/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic DAGSIZE --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label38.c


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


This is Ultimate 0.1.25-d623d84
[2020-07-20 22:07:25,773 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-07-20 22:07:25,776 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-20 22:07:25,788 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-20 22:07:25,789 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-20 22:07:25,790 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-20 22:07:25,791 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-07-20 22:07:25,793 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
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[2020-07-20 22:07:25,796 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-07-20 22:07:25,799 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-07-20 22:07:25,799 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-07-20 22:07:25,803 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-07-20 22:07:25,804 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-07-20 22:07:25,806 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-20 22:07:25,806 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-20 22:07:25,807 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-20 22:07:25,813 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-20 22:07:25,818 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-20 22:07:25,825 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-20 22:07:25,826 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-20 22:07:25,827 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-07-20 22:07:25,828 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-20 22:07:25,830 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2020-07-20 22:07:25,830 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
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[2020-07-20 22:07:25,832 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
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[2020-07-20 22:07:25,833 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
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[2020-07-20 22:07:25,836 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-07-20 22:07:25,836 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
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[2020-07-20 22:07:25,837 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2020-07-20 22:07:25,838 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-07-20 22:07:25,839 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-07-20 22:07:25,854 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-07-20 22:07:25,854 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-20 22:07:25,855 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-20 22:07:25,855 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-07-20 22:07:25,856 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-07-20 22:07:25,856 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-20 22:07:25,856 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-07-20 22:07:25,856 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-07-20 22:07:25,856 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-07-20 22:07:25,857 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-07-20 22:07:25,857 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-07-20 22:07:25,857 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-20 22:07:25,857 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-07-20 22:07:25,857 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-07-20 22:07:25,858 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-07-20 22:07:25,858 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-07-20 22:07:25,858 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-07-20 22:07:25,858 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-20 22:07:25,858 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-07-20 22:07:25,859 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-07-20 22:07:25,859 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-07-20 22:07:25,859 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-20 22:07:25,859 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-20 22:07:25,860 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-07-20 22:07:25,860 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-20 22:07:25,860 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-07-20 22:07:25,860 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 22:07:25,860 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-20 22:07:25,860 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-07-20 22:07:25,861 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 -> FPandBPonlyIfFpWasNotPerfect
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> DAGSIZE
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4
[2020-07-20 22:07:26,131 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-20 22:07:26,152 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-20 22:07:26,156 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-20 22:07:26,158 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-07-20 22:07:26,160 INFO  L275        PluginConnector]: CDTParser initialized
[2020-07-20 22:07:26,162 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label38.c
[2020-07-20 22:07:26,237 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbcebe8dc/daeedd55118342dbac7acb72aec00b17/FLAGb1ac48f22
[2020-07-20 22:07:26,756 INFO  L306              CDTParser]: Found 1 translation units.
[2020-07-20 22:07:26,760 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label38.c
[2020-07-20 22:07:26,772 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbcebe8dc/daeedd55118342dbac7acb72aec00b17/FLAGb1ac48f22
[2020-07-20 22:07:27,088 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbcebe8dc/daeedd55118342dbac7acb72aec00b17
[2020-07-20 22:07:27,096 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-20 22:07:27,100 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-20 22:07:27,101 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-20 22:07:27,101 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-20 22:07:27,104 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-20 22:07:27,107 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:07:27" (1/1) ...
[2020-07-20 22:07:27,110 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fca7f3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:07:27, skipping insertion in model container
[2020-07-20 22:07:27,111 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:07:27" (1/1) ...
[2020-07-20 22:07:27,120 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-07-20 22:07:27,171 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-07-20 22:07:27,768 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-20 22:07:27,776 INFO  L203         MainTranslator]: Completed pre-run
[2020-07-20 22:07:27,939 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-20 22:07:27,959 INFO  L208         MainTranslator]: Completed translation
[2020-07-20 22:07:27,959 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:07:27 WrapperNode
[2020-07-20 22:07:27,960 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-20 22:07:27,961 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-20 22:07:27,961 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-20 22:07:27,961 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-07-20 22:07:27,978 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:07:27" (1/1) ...
[2020-07-20 22:07:27,978 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:07:27" (1/1) ...
[2020-07-20 22:07:27,997 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:07:27" (1/1) ...
[2020-07-20 22:07:27,998 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:07:27" (1/1) ...
[2020-07-20 22:07:28,044 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:07:27" (1/1) ...
[2020-07-20 22:07:28,055 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:07:27" (1/1) ...
[2020-07-20 22:07:28,061 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:07:27" (1/1) ...
[2020-07-20 22:07:28,068 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-20 22:07:28,069 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-20 22:07:28,069 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-07-20 22:07:28,069 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-07-20 22:07:28,070 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:07:27" (1/1) ...
No working directory specified, using /storage/repos/ultimate/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
[2020-07-20 22:07:28,139 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-20 22:07:28,140 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-20 22:07:28,140 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output
[2020-07-20 22:07:28,140 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-07-20 22:07:28,140 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output
[2020-07-20 22:07:28,140 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-20 22:07:28,140 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-07-20 22:07:28,141 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2020-07-20 22:07:28,141 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-07-20 22:07:28,141 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-20 22:07:28,141 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-20 22:07:29,413 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-20 22:07:29,413 INFO  L295             CfgBuilder]: Removed 1 assume(true) statements.
[2020-07-20 22:07:29,420 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:07:29 BoogieIcfgContainer
[2020-07-20 22:07:29,420 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-20 22:07:29,421 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-20 22:07:29,422 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-07-20 22:07:29,425 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-07-20 22:07:29,425 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:07:27" (1/3) ...
[2020-07-20 22:07:29,426 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a79628e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:07:29, skipping insertion in model container
[2020-07-20 22:07:29,426 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:07:27" (2/3) ...
[2020-07-20 22:07:29,427 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a79628e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:07:29, skipping insertion in model container
[2020-07-20 22:07:29,427 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:07:29" (3/3) ...
[2020-07-20 22:07:29,429 INFO  L109   eAbstractionObserver]: Analyzing ICFG Problem10_label38.c
[2020-07-20 22:07:29,439 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION
[2020-07-20 22:07:29,447 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-20 22:07:29,463 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-20 22:07:29,490 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-07-20 22:07:29,490 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-07-20 22:07:29,490 INFO  L377      AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect
[2020-07-20 22:07:29,491 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-20 22:07:29,491 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-20 22:07:29,491 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-07-20 22:07:29,491 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-20 22:07:29,492 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-20 22:07:29,517 INFO  L276                IsEmpty]: Start isEmpty. Operand 215 states.
[2020-07-20 22:07:29,525 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 39
[2020-07-20 22:07:29,525 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 22:07:29,526 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 22:07:29,527 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 22:07:29,533 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 22:07:29,534 INFO  L82        PathProgramCache]: Analyzing trace with hash -1813043417, now seen corresponding path program 1 times
[2020-07-20 22:07:29,543 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 22:07:29,544 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [301528719]
[2020-07-20 22:07:29,544 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 22:07:29,666 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 22:07:29,666 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 22:07:29,669 INFO  L263         TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 6 conjunts are in the unsatisfiable core
[2020-07-20 22:07:29,676 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 22:07:29,745 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 22:07:29,746 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 22:07:29,747 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [301528719]
[2020-07-20 22:07:29,748 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 22:07:29,748 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 22:07:29,749 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632611406]
[2020-07-20 22:07:29,755 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 22:07:29,755 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 22:07:29,770 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 22:07:29,771 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 22:07:29,773 INFO  L87              Difference]: Start difference. First operand 215 states. Second operand 3 states.
[2020-07-20 22:07:30,825 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 22:07:30,826 INFO  L93              Difference]: Finished difference Result 586 states and 1004 transitions.
[2020-07-20 22:07:30,826 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 22:07:30,828 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 38
[2020-07-20 22:07:30,829 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 22:07:30,846 INFO  L225             Difference]: With dead ends: 586
[2020-07-20 22:07:30,846 INFO  L226             Difference]: Without dead ends: 294
[2020-07-20 22:07:30,854 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 22:07:30,876 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 294 states.
[2020-07-20 22:07:30,934 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294.
[2020-07-20 22:07:30,936 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 294 states.
[2020-07-20 22:07:30,939 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 426 transitions.
[2020-07-20 22:07:30,941 INFO  L78                 Accepts]: Start accepts. Automaton has 294 states and 426 transitions. Word has length 38
[2020-07-20 22:07:30,942 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 22:07:30,942 INFO  L479      AbstractCegarLoop]: Abstraction has 294 states and 426 transitions.
[2020-07-20 22:07:30,942 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 22:07:30,943 INFO  L276                IsEmpty]: Start isEmpty. Operand 294 states and 426 transitions.
[2020-07-20 22:07:30,951 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 113
[2020-07-20 22:07:30,951 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 22:07:30,952 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 22:07:31,167 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 22:07:31,168 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 22:07:31,168 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 22:07:31,169 INFO  L82        PathProgramCache]: Analyzing trace with hash 1939889954, now seen corresponding path program 1 times
[2020-07-20 22:07:31,169 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 22:07:31,169 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [424899954]
[2020-07-20 22:07:31,169 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 22:07:31,285 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 22:07:31,285 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 22:07:31,287 INFO  L263         TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 22:07:31,292 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 22:07:31,357 INFO  L134       CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 22:07:31,358 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 22:07:31,358 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [424899954]
[2020-07-20 22:07:31,359 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 22:07:31,359 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 22:07:31,359 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603613033]
[2020-07-20 22:07:31,362 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 22:07:31,365 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 22:07:31,365 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 22:07:31,366 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 22:07:31,366 INFO  L87              Difference]: Start difference. First operand 294 states and 426 transitions. Second operand 3 states.
[2020-07-20 22:07:32,069 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 22:07:32,070 INFO  L93              Difference]: Finished difference Result 868 states and 1277 transitions.
[2020-07-20 22:07:32,070 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 22:07:32,071 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 112
[2020-07-20 22:07:32,072 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 22:07:32,077 INFO  L225             Difference]: With dead ends: 868
[2020-07-20 22:07:32,077 INFO  L226             Difference]: Without dead ends: 580
[2020-07-20 22:07:32,080 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 22:07:32,082 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 580 states.
[2020-07-20 22:07:32,118 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 580.
[2020-07-20 22:07:32,118 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 580 states.
[2020-07-20 22:07:32,121 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 762 transitions.
[2020-07-20 22:07:32,122 INFO  L78                 Accepts]: Start accepts. Automaton has 580 states and 762 transitions. Word has length 112
[2020-07-20 22:07:32,122 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 22:07:32,123 INFO  L479      AbstractCegarLoop]: Abstraction has 580 states and 762 transitions.
[2020-07-20 22:07:32,123 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 22:07:32,123 INFO  L276                IsEmpty]: Start isEmpty. Operand 580 states and 762 transitions.
[2020-07-20 22:07:32,125 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 118
[2020-07-20 22:07:32,125 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 22:07:32,126 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 22:07:32,339 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 22:07:32,340 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 22:07:32,340 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 22:07:32,341 INFO  L82        PathProgramCache]: Analyzing trace with hash -444185243, now seen corresponding path program 1 times
[2020-07-20 22:07:32,341 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 22:07:32,342 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1193557480]
[2020-07-20 22:07:32,343 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 22:07:32,447 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 22:07:32,449 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 22:07:32,450 INFO  L263         TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 22:07:32,468 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 22:07:32,501 INFO  L134       CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 22:07:32,502 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 22:07:32,502 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1193557480]
[2020-07-20 22:07:32,502 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 22:07:32,503 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 22:07:32,503 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145864797]
[2020-07-20 22:07:32,503 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 22:07:32,504 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 22:07:32,504 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 22:07:32,504 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 22:07:32,505 INFO  L87              Difference]: Start difference. First operand 580 states and 762 transitions. Second operand 3 states.
[2020-07-20 22:07:33,191 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 22:07:33,191 INFO  L93              Difference]: Finished difference Result 1440 states and 1957 transitions.
[2020-07-20 22:07:33,191 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 22:07:33,192 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 117
[2020-07-20 22:07:33,192 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 22:07:33,197 INFO  L225             Difference]: With dead ends: 1440
[2020-07-20 22:07:33,198 INFO  L226             Difference]: Without dead ends: 866
[2020-07-20 22:07:33,199 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 22:07:33,201 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 866 states.
[2020-07-20 22:07:33,228 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 866.
[2020-07-20 22:07:33,228 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 866 states.
[2020-07-20 22:07:33,233 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 866 states and 1139 transitions.
[2020-07-20 22:07:33,234 INFO  L78                 Accepts]: Start accepts. Automaton has 866 states and 1139 transitions. Word has length 117
[2020-07-20 22:07:33,234 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 22:07:33,235 INFO  L479      AbstractCegarLoop]: Abstraction has 866 states and 1139 transitions.
[2020-07-20 22:07:33,235 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 22:07:33,235 INFO  L276                IsEmpty]: Start isEmpty. Operand 866 states and 1139 transitions.
[2020-07-20 22:07:33,238 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 134
[2020-07-20 22:07:33,238 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 22:07:33,239 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 22:07:33,452 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 22:07:33,453 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 22:07:33,453 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 22:07:33,453 INFO  L82        PathProgramCache]: Analyzing trace with hash 1165296197, now seen corresponding path program 1 times
[2020-07-20 22:07:33,454 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 22:07:33,454 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [948787757]
[2020-07-20 22:07:33,454 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 22:07:33,535 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 22:07:33,535 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 22:07:33,537 INFO  L263         TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 22:07:33,554 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 22:07:33,602 INFO  L134       CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 22:07:33,602 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 22:07:33,603 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [948787757]
[2020-07-20 22:07:33,603 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 22:07:33,603 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 22:07:33,606 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450699050]
[2020-07-20 22:07:33,608 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 22:07:33,608 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 22:07:33,609 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 22:07:33,609 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 22:07:33,609 INFO  L87              Difference]: Start difference. First operand 866 states and 1139 transitions. Second operand 3 states.
[2020-07-20 22:07:34,373 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 22:07:34,374 INFO  L93              Difference]: Finished difference Result 1583 states and 2141 transitions.
[2020-07-20 22:07:34,374 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 22:07:34,374 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 133
[2020-07-20 22:07:34,375 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 22:07:34,383 INFO  L225             Difference]: With dead ends: 1583
[2020-07-20 22:07:34,384 INFO  L226             Difference]: Without dead ends: 1581
[2020-07-20 22:07:34,385 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 22:07:34,387 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1581 states.
[2020-07-20 22:07:34,425 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1581 to 1295.
[2020-07-20 22:07:34,425 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1295 states.
[2020-07-20 22:07:34,432 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 1295 states and 1753 transitions.
[2020-07-20 22:07:34,432 INFO  L78                 Accepts]: Start accepts. Automaton has 1295 states and 1753 transitions. Word has length 133
[2020-07-20 22:07:34,433 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 22:07:34,433 INFO  L479      AbstractCegarLoop]: Abstraction has 1295 states and 1753 transitions.
[2020-07-20 22:07:34,433 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 22:07:34,433 INFO  L276                IsEmpty]: Start isEmpty. Operand 1295 states and 1753 transitions.
[2020-07-20 22:07:34,437 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 191
[2020-07-20 22:07:34,437 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 22:07:34,437 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2020-07-20 22:07:34,652 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 22:07:34,652 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 22:07:34,653 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 22:07:34,653 INFO  L82        PathProgramCache]: Analyzing trace with hash 588392979, now seen corresponding path program 1 times
[2020-07-20 22:07:34,654 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 22:07:34,654 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [944020807]
[2020-07-20 22:07:34,655 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 22:07:34,758 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 22:07:34,759 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 22:07:34,760 INFO  L263         TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 22:07:34,764 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 22:07:34,821 INFO  L134       CoverageAnalysis]: Checked inductivity of 135 backedges. 133 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 22:07:34,821 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2020-07-20 22:07:34,988 INFO  L134       CoverageAnalysis]: Checked inductivity of 135 backedges. 133 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 22:07:34,988 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [944020807]
[2020-07-20 22:07:34,989 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-07-20 22:07:34,989 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7
[2020-07-20 22:07:34,989 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873381964]
[2020-07-20 22:07:34,990 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-07-20 22:07:34,990 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 22:07:34,991 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-07-20 22:07:34,991 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42
[2020-07-20 22:07:34,991 INFO  L87              Difference]: Start difference. First operand 1295 states and 1753 transitions. Second operand 7 states.
[2020-07-20 22:07:36,608 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 22:07:36,608 INFO  L93              Difference]: Finished difference Result 3506 states and 4847 transitions.
[2020-07-20 22:07:36,610 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2020-07-20 22:07:36,610 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 190
[2020-07-20 22:07:36,611 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 22:07:36,622 INFO  L225             Difference]: With dead ends: 3506
[2020-07-20 22:07:36,623 INFO  L226             Difference]: Without dead ends: 1627
[2020-07-20 22:07:36,627 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 386 GetRequests, 375 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132
[2020-07-20 22:07:36,629 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1627 states.
[2020-07-20 22:07:36,667 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1627 to 1599.
[2020-07-20 22:07:36,667 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1599 states.
[2020-07-20 22:07:36,673 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1599 states to 1599 states and 1888 transitions.
[2020-07-20 22:07:36,673 INFO  L78                 Accepts]: Start accepts. Automaton has 1599 states and 1888 transitions. Word has length 190
[2020-07-20 22:07:36,674 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 22:07:36,674 INFO  L479      AbstractCegarLoop]: Abstraction has 1599 states and 1888 transitions.
[2020-07-20 22:07:36,674 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-07-20 22:07:36,674 INFO  L276                IsEmpty]: Start isEmpty. Operand 1599 states and 1888 transitions.
[2020-07-20 22:07:36,678 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 207
[2020-07-20 22:07:36,678 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 22:07:36,678 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 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]
[2020-07-20 22:07:36,892 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 22:07:36,893 INFO  L427      AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 22:07:36,894 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 22:07:36,894 INFO  L82        PathProgramCache]: Analyzing trace with hash -1370569995, now seen corresponding path program 1 times
[2020-07-20 22:07:36,894 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 22:07:36,895 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [199612447]
[2020-07-20 22:07:36,895 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 22:07:37,002 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 22:07:37,002 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 22:07:37,004 INFO  L263         TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 22:07:37,008 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 22:07:37,064 INFO  L134       CoverageAnalysis]: Checked inductivity of 132 backedges. 130 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 22:07:37,064 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2020-07-20 22:07:37,196 INFO  L134       CoverageAnalysis]: Checked inductivity of 132 backedges. 130 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 22:07:37,196 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [199612447]
[2020-07-20 22:07:37,197 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-07-20 22:07:37,197 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6
[2020-07-20 22:07:37,197 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012405827]
[2020-07-20 22:07:37,198 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 22:07:37,198 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 22:07:37,199 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 22:07:37,199 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2020-07-20 22:07:37,199 INFO  L87              Difference]: Start difference. First operand 1599 states and 1888 transitions. Second operand 6 states.
[2020-07-20 22:07:38,141 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 22:07:38,142 INFO  L93              Difference]: Finished difference Result 3514 states and 4215 transitions.
[2020-07-20 22:07:38,142 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2020-07-20 22:07:38,143 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 206
[2020-07-20 22:07:38,143 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 22:07:38,152 INFO  L225             Difference]: With dead ends: 3514
[2020-07-20 22:07:38,153 INFO  L226             Difference]: Without dead ends: 1917
[2020-07-20 22:07:38,157 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 415 GetRequests, 406 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72
[2020-07-20 22:07:38,160 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1917 states.
[2020-07-20 22:07:38,216 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1917 to 1764.
[2020-07-20 22:07:38,217 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1764 states.
[2020-07-20 22:07:38,225 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1764 states to 1764 states and 2102 transitions.
[2020-07-20 22:07:38,226 INFO  L78                 Accepts]: Start accepts. Automaton has 1764 states and 2102 transitions. Word has length 206
[2020-07-20 22:07:38,226 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 22:07:38,226 INFO  L479      AbstractCegarLoop]: Abstraction has 1764 states and 2102 transitions.
[2020-07-20 22:07:38,227 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 22:07:38,227 INFO  L276                IsEmpty]: Start isEmpty. Operand 1764 states and 2102 transitions.
[2020-07-20 22:07:38,231 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 225
[2020-07-20 22:07:38,231 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 22:07:38,232 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2020-07-20 22:07:38,444 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 22:07:38,445 INFO  L427      AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 22:07:38,446 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 22:07:38,446 INFO  L82        PathProgramCache]: Analyzing trace with hash 24797361, now seen corresponding path program 1 times
[2020-07-20 22:07:38,446 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 22:07:38,447 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [158670650]
[2020-07-20 22:07:38,447 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 22:07:38,557 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 22:07:38,557 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 22:07:38,558 INFO  L263         TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 22:07:38,561 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 22:07:38,627 INFO  L134       CoverageAnalysis]: Checked inductivity of 152 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked.
[2020-07-20 22:07:38,627 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 22:07:38,628 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [158670650]
[2020-07-20 22:07:38,628 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 22:07:38,628 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 22:07:38,628 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153746710]
[2020-07-20 22:07:38,629 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 22:07:38,629 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 22:07:38,629 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 22:07:38,629 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 22:07:38,629 INFO  L87              Difference]: Start difference. First operand 1764 states and 2102 transitions. Second operand 3 states.
[2020-07-20 22:07:39,192 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 22:07:39,192 INFO  L93              Difference]: Finished difference Result 1911 states and 2249 transitions.
[2020-07-20 22:07:39,193 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 22:07:39,193 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 224
[2020-07-20 22:07:39,193 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 22:07:39,201 INFO  L225             Difference]: With dead ends: 1911
[2020-07-20 22:07:39,201 INFO  L226             Difference]: Without dead ends: 1760
[2020-07-20 22:07:39,203 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 22:07:39,205 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1760 states.
[2020-07-20 22:07:39,239 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1760 to 1760.
[2020-07-20 22:07:39,239 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1760 states.
[2020-07-20 22:07:39,245 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1760 states to 1760 states and 2089 transitions.
[2020-07-20 22:07:39,245 INFO  L78                 Accepts]: Start accepts. Automaton has 1760 states and 2089 transitions. Word has length 224
[2020-07-20 22:07:39,246 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 22:07:39,246 INFO  L479      AbstractCegarLoop]: Abstraction has 1760 states and 2089 transitions.
[2020-07-20 22:07:39,246 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 22:07:39,246 INFO  L276                IsEmpty]: Start isEmpty. Operand 1760 states and 2089 transitions.
[2020-07-20 22:07:39,251 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 235
[2020-07-20 22:07:39,251 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 22:07:39,252 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 22:07:39,465 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 22:07:39,465 INFO  L427      AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 22:07:39,465 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 22:07:39,465 INFO  L82        PathProgramCache]: Analyzing trace with hash -1311750989, now seen corresponding path program 1 times
[2020-07-20 22:07:39,466 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 22:07:39,466 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [400199392]
[2020-07-20 22:07:39,467 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 22:07:39,617 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 22:07:39,617 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 22:07:39,619 INFO  L263         TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 22:07:39,622 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 22:07:39,707 INFO  L134       CoverageAnalysis]: Checked inductivity of 139 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked.
[2020-07-20 22:07:39,707 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 22:07:39,707 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [400199392]
[2020-07-20 22:07:39,708 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 22:07:39,708 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 22:07:39,708 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759298232]
[2020-07-20 22:07:39,709 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 22:07:39,709 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 22:07:39,709 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 22:07:39,709 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 22:07:39,709 INFO  L87              Difference]: Start difference. First operand 1760 states and 2089 transitions. Second operand 3 states.
[2020-07-20 22:07:40,328 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 22:07:40,328 INFO  L93              Difference]: Finished difference Result 3659 states and 4430 transitions.
[2020-07-20 22:07:40,329 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 22:07:40,329 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 234
[2020-07-20 22:07:40,330 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 22:07:40,330 INFO  L225             Difference]: With dead ends: 3659
[2020-07-20 22:07:40,330 INFO  L226             Difference]: Without dead ends: 0
[2020-07-20 22:07:40,341 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 22:07:40,341 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-07-20 22:07:40,343 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-07-20 22:07:40,343 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-07-20 22:07:40,343 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-07-20 22:07:40,344 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 234
[2020-07-20 22:07:40,344 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 22:07:40,344 INFO  L479      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-07-20 22:07:40,344 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 22:07:40,344 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-07-20 22:07:40,344 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-07-20 22:07:40,549 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 22:07:40,552 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-07-20 22:07:41,253 WARN  L193               SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 49
[2020-07-20 22:07:41,428 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initFINAL(line -1)  no Hoare annotation was computed.
[2020-07-20 22:07:41,428 INFO  L264        CegarLoopResult]: At program point  ULTIMATE.initENTRY(line -1)  the Hoare annotation is:  (and (<= ~a10~0 |old(~a10~0)|) (<= ~a19~0 |old(~a19~0)|))
[2020-07-20 22:07:41,429 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initEXIT(line -1)  no Hoare annotation was computed.
[2020-07-20 22:07:41,429 INFO  L268        CegarLoopResult]: For program point  L465(lines 465 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,429 INFO  L268        CegarLoopResult]: For program point  L201-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,429 INFO  L268        CegarLoopResult]: For program point  L168-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,429 INFO  L268        CegarLoopResult]: For program point  L135-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,429 INFO  L268        CegarLoopResult]: For program point  L102-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,429 INFO  L268        CegarLoopResult]: For program point  L69-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,430 INFO  L268        CegarLoopResult]: For program point  L36-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,430 INFO  L268        CegarLoopResult]: For program point  L499(lines 499 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,430 INFO  L268        CegarLoopResult]: For program point  L301(lines 301 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,430 INFO  L268        CegarLoopResult]: For program point  L202(line 202)  no Hoare annotation was computed.
[2020-07-20 22:07:41,430 INFO  L268        CegarLoopResult]: For program point  L169(line 169)  no Hoare annotation was computed.
[2020-07-20 22:07:41,430 INFO  L268        CegarLoopResult]: For program point  L136(line 136)  no Hoare annotation was computed.
[2020-07-20 22:07:41,430 INFO  L268        CegarLoopResult]: For program point  L103(line 103)  no Hoare annotation was computed.
[2020-07-20 22:07:41,430 INFO  L268        CegarLoopResult]: For program point  L70(line 70)  no Hoare annotation was computed.
[2020-07-20 22:07:41,432 INFO  L268        CegarLoopResult]: For program point  L37(line 37)  no Hoare annotation was computed.
[2020-07-20 22:07:41,432 INFO  L268        CegarLoopResult]: For program point  L335(lines 335 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,432 INFO  L268        CegarLoopResult]: For program point  L236(lines 236 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,432 INFO  L268        CegarLoopResult]: For program point  L534(lines 534 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,432 INFO  L268        CegarLoopResult]: For program point  L171-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,433 INFO  L268        CegarLoopResult]: For program point  L138-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,434 INFO  L268        CegarLoopResult]: For program point  L105-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,434 INFO  L268        CegarLoopResult]: For program point  L72-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,434 INFO  L268        CegarLoopResult]: For program point  L39-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,434 INFO  L268        CegarLoopResult]: For program point  L436(lines 436 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,434 INFO  L268        CegarLoopResult]: For program point  L403(lines 403 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,434 INFO  L268        CegarLoopResult]: For program point  L370(lines 370 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,434 INFO  L268        CegarLoopResult]: For program point  L271(lines 271 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,434 INFO  L268        CegarLoopResult]: For program point  L172(line 172)  no Hoare annotation was computed.
[2020-07-20 22:07:41,434 INFO  L268        CegarLoopResult]: For program point  L139(line 139)  no Hoare annotation was computed.
[2020-07-20 22:07:41,435 INFO  L268        CegarLoopResult]: For program point  L106(line 106)  no Hoare annotation was computed.
[2020-07-20 22:07:41,435 INFO  L268        CegarLoopResult]: For program point  L73(line 73)  no Hoare annotation was computed.
[2020-07-20 22:07:41,435 INFO  L268        CegarLoopResult]: For program point  L40(line 40)  no Hoare annotation was computed.
[2020-07-20 22:07:41,435 INFO  L268        CegarLoopResult]: For program point  L569(lines 569 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,435 INFO  L268        CegarLoopResult]: For program point  L239(lines 239 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,438 INFO  L268        CegarLoopResult]: For program point  L504(lines 504 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,438 INFO  L268        CegarLoopResult]: For program point  L471(lines 471 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,438 INFO  L268        CegarLoopResult]: For program point  calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 100)  no Hoare annotation was computed.
[2020-07-20 22:07:41,438 INFO  L268        CegarLoopResult]: For program point  L306(lines 306 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,438 INFO  L268        CegarLoopResult]: For program point  L174-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,439 INFO  L268        CegarLoopResult]: For program point  L141-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,439 INFO  L268        CegarLoopResult]: For program point  L108-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,439 INFO  L268        CegarLoopResult]: For program point  L75-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,439 INFO  L268        CegarLoopResult]: For program point  L42-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,439 INFO  L268        CegarLoopResult]: For program point  L340(lines 340 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,440 INFO  L268        CegarLoopResult]: For program point  L175(line 175)  no Hoare annotation was computed.
[2020-07-20 22:07:41,440 INFO  L268        CegarLoopResult]: For program point  L142(line 142)  no Hoare annotation was computed.
[2020-07-20 22:07:41,440 INFO  L268        CegarLoopResult]: For program point  L109(line 109)  no Hoare annotation was computed.
[2020-07-20 22:07:41,440 INFO  L268        CegarLoopResult]: For program point  L76(line 76)  no Hoare annotation was computed.
[2020-07-20 22:07:41,440 INFO  L268        CegarLoopResult]: For program point  L43(line 43)  no Hoare annotation was computed.
[2020-07-20 22:07:41,440 INFO  L268        CegarLoopResult]: For program point  L540(lines 540 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,440 INFO  L268        CegarLoopResult]: For program point  L408(lines 408 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,440 INFO  L268        CegarLoopResult]: For program point  L375(lines 375 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,441 INFO  L268        CegarLoopResult]: For program point  L210(lines 210 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,441 INFO  L268        CegarLoopResult]: For program point  L177-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,441 INFO  L268        CegarLoopResult]: For program point  L144-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,441 INFO  L268        CegarLoopResult]: For program point  L111-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,443 INFO  L268        CegarLoopResult]: For program point  L78-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,443 INFO  L268        CegarLoopResult]: For program point  L45-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,443 INFO  L268        CegarLoopResult]: For program point  L442(lines 442 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,443 INFO  L268        CegarLoopResult]: For program point  L277(lines 277 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,443 INFO  L268        CegarLoopResult]: For program point  L244(lines 244 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,443 INFO  L268        CegarLoopResult]: For program point  L178(line 178)  no Hoare annotation was computed.
[2020-07-20 22:07:41,444 INFO  L268        CegarLoopResult]: For program point  L145(line 145)  no Hoare annotation was computed.
[2020-07-20 22:07:41,444 INFO  L268        CegarLoopResult]: For program point  L112(line 112)  no Hoare annotation was computed.
[2020-07-20 22:07:41,444 INFO  L268        CegarLoopResult]: For program point  L79(line 79)  no Hoare annotation was computed.
[2020-07-20 22:07:41,444 INFO  L268        CegarLoopResult]: For program point  L46(line 46)  no Hoare annotation was computed.
[2020-07-20 22:07:41,444 INFO  L268        CegarLoopResult]: For program point  L509(lines 509 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,444 INFO  L268        CegarLoopResult]: For program point  L476(lines 476 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,444 INFO  L268        CegarLoopResult]: For program point  L378(lines 378 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,444 INFO  L268        CegarLoopResult]: For program point  L345(lines 345 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,444 INFO  L268        CegarLoopResult]: For program point  L312(lines 312 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,444 INFO  L268        CegarLoopResult]: For program point  L180-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,445 INFO  L268        CegarLoopResult]: For program point  L147-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,445 INFO  L268        CegarLoopResult]: For program point  L114-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,445 INFO  L268        CegarLoopResult]: For program point  L81-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,445 INFO  L268        CegarLoopResult]: For program point  L48-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,445 INFO  L268        CegarLoopResult]: For program point  L181(line 181)  no Hoare annotation was computed.
[2020-07-20 22:07:41,445 INFO  L268        CegarLoopResult]: For program point  L148(line 148)  no Hoare annotation was computed.
[2020-07-20 22:07:41,445 INFO  L268        CegarLoopResult]: For program point  L115(line 115)  no Hoare annotation was computed.
[2020-07-20 22:07:41,445 INFO  L268        CegarLoopResult]: For program point  L82(line 82)  no Hoare annotation was computed.
[2020-07-20 22:07:41,445 INFO  L268        CegarLoopResult]: For program point  L49(line 49)  no Hoare annotation was computed.
[2020-07-20 22:07:41,446 INFO  L268        CegarLoopResult]: For program point  L545(lines 545 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,446 INFO  L268        CegarLoopResult]: For program point  L215(lines 215 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,446 INFO  L268        CegarLoopResult]: For program point  L414(lines 414 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,446 INFO  L268        CegarLoopResult]: For program point  L249(lines 249 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,446 INFO  L268        CegarLoopResult]: For program point  L183-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,446 INFO  L268        CegarLoopResult]: For program point  L150-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,446 INFO  L268        CegarLoopResult]: For program point  L117-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,446 INFO  L268        CegarLoopResult]: For program point  L84-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,446 INFO  L268        CegarLoopResult]: For program point  L51-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,447 INFO  L268        CegarLoopResult]: For program point  calculate_outputFINAL(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,447 INFO  L268        CegarLoopResult]: For program point  calculate_outputEXIT(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,447 INFO  L268        CegarLoopResult]: For program point  L514(lines 514 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,447 INFO  L268        CegarLoopResult]: For program point  L481(lines 481 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,447 INFO  L268        CegarLoopResult]: For program point  L448(lines 448 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,447 INFO  L268        CegarLoopResult]: For program point  L283(lines 283 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,447 INFO  L268        CegarLoopResult]: For program point  L184(line 184)  no Hoare annotation was computed.
[2020-07-20 22:07:41,447 INFO  L268        CegarLoopResult]: For program point  L151(line 151)  no Hoare annotation was computed.
[2020-07-20 22:07:41,447 INFO  L268        CegarLoopResult]: For program point  L118(line 118)  no Hoare annotation was computed.
[2020-07-20 22:07:41,448 INFO  L268        CegarLoopResult]: For program point  L85(line 85)  no Hoare annotation was computed.
[2020-07-20 22:07:41,448 INFO  L268        CegarLoopResult]: For program point  L52(line 52)  no Hoare annotation was computed.
[2020-07-20 22:07:41,448 INFO  L268        CegarLoopResult]: For program point  L548(lines 548 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,448 INFO  L268        CegarLoopResult]: For program point  L383(lines 383 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,448 INFO  L268        CegarLoopResult]: For program point  L317(lines 317 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,449 INFO  L268        CegarLoopResult]: For program point  L351(lines 351 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,449 INFO  L268        CegarLoopResult]: For program point  L186-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,449 INFO  L268        CegarLoopResult]: For program point  L153-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,450 INFO  L268        CegarLoopResult]: For program point  L120-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,450 INFO  L268        CegarLoopResult]: For program point  L87-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,450 INFO  L268        CegarLoopResult]: For program point  L21(lines 21 23)  no Hoare annotation was computed.
[2020-07-20 22:07:41,450 INFO  L268        CegarLoopResult]: For program point  L54-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,450 INFO  L268        CegarLoopResult]: For program point  L21-2(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,450 INFO  L268        CegarLoopResult]: For program point  L517(lines 517 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,450 INFO  L268        CegarLoopResult]: For program point  L286(lines 286 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,450 INFO  L268        CegarLoopResult]: For program point  L220(lines 220 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,450 INFO  L268        CegarLoopResult]: For program point  L187(line 187)  no Hoare annotation was computed.
[2020-07-20 22:07:41,451 INFO  L268        CegarLoopResult]: For program point  L154(line 154)  no Hoare annotation was computed.
[2020-07-20 22:07:41,451 INFO  L268        CegarLoopResult]: For program point  L121(line 121)  no Hoare annotation was computed.
[2020-07-20 22:07:41,451 INFO  L268        CegarLoopResult]: For program point  L88(line 88)  no Hoare annotation was computed.
[2020-07-20 22:07:41,451 INFO  L268        CegarLoopResult]: For program point  L55(line 55)  no Hoare annotation was computed.
[2020-07-20 22:07:41,451 INFO  L268        CegarLoopResult]: For program point  L22(line 22)  no Hoare annotation was computed.
[2020-07-20 22:07:41,452 INFO  L268        CegarLoopResult]: For program point  L419(lines 419 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,452 INFO  L268        CegarLoopResult]: For program point  L320(lines 320 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,452 INFO  L268        CegarLoopResult]: For program point  L254(lines 254 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,452 INFO  L268        CegarLoopResult]: For program point  L354(lines 354 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,452 INFO  L268        CegarLoopResult]: For program point  L189-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,452 INFO  L268        CegarLoopResult]: For program point  L156-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,452 INFO  L268        CegarLoopResult]: For program point  L123-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,452 INFO  L268        CegarLoopResult]: For program point  L90-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,452 INFO  L268        CegarLoopResult]: For program point  L57-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,453 INFO  L268        CegarLoopResult]: For program point  L24-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,453 INFO  L268        CegarLoopResult]: For program point  L487(lines 487 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,453 INFO  L268        CegarLoopResult]: For program point  L454(lines 454 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,453 INFO  L268        CegarLoopResult]: For program point  L388(lines 388 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,453 INFO  L268        CegarLoopResult]: For program point  L190(line 190)  no Hoare annotation was computed.
[2020-07-20 22:07:41,453 INFO  L268        CegarLoopResult]: For program point  L157(line 157)  no Hoare annotation was computed.
[2020-07-20 22:07:41,453 INFO  L268        CegarLoopResult]: For program point  L124(line 124)  no Hoare annotation was computed.
[2020-07-20 22:07:41,453 INFO  L268        CegarLoopResult]: For program point  L91(line 91)  no Hoare annotation was computed.
[2020-07-20 22:07:41,453 INFO  L268        CegarLoopResult]: For program point  L58(line 58)  no Hoare annotation was computed.
[2020-07-20 22:07:41,454 INFO  L268        CegarLoopResult]: For program point  L25(line 25)  no Hoare annotation was computed.
[2020-07-20 22:07:41,454 INFO  L268        CegarLoopResult]: For program point  L554(lines 554 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,454 INFO  L268        CegarLoopResult]: For program point  L323(lines 323 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,454 INFO  L264        CegarLoopResult]: At program point  calculate_outputENTRY(lines 20 574)  the Hoare annotation is:  (let ((.cse8 (<= ~a10~0 |old(~a10~0)|)) (.cse10 (<= ~a19~0 |old(~a19~0)|))) (let ((.cse1 (not (<= 9 |old(~a19~0)|))) (.cse2 (<= 9 ~a19~0)) (.cse6 (not (<= |old(~a19~0)| 8))) (.cse9 (not (< |old(~a19~0)| 10))) (.cse0 (not (<= |old(~a1~0)| 23))) (.cse3 (<= ~a1~0 23)) (.cse5 (and .cse8 (<= 8 ~a19~0) .cse10)) (.cse7 (not (<= 8 |old(~a19~0)|))) (.cse4 (not (<= |old(~a10~0)| 1)))) (and (or .cse0 .cse1 (and .cse2 .cse3) .cse4) (or .cse5 .cse6 .cse7) (or .cse8 .cse6 (not (<= |old(~a10~0)| 2))) (or .cse9 .cse1 (and .cse2 .cse8 (< ~a19~0 10))) (or .cse0 .cse6 .cse10) (or (not (<= |old(~a10~0)| 3)) .cse6 (and .cse10 (<= ~a10~0 3))) (or .cse9 .cse0 .cse3) (or .cse5 .cse7 .cse4))))
[2020-07-20 22:07:41,454 INFO  L268        CegarLoopResult]: For program point  L357(lines 357 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,454 INFO  L268        CegarLoopResult]: For program point  L291(lines 291 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,455 INFO  L268        CegarLoopResult]: For program point  L225(lines 225 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,455 INFO  L268        CegarLoopResult]: For program point  L192-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,455 INFO  L268        CegarLoopResult]: For program point  L159-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,455 INFO  L268        CegarLoopResult]: For program point  L126-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,455 INFO  L268        CegarLoopResult]: For program point  L93-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,455 INFO  L268        CegarLoopResult]: For program point  L60-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,455 INFO  L268        CegarLoopResult]: For program point  L27-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,455 INFO  L268        CegarLoopResult]: For program point  L523(lines 523 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,455 INFO  L268        CegarLoopResult]: For program point  L193(line 193)  no Hoare annotation was computed.
[2020-07-20 22:07:41,455 INFO  L268        CegarLoopResult]: For program point  L160(line 160)  no Hoare annotation was computed.
[2020-07-20 22:07:41,456 INFO  L268        CegarLoopResult]: For program point  L127(line 127)  no Hoare annotation was computed.
[2020-07-20 22:07:41,456 INFO  L268        CegarLoopResult]: For program point  L94(line 94)  no Hoare annotation was computed.
[2020-07-20 22:07:41,456 INFO  L268        CegarLoopResult]: For program point  L61(line 61)  no Hoare annotation was computed.
[2020-07-20 22:07:41,456 INFO  L268        CegarLoopResult]: For program point  L28(line 28)  no Hoare annotation was computed.
[2020-07-20 22:07:41,456 INFO  L268        CegarLoopResult]: For program point  L557(lines 557 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,456 INFO  L268        CegarLoopResult]: For program point  L425(lines 425 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,456 INFO  L268        CegarLoopResult]: For program point  L326(lines 326 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,456 INFO  L268        CegarLoopResult]: For program point  L260(lines 260 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,456 INFO  L268        CegarLoopResult]: For program point  L393(lines 393 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,457 INFO  L268        CegarLoopResult]: For program point  L360(lines 360 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,457 INFO  L268        CegarLoopResult]: For program point  L195-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,457 INFO  L268        CegarLoopResult]: For program point  L162-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,457 INFO  L268        CegarLoopResult]: For program point  L129-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,457 INFO  L268        CegarLoopResult]: For program point  L96-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,457 INFO  L268        CegarLoopResult]: For program point  L63-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,457 INFO  L268        CegarLoopResult]: For program point  L30-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,457 INFO  L268        CegarLoopResult]: For program point  L526(lines 526 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,457 INFO  L268        CegarLoopResult]: For program point  L493(lines 493 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,457 INFO  L268        CegarLoopResult]: For program point  L460(lines 460 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,458 INFO  L268        CegarLoopResult]: For program point  L196(line 196)  no Hoare annotation was computed.
[2020-07-20 22:07:41,458 INFO  L268        CegarLoopResult]: For program point  L163(line 163)  no Hoare annotation was computed.
[2020-07-20 22:07:41,458 INFO  L268        CegarLoopResult]: For program point  L130(line 130)  no Hoare annotation was computed.
[2020-07-20 22:07:41,458 INFO  L268        CegarLoopResult]: For program point  L97(line 97)  no Hoare annotation was computed.
[2020-07-20 22:07:41,458 INFO  L268        CegarLoopResult]: For program point  L64(line 64)  no Hoare annotation was computed.
[2020-07-20 22:07:41,458 INFO  L268        CegarLoopResult]: For program point  L31(line 31)  no Hoare annotation was computed.
[2020-07-20 22:07:41,458 INFO  L268        CegarLoopResult]: For program point  L329(lines 329 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,458 INFO  L268        CegarLoopResult]: For program point  L296(lines 296 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,458 INFO  L268        CegarLoopResult]: For program point  L231(lines 231 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,459 INFO  L268        CegarLoopResult]: For program point  L198-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,459 INFO  L268        CegarLoopResult]: For program point  L165-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,459 INFO  L268        CegarLoopResult]: For program point  L132-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,459 INFO  L268        CegarLoopResult]: For program point  L99-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,459 INFO  L268        CegarLoopResult]: For program point  L66-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,459 INFO  L268        CegarLoopResult]: For program point  L33-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:07:41,459 INFO  L268        CegarLoopResult]: For program point  L529(lines 529 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,459 INFO  L268        CegarLoopResult]: For program point  L430(lines 430 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,459 INFO  L268        CegarLoopResult]: For program point  L265(lines 265 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,460 INFO  L268        CegarLoopResult]: For program point  L199(line 199)  no Hoare annotation was computed.
[2020-07-20 22:07:41,460 INFO  L268        CegarLoopResult]: For program point  L166(line 166)  no Hoare annotation was computed.
[2020-07-20 22:07:41,460 INFO  L268        CegarLoopResult]: For program point  L133(line 133)  no Hoare annotation was computed.
[2020-07-20 22:07:41,460 INFO  L268        CegarLoopResult]: For program point  L100(line 100)  no Hoare annotation was computed.
[2020-07-20 22:07:41,460 INFO  L268        CegarLoopResult]: For program point  L67(line 67)  no Hoare annotation was computed.
[2020-07-20 22:07:41,460 INFO  L268        CegarLoopResult]: For program point  L34(line 34)  no Hoare annotation was computed.
[2020-07-20 22:07:41,460 INFO  L268        CegarLoopResult]: For program point  L563(lines 563 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,460 INFO  L268        CegarLoopResult]: For program point  L398(lines 398 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,460 INFO  L268        CegarLoopResult]: For program point  L365(lines 365 572)  no Hoare annotation was computed.
[2020-07-20 22:07:41,460 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2020-07-20 22:07:41,461 INFO  L264        CegarLoopResult]: At program point  L-1(line -1)  the Hoare annotation is:  (and (<= ~a10~0 0) (<= 9 ~a19~0) (<= ~a1~0 23) (< ~a19~0 10))
[2020-07-20 22:07:41,461 INFO  L271        CegarLoopResult]: At program point  ULTIMATE.startENTRY(line -1)  the Hoare annotation is:  true
[2020-07-20 22:07:41,461 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2020-07-20 22:07:41,461 INFO  L264        CegarLoopResult]: At program point  mainENTRY(lines 576 592)  the Hoare annotation is:  (or (not (< |old(~a19~0)| 10)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (<= 9 ~a19~0) (<= ~a10~0 |old(~a10~0)|) (<= ~a1~0 23) (< ~a19~0 10)))
[2020-07-20 22:07:41,461 INFO  L268        CegarLoopResult]: For program point  mainEXIT(lines 576 592)  no Hoare annotation was computed.
[2020-07-20 22:07:41,461 INFO  L264        CegarLoopResult]: At program point  L590(line 590)  the Hoare annotation is:  (let ((.cse0 (<= ~a19~0 8))) (or (<= ~a10~0 1) (not (< |old(~a19~0)| 10)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (<= 8 ~a19~0) (< ~a19~0 10)) (and .cse0 (<= ~a10~0 3)) (and .cse0 (<= ~a1~0 23))))
[2020-07-20 22:07:41,461 INFO  L268        CegarLoopResult]: For program point  L590-1(line 590)  no Hoare annotation was computed.
[2020-07-20 22:07:41,462 INFO  L268        CegarLoopResult]: For program point  L587(line 587)  no Hoare annotation was computed.
[2020-07-20 22:07:41,462 INFO  L264        CegarLoopResult]: At program point  L582-2(lines 582 591)  the Hoare annotation is:  (let ((.cse0 (<= ~a19~0 8))) (or (<= ~a10~0 1) (not (< |old(~a19~0)| 10)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (<= 8 ~a19~0) (< ~a19~0 10)) (and .cse0 (<= ~a10~0 3)) (and .cse0 (<= ~a1~0 23))))
[2020-07-20 22:07:41,462 INFO  L268        CegarLoopResult]: For program point  L582-3(lines 576 592)  no Hoare annotation was computed.
[2020-07-20 22:07:41,485 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 10:07:41 BoogieIcfgContainer
[2020-07-20 22:07:41,485 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-20 22:07:41,488 INFO  L168              Benchmark]: Toolchain (without parser) took 14389.58 ms. Allocated memory was 137.9 MB in the beginning and 399.0 MB in the end (delta: 261.1 MB). Free memory was 99.8 MB in the beginning and 138.5 MB in the end (delta: -38.7 MB). Peak memory consumption was 222.4 MB. Max. memory is 7.1 GB.
[2020-07-20 22:07:41,493 INFO  L168              Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 137.9 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB.
[2020-07-20 22:07:41,495 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 859.64 ms. Allocated memory was 137.9 MB in the beginning and 205.5 MB in the end (delta: 67.6 MB). Free memory was 99.6 MB in the beginning and 171.8 MB in the end (delta: -72.2 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB.
[2020-07-20 22:07:41,495 INFO  L168              Benchmark]: Boogie Preprocessor took 107.53 ms. Allocated memory is still 205.5 MB. Free memory was 171.8 MB in the beginning and 166.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB.
[2020-07-20 22:07:41,496 INFO  L168              Benchmark]: RCFGBuilder took 1351.67 ms. Allocated memory was 205.5 MB in the beginning and 238.0 MB in the end (delta: 32.5 MB). Free memory was 166.9 MB in the beginning and 183.3 MB in the end (delta: -16.5 MB). Peak memory consumption was 83.5 MB. Max. memory is 7.1 GB.
[2020-07-20 22:07:41,498 INFO  L168              Benchmark]: TraceAbstraction took 12064.16 ms. Allocated memory was 238.0 MB in the beginning and 399.0 MB in the end (delta: 161.0 MB). Free memory was 181.9 MB in the beginning and 138.5 MB in the end (delta: 43.4 MB). Peak memory consumption was 204.3 MB. Max. memory is 7.1 GB.
[2020-07-20 22:07:41,511 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.47 ms. Allocated memory is still 137.9 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 859.64 ms. Allocated memory was 137.9 MB in the beginning and 205.5 MB in the end (delta: 67.6 MB). Free memory was 99.6 MB in the beginning and 171.8 MB in the end (delta: -72.2 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 107.53 ms. Allocated memory is still 205.5 MB. Free memory was 171.8 MB in the beginning and 166.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1351.67 ms. Allocated memory was 205.5 MB in the beginning and 238.0 MB in the end (delta: 32.5 MB). Free memory was 166.9 MB in the beginning and 183.3 MB in the end (delta: -16.5 MB). Peak memory consumption was 83.5 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 12064.16 ms. Allocated memory was 238.0 MB in the beginning and 399.0 MB in the end (delta: 161.0 MB). Free memory was 181.9 MB in the beginning and 138.5 MB in the end (delta: 43.4 MB). Peak memory consumption was 204.3 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 100]: 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: 582]: Loop Invariant
    Derived loop invariant: ((((((a10 <= 1 || !(\old(a19) < 10)) || !(\old(a1) <= 23)) || !(\old(a10) <= 0)) || !(9 <= \old(a19))) || (8 <= a19 && a19 < 10)) || (a19 <= 8 && a10 <= 3)) || (a19 <= 8 && a1 <= 23)
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.0s, OverallIterations: 8, TraceHistogramMax: 3, AutomataDifference: 7.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 316 SDtfs, 1658 SDslu, 142 SDs, 0 SdLazy, 3854 SolverSat, 736 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1653 GetRequests, 1627 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1764occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 467 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 66 PreInvPairs, 112 NumberOfFragments, 263 HoareAnnotationTreeSize, 66 FomulaSimplifications, 1240 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 884 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1254 NumberOfCodeBlocks, 1254 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 1640 ConstructedInterpolants, 0 QuantifiedInterpolants, 626882 SizeOfPredicates, 13 NumberOfNonLiveVariables, 2455 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 910/918 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...