/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/psyco/psyco_io_1.c


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


This is Ultimate 0.1.25-c90d42b
[2020-09-25 00:01:05,523 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-09-25 00:01:05,528 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 00:01:05,579 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 00:01:05,580 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 00:01:05,588 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 00:01:05,590 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 00:01:05,594 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 00:01:05,597 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 00:01:05,601 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 00:01:05,602 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 00:01:05,603 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 00:01:05,603 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 00:01:05,607 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 00:01:05,610 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 00:01:05,611 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 00:01:05,613 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 00:01:05,615 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 00:01:05,616 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 00:01:05,622 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 00:01:05,629 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 00:01:05,630 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 00:01:05,631 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 00:01:05,632 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 00:01:05,634 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 00:01:05,635 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 00:01:05,635 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 00:01:05,636 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 00:01:05,636 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 00:01:05,637 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 00:01:05,638 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 00:01:05,639 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 00:01:05,639 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 00:01:05,640 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 00:01:05,641 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 00:01:05,642 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 00:01:05,643 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 00:01:05,643 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 00:01:05,643 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 00:01:05,644 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 00:01:05,645 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 00:01:05,646 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-09-25 00:01:05,674 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-09-25 00:01:05,674 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 00:01:05,675 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 00:01:05,676 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-09-25 00:01:05,676 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-09-25 00:01:05,676 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 00:01:05,676 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-09-25 00:01:05,677 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-09-25 00:01:05,677 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-09-25 00:01:05,677 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-09-25 00:01:05,677 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 00:01:05,678 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 00:01:05,678 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 00:01:05,678 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-09-25 00:01:05,678 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-09-25 00:01:05,678 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-09-25 00:01:05,679 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-09-25 00:01:05,679 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 00:01:05,679 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-09-25 00:01:05,679 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-09-25 00:01:05,680 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-09-25 00:01:05,680 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 00:01:05,680 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 00:01:05,680 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 00:01:05,680 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 00:01:05,681 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-09-25 00:01:05,681 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 00:01:05,681 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 00:01:05,681 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-09-25 00:01:05,681 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;
[2020-09-25 00:01:06,127 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 00:01:06,149 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 00:01:06,156 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 00:01:06,159 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-09-25 00:01:06,160 INFO  L275        PluginConnector]: CDTParser initialized
[2020-09-25 00:01:06,161 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/psyco/psyco_io_1.c
[2020-09-25 00:01:06,232 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/182595dc3/12ae0d6fc6ca4d85b95fb6b44ebd8f8b/FLAG610bc4b13
[2020-09-25 00:01:06,866 INFO  L306              CDTParser]: Found 1 translation units.
[2020-09-25 00:01:06,867 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/psyco/psyco_io_1.c
[2020-09-25 00:01:06,888 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/182595dc3/12ae0d6fc6ca4d85b95fb6b44ebd8f8b/FLAG610bc4b13
[2020-09-25 00:01:07,173 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/182595dc3/12ae0d6fc6ca4d85b95fb6b44ebd8f8b
[2020-09-25 00:01:07,186 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 00:01:07,192 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 00:01:07,194 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 00:01:07,194 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 00:01:07,198 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 00:01:07,199 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:01:07" (1/1) ...
[2020-09-25 00:01:07,204 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@131dba71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:07, skipping insertion in model container
[2020-09-25 00:01:07,204 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:01:07" (1/1) ...
[2020-09-25 00:01:07,213 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-09-25 00:01:07,270 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-09-25 00:01:07,507 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 00:01:07,514 INFO  L203         MainTranslator]: Completed pre-run
[2020-09-25 00:01:07,555 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 00:01:07,653 INFO  L208         MainTranslator]: Completed translation
[2020-09-25 00:01:07,654 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:07 WrapperNode
[2020-09-25 00:01:07,654 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 00:01:07,655 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 00:01:07,655 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 00:01:07,656 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 00:01:07,671 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:07" (1/1) ...
[2020-09-25 00:01:07,671 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:07" (1/1) ...
[2020-09-25 00:01:07,679 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:07" (1/1) ...
[2020-09-25 00:01:07,680 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:07" (1/1) ...
[2020-09-25 00:01:07,689 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:07" (1/1) ...
[2020-09-25 00:01:07,700 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:07" (1/1) ...
[2020-09-25 00:01:07,702 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:07" (1/1) ...
[2020-09-25 00:01:07,708 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 00:01:07,709 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 00:01:07,709 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 00:01:07,709 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-09-25 00:01:07,710 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:07" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 00:01:07,792 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 00:01:07,792 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 00:01:07,792 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 00:01:07,793 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 00:01:07,793 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 00:01:07,793 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-09-25 00:01:07,793 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 00:01:07,794 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 00:01:08,449 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 00:01:08,450 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-09-25 00:01:08,457 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:01:08 BoogieIcfgContainer
[2020-09-25 00:01:08,458 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 00:01:08,460 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 00:01:08,460 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 00:01:08,464 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-09-25 00:01:08,464 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:01:07" (1/3) ...
[2020-09-25 00:01:08,466 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eb919db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:01:08, skipping insertion in model container
[2020-09-25 00:01:08,466 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:07" (2/3) ...
[2020-09-25 00:01:08,466 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eb919db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:01:08, skipping insertion in model container
[2020-09-25 00:01:08,467 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:01:08" (3/3) ...
[2020-09-25 00:01:08,469 INFO  L109   eAbstractionObserver]: Analyzing ICFG psyco_io_1.c
[2020-09-25 00:01:08,481 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 00:01:08,492 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 00:01:08,514 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 00:01:08,546 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-09-25 00:01:08,546 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-09-25 00:01:08,546 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 00:01:08,546 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 00:01:08,547 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 00:01:08,547 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-09-25 00:01:08,547 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 00:01:08,547 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 00:01:08,575 INFO  L276                IsEmpty]: Start isEmpty. Operand 201 states.
[2020-09-25 00:01:08,584 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2020-09-25 00:01:08,584 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 00:01:08,586 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 00:01:08,586 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 00:01:08,593 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 00:01:08,593 INFO  L82        PathProgramCache]: Analyzing trace with hash -1735850516, now seen corresponding path program 1 times
[2020-09-25 00:01:08,605 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 00:01:08,605 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1302745224]
[2020-09-25 00:01:08,606 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 00:01:08,739 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:01:08,775 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:01:08,848 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:01:08,848 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 42
[2020-09-25 00:01:08,849 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:01:08,849 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 102
[2020-09-25 00:01:08,858 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:01:08,858 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:01:08,858 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 40
[2020-09-25 00:01:08,859 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:01:08,859 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 9
[2020-09-25 00:01:08,970 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 00:01:08,975 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:01:08,979 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:01:08,994 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:01:08,994 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 14
[2020-09-25 00:01:08,994 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:01:08,995 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 17
[2020-09-25 00:01:08,995 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:01:08,995 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:01:08,995 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:01:08,996 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:01:08,996 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:01:09,012 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 00:01:09,013 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1302745224]
[2020-09-25 00:01:09,016 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 00:01:09,016 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 00:01:09,017 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170363522]
[2020-09-25 00:01:09,024 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 00:01:09,024 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 00:01:09,042 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 00:01:09,043 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 00:01:09,046 INFO  L87              Difference]: Start difference. First operand 201 states. Second operand 3 states.
[2020-09-25 00:01:09,142 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 00:01:09,142 INFO  L93              Difference]: Finished difference Result 368 states and 482 transitions.
[2020-09-25 00:01:09,143 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-09-25 00:01:09,144 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 35
[2020-09-25 00:01:09,145 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 00:01:09,165 INFO  L225             Difference]: With dead ends: 368
[2020-09-25 00:01:09,166 INFO  L226             Difference]: Without dead ends: 163
[2020-09-25 00:01:09,172 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 00:01:09,195 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 163 states.
[2020-09-25 00:01:09,232 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163.
[2020-09-25 00:01:09,233 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 163 states.
[2020-09-25 00:01:09,238 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 193 transitions.
[2020-09-25 00:01:09,240 INFO  L78                 Accepts]: Start accepts. Automaton has 163 states and 193 transitions. Word has length 35
[2020-09-25 00:01:09,241 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 00:01:09,241 INFO  L479      AbstractCegarLoop]: Abstraction has 163 states and 193 transitions.
[2020-09-25 00:01:09,241 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 00:01:09,241 INFO  L276                IsEmpty]: Start isEmpty. Operand 163 states and 193 transitions.
[2020-09-25 00:01:09,243 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 37
[2020-09-25 00:01:09,243 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 00:01:09,243 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]
[2020-09-25 00:01:09,244 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 00:01:09,244 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 00:01:09,245 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 00:01:09,245 INFO  L82        PathProgramCache]: Analyzing trace with hash -1081886035, now seen corresponding path program 1 times
[2020-09-25 00:01:09,245 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 00:01:09,246 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [342238636]
[2020-09-25 00:01:09,246 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 00:01:09,266 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:01:09,282 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:01:09,350 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:01:09,431 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:01:09,492 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:01:09,493 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 43
[2020-09-25 00:01:09,493 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 00:01:09,493 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 224
[2020-09-25 00:01:09,495 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:01:09,495 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 00:01:09,495 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 17
[2020-09-25 00:01:09,495 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 20
[2020-09-25 00:01:09,496 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 00:01:09,568 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 00:01:09,571 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:01:09,574 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:01:09,578 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:01:09,579 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 14
[2020-09-25 00:01:09,579 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:01:09,579 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 00:01:09,579 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:01:09,580 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:01:09,580 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:01:09,580 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:01:09,580 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:01:09,587 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 00:01:09,588 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [342238636]
[2020-09-25 00:01:09,588 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 00:01:09,588 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-25 00:01:09,588 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458186887]
[2020-09-25 00:01:09,590 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-25 00:01:09,591 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 00:01:09,591 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-25 00:01:09,591 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-09-25 00:01:09,592 INFO  L87              Difference]: Start difference. First operand 163 states and 193 transitions. Second operand 4 states.
[2020-09-25 00:01:10,006 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 00:01:10,006 INFO  L93              Difference]: Finished difference Result 330 states and 394 transitions.
[2020-09-25 00:01:10,006 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2020-09-25 00:01:10,007 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 36
[2020-09-25 00:01:10,007 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 00:01:10,009 INFO  L225             Difference]: With dead ends: 330
[2020-09-25 00:01:10,009 INFO  L226             Difference]: Without dead ends: 181
[2020-09-25 00:01:10,011 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-09-25 00:01:10,012 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 181 states.
[2020-09-25 00:01:10,026 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181.
[2020-09-25 00:01:10,026 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 181 states.
[2020-09-25 00:01:10,028 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 212 transitions.
[2020-09-25 00:01:10,029 INFO  L78                 Accepts]: Start accepts. Automaton has 181 states and 212 transitions. Word has length 36
[2020-09-25 00:01:10,029 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 00:01:10,029 INFO  L479      AbstractCegarLoop]: Abstraction has 181 states and 212 transitions.
[2020-09-25 00:01:10,029 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-25 00:01:10,030 INFO  L276                IsEmpty]: Start isEmpty. Operand 181 states and 212 transitions.
[2020-09-25 00:01:10,031 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 59
[2020-09-25 00:01:10,032 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 00:01:10,032 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 00:01:10,032 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 00:01:10,033 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 00:01:10,033 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 00:01:10,033 INFO  L82        PathProgramCache]: Analyzing trace with hash 989236732, now seen corresponding path program 1 times
[2020-09-25 00:01:10,033 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 00:01:10,034 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2044750495]
[2020-09-25 00:01:10,034 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 00:01:10,051 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:01:10,076 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:01:10,171 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:01:10,239 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:01:10,239 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 65
[2020-09-25 00:01:10,239 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 00:01:10,239 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 183
[2020-09-25 00:01:10,240 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:01:10,240 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 00:01:10,240 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 41
[2020-09-25 00:01:10,240 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 18
[2020-09-25 00:01:10,241 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:01:10,287 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 00:01:10,289 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:01:10,292 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:01:10,299 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:01:10,300 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 14
[2020-09-25 00:01:10,300 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:01:10,300 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 9
[2020-09-25 00:01:10,300 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:01:10,301 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:01:10,301 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:01:10,301 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:01:10,301 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:01:10,309 INFO  L134       CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 00:01:10,310 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2044750495]
[2020-09-25 00:01:10,310 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 00:01:10,310 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-25 00:01:10,311 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407654447]
[2020-09-25 00:01:10,311 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-25 00:01:10,311 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 00:01:10,312 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-25 00:01:10,312 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-09-25 00:01:10,312 INFO  L87              Difference]: Start difference. First operand 181 states and 212 transitions. Second operand 4 states.
[2020-09-25 00:01:10,439 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 00:01:10,439 INFO  L93              Difference]: Finished difference Result 330 states and 388 transitions.
[2020-09-25 00:01:10,440 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2020-09-25 00:01:10,440 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 58
[2020-09-25 00:01:10,441 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 00:01:10,442 INFO  L225             Difference]: With dead ends: 330
[2020-09-25 00:01:10,443 INFO  L226             Difference]: Without dead ends: 163
[2020-09-25 00:01:10,444 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-09-25 00:01:10,445 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 163 states.
[2020-09-25 00:01:10,456 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163.
[2020-09-25 00:01:10,457 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 163 states.
[2020-09-25 00:01:10,458 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 188 transitions.
[2020-09-25 00:01:10,459 INFO  L78                 Accepts]: Start accepts. Automaton has 163 states and 188 transitions. Word has length 58
[2020-09-25 00:01:10,459 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 00:01:10,460 INFO  L479      AbstractCegarLoop]: Abstraction has 163 states and 188 transitions.
[2020-09-25 00:01:10,460 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-25 00:01:10,460 INFO  L276                IsEmpty]: Start isEmpty. Operand 163 states and 188 transitions.
[2020-09-25 00:01:10,464 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 72
[2020-09-25 00:01:10,464 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 00:01:10,465 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 00:01:10,465 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 00:01:10,465 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 00:01:10,466 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 00:01:10,466 INFO  L82        PathProgramCache]: Analyzing trace with hash 1364131535, now seen corresponding path program 1 times
[2020-09-25 00:01:10,466 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 00:01:10,467 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [216447380]
[2020-09-25 00:01:10,467 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 00:01:10,484 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:01:10,500 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:01:10,564 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:01:10,565 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 78
[2020-09-25 00:01:10,565 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:01:10,565 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 79
[2020-09-25 00:01:10,566 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:01:10,566 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 00:01:10,566 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 42
[2020-09-25 00:01:10,567 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 35
[2020-09-25 00:01:10,567 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 00:01:10,619 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 00:01:10,622 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:01:10,624 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:01:10,633 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:01:10,634 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 14
[2020-09-25 00:01:10,634 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:01:10,634 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 10
[2020-09-25 00:01:10,635 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:01:10,635 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:01:10,636 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:01:10,636 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:01:10,636 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 00:01:10,660 INFO  L134       CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 00:01:10,661 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [216447380]
[2020-09-25 00:01:10,661 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 00:01:10,661 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-25 00:01:10,661 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361279212]
[2020-09-25 00:01:10,662 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-25 00:01:10,662 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 00:01:10,663 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-25 00:01:10,663 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-09-25 00:01:10,663 INFO  L87              Difference]: Start difference. First operand 163 states and 188 transitions. Second operand 4 states.
[2020-09-25 00:01:10,975 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 00:01:10,976 INFO  L93              Difference]: Finished difference Result 383 states and 454 transitions.
[2020-09-25 00:01:10,976 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2020-09-25 00:01:10,976 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 71
[2020-09-25 00:01:10,977 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 00:01:10,979 INFO  L225             Difference]: With dead ends: 383
[2020-09-25 00:01:10,979 INFO  L226             Difference]: Without dead ends: 258
[2020-09-25 00:01:10,980 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-09-25 00:01:10,981 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 258 states.
[2020-09-25 00:01:10,993 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 252.
[2020-09-25 00:01:10,993 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 252 states.
[2020-09-25 00:01:10,995 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 294 transitions.
[2020-09-25 00:01:10,995 INFO  L78                 Accepts]: Start accepts. Automaton has 252 states and 294 transitions. Word has length 71
[2020-09-25 00:01:10,996 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 00:01:10,996 INFO  L479      AbstractCegarLoop]: Abstraction has 252 states and 294 transitions.
[2020-09-25 00:01:10,996 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-25 00:01:10,996 INFO  L276                IsEmpty]: Start isEmpty. Operand 252 states and 294 transitions.
[2020-09-25 00:01:10,998 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 73
[2020-09-25 00:01:10,998 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 00:01:10,998 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 00:01:10,998 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-25 00:01:10,999 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 00:01:10,999 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 00:01:10,999 INFO  L82        PathProgramCache]: Analyzing trace with hash -2059109809, now seen corresponding path program 1 times
[2020-09-25 00:01:10,999 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 00:01:11,000 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1057220122]
[2020-09-25 00:01:11,000 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 00:01:11,018 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:01:11,033 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:01:11,054 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:01:11,175 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:01:11,176 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 79
[2020-09-25 00:01:11,176 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 00:01:11,176 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 155
[2020-09-25 00:01:11,176 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:01:11,177 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 00:01:11,177 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 41
[2020-09-25 00:01:11,177 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 19
[2020-09-25 00:01:11,177 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:01:11,221 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 00:01:11,223 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:01:11,225 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:01:11,232 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:01:11,233 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 14
[2020-09-25 00:01:11,233 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:01:11,233 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 00:01:11,234 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:01:11,234 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:01:11,234 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:01:11,234 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:01:11,234 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:01:11,243 INFO  L134       CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 00:01:11,243 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1057220122]
[2020-09-25 00:01:11,243 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 00:01:11,244 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-25 00:01:11,244 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29657749]
[2020-09-25 00:01:11,244 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-25 00:01:11,245 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 00:01:11,245 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-25 00:01:11,245 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-09-25 00:01:11,245 INFO  L87              Difference]: Start difference. First operand 252 states and 294 transitions. Second operand 4 states.
[2020-09-25 00:01:11,471 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 00:01:11,471 INFO  L93              Difference]: Finished difference Result 497 states and 580 transitions.
[2020-09-25 00:01:11,471 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2020-09-25 00:01:11,472 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 72
[2020-09-25 00:01:11,472 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 00:01:11,474 INFO  L225             Difference]: With dead ends: 497
[2020-09-25 00:01:11,474 INFO  L226             Difference]: Without dead ends: 286
[2020-09-25 00:01:11,475 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-09-25 00:01:11,476 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 286 states.
[2020-09-25 00:01:11,485 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 284.
[2020-09-25 00:01:11,485 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 284 states.
[2020-09-25 00:01:11,487 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 326 transitions.
[2020-09-25 00:01:11,487 INFO  L78                 Accepts]: Start accepts. Automaton has 284 states and 326 transitions. Word has length 72
[2020-09-25 00:01:11,487 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 00:01:11,488 INFO  L479      AbstractCegarLoop]: Abstraction has 284 states and 326 transitions.
[2020-09-25 00:01:11,488 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-25 00:01:11,488 INFO  L276                IsEmpty]: Start isEmpty. Operand 284 states and 326 transitions.
[2020-09-25 00:01:11,490 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 112
[2020-09-25 00:01:11,490 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 00:01:11,491 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 00:01:11,491 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-09-25 00:01:11,491 INFO  L427      AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 00:01:11,492 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 00:01:11,492 INFO  L82        PathProgramCache]: Analyzing trace with hash 1063922455, now seen corresponding path program 1 times
[2020-09-25 00:01:11,492 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 00:01:11,492 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1814582286]
[2020-09-25 00:01:11,493 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 00:01:11,535 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:01:11,553 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:01:11,635 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:01:11,636 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 118
[2020-09-25 00:01:11,636 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:01:11,636 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 99
[2020-09-25 00:01:11,637 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:01:11,637 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 00:01:11,637 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 81
[2020-09-25 00:01:11,637 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 19
[2020-09-25 00:01:11,637 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:01:11,690 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 00:01:11,692 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:01:11,694 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:01:11,700 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:01:11,701 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 14
[2020-09-25 00:01:11,701 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:01:11,701 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 00:01:11,701 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:01:11,702 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:01:11,702 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:01:11,702 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:01:11,702 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:01:11,714 INFO  L134       CoverageAnalysis]: Checked inductivity of 58 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.
[2020-09-25 00:01:11,715 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1814582286]
[2020-09-25 00:01:11,715 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 00:01:11,715 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-25 00:01:11,716 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451880917]
[2020-09-25 00:01:11,716 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-25 00:01:11,717 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 00:01:11,717 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-25 00:01:11,717 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-09-25 00:01:11,717 INFO  L87              Difference]: Start difference. First operand 284 states and 326 transitions. Second operand 4 states.
[2020-09-25 00:01:11,916 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 00:01:11,916 INFO  L93              Difference]: Finished difference Result 463 states and 534 transitions.
[2020-09-25 00:01:11,917 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2020-09-25 00:01:11,917 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 111
[2020-09-25 00:01:11,918 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 00:01:11,919 INFO  L225             Difference]: With dead ends: 463
[2020-09-25 00:01:11,923 INFO  L226             Difference]: Without dead ends: 220
[2020-09-25 00:01:11,925 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-09-25 00:01:11,926 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 220 states.
[2020-09-25 00:01:11,931 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 220.
[2020-09-25 00:01:11,932 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 220 states.
[2020-09-25 00:01:11,933 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 249 transitions.
[2020-09-25 00:01:11,933 INFO  L78                 Accepts]: Start accepts. Automaton has 220 states and 249 transitions. Word has length 111
[2020-09-25 00:01:11,934 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 00:01:11,934 INFO  L479      AbstractCegarLoop]: Abstraction has 220 states and 249 transitions.
[2020-09-25 00:01:11,934 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-25 00:01:11,934 INFO  L276                IsEmpty]: Start isEmpty. Operand 220 states and 249 transitions.
[2020-09-25 00:01:11,935 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 113
[2020-09-25 00:01:11,936 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 00:01:11,936 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 00:01:11,936 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-09-25 00:01:11,936 INFO  L427      AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 00:01:11,937 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 00:01:11,937 INFO  L82        PathProgramCache]: Analyzing trace with hash 1519310599, now seen corresponding path program 1 times
[2020-09-25 00:01:11,937 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 00:01:11,937 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1446656485]
[2020-09-25 00:01:11,938 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 00:01:11,958 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:01:11,983 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:01:12,102 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:01:12,103 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 119
[2020-09-25 00:01:12,103 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:01:12,103 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 143
[2020-09-25 00:01:12,103 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:01:12,104 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 3
[2020-09-25 00:01:12,104 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 78
[2020-09-25 00:01:12,104 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 40
[2020-09-25 00:01:12,104 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:01:12,173 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 00:01:12,174 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:01:12,177 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:01:12,183 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:01:12,183 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 14
[2020-09-25 00:01:12,184 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:01:12,184 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 00:01:12,184 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:01:12,184 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:01:12,185 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:01:12,185 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:01:12,185 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:01:12,208 INFO  L134       CoverageAnalysis]: Checked inductivity of 44 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.
[2020-09-25 00:01:12,208 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1446656485]
[2020-09-25 00:01:12,208 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 00:01:12,209 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-25 00:01:12,209 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457078110]
[2020-09-25 00:01:12,209 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-25 00:01:12,210 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 00:01:12,210 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-25 00:01:12,210 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-09-25 00:01:12,210 INFO  L87              Difference]: Start difference. First operand 220 states and 249 transitions. Second operand 5 states.
[2020-09-25 00:01:12,663 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 00:01:12,663 INFO  L93              Difference]: Finished difference Result 228 states and 257 transitions.
[2020-09-25 00:01:12,663 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2020-09-25 00:01:12,664 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 112
[2020-09-25 00:01:12,664 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 00:01:12,664 INFO  L225             Difference]: With dead ends: 228
[2020-09-25 00:01:12,665 INFO  L226             Difference]: Without dead ends: 0
[2020-09-25 00:01:12,666 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2020-09-25 00:01:12,666 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-09-25 00:01:12,666 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-09-25 00:01:12,666 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-09-25 00:01:12,666 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-09-25 00:01:12,668 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 112
[2020-09-25 00:01:12,668 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 00:01:12,668 INFO  L479      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-09-25 00:01:12,669 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-25 00:01:12,669 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-09-25 00:01:12,669 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-09-25 00:01:12,669 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2020-09-25 00:01:12,672 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-09-25 00:01:12,927 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initFINAL(line -1)  no Hoare annotation was computed.
[2020-09-25 00:01:12,928 INFO  L268        CegarLoopResult]: For program point  L10(line 10)  no Hoare annotation was computed.
[2020-09-25 00:01:12,928 INFO  L264        CegarLoopResult]: At program point  ULTIMATE.initENTRY(line -1)  the Hoare annotation is:  (and (= ~m_connect_2~0 |old(~m_connect_2~0)|) (= ~m_connect_1~0 |old(~m_connect_1~0)|) (= ~m_flush~0 |old(~m_flush~0)|) (= ~m_PipedOutputStream~0 |old(~m_PipedOutputStream~0)|) (= ~m_write~0 |old(~m_write~0)|) (= ~m_close~0 |old(~m_close~0)|))
[2020-09-25 00:01:12,929 INFO  L268        CegarLoopResult]: For program point  L9(line 9)  no Hoare annotation was computed.
[2020-09-25 00:01:12,929 INFO  L268        CegarLoopResult]: For program point  L8(line 8)  no Hoare annotation was computed.
[2020-09-25 00:01:12,929 INFO  L268        CegarLoopResult]: For program point  L7(line 7)  no Hoare annotation was computed.
[2020-09-25 00:01:12,930 INFO  L268        CegarLoopResult]: For program point  L6(line 6)  no Hoare annotation was computed.
[2020-09-25 00:01:12,930 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initEXIT(line -1)  no Hoare annotation was computed.
[2020-09-25 00:01:12,930 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2020-09-25 00:01:12,930 INFO  L271        CegarLoopResult]: At program point  L-1(line -1)  the Hoare annotation is:  true
[2020-09-25 00:01:12,930 INFO  L271        CegarLoopResult]: At program point  ULTIMATE.startENTRY(line -1)  the Hoare annotation is:  true
[2020-09-25 00:01:12,930 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2020-09-25 00:01:12,932 INFO  L268        CegarLoopResult]: For program point  L250(line 250)  no Hoare annotation was computed.
[2020-09-25 00:01:12,933 INFO  L268        CegarLoopResult]: For program point  L250-1(line 250)  no Hoare annotation was computed.
[2020-09-25 00:01:12,933 INFO  L268        CegarLoopResult]: For program point  mainEXIT(lines 13 344)  no Hoare annotation was computed.
[2020-09-25 00:01:12,933 INFO  L268        CegarLoopResult]: For program point  L118(line 118)  no Hoare annotation was computed.
[2020-09-25 00:01:12,933 INFO  L268        CegarLoopResult]: For program point  L118-1(line 118)  no Hoare annotation was computed.
[2020-09-25 00:01:12,933 INFO  L268        CegarLoopResult]: For program point  L19(line 19)  no Hoare annotation was computed.
[2020-09-25 00:01:12,933 INFO  L268        CegarLoopResult]: For program point  L234(line 234)  no Hoare annotation was computed.
[2020-09-25 00:01:12,934 INFO  L268        CegarLoopResult]: For program point  L234-1(line 234)  no Hoare annotation was computed.
[2020-09-25 00:01:12,934 INFO  L268        CegarLoopResult]: For program point  L36(lines 36 47)  no Hoare annotation was computed.
[2020-09-25 00:01:12,934 INFO  L268        CegarLoopResult]: For program point  L86(line 86)  no Hoare annotation was computed.
[2020-09-25 00:01:12,934 INFO  L268        CegarLoopResult]: For program point  L53(lines 53 104)  no Hoare annotation was computed.
[2020-09-25 00:01:12,934 INFO  L268        CegarLoopResult]: For program point  L86-1(lines 86 101)  no Hoare annotation was computed.
[2020-09-25 00:01:12,934 INFO  L268        CegarLoopResult]: For program point  L20(line 20)  no Hoare annotation was computed.
[2020-09-25 00:01:12,935 INFO  L268        CegarLoopResult]: For program point  L86-2(line 86)  no Hoare annotation was computed.
[2020-09-25 00:01:12,938 INFO  L268        CegarLoopResult]: For program point  L86-3(line 86)  no Hoare annotation was computed.
[2020-09-25 00:01:12,939 INFO  L268        CegarLoopResult]: For program point  L202(line 202)  no Hoare annotation was computed.
[2020-09-25 00:01:12,939 INFO  L268        CegarLoopResult]: For program point  L202-1(lines 202 217)  no Hoare annotation was computed.
[2020-09-25 00:01:12,939 INFO  L268        CegarLoopResult]: For program point  L202-2(line 202)  no Hoare annotation was computed.
[2020-09-25 00:01:12,939 INFO  L268        CegarLoopResult]: For program point  L202-3(line 202)  no Hoare annotation was computed.
[2020-09-25 00:01:12,939 INFO  L268        CegarLoopResult]: For program point  L70(line 70)  no Hoare annotation was computed.
[2020-09-25 00:01:12,939 INFO  L268        CegarLoopResult]: For program point  L70-1(lines 70 85)  no Hoare annotation was computed.
[2020-09-25 00:01:12,939 INFO  L268        CegarLoopResult]: For program point  L70-2(line 70)  no Hoare annotation was computed.
[2020-09-25 00:01:12,940 INFO  L268        CegarLoopResult]: For program point  L70-3(line 70)  no Hoare annotation was computed.
[2020-09-25 00:01:12,940 INFO  L268        CegarLoopResult]: For program point  L318(line 318)  no Hoare annotation was computed.
[2020-09-25 00:01:12,940 INFO  L268        CegarLoopResult]: For program point  L318-1(lines 318 333)  no Hoare annotation was computed.
[2020-09-25 00:01:12,940 INFO  L268        CegarLoopResult]: For program point  L318-2(line 318)  no Hoare annotation was computed.
[2020-09-25 00:01:12,940 INFO  L268        CegarLoopResult]: For program point  L318-3(line 318)  no Hoare annotation was computed.
[2020-09-25 00:01:12,940 INFO  L268        CegarLoopResult]: For program point  L186(line 186)  no Hoare annotation was computed.
[2020-09-25 00:01:12,940 INFO  L268        CegarLoopResult]: For program point  L186-1(lines 186 201)  no Hoare annotation was computed.
[2020-09-25 00:01:12,941 INFO  L268        CegarLoopResult]: For program point  L186-2(line 186)  no Hoare annotation was computed.
[2020-09-25 00:01:12,941 INFO  L268        CegarLoopResult]: For program point  L186-3(line 186)  no Hoare annotation was computed.
[2020-09-25 00:01:12,941 INFO  L268        CegarLoopResult]: For program point  L54(line 54)  no Hoare annotation was computed.
[2020-09-25 00:01:12,941 INFO  L268        CegarLoopResult]: For program point  L54-1(lines 54 69)  no Hoare annotation was computed.
[2020-09-25 00:01:12,941 INFO  L268        CegarLoopResult]: For program point  L54-2(line 54)  no Hoare annotation was computed.
[2020-09-25 00:01:12,941 INFO  L268        CegarLoopResult]: For program point  L54-3(line 54)  no Hoare annotation was computed.
[2020-09-25 00:01:12,942 INFO  L264        CegarLoopResult]: At program point  L335(lines 23 339)  the Hoare annotation is:  (let ((.cse0 (= main_~this_sink~0 0))) (or (and .cse0 (= main_~q~0 2)) (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) (and (<= main_~q~0 0) .cse0)))
[2020-09-25 00:01:12,942 INFO  L268        CegarLoopResult]: For program point  L302(line 302)  no Hoare annotation was computed.
[2020-09-25 00:01:12,942 INFO  L268        CegarLoopResult]: For program point  L302-1(lines 302 317)  no Hoare annotation was computed.
[2020-09-25 00:01:12,942 INFO  L268        CegarLoopResult]: For program point  mainFINAL(lines 13 344)  no Hoare annotation was computed.
[2020-09-25 00:01:12,942 INFO  L268        CegarLoopResult]: For program point  L302-2(line 302)  no Hoare annotation was computed.
[2020-09-25 00:01:12,942 INFO  L268        CegarLoopResult]: For program point  L302-3(line 302)  no Hoare annotation was computed.
[2020-09-25 00:01:12,946 INFO  L268        CegarLoopResult]: For program point  L170(line 170)  no Hoare annotation was computed.
[2020-09-25 00:01:12,947 INFO  L268        CegarLoopResult]: For program point  L170-1(lines 170 185)  no Hoare annotation was computed.
[2020-09-25 00:01:12,948 INFO  L268        CegarLoopResult]: For program point  L170-2(line 170)  no Hoare annotation was computed.
[2020-09-25 00:01:12,949 INFO  L268        CegarLoopResult]: For program point  L170-3(line 170)  no Hoare annotation was computed.
[2020-09-25 00:01:12,949 INFO  L268        CegarLoopResult]: For program point  L286(line 286)  no Hoare annotation was computed.
[2020-09-25 00:01:12,949 INFO  L268        CegarLoopResult]: For program point  L286-1(lines 286 301)  no Hoare annotation was computed.
[2020-09-25 00:01:12,949 INFO  L268        CegarLoopResult]: For program point  L286-2(line 286)  no Hoare annotation was computed.
[2020-09-25 00:01:12,949 INFO  L268        CegarLoopResult]: For program point  L286-3(line 286)  no Hoare annotation was computed.
[2020-09-25 00:01:12,950 INFO  L268        CegarLoopResult]: For program point  L154(line 154)  no Hoare annotation was computed.
[2020-09-25 00:01:12,950 INFO  L268        CegarLoopResult]: For program point  L154-1(lines 154 169)  no Hoare annotation was computed.
[2020-09-25 00:01:12,950 INFO  L268        CegarLoopResult]: For program point  L88(lines 88 99)  no Hoare annotation was computed.
[2020-09-25 00:01:12,950 INFO  L268        CegarLoopResult]: For program point  L154-2(line 154)  no Hoare annotation was computed.
[2020-09-25 00:01:12,952 INFO  L268        CegarLoopResult]: For program point  L154-3(line 154)  no Hoare annotation was computed.
[2020-09-25 00:01:12,952 INFO  L268        CegarLoopResult]: For program point  L270(line 270)  no Hoare annotation was computed.
[2020-09-25 00:01:12,952 INFO  L268        CegarLoopResult]: For program point  L270-1(lines 270 285)  no Hoare annotation was computed.
[2020-09-25 00:01:12,959 INFO  L268        CegarLoopResult]: For program point  L204(lines 204 215)  no Hoare annotation was computed.
[2020-09-25 00:01:12,959 INFO  L268        CegarLoopResult]: For program point  L270-2(line 270)  no Hoare annotation was computed.
[2020-09-25 00:01:12,960 INFO  L268        CegarLoopResult]: For program point  L270-3(line 270)  no Hoare annotation was computed.
[2020-09-25 00:01:12,960 INFO  L268        CegarLoopResult]: For program point  L138(line 138)  no Hoare annotation was computed.
[2020-09-25 00:01:12,960 INFO  L268        CegarLoopResult]: For program point  L105(lines 105 220)  no Hoare annotation was computed.
[2020-09-25 00:01:12,960 INFO  L268        CegarLoopResult]: For program point  L138-1(lines 138 153)  no Hoare annotation was computed.
[2020-09-25 00:01:12,960 INFO  L268        CegarLoopResult]: For program point  L72(lines 72 83)  no Hoare annotation was computed.
[2020-09-25 00:01:12,961 INFO  L268        CegarLoopResult]: For program point  L138-2(line 138)  no Hoare annotation was computed.
[2020-09-25 00:01:12,961 INFO  L268        CegarLoopResult]: For program point  L138-3(line 138)  no Hoare annotation was computed.
[2020-09-25 00:01:12,961 INFO  L268        CegarLoopResult]: For program point  L320(lines 320 331)  no Hoare annotation was computed.
[2020-09-25 00:01:12,961 INFO  L268        CegarLoopResult]: For program point  L254(line 254)  no Hoare annotation was computed.
[2020-09-25 00:01:12,961 INFO  L268        CegarLoopResult]: For program point  L221(lines 221 336)  no Hoare annotation was computed.
[2020-09-25 00:01:12,964 INFO  L268        CegarLoopResult]: For program point  L254-1(lines 254 269)  no Hoare annotation was computed.
[2020-09-25 00:01:12,966 INFO  L268        CegarLoopResult]: For program point  L188(lines 188 199)  no Hoare annotation was computed.
[2020-09-25 00:01:12,966 INFO  L268        CegarLoopResult]: For program point  L254-2(line 254)  no Hoare annotation was computed.
[2020-09-25 00:01:12,967 INFO  L268        CegarLoopResult]: For program point  L254-3(line 254)  no Hoare annotation was computed.
[2020-09-25 00:01:12,967 INFO  L268        CegarLoopResult]: For program point  L122(line 122)  no Hoare annotation was computed.
[2020-09-25 00:01:12,967 INFO  L268        CegarLoopResult]: For program point  L122-1(lines 122 137)  no Hoare annotation was computed.
[2020-09-25 00:01:12,967 INFO  L268        CegarLoopResult]: For program point  L56(lines 56 67)  no Hoare annotation was computed.
[2020-09-25 00:01:12,968 INFO  L268        CegarLoopResult]: For program point  L122-2(line 122)  no Hoare annotation was computed.
[2020-09-25 00:01:12,968 INFO  L268        CegarLoopResult]: For program point  L122-3(line 122)  no Hoare annotation was computed.
[2020-09-25 00:01:12,968 INFO  L264        CegarLoopResult]: At program point  L23-2(lines 23 339)  the Hoare annotation is:  (or (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) (and (<= main_~q~0 0) (= main_~this_sink~0 0)))
[2020-09-25 00:01:12,968 INFO  L268        CegarLoopResult]: For program point  L23-3(lines 23 339)  no Hoare annotation was computed.
[2020-09-25 00:01:12,972 INFO  L268        CegarLoopResult]: For program point  L304(lines 304 315)  no Hoare annotation was computed.
[2020-09-25 00:01:12,972 INFO  L268        CegarLoopResult]: For program point  L238(line 238)  no Hoare annotation was computed.
[2020-09-25 00:01:12,972 INFO  L268        CegarLoopResult]: For program point  L238-1(lines 238 253)  no Hoare annotation was computed.
[2020-09-25 00:01:12,972 INFO  L268        CegarLoopResult]: For program point  L172(lines 172 183)  no Hoare annotation was computed.
[2020-09-25 00:01:12,973 INFO  L268        CegarLoopResult]: For program point  L238-2(line 238)  no Hoare annotation was computed.
[2020-09-25 00:01:12,973 INFO  L268        CegarLoopResult]: For program point  L238-3(line 238)  no Hoare annotation was computed.
[2020-09-25 00:01:12,973 INFO  L268        CegarLoopResult]: For program point  L106(line 106)  no Hoare annotation was computed.
[2020-09-25 00:01:12,973 INFO  L268        CegarLoopResult]: For program point  L106-1(lines 106 121)  no Hoare annotation was computed.
[2020-09-25 00:01:12,974 INFO  L268        CegarLoopResult]: For program point  L40(lines 40 42)  no Hoare annotation was computed.
[2020-09-25 00:01:12,974 INFO  L268        CegarLoopResult]: For program point  L106-2(line 106)  no Hoare annotation was computed.
[2020-09-25 00:01:12,974 INFO  L268        CegarLoopResult]: For program point  L106-3(line 106)  no Hoare annotation was computed.
[2020-09-25 00:01:12,974 INFO  L268        CegarLoopResult]: For program point  L288(lines 288 299)  no Hoare annotation was computed.
[2020-09-25 00:01:12,974 INFO  L268        CegarLoopResult]: For program point  L222(line 222)  no Hoare annotation was computed.
[2020-09-25 00:01:12,978 INFO  L268        CegarLoopResult]: For program point  L222-1(lines 222 237)  no Hoare annotation was computed.
[2020-09-25 00:01:12,978 INFO  L268        CegarLoopResult]: For program point  L156(lines 156 167)  no Hoare annotation was computed.
[2020-09-25 00:01:12,978 INFO  L268        CegarLoopResult]: For program point  L222-2(line 222)  no Hoare annotation was computed.
[2020-09-25 00:01:12,979 INFO  L268        CegarLoopResult]: For program point  L222-3(line 222)  no Hoare annotation was computed.
[2020-09-25 00:01:12,979 INFO  L268        CegarLoopResult]: For program point  L90(line 90)  no Hoare annotation was computed.
[2020-09-25 00:01:12,979 INFO  L268        CegarLoopResult]: For program point  L272(lines 272 283)  no Hoare annotation was computed.
[2020-09-25 00:01:12,979 INFO  L268        CegarLoopResult]: For program point  L206(line 206)  no Hoare annotation was computed.
[2020-09-25 00:01:12,979 INFO  L268        CegarLoopResult]: For program point  L140(lines 140 151)  no Hoare annotation was computed.
[2020-09-25 00:01:12,980 INFO  L268        CegarLoopResult]: For program point  L74(line 74)  no Hoare annotation was computed.
[2020-09-25 00:01:12,980 INFO  L268        CegarLoopResult]: For program point  L322(line 322)  no Hoare annotation was computed.
[2020-09-25 00:01:12,980 INFO  L268        CegarLoopResult]: For program point  L256(lines 256 267)  no Hoare annotation was computed.
[2020-09-25 00:01:12,980 INFO  L268        CegarLoopResult]: For program point  L190(line 190)  no Hoare annotation was computed.
[2020-09-25 00:01:12,980 INFO  L268        CegarLoopResult]: For program point  L124(lines 124 135)  no Hoare annotation was computed.
[2020-09-25 00:01:12,981 INFO  L268        CegarLoopResult]: For program point  L306(line 306)  no Hoare annotation was computed.
[2020-09-25 00:01:12,981 INFO  L268        CegarLoopResult]: For program point  L240(lines 240 251)  no Hoare annotation was computed.
[2020-09-25 00:01:12,981 INFO  L268        CegarLoopResult]: For program point  L108(lines 108 119)  no Hoare annotation was computed.
[2020-09-25 00:01:12,981 INFO  L268        CegarLoopResult]: For program point  L224(lines 224 235)  no Hoare annotation was computed.
[2020-09-25 00:01:12,982 INFO  L268        CegarLoopResult]: For program point  L158(line 158)  no Hoare annotation was computed.
[2020-09-25 00:01:12,982 INFO  L268        CegarLoopResult]: For program point  L92(lines 92 94)  no Hoare annotation was computed.
[2020-09-25 00:01:12,982 INFO  L268        CegarLoopResult]: For program point  L26(line 26)  no Hoare annotation was computed.
[2020-09-25 00:01:12,982 INFO  L268        CegarLoopResult]: For program point  L26-1(line 26)  no Hoare annotation was computed.
[2020-09-25 00:01:12,982 INFO  L268        CegarLoopResult]: For program point  L26-2(line 26)  no Hoare annotation was computed.
[2020-09-25 00:01:12,984 INFO  L268        CegarLoopResult]: For program point  L274(line 274)  no Hoare annotation was computed.
[2020-09-25 00:01:12,984 INFO  L268        CegarLoopResult]: For program point  L208(lines 208 210)  no Hoare annotation was computed.
[2020-09-25 00:01:12,984 INFO  L268        CegarLoopResult]: For program point  L142(line 142)  no Hoare annotation was computed.
[2020-09-25 00:01:12,984 INFO  L268        CegarLoopResult]: For program point  L76(lines 76 78)  no Hoare annotation was computed.
[2020-09-25 00:01:12,985 INFO  L268        CegarLoopResult]: For program point  L324(lines 324 326)  no Hoare annotation was computed.
[2020-09-25 00:01:12,985 INFO  L268        CegarLoopResult]: For program point  L258(line 258)  no Hoare annotation was computed.
[2020-09-25 00:01:12,985 INFO  L268        CegarLoopResult]: For program point  L192(lines 192 194)  no Hoare annotation was computed.
[2020-09-25 00:01:12,985 INFO  L268        CegarLoopResult]: For program point  L126(line 126)  no Hoare annotation was computed.
[2020-09-25 00:01:12,985 INFO  L268        CegarLoopResult]: For program point  L60(lines 60 62)  no Hoare annotation was computed.
[2020-09-25 00:01:12,987 INFO  L268        CegarLoopResult]: For program point  L27(line 27)  no Hoare annotation was computed.
[2020-09-25 00:01:12,987 INFO  L268        CegarLoopResult]: For program point  L27-1(line 27)  no Hoare annotation was computed.
[2020-09-25 00:01:12,987 INFO  L268        CegarLoopResult]: For program point  L27-2(line 27)  no Hoare annotation was computed.
[2020-09-25 00:01:12,987 INFO  L268        CegarLoopResult]: For program point  L308(lines 308 310)  no Hoare annotation was computed.
[2020-09-25 00:01:12,988 INFO  L268        CegarLoopResult]: For program point  L242(line 242)  no Hoare annotation was computed.
[2020-09-25 00:01:12,988 INFO  L268        CegarLoopResult]: For program point  L176(lines 176 178)  no Hoare annotation was computed.
[2020-09-25 00:01:12,989 INFO  L268        CegarLoopResult]: For program point  L110(line 110)  no Hoare annotation was computed.
[2020-09-25 00:01:12,989 INFO  L268        CegarLoopResult]: For program point  L44(line 44)  no Hoare annotation was computed.
[2020-09-25 00:01:12,989 INFO  L264        CegarLoopResult]: At program point  L325(lines 13 344)  the Hoare annotation is:  false
[2020-09-25 00:01:12,989 INFO  L268        CegarLoopResult]: For program point  L292(lines 292 294)  no Hoare annotation was computed.
[2020-09-25 00:01:12,990 INFO  L268        CegarLoopResult]: For program point  L226(line 226)  no Hoare annotation was computed.
[2020-09-25 00:01:12,990 INFO  L268        CegarLoopResult]: For program point  L160(lines 160 162)  no Hoare annotation was computed.
[2020-09-25 00:01:12,990 INFO  L268        CegarLoopResult]: For program point  L28(line 28)  no Hoare annotation was computed.
[2020-09-25 00:01:12,990 INFO  L268        CegarLoopResult]: For program point  L28-1(line 28)  no Hoare annotation was computed.
[2020-09-25 00:01:12,991 INFO  L268        CegarLoopResult]: For program point  L28-2(line 28)  no Hoare annotation was computed.
[2020-09-25 00:01:12,991 INFO  L268        CegarLoopResult]: For program point  L276(lines 276 278)  no Hoare annotation was computed.
[2020-09-25 00:01:12,991 INFO  L268        CegarLoopResult]: For program point  L144(lines 144 146)  no Hoare annotation was computed.
[2020-09-25 00:01:12,991 INFO  L268        CegarLoopResult]: For program point  L260(lines 260 262)  no Hoare annotation was computed.
[2020-09-25 00:01:12,991 INFO  L268        CegarLoopResult]: For program point  L128(lines 128 130)  no Hoare annotation was computed.
[2020-09-25 00:01:12,992 INFO  L268        CegarLoopResult]: For program point  L29(line 29)  no Hoare annotation was computed.
[2020-09-25 00:01:12,992 INFO  L268        CegarLoopResult]: For program point  L29-1(line 29)  no Hoare annotation was computed.
[2020-09-25 00:01:12,992 INFO  L268        CegarLoopResult]: For program point  L29-2(line 29)  no Hoare annotation was computed.
[2020-09-25 00:01:12,992 INFO  L268        CegarLoopResult]: For program point  L244(lines 244 246)  no Hoare annotation was computed.
[2020-09-25 00:01:12,992 INFO  L268        CegarLoopResult]: For program point  L112(lines 112 114)  no Hoare annotation was computed.
[2020-09-25 00:01:12,993 INFO  L268        CegarLoopResult]: For program point  L46(line 46)  no Hoare annotation was computed.
[2020-09-25 00:01:12,993 INFO  L268        CegarLoopResult]: For program point  L46-1(line 46)  no Hoare annotation was computed.
[2020-09-25 00:01:12,993 INFO  L268        CegarLoopResult]: For program point  L228(lines 228 230)  no Hoare annotation was computed.
[2020-09-25 00:01:12,993 INFO  L268        CegarLoopResult]: For program point  L96(line 96)  no Hoare annotation was computed.
[2020-09-25 00:01:12,994 INFO  L268        CegarLoopResult]: For program point  mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 343)  no Hoare annotation was computed.
[2020-09-25 00:01:12,994 INFO  L271        CegarLoopResult]: At program point  mainENTRY(lines 13 344)  the Hoare annotation is:  true
[2020-09-25 00:01:12,994 INFO  L268        CegarLoopResult]: For program point  L212(line 212)  no Hoare annotation was computed.
[2020-09-25 00:01:12,994 INFO  L268        CegarLoopResult]: For program point  L80(line 80)  no Hoare annotation was computed.
[2020-09-25 00:01:12,994 INFO  L268        CegarLoopResult]: For program point  L328(line 328)  no Hoare annotation was computed.
[2020-09-25 00:01:12,995 INFO  L268        CegarLoopResult]: For program point  L196(line 196)  no Hoare annotation was computed.
[2020-09-25 00:01:12,995 INFO  L268        CegarLoopResult]: For program point  L64(line 64)  no Hoare annotation was computed.
[2020-09-25 00:01:12,995 INFO  L268        CegarLoopResult]: For program point  L312(line 312)  no Hoare annotation was computed.
[2020-09-25 00:01:12,995 INFO  L268        CegarLoopResult]: For program point  L180(line 180)  no Hoare annotation was computed.
[2020-09-25 00:01:12,995 INFO  L268        CegarLoopResult]: For program point  L296(line 296)  no Hoare annotation was computed.
[2020-09-25 00:01:12,995 INFO  L268        CegarLoopResult]: For program point  L164(line 164)  no Hoare annotation was computed.
[2020-09-25 00:01:12,996 INFO  L268        CegarLoopResult]: For program point  L280(line 280)  no Hoare annotation was computed.
[2020-09-25 00:01:12,996 INFO  L268        CegarLoopResult]: For program point  L148(line 148)  no Hoare annotation was computed.
[2020-09-25 00:01:12,996 INFO  L268        CegarLoopResult]: For program point  L16(line 16)  no Hoare annotation was computed.
[2020-09-25 00:01:12,996 INFO  L268        CegarLoopResult]: For program point  L264(line 264)  no Hoare annotation was computed.
[2020-09-25 00:01:12,996 INFO  L268        CegarLoopResult]: For program point  L198(line 198)  no Hoare annotation was computed.
[2020-09-25 00:01:12,997 INFO  L268        CegarLoopResult]: For program point  L198-1(line 198)  no Hoare annotation was computed.
[2020-09-25 00:01:12,997 INFO  L268        CegarLoopResult]: For program point  L132(line 132)  no Hoare annotation was computed.
[2020-09-25 00:01:12,997 INFO  L268        CegarLoopResult]: For program point  L33(lines 33 52)  no Hoare annotation was computed.
[2020-09-25 00:01:12,997 INFO  L268        CegarLoopResult]: For program point  L248(line 248)  no Hoare annotation was computed.
[2020-09-25 00:01:12,997 INFO  L268        CegarLoopResult]: For program point  L116(line 116)  no Hoare annotation was computed.
[2020-09-25 00:01:12,998 INFO  L268        CegarLoopResult]: For program point  L298(line 298)  no Hoare annotation was computed.
[2020-09-25 00:01:12,998 INFO  L268        CegarLoopResult]: For program point  L298-1(line 298)  no Hoare annotation was computed.
[2020-09-25 00:01:12,998 INFO  L268        CegarLoopResult]: For program point  L232(line 232)  no Hoare annotation was computed.
[2020-09-25 00:01:12,998 INFO  L268        CegarLoopResult]: For program point  L166(line 166)  no Hoare annotation was computed.
[2020-09-25 00:01:12,998 INFO  L268        CegarLoopResult]: For program point  L166-1(line 166)  no Hoare annotation was computed.
[2020-09-25 00:01:12,998 INFO  L268        CegarLoopResult]: For program point  L34(line 34)  no Hoare annotation was computed.
[2020-09-25 00:01:12,999 INFO  L268        CegarLoopResult]: For program point  L34-1(lines 34 49)  no Hoare annotation was computed.
[2020-09-25 00:01:12,999 INFO  L268        CegarLoopResult]: For program point  L34-2(line 34)  no Hoare annotation was computed.
[2020-09-25 00:01:12,999 INFO  L268        CegarLoopResult]: For program point  L34-3(line 34)  no Hoare annotation was computed.
[2020-09-25 00:01:12,999 INFO  L268        CegarLoopResult]: For program point  L282(line 282)  no Hoare annotation was computed.
[2020-09-25 00:01:13,000 INFO  L268        CegarLoopResult]: For program point  L282-1(line 282)  no Hoare annotation was computed.
[2020-09-25 00:01:13,000 INFO  L268        CegarLoopResult]: For program point  L150(line 150)  no Hoare annotation was computed.
[2020-09-25 00:01:13,002 INFO  L268        CegarLoopResult]: For program point  L150-1(line 150)  no Hoare annotation was computed.
[2020-09-25 00:01:13,002 INFO  L268        CegarLoopResult]: For program point  L266(line 266)  no Hoare annotation was computed.
[2020-09-25 00:01:13,002 INFO  L268        CegarLoopResult]: For program point  L266-1(line 266)  no Hoare annotation was computed.
[2020-09-25 00:01:13,002 INFO  L268        CegarLoopResult]: For program point  L134(line 134)  no Hoare annotation was computed.
[2020-09-25 00:01:13,003 INFO  L268        CegarLoopResult]: For program point  L134-1(line 134)  no Hoare annotation was computed.
[2020-09-25 00:01:13,039 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 12:01:13 BoogieIcfgContainer
[2020-09-25 00:01:13,039 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-25 00:01:13,044 INFO  L168              Benchmark]: Toolchain (without parser) took 5853.92 ms. Allocated memory was 140.0 MB in the beginning and 289.4 MB in the end (delta: 149.4 MB). Free memory was 102.5 MB in the beginning and 163.5 MB in the end (delta: -60.9 MB). Peak memory consumption was 88.5 MB. Max. memory is 7.1 GB.
[2020-09-25 00:01:13,052 INFO  L168              Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-09-25 00:01:13,054 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 461.41 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 101.9 MB in the beginning and 182.1 MB in the end (delta: -80.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB.
[2020-09-25 00:01:13,057 INFO  L168              Benchmark]: Boogie Preprocessor took 53.05 ms. Allocated memory is still 203.4 MB. Free memory was 182.1 MB in the beginning and 179.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB.
[2020-09-25 00:01:13,058 INFO  L168              Benchmark]: RCFGBuilder took 749.14 ms. Allocated memory is still 203.4 MB. Free memory was 179.8 MB in the beginning and 143.0 MB in the end (delta: 36.7 MB). Peak memory consumption was 36.7 MB. Max. memory is 7.1 GB.
[2020-09-25 00:01:13,060 INFO  L168              Benchmark]: TraceAbstraction took 4579.06 ms. Allocated memory was 203.4 MB in the beginning and 289.4 MB in the end (delta: 86.0 MB). Free memory was 143.0 MB in the beginning and 163.5 MB in the end (delta: -20.4 MB). Peak memory consumption was 65.6 MB. Max. memory is 7.1 GB.
[2020-09-25 00:01:13,071 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.24 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 461.41 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 101.9 MB in the beginning and 182.1 MB in the end (delta: -80.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 53.05 ms. Allocated memory is still 203.4 MB. Free memory was 182.1 MB in the beginning and 179.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 749.14 ms. Allocated memory is still 203.4 MB. Free memory was 179.8 MB in the beginning and 143.0 MB in the end (delta: 36.7 MB). Peak memory consumption was 36.7 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 4579.06 ms. Allocated memory was 203.4 MB in the beginning and 289.4 MB in the end (delta: 86.0 MB). Free memory was 143.0 MB in the beginning and 163.5 MB in the end (delta: -20.4 MB). Peak memory consumption was 65.6 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 343]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
  - InvariantResult [Line: 23]: Loop Invariant
    Derived loop invariant: ((this_sink == 0 && q == 2) || (3 <= q && (this_sink + 1 <= 0 || 1 <= this_sink))) || (q <= 0 && this_sink == 0)
  - InvariantResult [Line: 13]: Loop Invariant
    Derived loop invariant: 0
  - InvariantResult [Line: 23]: Loop Invariant
    Derived loop invariant: (3 <= q && (this_sink + 1 <= 0 || 1 <= this_sink)) || (q <= 0 && this_sink == 0)
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 3 procedures, 201 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.1s, OverallIterations: 7, TraceHistogramMax: 3, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1259 SDtfs, 1677 SDslu, 85 SDs, 0 SdLazy, 819 SolverSat, 48 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=284occurred in iteration=5, 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, 7 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 14 NumberOfFragments, 72 HoareAnnotationTreeSize, 7 FomulaSimplifications, 80 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 117 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 495 NumberOfCodeBlocks, 495 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 488 ConstructedInterpolants, 0 QuantifiedInterpolants, 97952 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 144/144 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...