/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=1.0 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-c90d42b
[2020-09-25 09:10:50,281 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-25 09:10:50,286 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 09:10:50,312 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 09:10:50,312 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 09:10:50,313 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 09:10:50,315 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 09:10:50,316 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 09:10:50,318 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 09:10:50,319 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 09:10:50,320 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 09:10:50,321 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 09:10:50,321 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 09:10:50,322 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 09:10:50,323 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 09:10:50,324 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 09:10:50,325 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 09:10:50,326 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 09:10:50,328 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 09:10:50,330 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 09:10:50,331 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 09:10:50,332 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 09:10:50,334 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 09:10:50,335 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 09:10:50,337 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 09:10:50,337 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 09:10:50,338 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 09:10:50,339 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 09:10:50,339 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 09:10:50,340 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 09:10:50,340 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 09:10:50,341 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 09:10:50,342 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 09:10:50,343 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 09:10:50,344 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 09:10:50,344 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 09:10:50,345 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 09:10:50,345 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 09:10:50,346 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 09:10:50,347 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 09:10:50,347 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 09:10:50,348 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-09-25 09:10:50,382 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-25 09:10:50,382 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 09:10:50,386 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 09:10:50,386 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-25 09:10:50,386 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-25 09:10:50,386 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 09:10:50,386 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-25 09:10:50,387 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-25 09:10:50,387 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-25 09:10:50,387 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-25 09:10:50,387 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 09:10:50,387 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 09:10:50,388 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 09:10:50,388 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-25 09:10:50,388 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-25 09:10:50,388 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-25 09:10:50,389 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-25 09:10:50,389 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 09:10:50,389 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-25 09:10:50,389 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-25 09:10:50,390 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-25 09:10:50,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 09:10:50,390 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 09:10:50,390 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 09:10:50,390 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 09:10:50,391 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-25 09:10:50,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 09:10:50,391 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 09:10:50,391 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-25 09:10:50,392 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true;
[2020-09-25 09:10:50,890 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 09:10:50,914 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 09:10:50,919 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 09:10:50,921 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-25 09:10:50,921 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-25 09:10:50,922 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c
[2020-09-25 09:10:51,016 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d8cb9ce6a/e2d1d628b3424cfbafb4eb3aee454a8f/FLAG2613d6bfc
[2020-09-25 09:10:51,575 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-25 09:10:51,576 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c
[2020-09-25 09:10:51,593 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d8cb9ce6a/e2d1d628b3424cfbafb4eb3aee454a8f/FLAG2613d6bfc
[2020-09-25 09:10:51,903 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d8cb9ce6a/e2d1d628b3424cfbafb4eb3aee454a8f
[2020-09-25 09:10:51,916 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 09:10:51,922 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 09:10:51,926 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 09:10:51,926 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 09:10:51,931 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 09:10:51,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:10:51" (1/1) ...
[2020-09-25 09:10:51,940 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4815436f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:10:51, skipping insertion in model container
[2020-09-25 09:10:51,941 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:10:51" (1/1) ...
[2020-09-25 09:10:51,952 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-25 09:10:52,009 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-25 09:10:52,242 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 09:10:52,249 INFO L203 MainTranslator]: Completed pre-run
[2020-09-25 09:10:52,288 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 09:10:52,307 INFO L208 MainTranslator]: Completed translation
[2020-09-25 09:10:52,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:10:52 WrapperNode
[2020-09-25 09:10:52,307 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 09:10:52,308 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 09:10:52,309 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 09:10:52,309 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 09:10:52,411 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:10:52" (1/1) ...
[2020-09-25 09:10:52,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:10:52" (1/1) ...
[2020-09-25 09:10:52,418 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:10:52" (1/1) ...
[2020-09-25 09:10:52,419 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:10:52" (1/1) ...
[2020-09-25 09:10:52,426 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:10:52" (1/1) ...
[2020-09-25 09:10:52,430 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:10:52" (1/1) ...
[2020-09-25 09:10:52,432 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:10:52" (1/1) ...
[2020-09-25 09:10:52,435 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 09:10:52,436 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 09:10:52,436 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 09:10:52,436 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-25 09:10:52,437 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:10:52" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 09:10:52,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 09:10:52,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 09:10:52,510 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2020-09-25 09:10:52,510 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 09:10:52,510 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 09:10:52,510 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2020-09-25 09:10:52,511 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2020-09-25 09:10:52,511 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2020-09-25 09:10:52,511 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 09:10:52,512 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-25 09:10:52,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 09:10:52,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 09:10:53,008 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 09:10:53,008 INFO L295 CfgBuilder]: Removed 0 assume(true) statements.
[2020-09-25 09:10:53,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:10:53 BoogieIcfgContainer
[2020-09-25 09:10:53,016 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 09:10:53,017 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 09:10:53,017 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 09:10:53,021 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-25 09:10:53,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 09:10:51" (1/3) ...
[2020-09-25 09:10:53,022 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27cc1e17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:10:53, skipping insertion in model container
[2020-09-25 09:10:53,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:10:52" (2/3) ...
[2020-09-25 09:10:53,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27cc1e17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:10:53, skipping insertion in model container
[2020-09-25 09:10:53,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:10:53" (3/3) ...
[2020-09-25 09:10:53,026 INFO L109 eAbstractionObserver]: Analyzing ICFG SpamAssassin-loop.i.v+cfa-reducer.c
[2020-09-25 09:10:53,035 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 09:10:53,046 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 16 error locations.
[2020-09-25 09:10:53,067 INFO L251 AbstractCegarLoop]: Starting to check reachability of 16 error locations.
[2020-09-25 09:10:53,101 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-25 09:10:53,102 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-25 09:10:53,102 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 09:10:53,102 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 09:10:53,102 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 09:10:53,102 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-25 09:10:53,103 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 09:10:53,103 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 09:10:53,129 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states.
[2020-09-25 09:10:53,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2020-09-25 09:10:53,136 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 09:10:53,138 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 09:10:53,138 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 09:10:53,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 09:10:53,145 INFO L82 PathProgramCache]: Analyzing trace with hash -2057699390, now seen corresponding path program 1 times
[2020-09-25 09:10:53,154 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 09:10:53,154 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [327770431]
[2020-09-25 09:10:53,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 09:10:53,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:10:53,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:10:53,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:10:53,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:10:53,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37
[2020-09-25 09:10:53,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 09:10:53,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 434
[2020-09-25 09:10:53,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:10:53,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:10:53,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 09:10:53,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26
[2020-09-25 09:10:53,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10
[2020-09-25 09:10:53,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4
[2020-09-25 09:10:53,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 09:10:53,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:10:53,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:10:53,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:10:53,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 09:10:53,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:10:53,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 09:10:53,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:10:53,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:10:53,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 09:10:53,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:10:53,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 09:10:53,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:10:53,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 09:10:53,840 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [327770431]
[2020-09-25 09:10:53,842 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 09:10:53,843 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-09-25 09:10:53,844 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380216036]
[2020-09-25 09:10:53,850 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-09-25 09:10:53,850 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 09:10:53,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-09-25 09:10:53,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-09-25 09:10:53,872 INFO L87 Difference]: Start difference. First operand 178 states. Second operand 6 states.
[2020-09-25 09:10:54,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 09:10:54,563 INFO L93 Difference]: Finished difference Result 435 states and 497 transitions.
[2020-09-25 09:10:54,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2020-09-25 09:10:54,565 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30
[2020-09-25 09:10:54,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 09:10:54,582 INFO L225 Difference]: With dead ends: 435
[2020-09-25 09:10:54,582 INFO L226 Difference]: Without dead ends: 264
[2020-09-25 09:10:54,588 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132
[2020-09-25 09:10:54,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states.
[2020-09-25 09:10:54,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 154.
[2020-09-25 09:10:54,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states.
[2020-09-25 09:10:54,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 158 transitions.
[2020-09-25 09:10:54,658 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 158 transitions. Word has length 30
[2020-09-25 09:10:54,658 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 09:10:54,659 INFO L479 AbstractCegarLoop]: Abstraction has 154 states and 158 transitions.
[2020-09-25 09:10:54,659 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-09-25 09:10:54,659 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 158 transitions.
[2020-09-25 09:10:54,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2020-09-25 09:10:54,660 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 09:10:54,660 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 09:10:54,661 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 09:10:54,661 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 09:10:54,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 09:10:54,662 INFO L82 PathProgramCache]: Analyzing trace with hash 1575143415, now seen corresponding path program 1 times
[2020-09-25 09:10:54,663 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 09:10:54,663 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1472806183]
[2020-09-25 09:10:54,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 09:10:54,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:10:54,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:10:54,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:10:54,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37
[2020-09-25 09:10:54,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:10:54,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157
[2020-09-25 09:10:54,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:10:54,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:10:54,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 09:10:54,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30
[2020-09-25 09:10:54,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 09:10:54,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 09:10:54,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 09:10:54,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:10:54,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:10:54,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:10:54,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 09:10:54,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:10:54,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 09:10:54,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:10:54,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:10:54,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 09:10:54,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:10:54,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 09:10:54,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 09:10:54,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 09:10:54,923 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1472806183]
[2020-09-25 09:10:54,923 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 09:10:54,924 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-09-25 09:10:54,925 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751925259]
[2020-09-25 09:10:54,927 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-09-25 09:10:54,928 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 09:10:54,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-09-25 09:10:54,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-09-25 09:10:54,933 INFO L87 Difference]: Start difference. First operand 154 states and 158 transitions. Second operand 6 states.
[2020-09-25 09:10:55,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 09:10:55,351 INFO L93 Difference]: Finished difference Result 223 states and 230 transitions.
[2020-09-25 09:10:55,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2020-09-25 09:10:55,352 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30
[2020-09-25 09:10:55,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 09:10:55,355 INFO L225 Difference]: With dead ends: 223
[2020-09-25 09:10:55,355 INFO L226 Difference]: Without dead ends: 221
[2020-09-25 09:10:55,356 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110
[2020-09-25 09:10:55,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states.
[2020-09-25 09:10:55,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 152.
[2020-09-25 09:10:55,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states.
[2020-09-25 09:10:55,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 156 transitions.
[2020-09-25 09:10:55,371 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 156 transitions. Word has length 30
[2020-09-25 09:10:55,371 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 09:10:55,371 INFO L479 AbstractCegarLoop]: Abstraction has 152 states and 156 transitions.
[2020-09-25 09:10:55,371 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-09-25 09:10:55,372 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 156 transitions.
[2020-09-25 09:10:55,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2020-09-25 09:10:55,373 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 09:10:55,373 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 09:10:55,373 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 09:10:55,374 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 09:10:55,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 09:10:55,374 INFO L82 PathProgramCache]: Analyzing trace with hash 949374873, now seen corresponding path program 1 times
[2020-09-25 09:10:55,374 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 09:10:55,375 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [191182262]
[2020-09-25 09:10:55,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 09:10:55,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:10:55,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:10:55,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:10:55,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42
[2020-09-25 09:10:55,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:10:55,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68
[2020-09-25 09:10:55,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:10:55,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:10:55,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 09:10:55,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25
[2020-09-25 09:10:55,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16
[2020-09-25 09:10:55,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:10:55,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 09:10:55,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:10:55,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:10:55,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:10:55,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 09:10:55,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:10:55,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 09:10:55,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:10:55,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:10:55,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 09:10:55,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:10:55,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 09:10:55,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:10:55,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 09:10:55,514 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [191182262]
[2020-09-25 09:10:55,514 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 09:10:55,514 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-09-25 09:10:55,515 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619463867]
[2020-09-25 09:10:55,515 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-09-25 09:10:55,516 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 09:10:55,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-09-25 09:10:55,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-09-25 09:10:55,516 INFO L87 Difference]: Start difference. First operand 152 states and 156 transitions. Second operand 6 states.
[2020-09-25 09:10:55,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 09:10:55,879 INFO L93 Difference]: Finished difference Result 263 states and 271 transitions.
[2020-09-25 09:10:55,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2020-09-25 09:10:55,881 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35
[2020-09-25 09:10:55,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 09:10:55,884 INFO L225 Difference]: With dead ends: 263
[2020-09-25 09:10:55,884 INFO L226 Difference]: Without dead ends: 261
[2020-09-25 09:10:55,885 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90
[2020-09-25 09:10:55,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states.
[2020-09-25 09:10:55,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 150.
[2020-09-25 09:10:55,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states.
[2020-09-25 09:10:55,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 154 transitions.
[2020-09-25 09:10:55,904 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 154 transitions. Word has length 35
[2020-09-25 09:10:55,904 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 09:10:55,904 INFO L479 AbstractCegarLoop]: Abstraction has 150 states and 154 transitions.
[2020-09-25 09:10:55,904 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-09-25 09:10:55,904 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 154 transitions.
[2020-09-25 09:10:55,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2020-09-25 09:10:55,906 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 09:10:55,906 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 09:10:55,906 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 09:10:55,907 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 09:10:55,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 09:10:55,907 INFO L82 PathProgramCache]: Analyzing trace with hash 386303974, now seen corresponding path program 1 times
[2020-09-25 09:10:55,907 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 09:10:55,908 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [454262547]
[2020-09-25 09:10:55,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 09:10:55,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:10:55,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:10:56,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:10:56,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42
[2020-09-25 09:10:56,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:10:56,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93
[2020-09-25 09:10:56,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:10:56,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:10:56,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 09:10:56,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25
[2020-09-25 09:10:56,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16
[2020-09-25 09:10:56,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:10:56,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 09:10:56,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:10:56,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:10:56,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:10:56,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 09:10:56,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:10:56,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 09:10:56,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:10:56,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:10:56,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 09:10:56,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:10:56,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 09:10:56,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:10:56,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 09:10:56,067 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [454262547]
[2020-09-25 09:10:56,067 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 09:10:56,068 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-09-25 09:10:56,068 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590747378]
[2020-09-25 09:10:56,068 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-09-25 09:10:56,069 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 09:10:56,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-09-25 09:10:56,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-09-25 09:10:56,069 INFO L87 Difference]: Start difference. First operand 150 states and 154 transitions. Second operand 6 states.
[2020-09-25 09:10:56,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 09:10:56,325 INFO L93 Difference]: Finished difference Result 192 states and 199 transitions.
[2020-09-25 09:10:56,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2020-09-25 09:10:56,326 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35
[2020-09-25 09:10:56,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 09:10:56,328 INFO L225 Difference]: With dead ends: 192
[2020-09-25 09:10:56,328 INFO L226 Difference]: Without dead ends: 190
[2020-09-25 09:10:56,328 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90
[2020-09-25 09:10:56,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states.
[2020-09-25 09:10:56,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 148.
[2020-09-25 09:10:56,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states.
[2020-09-25 09:10:56,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 152 transitions.
[2020-09-25 09:10:56,339 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 152 transitions. Word has length 35
[2020-09-25 09:10:56,339 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 09:10:56,339 INFO L479 AbstractCegarLoop]: Abstraction has 148 states and 152 transitions.
[2020-09-25 09:10:56,339 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-09-25 09:10:56,339 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 152 transitions.
[2020-09-25 09:10:56,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41
[2020-09-25 09:10:56,340 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 09:10:56,341 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 09:10:56,341 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-25 09:10:56,341 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 09:10:56,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 09:10:56,342 INFO L82 PathProgramCache]: Analyzing trace with hash 1765112685, now seen corresponding path program 1 times
[2020-09-25 09:10:56,342 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 09:10:56,342 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1681215103]
[2020-09-25 09:10:56,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 09:10:56,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:10:56,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:10:56,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:10:56,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47
[2020-09-25 09:10:56,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:10:56,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94
[2020-09-25 09:10:56,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:10:56,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:10:56,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 09:10:56,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24
[2020-09-25 09:10:56,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22
[2020-09-25 09:10:56,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:10:56,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 09:10:56,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:10:56,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:10:56,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:10:56,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 09:10:56,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:10:56,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 09:10:56,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:10:56,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:10:56,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 09:10:56,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:10:56,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 09:10:56,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:10:56,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 09:10:56,509 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1681215103]
[2020-09-25 09:10:56,509 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 09:10:56,509 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-09-25 09:10:56,510 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095484060]
[2020-09-25 09:10:56,510 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-09-25 09:10:56,510 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 09:10:56,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-09-25 09:10:56,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2020-09-25 09:10:56,511 INFO L87 Difference]: Start difference. First operand 148 states and 152 transitions. Second operand 7 states.
[2020-09-25 09:10:57,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 09:10:57,023 INFO L93 Difference]: Finished difference Result 262 states and 270 transitions.
[2020-09-25 09:10:57,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2020-09-25 09:10:57,023 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 40
[2020-09-25 09:10:57,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 09:10:57,026 INFO L225 Difference]: With dead ends: 262
[2020-09-25 09:10:57,026 INFO L226 Difference]: Without dead ends: 260
[2020-09-25 09:10:57,027 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156
[2020-09-25 09:10:57,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states.
[2020-09-25 09:10:57,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 146.
[2020-09-25 09:10:57,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states.
[2020-09-25 09:10:57,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 150 transitions.
[2020-09-25 09:10:57,039 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 150 transitions. Word has length 40
[2020-09-25 09:10:57,039 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 09:10:57,040 INFO L479 AbstractCegarLoop]: Abstraction has 146 states and 150 transitions.
[2020-09-25 09:10:57,040 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-09-25 09:10:57,040 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 150 transitions.
[2020-09-25 09:10:57,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46
[2020-09-25 09:10:57,041 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 09:10:57,041 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 09:10:57,041 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-09-25 09:10:57,042 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 09:10:57,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 09:10:57,042 INFO L82 PathProgramCache]: Analyzing trace with hash -1900232348, now seen corresponding path program 1 times
[2020-09-25 09:10:57,042 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 09:10:57,043 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [10089307]
[2020-09-25 09:10:57,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 09:10:57,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:10:57,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:10:57,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:10:57,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52
[2020-09-25 09:10:57,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:10:57,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94
[2020-09-25 09:10:57,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:10:57,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:10:57,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 09:10:57,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27
[2020-09-25 09:10:57,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24
[2020-09-25 09:10:57,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:10:57,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 09:10:57,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:10:57,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:10:57,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:10:57,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 09:10:57,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:10:57,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 09:10:57,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:10:57,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:10:57,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 09:10:57,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:10:57,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 09:10:57,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:10:57,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 09:10:57,201 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [10089307]
[2020-09-25 09:10:57,202 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 09:10:57,202 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-09-25 09:10:57,202 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810444857]
[2020-09-25 09:10:57,203 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-09-25 09:10:57,203 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 09:10:57,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-09-25 09:10:57,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-09-25 09:10:57,203 INFO L87 Difference]: Start difference. First operand 146 states and 150 transitions. Second operand 6 states.
[2020-09-25 09:10:57,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 09:10:57,572 INFO L93 Difference]: Finished difference Result 267 states and 275 transitions.
[2020-09-25 09:10:57,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2020-09-25 09:10:57,572 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 45
[2020-09-25 09:10:57,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 09:10:57,574 INFO L225 Difference]: With dead ends: 267
[2020-09-25 09:10:57,574 INFO L226 Difference]: Without dead ends: 265
[2020-09-25 09:10:57,575 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90
[2020-09-25 09:10:57,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states.
[2020-09-25 09:10:57,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 144.
[2020-09-25 09:10:57,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states.
[2020-09-25 09:10:57,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 148 transitions.
[2020-09-25 09:10:57,582 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 148 transitions. Word has length 45
[2020-09-25 09:10:57,583 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 09:10:57,583 INFO L479 AbstractCegarLoop]: Abstraction has 144 states and 148 transitions.
[2020-09-25 09:10:57,583 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-09-25 09:10:57,583 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 148 transitions.
[2020-09-25 09:10:57,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46
[2020-09-25 09:10:57,584 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 09:10:57,584 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 09:10:57,585 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-09-25 09:10:57,585 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 09:10:57,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 09:10:57,585 INFO L82 PathProgramCache]: Analyzing trace with hash -1678067487, now seen corresponding path program 1 times
[2020-09-25 09:10:57,586 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 09:10:57,586 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2114758715]
[2020-09-25 09:10:57,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 09:10:57,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:10:57,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:10:57,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:10:57,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:10:57,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:10:57,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:10:57,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52
[2020-09-25 09:10:57,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4
[2020-09-25 09:10:57,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 354
[2020-09-25 09:10:57,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:10:57,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:10:57,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 09:10:57,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26
[2020-09-25 09:10:57,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25
[2020-09-25 09:10:57,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:10:57,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 09:10:57,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:10:57,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:10:57,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:10:57,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 09:10:57,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:10:57,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 09:10:57,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:10:57,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:10:57,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 09:10:57,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:10:57,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 09:10:57,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:10:58,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 09:10:58,000 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2114758715]
[2020-09-25 09:10:58,000 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 09:10:58,001 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-09-25 09:10:58,001 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332747710]
[2020-09-25 09:10:58,001 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-09-25 09:10:58,001 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 09:10:58,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-09-25 09:10:58,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-09-25 09:10:58,002 INFO L87 Difference]: Start difference. First operand 144 states and 148 transitions. Second operand 6 states.
[2020-09-25 09:10:58,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 09:10:58,357 INFO L93 Difference]: Finished difference Result 194 states and 202 transitions.
[2020-09-25 09:10:58,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2020-09-25 09:10:58,357 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 45
[2020-09-25 09:10:58,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 09:10:58,359 INFO L225 Difference]: With dead ends: 194
[2020-09-25 09:10:58,359 INFO L226 Difference]: Without dead ends: 192
[2020-09-25 09:10:58,360 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110
[2020-09-25 09:10:58,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states.
[2020-09-25 09:10:58,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 142.
[2020-09-25 09:10:58,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states.
[2020-09-25 09:10:58,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 146 transitions.
[2020-09-25 09:10:58,366 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 146 transitions. Word has length 45
[2020-09-25 09:10:58,366 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 09:10:58,367 INFO L479 AbstractCegarLoop]: Abstraction has 142 states and 146 transitions.
[2020-09-25 09:10:58,367 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-09-25 09:10:58,367 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 146 transitions.
[2020-09-25 09:10:58,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51
[2020-09-25 09:10:58,368 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 09:10:58,368 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 09:10:58,369 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2020-09-25 09:10:58,369 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 09:10:58,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 09:10:58,369 INFO L82 PathProgramCache]: Analyzing trace with hash 776869197, now seen corresponding path program 1 times
[2020-09-25 09:10:58,369 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 09:10:58,370 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1207940505]
[2020-09-25 09:10:58,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 09:10:58,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:10:58,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:10:58,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:10:58,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:10:58,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57
[2020-09-25 09:10:58,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 09:10:58,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 203
[2020-09-25 09:10:58,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:10:58,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:10:58,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 09:10:58,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25
[2020-09-25 09:10:58,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31
[2020-09-25 09:10:58,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:10:58,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 09:10:58,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:10:58,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:10:58,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:10:58,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 09:10:58,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:10:58,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 09:10:58,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:10:58,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:10:58,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 09:10:58,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:10:58,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 09:10:58,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:10:58,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 09:10:58,635 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1207940505]
[2020-09-25 09:10:58,635 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 09:10:58,635 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-09-25 09:10:58,636 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563875886]
[2020-09-25 09:10:58,636 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-09-25 09:10:58,636 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 09:10:58,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-09-25 09:10:58,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-09-25 09:10:58,637 INFO L87 Difference]: Start difference. First operand 142 states and 146 transitions. Second operand 6 states.
[2020-09-25 09:10:58,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 09:10:58,863 INFO L93 Difference]: Finished difference Result 195 states and 203 transitions.
[2020-09-25 09:10:58,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2020-09-25 09:10:58,863 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50
[2020-09-25 09:10:58,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 09:10:58,865 INFO L225 Difference]: With dead ends: 195
[2020-09-25 09:10:58,865 INFO L226 Difference]: Without dead ends: 193
[2020-09-25 09:10:58,866 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90
[2020-09-25 09:10:58,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states.
[2020-09-25 09:10:58,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 140.
[2020-09-25 09:10:58,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states.
[2020-09-25 09:10:58,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 144 transitions.
[2020-09-25 09:10:58,873 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 144 transitions. Word has length 50
[2020-09-25 09:10:58,873 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 09:10:58,873 INFO L479 AbstractCegarLoop]: Abstraction has 140 states and 144 transitions.
[2020-09-25 09:10:58,873 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-09-25 09:10:58,873 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 144 transitions.
[2020-09-25 09:10:58,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56
[2020-09-25 09:10:58,874 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 09:10:58,875 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 09:10:58,875 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2020-09-25 09:10:58,875 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 09:10:58,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 09:10:58,876 INFO L82 PathProgramCache]: Analyzing trace with hash -828388948, now seen corresponding path program 1 times
[2020-09-25 09:10:58,876 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 09:10:58,876 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1372222065]
[2020-09-25 09:10:58,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 09:10:58,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:10:58,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:10:58,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:10:58,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62
[2020-09-25 09:10:58,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:10:58,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100
[2020-09-25 09:10:58,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:10:58,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:10:58,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 09:10:58,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24
[2020-09-25 09:10:58,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37
[2020-09-25 09:10:58,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:10:59,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 09:10:59,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:10:59,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:10:59,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:10:59,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 09:10:59,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:10:59,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 09:10:59,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:10:59,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:10:59,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 09:10:59,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:10:59,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 09:10:59,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:10:59,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 09:10:59,074 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1372222065]
[2020-09-25 09:10:59,074 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 09:10:59,074 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-09-25 09:10:59,074 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716442018]
[2020-09-25 09:10:59,075 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-09-25 09:10:59,075 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 09:10:59,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-09-25 09:10:59,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2020-09-25 09:10:59,076 INFO L87 Difference]: Start difference. First operand 140 states and 144 transitions. Second operand 7 states.
[2020-09-25 09:10:59,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 09:10:59,454 INFO L93 Difference]: Finished difference Result 198 states and 206 transitions.
[2020-09-25 09:10:59,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2020-09-25 09:10:59,454 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55
[2020-09-25 09:10:59,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 09:10:59,456 INFO L225 Difference]: With dead ends: 198
[2020-09-25 09:10:59,456 INFO L226 Difference]: Without dead ends: 196
[2020-09-25 09:10:59,456 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156
[2020-09-25 09:10:59,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states.
[2020-09-25 09:10:59,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 138.
[2020-09-25 09:10:59,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states.
[2020-09-25 09:10:59,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 142 transitions.
[2020-09-25 09:10:59,463 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 142 transitions. Word has length 55
[2020-09-25 09:10:59,463 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 09:10:59,463 INFO L479 AbstractCegarLoop]: Abstraction has 138 states and 142 transitions.
[2020-09-25 09:10:59,463 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-09-25 09:10:59,463 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 142 transitions.
[2020-09-25 09:10:59,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61
[2020-09-25 09:10:59,464 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 09:10:59,465 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 09:10:59,465 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2020-09-25 09:10:59,465 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 09:10:59,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 09:10:59,465 INFO L82 PathProgramCache]: Analyzing trace with hash -2080692744, now seen corresponding path program 1 times
[2020-09-25 09:10:59,466 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 09:10:59,466 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [902451243]
[2020-09-25 09:10:59,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 09:10:59,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:10:59,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:10:59,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:10:59,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67
[2020-09-25 09:10:59,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:10:59,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89
[2020-09-25 09:10:59,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:10:59,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:10:59,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 09:10:59,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27
[2020-09-25 09:10:59,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39
[2020-09-25 09:10:59,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 09:10:59,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 09:10:59,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:10:59,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:10:59,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:10:59,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 09:10:59,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:10:59,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 09:10:59,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:10:59,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:10:59,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 09:10:59,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:10:59,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 09:10:59,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 09:10:59,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 09:10:59,647 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [902451243]
[2020-09-25 09:10:59,647 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 09:10:59,648 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-09-25 09:10:59,648 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670583448]
[2020-09-25 09:10:59,649 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-09-25 09:10:59,649 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 09:10:59,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-09-25 09:10:59,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-09-25 09:10:59,649 INFO L87 Difference]: Start difference. First operand 138 states and 142 transitions. Second operand 6 states.
[2020-09-25 09:10:59,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 09:10:59,889 INFO L93 Difference]: Finished difference Result 203 states and 211 transitions.
[2020-09-25 09:10:59,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2020-09-25 09:10:59,890 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60
[2020-09-25 09:10:59,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 09:10:59,892 INFO L225 Difference]: With dead ends: 203
[2020-09-25 09:10:59,892 INFO L226 Difference]: Without dead ends: 201
[2020-09-25 09:10:59,893 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90
[2020-09-25 09:10:59,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states.
[2020-09-25 09:10:59,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 136.
[2020-09-25 09:10:59,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states.
[2020-09-25 09:10:59,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 140 transitions.
[2020-09-25 09:10:59,901 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 140 transitions. Word has length 60
[2020-09-25 09:10:59,901 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 09:10:59,901 INFO L479 AbstractCegarLoop]: Abstraction has 136 states and 140 transitions.
[2020-09-25 09:10:59,901 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-09-25 09:10:59,901 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 140 transitions.
[2020-09-25 09:10:59,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70
[2020-09-25 09:10:59,902 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 09:10:59,903 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 09:10:59,903 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2020-09-25 09:10:59,903 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 09:10:59,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 09:10:59,903 INFO L82 PathProgramCache]: Analyzing trace with hash 1555133305, now seen corresponding path program 1 times
[2020-09-25 09:10:59,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 09:10:59,904 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [889346035]
[2020-09-25 09:10:59,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 09:10:59,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:10:59,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:10:59,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:11:00,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:11:00,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76
[2020-09-25 09:11:00,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 09:11:00,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 357
[2020-09-25 09:11:00,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:11:00,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:11:00,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 09:11:00,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30
[2020-09-25 09:11:00,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45
[2020-09-25 09:11:00,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:11:00,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 09:11:00,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:11:00,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:11:00,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:11:00,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 09:11:00,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:11:00,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 09:11:00,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:11:00,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:11:00,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 09:11:00,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:11:00,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 09:11:00,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 09:11:00,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 09:11:00,345 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [889346035]
[2020-09-25 09:11:00,345 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 09:11:00,346 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-09-25 09:11:00,346 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232732371]
[2020-09-25 09:11:00,346 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-09-25 09:11:00,346 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 09:11:00,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-09-25 09:11:00,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2020-09-25 09:11:00,347 INFO L87 Difference]: Start difference. First operand 136 states and 140 transitions. Second operand 7 states.
[2020-09-25 09:11:00,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 09:11:00,895 INFO L93 Difference]: Finished difference Result 375 states and 390 transitions.
[2020-09-25 09:11:00,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2020-09-25 09:11:00,895 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 69
[2020-09-25 09:11:00,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 09:11:00,897 INFO L225 Difference]: With dead ends: 375
[2020-09-25 09:11:00,897 INFO L226 Difference]: Without dead ends: 258
[2020-09-25 09:11:00,898 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182
[2020-09-25 09:11:00,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states.
[2020-09-25 09:11:00,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 158.
[2020-09-25 09:11:00,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states.
[2020-09-25 09:11:00,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 162 transitions.
[2020-09-25 09:11:00,907 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 162 transitions. Word has length 69
[2020-09-25 09:11:00,907 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 09:11:00,907 INFO L479 AbstractCegarLoop]: Abstraction has 158 states and 162 transitions.
[2020-09-25 09:11:00,907 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-09-25 09:11:00,907 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 162 transitions.
[2020-09-25 09:11:00,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75
[2020-09-25 09:11:00,908 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 09:11:00,908 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 09:11:00,908 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2020-09-25 09:11:00,909 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 09:11:00,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 09:11:00,909 INFO L82 PathProgramCache]: Analyzing trace with hash -623432219, now seen corresponding path program 1 times
[2020-09-25 09:11:00,909 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 09:11:00,909 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1667220954]
[2020-09-25 09:11:00,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 09:11:00,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:11:00,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:11:00,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:11:01,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:11:01,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:11:01,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81
[2020-09-25 09:11:01,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 09:11:01,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 911
[2020-09-25 09:11:01,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:11:01,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:11:01,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 09:11:01,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25
[2020-09-25 09:11:01,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55
[2020-09-25 09:11:01,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:11:01,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 09:11:01,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:11:01,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:11:01,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:11:01,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 09:11:01,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:11:01,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 09:11:01,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:11:01,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:11:01,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 09:11:01,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:11:01,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 09:11:01,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 09:11:01,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 09:11:01,904 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1667220954]
[2020-09-25 09:11:01,904 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 09:11:01,905 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-09-25 09:11:01,905 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801856102]
[2020-09-25 09:11:01,905 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-09-25 09:11:01,905 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 09:11:01,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-09-25 09:11:01,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2020-09-25 09:11:01,906 INFO L87 Difference]: Start difference. First operand 158 states and 162 transitions. Second operand 7 states.
[2020-09-25 09:11:02,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 09:11:02,410 INFO L93 Difference]: Finished difference Result 351 states and 362 transitions.
[2020-09-25 09:11:02,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2020-09-25 09:11:02,411 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 74
[2020-09-25 09:11:02,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 09:11:02,413 INFO L225 Difference]: With dead ends: 351
[2020-09-25 09:11:02,413 INFO L226 Difference]: Without dead ends: 349
[2020-09-25 09:11:02,414 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132
[2020-09-25 09:11:02,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states.
[2020-09-25 09:11:02,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 156.
[2020-09-25 09:11:02,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states.
[2020-09-25 09:11:02,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 160 transitions.
[2020-09-25 09:11:02,422 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 160 transitions. Word has length 74
[2020-09-25 09:11:02,423 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 09:11:02,423 INFO L479 AbstractCegarLoop]: Abstraction has 156 states and 160 transitions.
[2020-09-25 09:11:02,423 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-09-25 09:11:02,423 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 160 transitions.
[2020-09-25 09:11:02,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80
[2020-09-25 09:11:02,424 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 09:11:02,424 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 09:11:02,424 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2020-09-25 09:11:02,425 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 09:11:02,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 09:11:02,425 INFO L82 PathProgramCache]: Analyzing trace with hash -1977531324, now seen corresponding path program 1 times
[2020-09-25 09:11:02,425 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 09:11:02,425 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [258639024]
[2020-09-25 09:11:02,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 09:11:02,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:11:02,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:11:02,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:11:02,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86
[2020-09-25 09:11:02,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:11:02,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 170
[2020-09-25 09:11:02,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:11:02,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:11:02,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 09:11:02,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24
[2020-09-25 09:11:02,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61
[2020-09-25 09:11:02,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:11:02,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 09:11:02,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:11:02,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:11:02,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:11:02,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 09:11:02,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:11:02,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 09:11:02,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:11:02,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:11:02,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 09:11:02,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:11:02,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 09:11:02,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 09:11:02,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 09:11:02,684 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [258639024]
[2020-09-25 09:11:02,684 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 09:11:02,684 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-25 09:11:02,685 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166867772]
[2020-09-25 09:11:02,685 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-25 09:11:02,685 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 09:11:02,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-25 09:11:02,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-09-25 09:11:02,686 INFO L87 Difference]: Start difference. First operand 156 states and 160 transitions. Second operand 8 states.
[2020-09-25 09:11:03,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 09:11:03,223 INFO L93 Difference]: Finished difference Result 271 states and 282 transitions.
[2020-09-25 09:11:03,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2020-09-25 09:11:03,224 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 79
[2020-09-25 09:11:03,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 09:11:03,226 INFO L225 Difference]: With dead ends: 271
[2020-09-25 09:11:03,227 INFO L226 Difference]: Without dead ends: 269
[2020-09-25 09:11:03,227 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240
[2020-09-25 09:11:03,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states.
[2020-09-25 09:11:03,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 154.
[2020-09-25 09:11:03,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states.
[2020-09-25 09:11:03,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 158 transitions.
[2020-09-25 09:11:03,238 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 158 transitions. Word has length 79
[2020-09-25 09:11:03,238 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 09:11:03,238 INFO L479 AbstractCegarLoop]: Abstraction has 154 states and 158 transitions.
[2020-09-25 09:11:03,238 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-25 09:11:03,238 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 158 transitions.
[2020-09-25 09:11:03,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85
[2020-09-25 09:11:03,239 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 09:11:03,240 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 09:11:03,240 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2020-09-25 09:11:03,240 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 09:11:03,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 09:11:03,241 INFO L82 PathProgramCache]: Analyzing trace with hash 108101264, now seen corresponding path program 1 times
[2020-09-25 09:11:03,241 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 09:11:03,242 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [212871020]
[2020-09-25 09:11:03,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 09:11:03,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:11:03,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:11:03,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:11:03,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:11:03,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91
[2020-09-25 09:11:03,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 09:11:03,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 416
[2020-09-25 09:11:03,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:11:03,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:11:03,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 09:11:03,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27
[2020-09-25 09:11:03,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63
[2020-09-25 09:11:03,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:11:03,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 09:11:03,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:11:03,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:11:03,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:11:03,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 09:11:03,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:11:03,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 09:11:03,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:11:03,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:11:03,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 09:11:03,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:11:03,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 09:11:03,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:11:03,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 09:11:03,779 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [212871020]
[2020-09-25 09:11:03,779 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 09:11:03,779 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-09-25 09:11:03,780 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693400291]
[2020-09-25 09:11:03,780 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-09-25 09:11:03,780 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 09:11:03,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-09-25 09:11:03,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2020-09-25 09:11:03,781 INFO L87 Difference]: Start difference. First operand 154 states and 158 transitions. Second operand 7 states.
[2020-09-25 09:11:04,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 09:11:04,363 INFO L93 Difference]: Finished difference Result 439 states and 453 transitions.
[2020-09-25 09:11:04,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2020-09-25 09:11:04,364 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 84
[2020-09-25 09:11:04,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 09:11:04,366 INFO L225 Difference]: With dead ends: 439
[2020-09-25 09:11:04,366 INFO L226 Difference]: Without dead ends: 437
[2020-09-25 09:11:04,368 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156
[2020-09-25 09:11:04,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states.
[2020-09-25 09:11:04,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 152.
[2020-09-25 09:11:04,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states.
[2020-09-25 09:11:04,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 156 transitions.
[2020-09-25 09:11:04,379 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 156 transitions. Word has length 84
[2020-09-25 09:11:04,379 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 09:11:04,379 INFO L479 AbstractCegarLoop]: Abstraction has 152 states and 156 transitions.
[2020-09-25 09:11:04,379 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-09-25 09:11:04,379 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 156 transitions.
[2020-09-25 09:11:04,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94
[2020-09-25 09:11:04,380 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 09:11:04,381 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 09:11:04,381 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2020-09-25 09:11:04,381 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 09:11:04,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 09:11:04,381 INFO L82 PathProgramCache]: Analyzing trace with hash 274017809, now seen corresponding path program 1 times
[2020-09-25 09:11:04,382 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 09:11:04,382 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2101839361]
[2020-09-25 09:11:04,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 09:11:04,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:11:04,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:11:04,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:11:04,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100
[2020-09-25 09:11:04,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:11:04,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 228
[2020-09-25 09:11:04,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:11:04,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:11:04,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7
[2020-09-25 09:11:04,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24
[2020-09-25 09:11:04,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75
[2020-09-25 09:11:04,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 09:11:04,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 09:11:04,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:11:04,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:11:04,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:11:04,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 09:11:04,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:11:04,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 09:11:04,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:11:04,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:11:04,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 09:11:04,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:11:04,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 09:11:04,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 09:11:04,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 09:11:04,724 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2101839361]
[2020-09-25 09:11:04,724 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 09:11:04,724 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-09-25 09:11:04,725 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954395104]
[2020-09-25 09:11:04,725 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-09-25 09:11:04,726 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 09:11:04,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-09-25 09:11:04,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72
[2020-09-25 09:11:04,726 INFO L87 Difference]: Start difference. First operand 152 states and 156 transitions. Second operand 9 states.
[2020-09-25 09:11:05,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 09:11:05,380 INFO L93 Difference]: Finished difference Result 281 states and 292 transitions.
[2020-09-25 09:11:05,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2020-09-25 09:11:05,381 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 93
[2020-09-25 09:11:05,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 09:11:05,383 INFO L225 Difference]: With dead ends: 281
[2020-09-25 09:11:05,383 INFO L226 Difference]: Without dead ends: 279
[2020-09-25 09:11:05,383 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342
[2020-09-25 09:11:05,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states.
[2020-09-25 09:11:05,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 150.
[2020-09-25 09:11:05,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states.
[2020-09-25 09:11:05,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 154 transitions.
[2020-09-25 09:11:05,394 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 154 transitions. Word has length 93
[2020-09-25 09:11:05,394 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 09:11:05,394 INFO L479 AbstractCegarLoop]: Abstraction has 150 states and 154 transitions.
[2020-09-25 09:11:05,394 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-09-25 09:11:05,394 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 154 transitions.
[2020-09-25 09:11:05,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99
[2020-09-25 09:11:05,395 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 09:11:05,396 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 09:11:05,396 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2020-09-25 09:11:05,397 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 09:11:05,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 09:11:05,398 INFO L82 PathProgramCache]: Analyzing trace with hash 1620264573, now seen corresponding path program 1 times
[2020-09-25 09:11:05,398 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 09:11:05,398 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [817561387]
[2020-09-25 09:11:05,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 09:11:05,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:11:05,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:11:05,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:11:05,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:11:06,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:11:06,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105
[2020-09-25 09:11:06,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 09:11:06,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1066
[2020-09-25 09:11:06,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:11:06,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:11:06,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 09:11:06,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27
[2020-09-25 09:11:06,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77
[2020-09-25 09:11:06,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 09:11:06,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 09:11:06,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:11:06,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:11:06,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:11:06,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 09:11:06,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:11:06,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 09:11:06,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 09:11:06,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 09:11:06,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 09:11:06,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:11:06,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 09:11:06,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 09:11:06,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 09:11:06,558 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [817561387]
[2020-09-25 09:11:06,560 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 09:11:06,560 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-25 09:11:06,560 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527119814]
[2020-09-25 09:11:06,560 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-25 09:11:06,561 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 09:11:06,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-25 09:11:06,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2020-09-25 09:11:06,561 INFO L87 Difference]: Start difference. First operand 150 states and 154 transitions. Second operand 8 states.
[2020-09-25 09:11:07,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 09:11:07,698 INFO L93 Difference]: Finished difference Result 679 states and 701 transitions.
[2020-09-25 09:11:07,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2020-09-25 09:11:07,698 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98
[2020-09-25 09:11:07,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 09:11:07,699 INFO L225 Difference]: With dead ends: 679
[2020-09-25 09:11:07,699 INFO L226 Difference]: Without dead ends: 0
[2020-09-25 09:11:07,704 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240
[2020-09-25 09:11:07,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-09-25 09:11:07,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-09-25 09:11:07,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-09-25 09:11:07,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-09-25 09:11:07,705 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 98
[2020-09-25 09:11:07,705 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 09:11:07,705 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-09-25 09:11:07,705 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-25 09:11:07,705 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-09-25 09:11:07,706 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-09-25 09:11:07,706 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2020-09-25 09:11:07,709 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-09-25 09:11:08,577 WARN L193 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 106
[2020-09-25 09:11:09,125 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 103
[2020-09-25 09:11:09,485 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 89
[2020-09-25 09:11:09,830 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 41
[2020-09-25 09:11:10,044 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 22
[2020-09-25 09:11:10,208 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 13
[2020-09-25 09:11:10,213 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed.
[2020-09-25 09:11:10,213 INFO L268 CegarLoopResult]: For program point L10(line 10) no Hoare annotation was computed.
[2020-09-25 09:11:10,213 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~__return_334~0 |old(~__return_334~0)|) (= ~__return_main~0 |old(~__return_main~0)|))
[2020-09-25 09:11:10,213 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed.
[2020-09-25 09:11:10,214 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2020-09-25 09:11:10,214 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true
[2020-09-25 09:11:10,214 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2020-09-25 09:11:10,214 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2020-09-25 09:11:10,214 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 4 6) no Hoare annotation was computed.
[2020-09-25 09:11:10,214 INFO L268 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed.
[2020-09-25 09:11:10,214 INFO L268 CegarLoopResult]: For program point L5-1(line 5) no Hoare annotation was computed.
[2020-09-25 09:11:10,214 INFO L268 CegarLoopResult]: For program point L5-3(lines 4 6) no Hoare annotation was computed.
[2020-09-25 09:11:10,215 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 4 6) no Hoare annotation was computed.
[2020-09-25 09:11:10,215 INFO L268 CegarLoopResult]: For program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 86) no Hoare annotation was computed.
[2020-09-25 09:11:10,215 INFO L268 CegarLoopResult]: For program point L250(line 250) no Hoare annotation was computed.
[2020-09-25 09:11:10,215 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 11 311) no Hoare annotation was computed.
[2020-09-25 09:11:10,215 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed.
[2020-09-25 09:11:10,215 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed.
[2020-09-25 09:11:10,215 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed.
[2020-09-25 09:11:10,216 INFO L268 CegarLoopResult]: For program point L234(line 234) no Hoare annotation was computed.
[2020-09-25 09:11:10,217 INFO L268 CegarLoopResult]: For program point L201(lines 201 271) no Hoare annotation was computed.
[2020-09-25 09:11:10,217 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed.
[2020-09-25 09:11:10,217 INFO L268 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed.
[2020-09-25 09:11:10,217 INFO L268 CegarLoopResult]: For program point L36(lines 36 292) no Hoare annotation was computed.
[2020-09-25 09:11:10,217 INFO L268 CegarLoopResult]: For program point L251(line 251) no Hoare annotation was computed.
[2020-09-25 09:11:10,217 INFO L268 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed.
[2020-09-25 09:11:10,217 INFO L268 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed.
[2020-09-25 09:11:10,217 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed.
[2020-09-25 09:11:10,218 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed.
[2020-09-25 09:11:10,218 INFO L268 CegarLoopResult]: For program point L20(line 20) no Hoare annotation was computed.
[2020-09-25 09:11:10,218 INFO L268 CegarLoopResult]: For program point mainErr14ASSERT_VIOLATIONERROR_FUNCTION(line 243) no Hoare annotation was computed.
[2020-09-25 09:11:10,218 INFO L268 CegarLoopResult]: For program point L235(line 235) no Hoare annotation was computed.
[2020-09-25 09:11:10,218 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed.
[2020-09-25 09:11:10,218 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed.
[2020-09-25 09:11:10,218 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed.
[2020-09-25 09:11:10,218 INFO L268 CegarLoopResult]: For program point L252(line 252) no Hoare annotation was computed.
[2020-09-25 09:11:10,218 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed.
[2020-09-25 09:11:10,219 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed.
[2020-09-25 09:11:10,219 INFO L268 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed.
[2020-09-25 09:11:10,219 INFO L264 CegarLoopResult]: At program point L302(lines 23 310) the Hoare annotation is: (and (<= 0 main_~main__i~0) (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0))
[2020-09-25 09:11:10,219 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 11 311) no Hoare annotation was computed.
[2020-09-25 09:11:10,219 INFO L268 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed.
[2020-09-25 09:11:10,219 INFO L268 CegarLoopResult]: For program point mainErr13ASSERT_VIOLATIONERROR_FUNCTION(line 227) no Hoare annotation was computed.
[2020-09-25 09:11:10,219 INFO L268 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed.
[2020-09-25 09:11:10,219 INFO L268 CegarLoopResult]: For program point L137(lines 137 281) no Hoare annotation was computed.
[2020-09-25 09:11:10,220 INFO L268 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed.
[2020-09-25 09:11:10,220 INFO L268 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed.
[2020-09-25 09:11:10,220 INFO L268 CegarLoopResult]: For program point L253(lines 253 263) no Hoare annotation was computed.
[2020-09-25 09:11:10,220 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed.
[2020-09-25 09:11:10,220 INFO L268 CegarLoopResult]: For program point L55(lines 55 284) no Hoare annotation was computed.
[2020-09-25 09:11:10,221 INFO L268 CegarLoopResult]: For program point L237(line 237) no Hoare annotation was computed.
[2020-09-25 09:11:10,221 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed.
[2020-09-25 09:11:10,221 INFO L268 CegarLoopResult]: For program point mainErr8ASSERT_VIOLATIONERROR_FUNCTION(line 163) no Hoare annotation was computed.
[2020-09-25 09:11:10,221 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed.
[2020-09-25 09:11:10,223 INFO L268 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed.
[2020-09-25 09:11:10,223 INFO L268 CegarLoopResult]: For program point L72(lines 72 127) no Hoare annotation was computed.
[2020-09-25 09:11:10,223 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed.
[2020-09-25 09:11:10,223 INFO L268 CegarLoopResult]: For program point L221(line 221) no Hoare annotation was computed.
[2020-09-25 09:11:10,223 INFO L268 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed.
[2020-09-25 09:11:10,223 INFO L268 CegarLoopResult]: For program point L238(line 238) no Hoare annotation was computed.
[2020-09-25 09:11:10,224 INFO L268 CegarLoopResult]: For program point mainErr15ASSERT_VIOLATIONERROR_FUNCTION(line 255) no Hoare annotation was computed.
[2020-09-25 09:11:10,224 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed.
[2020-09-25 09:11:10,224 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed.
[2020-09-25 09:11:10,224 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed.
[2020-09-25 09:11:10,224 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed.
[2020-09-25 09:11:10,224 INFO L268 CegarLoopResult]: For program point L255(line 255) no Hoare annotation was computed.
[2020-09-25 09:11:10,224 INFO L268 CegarLoopResult]: For program point L222(line 222) no Hoare annotation was computed.
[2020-09-25 09:11:10,224 INFO L268 CegarLoopResult]: For program point L189(lines 189 273) no Hoare annotation was computed.
[2020-09-25 09:11:10,225 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed.
[2020-09-25 09:11:10,225 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed.
[2020-09-25 09:11:10,226 INFO L268 CegarLoopResult]: For program point L24-1(line 24) no Hoare annotation was computed.
[2020-09-25 09:11:10,226 INFO L268 CegarLoopResult]: For program point L24-2(line 24) no Hoare annotation was computed.
[2020-09-25 09:11:10,226 INFO L268 CegarLoopResult]: For program point L239(line 239) no Hoare annotation was computed.
[2020-09-25 09:11:10,226 INFO L268 CegarLoopResult]: For program point L173(lines 173 275) no Hoare annotation was computed.
[2020-09-25 09:11:10,226 INFO L268 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed.
[2020-09-25 09:11:10,226 INFO L268 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed.
[2020-09-25 09:11:10,226 INFO L268 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed.
[2020-09-25 09:11:10,226 INFO L268 CegarLoopResult]: For program point mainErr10ASSERT_VIOLATIONERROR_FUNCTION(line 191) no Hoare annotation was computed.
[2020-09-25 09:11:10,227 INFO L268 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed.
[2020-09-25 09:11:10,227 INFO L268 CegarLoopResult]: For program point L256(line 256) no Hoare annotation was computed.
[2020-09-25 09:11:10,228 INFO L268 CegarLoopResult]: For program point L223(line 223) no Hoare annotation was computed.
[2020-09-25 09:11:10,228 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed.
[2020-09-25 09:11:10,228 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed.
[2020-09-25 09:11:10,228 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed.
[2020-09-25 09:11:10,228 INFO L268 CegarLoopResult]: For program point L240(line 240) no Hoare annotation was computed.
[2020-09-25 09:11:10,229 INFO L268 CegarLoopResult]: For program point mainErr9ASSERT_VIOLATIONERROR_FUNCTION(line 175) no Hoare annotation was computed.
[2020-09-25 09:11:10,229 INFO L268 CegarLoopResult]: For program point L108(lines 108 121) no Hoare annotation was computed.
[2020-09-25 09:11:10,229 INFO L268 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed.
[2020-09-25 09:11:10,229 INFO L268 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed.
[2020-09-25 09:11:10,229 INFO L268 CegarLoopResult]: For program point L224(line 224) no Hoare annotation was computed.
[2020-09-25 09:11:10,229 INFO L268 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed.
[2020-09-25 09:11:10,229 INFO L268 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed.
[2020-09-25 09:11:10,230 INFO L268 CegarLoopResult]: For program point mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 98) no Hoare annotation was computed.
[2020-09-25 09:11:10,230 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed.
[2020-09-25 09:11:10,230 INFO L268 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed.
[2020-09-25 09:11:10,230 INFO L268 CegarLoopResult]: For program point L307(line 307) no Hoare annotation was computed.
[2020-09-25 09:11:10,231 INFO L268 CegarLoopResult]: For program point L241(lines 241 265) no Hoare annotation was computed.
[2020-09-25 09:11:10,231 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed.
[2020-09-25 09:11:10,231 INFO L268 CegarLoopResult]: For program point L43(lines 43 286) no Hoare annotation was computed.
[2020-09-25 09:11:10,232 INFO L264 CegarLoopResult]: At program point L291(lines 36 292) the Hoare annotation is: (and (<= 0 main_~main__i~0) (<= 0 main_~main__j~0) (< main_~main__i~0 main_~main__len~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0))
[2020-09-25 09:11:10,232 INFO L268 CegarLoopResult]: For program point L225(lines 225 267) no Hoare annotation was computed.
[2020-09-25 09:11:10,232 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed.
[2020-09-25 09:11:10,232 INFO L268 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed.
[2020-09-25 09:11:10,232 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed.
[2020-09-25 09:11:10,233 INFO L268 CegarLoopResult]: For program point L308(line 308) no Hoare annotation was computed.
[2020-09-25 09:11:10,233 INFO L268 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed.
[2020-09-25 09:11:10,233 INFO L268 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed.
[2020-09-25 09:11:10,233 INFO L268 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed.
[2020-09-25 09:11:10,233 INFO L268 CegarLoopResult]: For program point mainErr11ASSERT_VIOLATIONERROR_FUNCTION(line 203) no Hoare annotation was computed.
[2020-09-25 09:11:10,233 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed.
[2020-09-25 09:11:10,233 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed.
[2020-09-25 09:11:10,234 INFO L268 CegarLoopResult]: For program point mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 139) no Hoare annotation was computed.
[2020-09-25 09:11:10,234 INFO L268 CegarLoopResult]: For program point L243(line 243) no Hoare annotation was computed.
[2020-09-25 09:11:10,234 INFO L268 CegarLoopResult]: For program point L210(line 210) no Hoare annotation was computed.
[2020-09-25 09:11:10,234 INFO L268 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed.
[2020-09-25 09:11:10,234 INFO L268 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed.
[2020-09-25 09:11:10,234 INFO L268 CegarLoopResult]: For program point L260(line 260) no Hoare annotation was computed.
[2020-09-25 09:11:10,235 INFO L268 CegarLoopResult]: For program point L227(line 227) no Hoare annotation was computed.
[2020-09-25 09:11:10,235 INFO L268 CegarLoopResult]: For program point L161(lines 161 277) no Hoare annotation was computed.
[2020-09-25 09:11:10,235 INFO L268 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed.
[2020-09-25 09:11:10,235 INFO L268 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed.
[2020-09-25 09:11:10,235 INFO L268 CegarLoopResult]: For program point mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 110) no Hoare annotation was computed.
[2020-09-25 09:11:10,235 INFO L268 CegarLoopResult]: For program point L244(line 244) no Hoare annotation was computed.
[2020-09-25 09:11:10,236 INFO L268 CegarLoopResult]: For program point L211(line 211) no Hoare annotation was computed.
[2020-09-25 09:11:10,236 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed.
[2020-09-25 09:11:10,236 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed.
[2020-09-25 09:11:10,236 INFO L268 CegarLoopResult]: For program point L261(line 261) no Hoare annotation was computed.
[2020-09-25 09:11:10,236 INFO L268 CegarLoopResult]: For program point L228(line 228) no Hoare annotation was computed.
[2020-09-25 09:11:10,236 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 45) no Hoare annotation was computed.
[2020-09-25 09:11:10,236 INFO L268 CegarLoopResult]: For program point L96(lines 96 123) no Hoare annotation was computed.
[2020-09-25 09:11:10,236 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed.
[2020-09-25 09:11:10,237 INFO L268 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed.
[2020-09-25 09:11:10,237 INFO L268 CegarLoopResult]: For program point L63-1(line 63) no Hoare annotation was computed.
[2020-09-25 09:11:10,237 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 11 311) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0)
[2020-09-25 09:11:10,237 INFO L268 CegarLoopResult]: For program point L63-2(line 63) no Hoare annotation was computed.
[2020-09-25 09:11:10,237 INFO L268 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed.
[2020-09-25 09:11:10,237 INFO L268 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed.
[2020-09-25 09:11:10,237 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed.
[2020-09-25 09:11:10,237 INFO L268 CegarLoopResult]: For program point L14(line 14) no Hoare annotation was computed.
[2020-09-25 09:11:10,238 INFO L264 CegarLoopResult]: At program point L262(lines 29 304) the Hoare annotation is: (let ((.cse1 (<= (+ main_~main__j~0 4) main_~main__bufsize~0)) (.cse4 (<= 0 main_~main__i~0)) (.cse5 (<= 0 main_~main__j~0)) (.cse6 (= |old(~__return_334~0)| ~__return_334~0))) (let ((.cse0 (<= 1 main_~main__j~0)) (.cse2 (let ((.cse7 (<= 1 main_~main__i~0))) (or (and .cse4 .cse5 .cse7 .cse1 .cse6) (and .cse4 .cse5 .cse7 (<= 1 main_~__tmp_13~0) .cse6 (<= 1 main_~__VERIFIER_assert__cond~12))))) (.cse3 (<= (+ main_~main__limit~0 4) main_~main__bufsize~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 (<= (+ main_~main__i~0 1) main_~main__len~0) .cse6 .cse3) (and .cse0 (<= 1 main_~__VERIFIER_assert__cond~14) (<= 1 main_~__tmp_15~0) .cse2 .cse3))))
[2020-09-25 09:11:10,238 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed.
[2020-09-25 09:11:10,238 INFO L268 CegarLoopResult]: For program point L64(lines 64 283) no Hoare annotation was computed.
[2020-09-25 09:11:10,238 INFO L268 CegarLoopResult]: For program point mainErr7ASSERT_VIOLATIONERROR_FUNCTION(line 151) no Hoare annotation was computed.
[2020-09-25 09:11:10,238 INFO L268 CegarLoopResult]: For program point L213(lines 213 269) no Hoare annotation was computed.
[2020-09-25 09:11:10,238 INFO L268 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed.
[2020-09-25 09:11:10,239 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed.
[2020-09-25 09:11:10,239 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed.
[2020-09-25 09:11:10,239 INFO L268 CegarLoopResult]: For program point L15(line 15) no Hoare annotation was computed.
[2020-09-25 09:11:10,239 INFO L268 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed.
[2020-09-25 09:11:10,239 INFO L268 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed.
[2020-09-25 09:11:10,239 INFO L268 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed.
[2020-09-25 09:11:10,239 INFO L268 CegarLoopResult]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 74) no Hoare annotation was computed.
[2020-09-25 09:11:10,239 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed.
[2020-09-25 09:11:10,239 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed.
[2020-09-25 09:11:10,240 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed.
[2020-09-25 09:11:10,240 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed.
[2020-09-25 09:11:10,240 INFO L268 CegarLoopResult]: For program point L16(line 16) no Hoare annotation was computed.
[2020-09-25 09:11:10,240 INFO L268 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed.
[2020-09-25 09:11:10,240 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed.
[2020-09-25 09:11:10,240 INFO L268 CegarLoopResult]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 57) no Hoare annotation was computed.
[2020-09-25 09:11:10,240 INFO L268 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed.
[2020-09-25 09:11:10,240 INFO L268 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed.
[2020-09-25 09:11:10,240 INFO L268 CegarLoopResult]: For program point L149(lines 149 279) no Hoare annotation was computed.
[2020-09-25 09:11:10,241 INFO L268 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed.
[2020-09-25 09:11:10,241 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed.
[2020-09-25 09:11:10,241 INFO L268 CegarLoopResult]: For program point L17(line 17) no Hoare annotation was computed.
[2020-09-25 09:11:10,241 INFO L268 CegarLoopResult]: For program point L17-1(line 17) no Hoare annotation was computed.
[2020-09-25 09:11:10,241 INFO L268 CegarLoopResult]: For program point L17-2(line 17) no Hoare annotation was computed.
[2020-09-25 09:11:10,241 INFO L268 CegarLoopResult]: For program point L232(line 232) no Hoare annotation was computed.
[2020-09-25 09:11:10,241 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed.
[2020-09-25 09:11:10,241 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed.
[2020-09-25 09:11:10,241 INFO L268 CegarLoopResult]: For program point L34(lines 34 298) no Hoare annotation was computed.
[2020-09-25 09:11:10,242 INFO L268 CegarLoopResult]: For program point L249(line 249) no Hoare annotation was computed.
[2020-09-25 09:11:10,242 INFO L268 CegarLoopResult]: For program point L216(line 216) no Hoare annotation was computed.
[2020-09-25 09:11:10,242 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed.
[2020-09-25 09:11:10,242 INFO L268 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed.
[2020-09-25 09:11:10,242 INFO L268 CegarLoopResult]: For program point L84(lines 84 125) no Hoare annotation was computed.
[2020-09-25 09:11:10,242 INFO L268 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed.
[2020-09-25 09:11:10,242 INFO L268 CegarLoopResult]: For program point L18(lines 18 310) no Hoare annotation was computed.
[2020-09-25 09:11:10,242 INFO L268 CegarLoopResult]: For program point mainErr12ASSERT_VIOLATIONERROR_FUNCTION(line 215) no Hoare annotation was computed.
[2020-09-25 09:11:10,242 INFO L268 CegarLoopResult]: For program point L233(line 233) no Hoare annotation was computed.
[2020-09-25 09:11:10,243 INFO L268 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed.
[2020-09-25 09:11:10,243 INFO L268 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed.
[2020-09-25 09:11:10,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 09:11:10 BoogieIcfgContainer
[2020-09-25 09:11:10,286 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-25 09:11:10,289 INFO L168 Benchmark]: Toolchain (without parser) took 18370.40 ms. Allocated memory was 146.8 MB in the beginning and 377.0 MB in the end (delta: 230.2 MB). Free memory was 102.6 MB in the beginning and 128.5 MB in the end (delta: -25.9 MB). Peak memory consumption was 217.8 MB. Max. memory is 7.1 GB.
[2020-09-25 09:11:10,292 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 146.8 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-09-25 09:11:10,293 INFO L168 Benchmark]: CACSL2BoogieTranslator took 382.23 ms. Allocated memory is still 146.8 MB. Free memory was 101.9 MB in the beginning and 89.9 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB.
[2020-09-25 09:11:10,294 INFO L168 Benchmark]: Boogie Preprocessor took 127.13 ms. Allocated memory was 146.8 MB in the beginning and 202.4 MB in the end (delta: 55.6 MB). Free memory was 89.9 MB in the beginning and 179.6 MB in the end (delta: -89.8 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB.
[2020-09-25 09:11:10,295 INFO L168 Benchmark]: RCFGBuilder took 580.02 ms. Allocated memory is still 202.4 MB. Free memory was 179.6 MB in the beginning and 148.4 MB in the end (delta: 31.2 MB). Peak memory consumption was 31.2 MB. Max. memory is 7.1 GB.
[2020-09-25 09:11:10,296 INFO L168 Benchmark]: TraceAbstraction took 17268.99 ms. Allocated memory was 202.4 MB in the beginning and 377.0 MB in the end (delta: 174.6 MB). Free memory was 148.4 MB in the beginning and 128.5 MB in the end (delta: 20.0 MB). Peak memory consumption was 208.0 MB. Max. memory is 7.1 GB.
[2020-09-25 09:11:10,303 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.28 ms. Allocated memory is still 146.8 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 382.23 ms. Allocated memory is still 146.8 MB. Free memory was 101.9 MB in the beginning and 89.9 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 127.13 ms. Allocated memory was 146.8 MB in the beginning and 202.4 MB in the end (delta: 55.6 MB). Free memory was 89.9 MB in the beginning and 179.6 MB in the end (delta: -89.8 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 580.02 ms. Allocated memory is still 202.4 MB. Free memory was 179.6 MB in the beginning and 148.4 MB in the end (delta: 31.2 MB). Peak memory consumption was 31.2 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 17268.99 ms. Allocated memory was 202.4 MB in the beginning and 377.0 MB in the end (delta: 174.6 MB). Free memory was 148.4 MB in the beginning and 128.5 MB in the end (delta: 20.0 MB). Peak memory consumption was 208.0 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 45]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- PositiveResult [Line: 255]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- PositiveResult [Line: 151]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- PositiveResult [Line: 163]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- PositiveResult [Line: 227]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- PositiveResult [Line: 175]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- PositiveResult [Line: 191]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- PositiveResult [Line: 243]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- PositiveResult [Line: 215]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- PositiveResult [Line: 98]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- PositiveResult [Line: 203]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- PositiveResult [Line: 74]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- PositiveResult [Line: 139]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- PositiveResult [Line: 110]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- PositiveResult [Line: 86]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- PositiveResult [Line: 57]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- AllSpecificationsHoldResult: All specifications hold
16 specifications checked. All of them hold
- InvariantResult [Line: 29]: Loop Invariant
Derived loop invariant: ((((1 <= main__j && main__j + 4 <= main__bufsize) && (((((0 <= main__i && 0 <= main__j) && 1 <= main__i) && main__j + 4 <= main__bufsize) && \old(__return_334) == __return_334) || (((((0 <= main__i && 0 <= main__j) && 1 <= main__i) && 1 <= __tmp_13) && \old(__return_334) == __return_334) && 1 <= __VERIFIER_assert__cond))) && main__limit + 4 <= main__bufsize) || ((((0 <= main__i && 0 <= main__j) && main__i + 1 <= main__len) && \old(__return_334) == __return_334) && main__limit + 4 <= main__bufsize)) || ((((1 <= main__j && 1 <= __VERIFIER_assert__cond) && 1 <= __tmp_15) && (((((0 <= main__i && 0 <= main__j) && 1 <= main__i) && main__j + 4 <= main__bufsize) && \old(__return_334) == __return_334) || (((((0 <= main__i && 0 <= main__j) && 1 <= main__i) && 1 <= __tmp_13) && \old(__return_334) == __return_334) && 1 <= __VERIFIER_assert__cond))) && main__limit + 4 <= main__bufsize)
- InvariantResult [Line: 36]: Loop Invariant
Derived loop invariant: ((((0 <= main__i && 0 <= main__j) && main__i < main__len) && main__j + 5 <= main__bufsize) && \old(__return_334) == __return_334) && main__limit + 4 <= main__bufsize
- InvariantResult [Line: 23]: Loop Invariant
Derived loop invariant: (0 <= main__i && \old(__return_334) == __return_334) && main__limit + 4 <= main__bufsize
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 4 procedures, 183 locations, 16 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.6s, OverallIterations: 16, TraceHistogramMax: 1, AutomataDifference: 7.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3436 SDtfs, 8435 SDslu, 384 SDs, 0 SdLazy, 6016 SolverSat, 233 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 233 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 168 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=178occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 16 MinimizatonAttempts, 1615 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 36 NumberOfFragments, 173 HoareAnnotationTreeSize, 7 FomulaSimplifications, 1258113168 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 126636 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 5.9s InterpolantComputationTime, 922 NumberOfCodeBlocks, 922 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 906 ConstructedInterpolants, 0 QuantifiedInterpolants, 179646 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Received shutdown request...