:51:18,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:51:18,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:18,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:51:18,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-24 21:51:18,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 21:51:18,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 21:51:18,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER
[2020-09-24 21:51:18,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 21:51:18,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 21:51:18,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 21:51:18,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 21:51:18,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 21:51:18,870 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1441850207]
[2020-09-24 21:51:18,870 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 21:51:18,871 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-09-24 21:51:18,871 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294398136]
[2020-09-24 21:51:18,871 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-09-24 21:51:18,872 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 21:51:18,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-09-24 21:51:18,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2020-09-24 21:51:18,872 INFO L87 Difference]: Start difference. First operand 147 states and 151 transitions. Second operand 7 states.
[2020-09-24 21:51:19,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 21:51:19,343 INFO L93 Difference]: Finished difference Result 227 states and 233 transitions.
[2020-09-24 21:51:19,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2020-09-24 21:51:19,344 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53
[2020-09-24 21:51:19,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 21:51:19,345 INFO L225 Difference]: With dead ends: 227
[2020-09-24 21:51:19,346 INFO L226 Difference]: Without dead ends: 225
[2020-09-24 21:51:19,346 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110
[2020-09-24 21:51:19,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states.
[2020-09-24 21:51:19,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 145.
[2020-09-24 21:51:19,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states.
[2020-09-24 21:51:19,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 149 transitions.
[2020-09-24 21:51:19,353 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 149 transitions. Word has length 53
[2020-09-24 21:51:19,353 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 21:51:19,353 INFO L479 AbstractCegarLoop]: Abstraction has 145 states and 149 transitions.
[2020-09-24 21:51:19,353 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-09-24 21:51:19,353 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 149 transitions.
[2020-09-24 21:51:19,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54
[2020-09-24 21:51:19,354 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 21:51:19,355 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 21:51:19,355 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2020-09-24 21:51:19,355 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 21:51:19,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 21:51:19,356 INFO L82 PathProgramCache]: Analyzing trace with hash -705283452, now seen corresponding path program 1 times
[2020-09-24 21:51:19,356 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 21:51:19,356 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1239550145]
[2020-09-24 21:51:19,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 21:51:19,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:51:19,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:19,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:19,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:51:19,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60
[2020-09-24 21:51:19,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-24 21:51:19,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 316
[2020-09-24 21:51:19,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER
[2020-09-24 21:51:19,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-24 21:51:19,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21
[2020-09-24 21:51:19,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38
[2020-09-24 21:51:19,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 21:51:19,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 21:51:19,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:51:19,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:19,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:51:19,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-24 21:51:19,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 21:51:19,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 21:51:19,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER
[2020-09-24 21:51:19,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 21:51:19,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 21:51:19,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 21:51:19,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 21:51:19,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 21:51:19,766 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1239550145]
[2020-09-24 21:51:19,767 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 21:51:19,767 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-09-24 21:51:19,767 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178476818]
[2020-09-24 21:51:19,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-09-24 21:51:19,768 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 21:51:19,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-09-24 21:51:19,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2020-09-24 21:51:19,769 INFO L87 Difference]: Start difference. First operand 145 states and 149 transitions. Second operand 7 states.
[2020-09-24 21:51:20,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 21:51:20,240 INFO L93 Difference]: Finished difference Result 208 states and 214 transitions.
[2020-09-24 21:51:20,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2020-09-24 21:51:20,241 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53
[2020-09-24 21:51:20,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 21:51:20,244 INFO L225 Difference]: With dead ends: 208
[2020-09-24 21:51:20,244 INFO L226 Difference]: Without dead ends: 206
[2020-09-24 21:51:20,245 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110
[2020-09-24 21:51:20,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states.
[2020-09-24 21:51:20,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 143.
[2020-09-24 21:51:20,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states.
[2020-09-24 21:51:20,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 147 transitions.
[2020-09-24 21:51:20,254 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 147 transitions. Word has length 53
[2020-09-24 21:51:20,255 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 21:51:20,255 INFO L479 AbstractCegarLoop]: Abstraction has 143 states and 147 transitions.
[2020-09-24 21:51:20,256 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-09-24 21:51:20,256 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 147 transitions.
[2020-09-24 21:51:20,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54
[2020-09-24 21:51:20,257 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 21:51:20,257 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 21:51:20,259 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2020-09-24 21:51:20,259 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 21:51:20,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 21:51:20,260 INFO L82 PathProgramCache]: Analyzing trace with hash 1450324932, now seen corresponding path program 1 times
[2020-09-24 21:51:20,260 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 21:51:20,261 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1454372705]
[2020-09-24 21:51:20,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 21:51:20,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:51:20,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:20,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:20,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:51:20,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60
[2020-09-24 21:51:20,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-24 21:51:20,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 316
[2020-09-24 21:51:20,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER
[2020-09-24 21:51:20,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-24 21:51:20,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21
[2020-09-24 21:51:20,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38
[2020-09-24 21:51:20,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 21:51:20,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 21:51:20,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:51:20,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:20,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:51:20,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-24 21:51:20,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 21:51:20,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-24 21:51:20,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER
[2020-09-24 21:51:20,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 21:51:20,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 21:51:20,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 21:51:20,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 21:51:20,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 21:51:20,648 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1454372705]
[2020-09-24 21:51:20,649 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 21:51:20,649 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-09-24 21:51:20,649 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220643542]
[2020-09-24 21:51:20,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-09-24 21:51:20,650 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 21:51:20,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-09-24 21:51:20,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2020-09-24 21:51:20,652 INFO L87 Difference]: Start difference. First operand 143 states and 147 transitions. Second operand 7 states.
[2020-09-24 21:51:21,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 21:51:21,025 INFO L93 Difference]: Finished difference Result 159 states and 163 transitions.
[2020-09-24 21:51:21,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2020-09-24 21:51:21,026 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53
[2020-09-24 21:51:21,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 21:51:21,028 INFO L225 Difference]: With dead ends: 159
[2020-09-24 21:51:21,028 INFO L226 Difference]: Without dead ends: 157
[2020-09-24 21:51:21,029 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90
[2020-09-24 21:51:21,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states.
[2020-09-24 21:51:21,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 141.
[2020-09-24 21:51:21,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states.
[2020-09-24 21:51:21,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 145 transitions.
[2020-09-24 21:51:21,037 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 145 transitions. Word has length 53
[2020-09-24 21:51:21,038 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 21:51:21,038 INFO L479 AbstractCegarLoop]: Abstraction has 141 states and 145 transitions.
[2020-09-24 21:51:21,038 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-09-24 21:51:21,038 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 145 transitions.
[2020-09-24 21:51:21,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54
[2020-09-24 21:51:21,039 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 21:51:21,041 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, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 21:51:21,041 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2020-09-24 21:51:21,041 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 21:51:21,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 21:51:21,042 INFO L82 PathProgramCache]: Analyzing trace with hash -176330525, now seen corresponding path program 1 times
[2020-09-24 21:51:21,042 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 21:51:21,042 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1487293263]
[2020-09-24 21:51:21,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 21:51:21,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:51:21,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:21,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:21,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:51:21,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60
[2020-09-24 21:51:21,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-24 21:51:21,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 656
[2020-09-24 21:51:21,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER
[2020-09-24 21:51:21,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8
[2020-09-24 21:51:21,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20
[2020-09-24 21:51:21,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39
[2020-09-24 21:51:21,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 21:51:21,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 21:51:21,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:51:21,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:21,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:51:21,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-24 21:51:21,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 21:51:21,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 21:51:21,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER
[2020-09-24 21:51:21,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 21:51:21,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 21:51:21,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 21:51:21,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5
[2020-09-24 21:51:21,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 21:51:21,875 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1487293263]
[2020-09-24 21:51:21,875 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 21:51:21,876 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-24 21:51:21,876 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407504798]
[2020-09-24 21:51:21,876 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-24 21:51:21,877 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 21:51:21,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-24 21:51:21,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-09-24 21:51:21,878 INFO L87 Difference]: Start difference. First operand 141 states and 145 transitions. Second operand 8 states.
[2020-09-24 21:51:22,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 21:51:22,507 INFO L93 Difference]: Finished difference Result 243 states and 250 transitions.
[2020-09-24 21:51:22,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2020-09-24 21:51:22,508 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 53
[2020-09-24 21:51:22,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 21:51:22,510 INFO L225 Difference]: With dead ends: 243
[2020-09-24 21:51:22,510 INFO L226 Difference]: Without dead ends: 241
[2020-09-24 21:51:22,511 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240
[2020-09-24 21:51:22,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states.
[2020-09-24 21:51:22,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 139.
[2020-09-24 21:51:22,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states.
[2020-09-24 21:51:22,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 143 transitions.
[2020-09-24 21:51:22,517 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 143 transitions. Word has length 53
[2020-09-24 21:51:22,517 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 21:51:22,517 INFO L479 AbstractCegarLoop]: Abstraction has 139 states and 143 transitions.
[2020-09-24 21:51:22,518 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-24 21:51:22,518 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 143 transitions.
[2020-09-24 21:51:22,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59
[2020-09-24 21:51:22,518 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 21:51:22,519 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 21:51:22,519 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2020-09-24 21:51:22,519 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 21:51:22,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 21:51:22,519 INFO L82 PathProgramCache]: Analyzing trace with hash -1223452514, now seen corresponding path program 1 times
[2020-09-24 21:51:22,520 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 21:51:22,520 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [112229223]
[2020-09-24 21:51:22,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 21:51:22,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:51:22,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:22,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:23,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:51:23,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65
[2020-09-24 21:51:23,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-24 21:51:23,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 927
[2020-09-24 21:51:23,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER
[2020-09-24 21:51:23,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8
[2020-09-24 21:51:23,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20
[2020-09-24 21:51:23,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44
[2020-09-24 21:51:23,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 21:51:23,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 21:51:23,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:51:23,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:23,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:51:23,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-24 21:51:23,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 21:51:23,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 21:51:23,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER
[2020-09-24 21:51:23,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 21:51:23,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 21:51:23,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 21:51:23,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 21:51:23,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 21:51:23,616 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [112229223]
[2020-09-24 21:51:23,616 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 21:51:23,616 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-09-24 21:51:23,617 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026428560]
[2020-09-24 21:51:23,617 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-09-24 21:51:23,617 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 21:51:23,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-09-24 21:51:23,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72
[2020-09-24 21:51:23,618 INFO L87 Difference]: Start difference. First operand 139 states and 143 transitions. Second operand 9 states.
[2020-09-24 21:51:24,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 21:51:24,203 INFO L93 Difference]: Finished difference Result 373 states and 384 transitions.
[2020-09-24 21:51:24,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2020-09-24 21:51:24,204 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 58
[2020-09-24 21:51:24,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 21:51:24,206 INFO L225 Difference]: With dead ends: 373
[2020-09-24 21:51:24,206 INFO L226 Difference]: Without dead ends: 371
[2020-09-24 21:51:24,207 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240
[2020-09-24 21:51:24,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states.
[2020-09-24 21:51:24,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 178.
[2020-09-24 21:51:24,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states.
[2020-09-24 21:51:24,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 185 transitions.
[2020-09-24 21:51:24,219 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 185 transitions. Word has length 58
[2020-09-24 21:51:24,219 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 21:51:24,219 INFO L479 AbstractCegarLoop]: Abstraction has 178 states and 185 transitions.
[2020-09-24 21:51:24,219 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-09-24 21:51:24,219 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 185 transitions.
[2020-09-24 21:51:24,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59
[2020-09-24 21:51:24,220 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 21:51:24,220 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 21:51:24,221 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2020-09-24 21:51:24,221 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 21:51:24,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 21:51:24,222 INFO L82 PathProgramCache]: Analyzing trace with hash 796591608, now seen corresponding path program 1 times
[2020-09-24 21:51:24,222 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 21:51:24,223 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1384241214]
[2020-09-24 21:51:24,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 21:51:24,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:51:24,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:24,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:25,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:51:25,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65
[2020-09-24 21:51:25,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-24 21:51:25,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 934
[2020-09-24 21:51:25,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER
[2020-09-24 21:51:25,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8
[2020-09-24 21:51:25,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20
[2020-09-24 21:51:25,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44
[2020-09-24 21:51:25,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 21:51:25,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 21:51:25,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:51:25,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:25,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:51:25,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-24 21:51:25,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 21:51:25,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 21:51:25,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER
[2020-09-24 21:51:25,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 21:51:25,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 21:51:25,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 21:51:25,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 21:51:25,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 21:51:25,346 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1384241214]
[2020-09-24 21:51:25,347 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 21:51:25,347 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-09-24 21:51:25,347 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674459109]
[2020-09-24 21:51:25,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-09-24 21:51:25,348 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 21:51:25,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-09-24 21:51:25,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72
[2020-09-24 21:51:25,348 INFO L87 Difference]: Start difference. First operand 178 states and 185 transitions. Second operand 9 states.
[2020-09-24 21:51:25,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 21:51:25,995 INFO L93 Difference]: Finished difference Result 356 states and 367 transitions.
[2020-09-24 21:51:26,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2020-09-24 21:51:26,001 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 58
[2020-09-24 21:51:26,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 21:51:26,007 INFO L225 Difference]: With dead ends: 356
[2020-09-24 21:51:26,007 INFO L226 Difference]: Without dead ends: 354
[2020-09-24 21:51:26,010 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240
[2020-09-24 21:51:26,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states.
[2020-09-24 21:51:26,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 188.
[2020-09-24 21:51:26,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states.
[2020-09-24 21:51:26,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 195 transitions.
[2020-09-24 21:51:26,023 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 195 transitions. Word has length 58
[2020-09-24 21:51:26,023 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 21:51:26,023 INFO L479 AbstractCegarLoop]: Abstraction has 188 states and 195 transitions.
[2020-09-24 21:51:26,024 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-09-24 21:51:26,024 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 195 transitions.
[2020-09-24 21:51:26,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59
[2020-09-24 21:51:26,025 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 21:51:26,025 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 21:51:26,025 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2020-09-24 21:51:26,025 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 21:51:26,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 21:51:26,026 INFO L82 PathProgramCache]: Analyzing trace with hash 482062159, now seen corresponding path program 1 times
[2020-09-24 21:51:26,026 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 21:51:26,026 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1439732238]
[2020-09-24 21:51:26,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 21:51:26,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:51:26,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:26,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:26,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:51:26,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65
[2020-09-24 21:51:26,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-24 21:51:26,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 893
[2020-09-24 21:51:26,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER
[2020-09-24 21:51:26,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8
[2020-09-24 21:51:26,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20
[2020-09-24 21:51:26,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44
[2020-09-24 21:51:26,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 21:51:27,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 21:51:27,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:51:27,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:27,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:51:27,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-24 21:51:27,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 21:51:27,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 21:51:27,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER
[2020-09-24 21:51:27,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 21:51:27,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 21:51:27,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 21:51:27,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 21:51:27,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 21:51:27,102 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1439732238]
[2020-09-24 21:51:27,102 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 21:51:27,103 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-09-24 21:51:27,103 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334660249]
[2020-09-24 21:51:27,103 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-09-24 21:51:27,104 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 21:51:27,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-09-24 21:51:27,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72
[2020-09-24 21:51:27,104 INFO L87 Difference]: Start difference. First operand 188 states and 195 transitions. Second operand 9 states.
[2020-09-24 21:51:27,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 21:51:27,591 INFO L93 Difference]: Finished difference Result 241 states and 248 transitions.
[2020-09-24 21:51:27,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2020-09-24 21:51:27,591 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 58
[2020-09-24 21:51:27,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 21:51:27,593 INFO L225 Difference]: With dead ends: 241
[2020-09-24 21:51:27,593 INFO L226 Difference]: Without dead ends: 229
[2020-09-24 21:51:27,594 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182
[2020-09-24 21:51:27,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states.
[2020-09-24 21:51:27,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 188.
[2020-09-24 21:51:27,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states.
[2020-09-24 21:51:27,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 194 transitions.
[2020-09-24 21:51:27,602 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 194 transitions. Word has length 58
[2020-09-24 21:51:27,602 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 21:51:27,602 INFO L479 AbstractCegarLoop]: Abstraction has 188 states and 194 transitions.
[2020-09-24 21:51:27,602 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-09-24 21:51:27,602 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 194 transitions.
[2020-09-24 21:51:27,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67
[2020-09-24 21:51:27,603 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 21:51:27,603 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 21:51:27,604 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2020-09-24 21:51:27,604 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 21:51:27,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 21:51:27,604 INFO L82 PathProgramCache]: Analyzing trace with hash -1558790018, now seen corresponding path program 1 times
[2020-09-24 21:51:27,604 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 21:51:27,605 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [799692533]
[2020-09-24 21:51:27,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 21:51:27,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:51:27,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:27,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:27,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:27,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:29,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:29,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:30,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:30,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:30,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:30,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:32,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:51:32,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73
[2020-09-24 21:51:32,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10
[2020-09-24 21:51:32,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001
[2020-09-24 21:51:32,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER
[2020-09-24 21:51:32,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-24 21:51:32,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20
[2020-09-24 21:51:32,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52
[2020-09-24 21:51:32,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 21:51:32,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 21:51:32,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:51:32,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:32,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:51:32,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-24 21:51:32,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 21:51:32,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 21:51:32,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER
[2020-09-24 21:51:32,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 21:51:32,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 21:51:32,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 21:51:32,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 21:51:32,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 21:51:32,682 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [799692533]
[2020-09-24 21:51:32,683 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 21:51:32,683 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-24 21:51:32,683 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589672786]
[2020-09-24 21:51:32,683 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-24 21:51:32,684 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 21:51:32,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-24 21:51:32,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-09-24 21:51:32,684 INFO L87 Difference]: Start difference. First operand 188 states and 194 transitions. Second operand 8 states.
[2020-09-24 21:51:33,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 21:51:33,101 INFO L93 Difference]: Finished difference Result 188 states and 194 transitions.
[2020-09-24 21:51:33,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2020-09-24 21:51:33,102 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 66
[2020-09-24 21:51:33,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 21:51:33,103 INFO L225 Difference]: With dead ends: 188
[2020-09-24 21:51:33,103 INFO L226 Difference]: Without dead ends: 186
[2020-09-24 21:51:33,104 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182
[2020-09-24 21:51:33,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states.
[2020-09-24 21:51:33,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 186.
[2020-09-24 21:51:33,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states.
[2020-09-24 21:51:33,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 192 transitions.
[2020-09-24 21:51:33,111 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 192 transitions. Word has length 66
[2020-09-24 21:51:33,112 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 21:51:33,112 INFO L479 AbstractCegarLoop]: Abstraction has 186 states and 192 transitions.
[2020-09-24 21:51:33,112 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-24 21:51:33,112 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 192 transitions.
[2020-09-24 21:51:33,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72
[2020-09-24 21:51:33,113 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 21:51:33,113 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 21:51:33,113 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2020-09-24 21:51:33,114 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 21:51:33,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 21:51:33,114 INFO L82 PathProgramCache]: Analyzing trace with hash 1265666810, now seen corresponding path program 1 times
[2020-09-24 21:51:33,114 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 21:51:33,114 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [977022458]
[2020-09-24 21:51:33,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 21:51:33,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:51:33,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:33,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:33,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:36,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:51:36,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78
[2020-09-24 21:51:36,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-24 21:51:36,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3521
[2020-09-24 21:51:36,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER
[2020-09-24 21:51:36,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10
[2020-09-24 21:51:36,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20
[2020-09-24 21:51:36,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57
[2020-09-24 21:51:36,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 21:51:36,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 21:51:36,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:51:36,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:36,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:51:36,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-24 21:51:36,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 21:51:36,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 21:51:36,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER
[2020-09-24 21:51:36,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 21:51:36,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 21:51:36,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 21:51:36,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 21:51:36,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 21:51:36,779 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [977022458]
[2020-09-24 21:51:36,779 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 21:51:36,780 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-24 21:51:36,780 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292304895]
[2020-09-24 21:51:36,780 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-24 21:51:36,781 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 21:51:36,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-24 21:51:36,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-09-24 21:51:36,781 INFO L87 Difference]: Start difference. First operand 186 states and 192 transitions. Second operand 8 states.
[2020-09-24 21:51:37,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 21:51:37,424 INFO L93 Difference]: Finished difference Result 249 states and 257 transitions.
[2020-09-24 21:51:37,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2020-09-24 21:51:37,424 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 71
[2020-09-24 21:51:37,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 21:51:37,426 INFO L225 Difference]: With dead ends: 249
[2020-09-24 21:51:37,426 INFO L226 Difference]: Without dead ends: 247
[2020-09-24 21:51:37,427 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240
[2020-09-24 21:51:37,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states.
[2020-09-24 21:51:37,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 174.
[2020-09-24 21:51:37,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states.
[2020-09-24 21:51:37,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 180 transitions.
[2020-09-24 21:51:37,434 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 180 transitions. Word has length 71
[2020-09-24 21:51:37,434 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 21:51:37,434 INFO L479 AbstractCegarLoop]: Abstraction has 174 states and 180 transitions.
[2020-09-24 21:51:37,435 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-24 21:51:37,435 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 180 transitions.
[2020-09-24 21:51:37,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72
[2020-09-24 21:51:37,435 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 21:51:37,436 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 21:51:37,436 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2020-09-24 21:51:37,436 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 21:51:37,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 21:51:37,436 INFO L82 PathProgramCache]: Analyzing trace with hash 923424153, now seen corresponding path program 1 times
[2020-09-24 21:51:37,437 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 21:51:37,437 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [104686150]
[2020-09-24 21:51:37,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 21:51:37,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:51:37,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:37,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:37,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:37,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:40,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:51:40,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78
[2020-09-24 21:51:40,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4
[2020-09-24 21:51:40,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2836
[2020-09-24 21:51:40,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER
[2020-09-24 21:51:40,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10
[2020-09-24 21:51:40,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20
[2020-09-24 21:51:40,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57
[2020-09-24 21:51:40,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 21:51:40,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 21:51:40,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:51:40,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:40,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:51:40,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-24 21:51:40,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 21:51:40,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 21:51:40,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER
[2020-09-24 21:51:40,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 21:51:40,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 21:51:40,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 21:51:40,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 21:51:40,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 21:51:40,405 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [104686150]
[2020-09-24 21:51:40,405 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 21:51:40,406 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-24 21:51:40,414 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127026983]
[2020-09-24 21:51:40,417 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-24 21:51:40,418 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 21:51:40,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-24 21:51:40,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-09-24 21:51:40,418 INFO L87 Difference]: Start difference. First operand 174 states and 180 transitions. Second operand 8 states.
[2020-09-24 21:51:40,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 21:51:40,811 INFO L93 Difference]: Finished difference Result 174 states and 180 transitions.
[2020-09-24 21:51:40,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2020-09-24 21:51:40,812 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 71
[2020-09-24 21:51:40,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 21:51:40,814 INFO L225 Difference]: With dead ends: 174
[2020-09-24 21:51:40,815 INFO L226 Difference]: Without dead ends: 162
[2020-09-24 21:51:40,815 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182
[2020-09-24 21:51:40,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states.
[2020-09-24 21:51:40,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162.
[2020-09-24 21:51:40,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states.
[2020-09-24 21:51:40,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 168 transitions.
[2020-09-24 21:51:40,824 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 168 transitions. Word has length 71
[2020-09-24 21:51:40,824 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 21:51:40,824 INFO L479 AbstractCegarLoop]: Abstraction has 162 states and 168 transitions.
[2020-09-24 21:51:40,824 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-24 21:51:40,824 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 168 transitions.
[2020-09-24 21:51:40,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79
[2020-09-24 21:51:40,825 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 21:51:40,825 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 21:51:40,825 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2020-09-24 21:51:40,826 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 21:51:40,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 21:51:40,826 INFO L82 PathProgramCache]: Analyzing trace with hash 1365165616, now seen corresponding path program 1 times
[2020-09-24 21:51:40,826 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 21:51:40,826 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [99402265]
[2020-09-24 21:51:40,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 21:51:40,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:51:40,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:40,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:40,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:44,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:51:44,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-24 21:51:44,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-24 21:51:44,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3518
[2020-09-24 21:51:44,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER
[2020-09-24 21:51:44,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10
[2020-09-24 21:51:44,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20
[2020-09-24 21:51:44,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64
[2020-09-24 21:51:44,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 21:51:44,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 21:51:44,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:51:44,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:44,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:51:44,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-24 21:51:44,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 21:51:44,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 21:51:44,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER
[2020-09-24 21:51:44,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 21:51:44,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 21:51:44,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 21:51:44,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 21:51:44,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 21:51:44,468 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [99402265]
[2020-09-24 21:51:44,468 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 21:51:44,468 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-24 21:51:44,468 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751509146]
[2020-09-24 21:51:44,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-24 21:51:44,469 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 21:51:44,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-24 21:51:44,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-09-24 21:51:44,469 INFO L87 Difference]: Start difference. First operand 162 states and 168 transitions. Second operand 8 states.
[2020-09-24 21:51:44,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 21:51:44,976 INFO L93 Difference]: Finished difference Result 210 states and 218 transitions.
[2020-09-24 21:51:44,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2020-09-24 21:51:44,976 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 78
[2020-09-24 21:51:44,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 21:51:44,978 INFO L225 Difference]: With dead ends: 210
[2020-09-24 21:51:44,978 INFO L226 Difference]: Without dead ends: 208
[2020-09-24 21:51:44,978 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240
[2020-09-24 21:51:44,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states.
[2020-09-24 21:51:44,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 145.
[2020-09-24 21:51:44,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states.
[2020-09-24 21:51:44,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 150 transitions.
[2020-09-24 21:51:44,984 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 150 transitions. Word has length 78
[2020-09-24 21:51:44,985 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 21:51:44,985 INFO L479 AbstractCegarLoop]: Abstraction has 145 states and 150 transitions.
[2020-09-24 21:51:44,985 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-24 21:51:44,985 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 150 transitions.
[2020-09-24 21:51:44,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79
[2020-09-24 21:51:44,986 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 21:51:44,986 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 21:51:44,986 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2020-09-24 21:51:44,986 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 21:51:44,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 21:51:44,987 INFO L82 PathProgramCache]: Analyzing trace with hash 1050636167, now seen corresponding path program 1 times
[2020-09-24 21:51:44,987 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 21:51:44,987 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1556141465]
[2020-09-24 21:51:44,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 21:51:44,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:51:45,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:45,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:45,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:48,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:51:48,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-24 21:51:48,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-24 21:51:48,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3923
[2020-09-24 21:51:48,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER
[2020-09-24 21:51:48,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10
[2020-09-24 21:51:48,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20
[2020-09-24 21:51:48,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64
[2020-09-24 21:51:48,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 21:51:49,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 21:51:49,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:51:49,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:51:49,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:51:49,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-24 21:51:49,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 21:51:49,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 21:51:49,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER
[2020-09-24 21:51:49,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 21:51:49,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 21:51:49,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 21:51:49,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 21:51:49,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 21:51:49,044 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1556141465]
[2020-09-24 21:51:49,045 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 21:51:49,045 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-24 21:51:49,045 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583557602]
[2020-09-24 21:51:49,045 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-24 21:51:49,046 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 21:51:49,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-24 21:51:49,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-09-24 21:51:49,046 INFO L87 Difference]: Start difference. First operand 145 states and 150 transitions. Second operand 8 states.
[2020-09-24 21:51:49,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 21:51:49,435 INFO L93 Difference]: Finished difference Result 145 states and 150 transitions.
[2020-09-24 21:51:49,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2020-09-24 21:51:49,435 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 78
[2020-09-24 21:51:49,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 21:51:49,436 INFO L225 Difference]: With dead ends: 145
[2020-09-24 21:51:49,436 INFO L226 Difference]: Without dead ends: 0
[2020-09-24 21:51:49,438 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182
[2020-09-24 21:51:49,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-09-24 21:51:49,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-09-24 21:51:49,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-09-24 21:51:49,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-09-24 21:51:49,438 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 78
[2020-09-24 21:51:49,439 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 21:51:49,439 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-09-24 21:51:49,439 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-24 21:51:49,439 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-09-24 21:51:49,439 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-09-24 21:51:49,439 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2020-09-24 21:51:49,441 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-09-24 21:51:49,583 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 15
[2020-09-24 21:51:49,736 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 66
[2020-09-24 21:51:49,874 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 63
[2020-09-24 21:51:50,155 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 17
[2020-09-24 21:51:50,275 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 15
[2020-09-24 21:51:50,319 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed.
[2020-09-24 21:51:50,319 INFO L268 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed.
[2020-09-24 21:51:50,319 INFO L268 CegarLoopResult]: For program point L11(line 11) no Hoare annotation was computed.
[2020-09-24 21:51:50,319 INFO L268 CegarLoopResult]: For program point L10(line 10) no Hoare annotation was computed.
[2020-09-24 21:51:50,320 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~__tmp_383_0~0 |old(~__tmp_383_0~0)|) (= ~__tmp_247_0~0 |old(~__tmp_247_0~0)|) (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_305~0 |old(~__return_305~0)|))
[2020-09-24 21:51:50,320 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed.
[2020-09-24 21:51:50,320 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2020-09-24 21:51:50,320 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true
[2020-09-24 21:51:50,320 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2020-09-24 21:51:50,321 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2020-09-24 21:51:50,321 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 4 6) no Hoare annotation was computed.
[2020-09-24 21:51:50,321 INFO L268 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed.
[2020-09-24 21:51:50,321 INFO L268 CegarLoopResult]: For program point L5-1(line 5) no Hoare annotation was computed.
[2020-09-24 21:51:50,321 INFO L268 CegarLoopResult]: For program point L5-3(lines 4 6) no Hoare annotation was computed.
[2020-09-24 21:51:50,321 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 4 6) no Hoare annotation was computed.
[2020-09-24 21:51:50,321 INFO L268 CegarLoopResult]: For program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 83) no Hoare annotation was computed.
[2020-09-24 21:51:50,321 INFO L268 CegarLoopResult]: For program point L349(line 349) no Hoare annotation was computed.
[2020-09-24 21:51:50,322 INFO L268 CegarLoopResult]: For program point L217(line 217) no Hoare annotation was computed.
[2020-09-24 21:51:50,322 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 13 373) no Hoare annotation was computed.
[2020-09-24 21:51:50,322 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed.
[2020-09-24 21:51:50,322 INFO L268 CegarLoopResult]: For program point L151(lines 151 159) no Hoare annotation was computed.
[2020-09-24 21:51:50,322 INFO L268 CegarLoopResult]: For program point L52(lines 52 252) no Hoare annotation was computed.
[2020-09-24 21:51:50,322 INFO L268 CegarLoopResult]: For program point L333(line 333) no Hoare annotation was computed.
[2020-09-24 21:51:50,322 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed.
[2020-09-24 21:51:50,322 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed.
[2020-09-24 21:51:50,322 INFO L268 CegarLoopResult]: For program point L69(lines 69 93) no Hoare annotation was computed.
[2020-09-24 21:51:50,323 INFO L268 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed.
[2020-09-24 21:51:50,323 INFO L268 CegarLoopResult]: For program point L350(line 350) no Hoare annotation was computed.
[2020-09-24 21:51:50,323 INFO L268 CegarLoopResult]: For program point L218(line 218) no Hoare annotation was computed.
[2020-09-24 21:51:50,323 INFO L268 CegarLoopResult]: For program point L185(lines 185 195) no Hoare annotation was computed.
[2020-09-24 21:51:50,323 INFO L268 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed.
[2020-09-24 21:51:50,323 INFO L268 CegarLoopResult]: For program point L20(line 20) no Hoare annotation was computed.
[2020-09-24 21:51:50,323 INFO L268 CegarLoopResult]: For program point L334(line 334) no Hoare annotation was computed.
[2020-09-24 21:51:50,324 INFO L268 CegarLoopResult]: For program point mainErr14ASSERT_VIOLATIONERROR_FUNCTION(line 308) no Hoare annotation was computed.
[2020-09-24 21:51:50,324 INFO L268 CegarLoopResult]: For program point L235(line 235) no Hoare annotation was computed.
[2020-09-24 21:51:50,324 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed.
[2020-09-24 21:51:50,324 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed.
[2020-09-24 21:51:50,324 INFO L268 CegarLoopResult]: For program point L103-1(line 103) no Hoare annotation was computed.
[2020-09-24 21:51:50,324 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed.
[2020-09-24 21:51:50,324 INFO L268 CegarLoopResult]: For program point L103-2(line 103) no Hoare annotation was computed.
[2020-09-24 21:51:50,324 INFO L268 CegarLoopResult]: For program point L285(line 285) no Hoare annotation was computed.
[2020-09-24 21:51:50,325 INFO L268 CegarLoopResult]: For program point L219(line 219) no Hoare annotation was computed.
[2020-09-24 21:51:50,325 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed.
[2020-09-24 21:51:50,325 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed.
[2020-09-24 21:51:50,325 INFO L268 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed.
[2020-09-24 21:51:50,325 INFO L268 CegarLoopResult]: For program point L21(line 21) no Hoare annotation was computed.
[2020-09-24 21:51:50,325 INFO L268 CegarLoopResult]: For program point L335(lines 335 358) no Hoare annotation was computed.
[2020-09-24 21:51:50,325 INFO L268 CegarLoopResult]: For program point L302(line 302) no Hoare annotation was computed.
[2020-09-24 21:51:50,325 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 13 373) no Hoare annotation was computed.
[2020-09-24 21:51:50,325 INFO L268 CegarLoopResult]: For program point L236(line 236) no Hoare annotation was computed.
[2020-09-24 21:51:50,326 INFO L268 CegarLoopResult]: For program point mainErr13ASSERT_VIOLATIONERROR_FUNCTION(line 296) no Hoare annotation was computed.
[2020-09-24 21:51:50,326 INFO L268 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed.
[2020-09-24 21:51:50,326 INFO L268 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed.
[2020-09-24 21:51:50,326 INFO L268 CegarLoopResult]: For program point L104(lines 104 208) no Hoare annotation was computed.
[2020-09-24 21:51:50,326 INFO L268 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed.
[2020-09-24 21:51:50,326 INFO L268 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed.
[2020-09-24 21:51:50,326 INFO L268 CegarLoopResult]: For program point L286(line 286) no Hoare annotation was computed.
[2020-09-24 21:51:50,326 INFO L268 CegarLoopResult]: For program point L220(line 220) no Hoare annotation was computed.
[2020-09-24 21:51:50,327 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed.
[2020-09-24 21:51:50,327 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed.
[2020-09-24 21:51:50,327 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed.
[2020-09-24 21:51:50,327 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed.
[2020-09-24 21:51:50,327 INFO L268 CegarLoopResult]: For program point L22(lines 22 367) no Hoare annotation was computed.
[2020-09-24 21:51:50,327 INFO L268 CegarLoopResult]: For program point L303(line 303) no Hoare annotation was computed.
[2020-09-24 21:51:50,327 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed.
[2020-09-24 21:51:50,328 INFO L268 CegarLoopResult]: For program point mainErr8ASSERT_VIOLATIONERROR_FUNCTION(line 175) no Hoare annotation was computed.
[2020-09-24 21:51:50,328 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed.
[2020-09-24 21:51:50,328 INFO L268 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed.
[2020-09-24 21:51:50,328 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed.
[2020-09-24 21:51:50,328 INFO L268 CegarLoopResult]: For program point L287(lines 287 361) no Hoare annotation was computed.
[2020-09-24 21:51:50,328 INFO L268 CegarLoopResult]: For program point L221(lines 221 243) no Hoare annotation was computed.
[2020-09-24 21:51:50,328 INFO L268 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed.
[2020-09-24 21:51:50,328 INFO L268 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed.
[2020-09-24 21:51:50,329 INFO L268 CegarLoopResult]: For program point L337(line 337) no Hoare annotation was computed.
[2020-09-24 21:51:50,329 INFO L268 CegarLoopResult]: For program point L304(line 304) no Hoare annotation was computed.
[2020-09-24 21:51:50,329 INFO L268 CegarLoopResult]: For program point L271(line 271) no Hoare annotation was computed.
[2020-09-24 21:51:50,329 INFO L268 CegarLoopResult]: For program point mainErr15ASSERT_VIOLATIONERROR_FUNCTION(line 337) no Hoare annotation was computed.
[2020-09-24 21:51:50,329 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed.
[2020-09-24 21:51:50,329 INFO L268 CegarLoopResult]: For program point L139(lines 139 161) no Hoare annotation was computed.
[2020-09-24 21:51:50,329 INFO L268 CegarLoopResult]: For program point L40(lines 40 254) no Hoare annotation was computed.
[2020-09-24 21:51:50,329 INFO L268 CegarLoopResult]: For program point L354(line 354) no Hoare annotation was computed.
[2020-09-24 21:51:50,330 INFO L268 CegarLoopResult]: For program point L321(line 321) no Hoare annotation was computed.
[2020-09-24 21:51:50,330 INFO L268 CegarLoopResult]: For program point L123(lines 123 200) no Hoare annotation was computed.
[2020-09-24 21:51:50,330 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed.
[2020-09-24 21:51:50,330 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed.
[2020-09-24 21:51:50,330 INFO L268 CegarLoopResult]: For program point L371(line 371) no Hoare annotation was computed.
[2020-09-24 21:51:50,330 INFO L268 CegarLoopResult]: For program point L338(line 338) no Hoare annotation was computed.
[2020-09-24 21:51:50,330 INFO L268 CegarLoopResult]: For program point L305(line 305) no Hoare annotation was computed.
[2020-09-24 21:51:50,330 INFO L268 CegarLoopResult]: For program point L272(line 272) no Hoare annotation was computed.
[2020-09-24 21:51:50,330 INFO L268 CegarLoopResult]: For program point L173(lines 173 197) no Hoare annotation was computed.
[2020-09-24 21:51:50,331 INFO L268 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed.
[2020-09-24 21:51:50,331 INFO L268 CegarLoopResult]: For program point mainErr10ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed.
[2020-09-24 21:51:50,331 INFO L264 CegarLoopResult]: At program point L355(lines 281 362) the Hoare annotation is: (and (not (= main_~__tmp_14~0 0)) (<= (+ main_~main__t~0 1) main_~main__tagbuf_len~0) (not (= main_~__VERIFIER_assert__cond~13 0)) (<= 0 main_~main__t~0))
[2020-09-24 21:51:50,331 INFO L268 CegarLoopResult]: For program point L322(line 322) no Hoare annotation was computed.
[2020-09-24 21:51:50,331 INFO L268 CegarLoopResult]: For program point L322-1(line 322) no Hoare annotation was computed.
[2020-09-24 21:51:50,331 INFO L268 CegarLoopResult]: For program point L322-2(line 322) no Hoare annotation was computed.
[2020-09-24 21:51:50,332 INFO L268 CegarLoopResult]: For program point L223(line 223) no Hoare annotation was computed.
[2020-09-24 21:51:50,332 INFO L268 CegarLoopResult]: For program point L306(lines 306 314) no Hoare annotation was computed.
[2020-09-24 21:51:50,332 INFO L268 CegarLoopResult]: For program point L273(line 273) no Hoare annotation was computed.
[2020-09-24 21:51:50,332 INFO L268 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed.
[2020-09-24 21:51:50,332 INFO L268 CegarLoopResult]: For program point mainErr9ASSERT_VIOLATIONERROR_FUNCTION(line 187) no Hoare annotation was computed.
[2020-09-24 21:51:50,332 INFO L268 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed.
[2020-09-24 21:51:50,332 INFO L268 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed.
[2020-09-24 21:51:50,332 INFO L268 CegarLoopResult]: For program point L323(lines 323 360) no Hoare annotation was computed.
[2020-09-24 21:51:50,333 INFO L268 CegarLoopResult]: For program point L290(line 290) no Hoare annotation was computed.
[2020-09-24 21:51:50,333 INFO L268 CegarLoopResult]: For program point L224(line 224) no Hoare annotation was computed.
[2020-09-24 21:51:50,333 INFO L268 CegarLoopResult]: For program point mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 113) no Hoare annotation was computed.
[2020-09-24 21:51:50,333 INFO L268 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed.
[2020-09-24 21:51:50,333 INFO L268 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed.
[2020-09-24 21:51:50,333 INFO L268 CegarLoopResult]: For program point L274(line 274) no Hoare annotation was computed.
[2020-09-24 21:51:50,333 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed.
[2020-09-24 21:51:50,333 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed.
[2020-09-24 21:51:50,333 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed.
[2020-09-24 21:51:50,334 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed.
[2020-09-24 21:51:50,334 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed.
[2020-09-24 21:51:50,334 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed.
[2020-09-24 21:51:50,334 INFO L268 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed.
[2020-09-24 21:51:50,334 INFO L268 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed.
[2020-09-24 21:51:50,334 INFO L268 CegarLoopResult]: For program point L308(line 308) no Hoare annotation was computed.
[2020-09-24 21:51:50,334 INFO L268 CegarLoopResult]: For program point L275(lines 275 362) no Hoare annotation was computed.
[2020-09-24 21:51:50,335 INFO L268 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed.
[2020-09-24 21:51:50,335 INFO L268 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed.
[2020-09-24 21:51:50,335 INFO L268 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed.
[2020-09-24 21:51:50,335 INFO L268 CegarLoopResult]: For program point mainErr11ASSERT_VIOLATIONERROR_FUNCTION(line 235) no Hoare annotation was computed.
[2020-09-24 21:51:50,335 INFO L268 CegarLoopResult]: For program point L325(line 325) no Hoare annotation was computed.
[2020-09-24 21:51:50,335 INFO L268 CegarLoopResult]: For program point L292(line 292) no Hoare annotation was computed.
[2020-09-24 21:51:50,335 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed.
[2020-09-24 21:51:50,335 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed.
[2020-09-24 21:51:50,336 INFO L268 CegarLoopResult]: For program point mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 141) no Hoare annotation was computed.
[2020-09-24 21:51:50,336 INFO L268 CegarLoopResult]: For program point L309(line 309) no Hoare annotation was computed.
[2020-09-24 21:51:50,336 INFO L268 CegarLoopResult]: For program point L111(lines 111 202) no Hoare annotation was computed.
[2020-09-24 21:51:50,336 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed.
[2020-09-24 21:51:50,336 INFO L264 CegarLoopResult]: At program point L326(lines 30 366) the Hoare annotation is: (and (<= (+ main_~main__t~0 1) main_~main__tagbuf_len~0) (<= 0 main_~main__t~0))
[2020-09-24 21:51:50,336 INFO L268 CegarLoopResult]: For program point L293(line 293) no Hoare annotation was computed.
[2020-09-24 21:51:50,336 INFO L268 CegarLoopResult]: For program point L260(line 260) no Hoare annotation was computed.
[2020-09-24 21:51:50,337 INFO L264 CegarLoopResult]: At program point L194(lines 58 252) the Hoare annotation is: (and (<= 1 main_~main__t~0) (<= 1 main_~__tmp_2~0) (<= 1 main_~__tmp_1~0) (< main_~main__t~0 (+ main_~main__tagbuf_len~0 1)) (<= 1 main_~__VERIFIER_assert__cond~0) (<= 1 main_~__VERIFIER_assert__cond~1))
[2020-09-24 21:51:50,337 INFO L268 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed.
[2020-09-24 21:51:50,337 INFO L268 CegarLoopResult]: For program point L29-1(line 29) no Hoare annotation was computed.
[2020-09-24 21:51:50,337 INFO L268 CegarLoopResult]: For program point L29-2(line 29) no Hoare annotation was computed.
[2020-09-24 21:51:50,337 INFO L268 CegarLoopResult]: For program point mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 125) no Hoare annotation was computed.
[2020-09-24 21:51:50,337 INFO L268 CegarLoopResult]: For program point L343(line 343) no Hoare annotation was computed.
[2020-09-24 21:51:50,337 INFO L268 CegarLoopResult]: For program point L277(line 277) no Hoare annotation was computed.
[2020-09-24 21:51:50,337 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed.
[2020-09-24 21:51:50,338 INFO L268 CegarLoopResult]: For program point L294(lines 294 316) no Hoare annotation was computed.
[2020-09-24 21:51:50,338 INFO L268 CegarLoopResult]: For program point L261(line 261) no Hoare annotation was computed.
[2020-09-24 21:51:50,338 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 42) no Hoare annotation was computed.
[2020-09-24 21:51:50,338 INFO L268 CegarLoopResult]: For program point L30(lines 30 366) no Hoare annotation was computed.
[2020-09-24 21:51:50,338 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 13 373) the Hoare annotation is: (and (= |old(~__tmp_247_0~0)| ~__tmp_247_0~0) (= |old(~__return_305~0)| ~__return_305~0) (= |old(~__tmp_383_0~0)| ~__tmp_383_0~0))
[2020-09-24 21:51:50,338 INFO L268 CegarLoopResult]: For program point L344(line 344) no Hoare annotation was computed.
[2020-09-24 21:51:50,338 INFO L268 CegarLoopResult]: For program point L278(line 278) no Hoare annotation was computed.
[2020-09-24 21:51:50,338 INFO L268 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed.
[2020-09-24 21:51:50,339 INFO L268 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed.
[2020-09-24 21:51:50,339 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed.
[2020-09-24 21:51:50,339 INFO L268 CegarLoopResult]: For program point mainErr16ASSERT_VIOLATIONERROR_FUNCTION(line 349) no Hoare annotation was computed.
[2020-09-24 21:51:50,339 INFO L268 CegarLoopResult]: For program point L262(line 262) no Hoare annotation was computed.
[2020-09-24 21:51:50,339 INFO L268 CegarLoopResult]: For program point L229(line 229) no Hoare annotation was computed.
[2020-09-24 21:51:50,339 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed.
[2020-09-24 21:51:50,339 INFO L268 CegarLoopResult]: For program point L345(line 345) no Hoare annotation was computed.
[2020-09-24 21:51:50,339 INFO L268 CegarLoopResult]: For program point mainErr7ASSERT_VIOLATIONERROR_FUNCTION(line 153) no Hoare annotation was computed.
[2020-09-24 21:51:50,340 INFO L268 CegarLoopResult]: For program point L213(line 213) no Hoare annotation was computed.
[2020-09-24 21:51:50,340 INFO L268 CegarLoopResult]: For program point L213-1(line 213) no Hoare annotation was computed.
[2020-09-24 21:51:50,340 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed.
[2020-09-24 21:51:50,340 INFO L268 CegarLoopResult]: For program point L213-2(line 213) no Hoare annotation was computed.
[2020-09-24 21:51:50,340 INFO L268 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed.
[2020-09-24 21:51:50,340 INFO L268 CegarLoopResult]: For program point L81(lines 81 91) no Hoare annotation was computed.
[2020-09-24 21:51:50,340 INFO L268 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed.
[2020-09-24 21:51:50,340 INFO L268 CegarLoopResult]: For program point L296(line 296) no Hoare annotation was computed.
[2020-09-24 21:51:50,341 INFO L268 CegarLoopResult]: For program point L263(line 263) no Hoare annotation was computed.
[2020-09-24 21:51:50,341 INFO L268 CegarLoopResult]: For program point L230(line 230) no Hoare annotation was computed.
[2020-09-24 21:51:50,341 INFO L268 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed.
[2020-09-24 21:51:50,341 INFO L268 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed.
[2020-09-24 21:51:50,341 INFO L268 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed.
[2020-09-24 21:51:50,341 INFO L268 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed.
[2020-09-24 21:51:50,341 INFO L268 CegarLoopResult]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 71) no Hoare annotation was computed.
[2020-09-24 21:51:50,341 INFO L268 CegarLoopResult]: For program point L346(line 346) no Hoare annotation was computed.
[2020-09-24 21:51:50,341 INFO L264 CegarLoopResult]: At program point L313(lines 30 366) the Hoare annotation is: (<= 0 main_~main__t~0)
[2020-09-24 21:51:50,342 INFO L268 CegarLoopResult]: For program point L214(lines 214 249) no Hoare annotation was computed.
[2020-09-24 21:51:50,342 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed.
[2020-09-24 21:51:50,342 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed.
[2020-09-24 21:51:50,342 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed.
[2020-09-24 21:51:50,342 INFO L268 CegarLoopResult]: For program point L16(line 16) no Hoare annotation was computed.
[2020-09-24 21:51:50,342 INFO L268 CegarLoopResult]: For program point L297(line 297) no Hoare annotation was computed.
[2020-09-24 21:51:50,342 INFO L268 CegarLoopResult]: For program point L264(lines 264 364) no Hoare annotation was computed.
[2020-09-24 21:51:50,342 INFO L268 CegarLoopResult]: For program point L231(line 231) no Hoare annotation was computed.
[2020-09-24 21:51:50,343 INFO L268 CegarLoopResult]: For program point L132(lines 132 199) no Hoare annotation was computed.
[2020-09-24 21:51:50,343 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed.
[2020-09-24 21:51:50,343 INFO L268 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed.
[2020-09-24 21:51:50,345 INFO L268 CegarLoopResult]: For program point L99-1(line 99) no Hoare annotation was computed.
[2020-09-24 21:51:50,345 INFO L268 CegarLoopResult]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed.
[2020-09-24 21:51:50,345 INFO L268 CegarLoopResult]: For program point L99-2(line 99) no Hoare annotation was computed.
[2020-09-24 21:51:50,345 INFO L268 CegarLoopResult]: For program point L347(lines 347 356) no Hoare annotation was computed.
[2020-09-24 21:51:50,346 INFO L264 CegarLoopResult]: At program point L248(lines 100 250) the Hoare annotation is: (and (<= (+ main_~main__t~0 1) main_~main__tagbuf_len~0) (<= 1 main_~main__t~0) (<= 1 main_~__tmp_2~0) (<= 1 main_~__tmp_1~0) (<= 1 main_~__VERIFIER_assert__cond~0) (<= 1 main_~__VERIFIER_assert__cond~1))
[2020-09-24 21:51:50,346 INFO L268 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed.
[2020-09-24 21:51:50,346 INFO L268 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed.
[2020-09-24 21:51:50,346 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed.
[2020-09-24 21:51:50,346 INFO L268 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed.
[2020-09-24 21:51:50,346 INFO L268 CegarLoopResult]: For program point L17(line 17) no Hoare annotation was computed.
[2020-09-24 21:51:50,346 INFO L268 CegarLoopResult]: For program point L17-1(line 17) no Hoare annotation was computed.
[2020-09-24 21:51:50,346 INFO L268 CegarLoopResult]: For program point L17-2(line 17) no Hoare annotation was computed.
[2020-09-24 21:51:50,347 INFO L268 CegarLoopResult]: For program point L331(line 331) no Hoare annotation was computed.
[2020-09-24 21:51:50,347 INFO L268 CegarLoopResult]: For program point L232(line 232) no Hoare annotation was computed.
[2020-09-24 21:51:50,347 INFO L268 CegarLoopResult]: For program point L100(lines 100 250) no Hoare annotation was computed.
[2020-09-24 21:51:50,347 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed.
[2020-09-24 21:51:50,347 INFO L268 CegarLoopResult]: For program point L282(line 282) no Hoare annotation was computed.
[2020-09-24 21:51:50,347 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed.
[2020-09-24 21:51:50,347 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed.
[2020-09-24 21:51:50,347 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed.
[2020-09-24 21:51:50,348 INFO L268 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed.
[2020-09-24 21:51:50,348 INFO L268 CegarLoopResult]: For program point L18(lines 18 372) no Hoare annotation was computed.
[2020-09-24 21:51:50,348 INFO L268 CegarLoopResult]: For program point mainErr12ASSERT_VIOLATIONERROR_FUNCTION(line 277) no Hoare annotation was computed.
[2020-09-24 21:51:50,348 INFO L268 CegarLoopResult]: For program point L332(line 332) no Hoare annotation was computed.
[2020-09-24 21:51:50,348 INFO L268 CegarLoopResult]: For program point L266(line 266) no Hoare annotation was computed.
[2020-09-24 21:51:50,348 INFO L268 CegarLoopResult]: For program point L233(lines 233 241) no Hoare annotation was computed.
[2020-09-24 21:51:50,348 INFO L268 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed.
[2020-09-24 21:51:50,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 09:51:50 BoogieIcfgContainer
[2020-09-24 21:51:50,380 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-24 21:51:50,387 INFO L168 Benchmark]: Toolchain (without parser) took 44460.96 ms. Allocated memory was 137.9 MB in the beginning and 455.1 MB in the end (delta: 317.2 MB). Free memory was 101.3 MB in the beginning and 415.0 MB in the end (delta: -313.7 MB). Peak memory consumption was 335.6 MB. Max. memory is 7.1 GB.
[2020-09-24 21:51:50,390 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-09-24 21:51:50,392 INFO L168 Benchmark]: CACSL2BoogieTranslator took 396.11 ms. Allocated memory is still 137.9 MB. Free memory was 100.7 MB in the beginning and 87.9 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB.
[2020-09-24 21:51:50,392 INFO L168 Benchmark]: Boogie Preprocessor took 125.59 ms. Allocated memory was 137.9 MB in the beginning and 200.8 MB in the end (delta: 62.9 MB). Free memory was 87.9 MB in the beginning and 177.9 MB in the end (delta: -90.0 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB.
[2020-09-24 21:51:50,393 INFO L168 Benchmark]: RCFGBuilder took 651.26 ms. Allocated memory is still 200.8 MB. Free memory was 177.9 MB in the beginning and 142.4 MB in the end (delta: 35.5 MB). Peak memory consumption was 35.5 MB. Max. memory is 7.1 GB.
[2020-09-24 21:51:50,393 INFO L168 Benchmark]: TraceAbstraction took 43278.48 ms. Allocated memory was 200.8 MB in the beginning and 455.1 MB in the end (delta: 254.3 MB). Free memory was 142.4 MB in the beginning and 415.0 MB in the end (delta: -272.6 MB). Peak memory consumption was 313.8 MB. Max. memory is 7.1 GB.
[2020-09-24 21:51:50,400 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.26 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 396.11 ms. Allocated memory is still 137.9 MB. Free memory was 100.7 MB in the beginning and 87.9 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 125.59 ms. Allocated memory was 137.9 MB in the beginning and 200.8 MB in the end (delta: 62.9 MB). Free memory was 87.9 MB in the beginning and 177.9 MB in the end (delta: -90.0 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 651.26 ms. Allocated memory is still 200.8 MB. Free memory was 177.9 MB in the beginning and 142.4 MB in the end (delta: 35.5 MB). Peak memory consumption was 35.5 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 43278.48 ms. Allocated memory was 200.8 MB in the beginning and 455.1 MB in the end (delta: 254.3 MB). Free memory was 142.4 MB in the beginning and 415.0 MB in the end (delta: -272.6 MB). Peak memory consumption was 313.8 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 42]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- PositiveResult [Line: 337]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- PositiveResult [Line: 349]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- PositiveResult [Line: 153]: 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: 296]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- PositiveResult [Line: 187]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- PositiveResult [Line: 223]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- PositiveResult [Line: 308]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- PositiveResult [Line: 277]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- PositiveResult [Line: 113]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- PositiveResult [Line: 235]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- PositiveResult [Line: 71]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- PositiveResult [Line: 141]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- PositiveResult [Line: 125]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- PositiveResult [Line: 83]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- PositiveResult [Line: 54]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- AllSpecificationsHoldResult: All specifications hold
17 specifications checked. All of them hold
- InvariantResult [Line: 30]: Loop Invariant
Derived loop invariant: main__t + 1 <= main__tagbuf_len && 0 <= main__t
- InvariantResult [Line: 58]: Loop Invariant
Derived loop invariant: ((((1 <= main__t && 1 <= __tmp_2) && 1 <= __tmp_1) && main__t < main__tagbuf_len + 1) && 1 <= __VERIFIER_assert__cond) && 1 <= __VERIFIER_assert__cond
- InvariantResult [Line: 100]: Loop Invariant
Derived loop invariant: ((((main__t + 1 <= main__tagbuf_len && 1 <= main__t) && 1 <= __tmp_2) && 1 <= __tmp_1) && 1 <= __VERIFIER_assert__cond) && 1 <= __VERIFIER_assert__cond
- InvariantResult [Line: 281]: Loop Invariant
Derived loop invariant: ((!(__tmp_14 == 0) && main__t + 1 <= main__tagbuf_len) && !(__VERIFIER_assert__cond == 0)) && 0 <= main__t
- InvariantResult [Line: 30]: Loop Invariant
Derived loop invariant: 0 <= main__t
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 4 procedures, 214 locations, 17 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 42.2s, OverallIterations: 20, TraceHistogramMax: 1, AutomataDifference: 10.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3066 SDtfs, 6648 SDslu, 6670 SDs, 0 SdLazy, 7505 SolverSat, 246 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 320 GetRequests, 65 SyntacticMatches, 20 SemanticMatches, 235 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 367 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=209occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 20 MinimizatonAttempts, 1031 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 12 NumberOfFragments, 96 HoareAnnotationTreeSize, 9 FomulaSimplifications, 118931 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 9 FomulaSimplificationsInter, 14555 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 30.7s InterpolantComputationTime, 1078 NumberOfCodeBlocks, 1078 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1058 ConstructedInterpolants, 0 QuantifiedInterpolants, 230215 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 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...