/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 NUM_FUNCTIONS --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_label22.c


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


This is Ultimate 0.1.25-d623d84
[2020-07-20 14:09:22,140 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-07-20 14:09:22,143 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-20 14:09:22,162 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-20 14:09:22,162 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-20 14:09:22,165 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-20 14:09:22,167 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-07-20 14:09:22,181 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
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[2020-07-20 14:09:22,185 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
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[2020-07-20 14:09:22,190 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-07-20 14:09:22,190 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-07-20 14:09:22,191 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-07-20 14:09:22,193 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-07-20 14:09:22,194 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-20 14:09:22,195 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-20 14:09:22,195 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-20 14:09:22,197 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-20 14:09:22,199 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-20 14:09:22,201 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-20 14:09:22,202 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-20 14:09:22,203 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-07-20 14:09:22,204 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-20 14:09:22,206 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-07-20 14:09:22,206 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-07-20 14:09:22,207 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-07-20 14:09:22,208 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-07-20 14:09:22,208 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-07-20 14:09:22,209 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-07-20 14:09:22,209 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
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[2020-07-20 14:09:22,211 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
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[2020-07-20 14:09:22,213 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-07-20 14:09:22,213 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
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[2020-07-20 14:09:22,214 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2020-07-20 14:09:22,216 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-07-20 14:09:22,217 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 14:09:22,232 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-07-20 14:09:22,232 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-20 14:09:22,233 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-20 14:09:22,233 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-07-20 14:09:22,234 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-07-20 14:09:22,234 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-20 14:09:22,234 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-07-20 14:09:22,234 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-07-20 14:09:22,235 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-07-20 14:09:22,235 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-07-20 14:09:22,235 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-07-20 14:09:22,235 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-20 14:09:22,235 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-07-20 14:09:22,236 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-07-20 14:09:22,236 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-07-20 14:09:22,236 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-07-20 14:09:22,236 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-07-20 14:09:22,236 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-20 14:09:22,237 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-07-20 14:09:22,237 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-07-20 14:09:22,237 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-07-20 14:09:22,237 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-20 14:09:22,237 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-20 14:09:22,238 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-07-20 14:09:22,238 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-20 14:09:22,238 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-07-20 14:09:22,238 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 14:09:22,238 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-20 14:09:22,239 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-07-20 14:09:22,239 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 -> NUM_FUNCTIONS
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 14:09:22,553 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-20 14:09:22,575 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-20 14:09:22,579 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-20 14:09:22,581 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-07-20 14:09:22,581 INFO  L275        PluginConnector]: CDTParser initialized
[2020-07-20 14:09:22,582 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label22.c
[2020-07-20 14:09:22,658 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/573a674f8/672f7762124c4d7586f99302a3e01af8/FLAG0ab618aa3
[2020-07-20 14:09:23,316 INFO  L306              CDTParser]: Found 1 translation units.
[2020-07-20 14:09:23,317 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label22.c
[2020-07-20 14:09:23,336 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/573a674f8/672f7762124c4d7586f99302a3e01af8/FLAG0ab618aa3
[2020-07-20 14:09:23,513 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/573a674f8/672f7762124c4d7586f99302a3e01af8
[2020-07-20 14:09:23,525 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-20 14:09:23,529 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-20 14:09:23,530 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-20 14:09:23,530 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-20 14:09:23,534 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-20 14:09:23,535 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:09:23" (1/1) ...
[2020-07-20 14:09:23,537 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e0b076e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:09:23, skipping insertion in model container
[2020-07-20 14:09:23,538 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:09:23" (1/1) ...
[2020-07-20 14:09:23,546 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-07-20 14:09:23,599 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-07-20 14:09:24,006 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-20 14:09:24,011 INFO  L203         MainTranslator]: Completed pre-run
[2020-07-20 14:09:24,200 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-20 14:09:24,216 INFO  L208         MainTranslator]: Completed translation
[2020-07-20 14:09:24,217 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:09:24 WrapperNode
[2020-07-20 14:09:24,217 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-20 14:09:24,218 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-20 14:09:24,218 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-20 14:09:24,218 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-07-20 14:09:24,232 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:09:24" (1/1) ...
[2020-07-20 14:09:24,233 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:09:24" (1/1) ...
[2020-07-20 14:09:24,251 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:09:24" (1/1) ...
[2020-07-20 14:09:24,251 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:09:24" (1/1) ...
[2020-07-20 14:09:24,291 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:09:24" (1/1) ...
[2020-07-20 14:09:24,307 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:09:24" (1/1) ...
[2020-07-20 14:09:24,313 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:09:24" (1/1) ...
[2020-07-20 14:09:24,323 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-20 14:09:24,324 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-20 14:09:24,324 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-07-20 14:09:24,325 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-07-20 14:09:24,326 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:09:24" (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 14:09:24,400 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-20 14:09:24,401 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-20 14:09:24,401 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output
[2020-07-20 14:09:24,401 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-07-20 14:09:24,401 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output
[2020-07-20 14:09:24,402 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-20 14:09:24,402 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-07-20 14:09:24,402 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2020-07-20 14:09:24,402 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-07-20 14:09:24,402 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-20 14:09:24,403 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-20 14:09:25,740 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-20 14:09:25,741 INFO  L295             CfgBuilder]: Removed 1 assume(true) statements.
[2020-07-20 14:09:25,751 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:09:25 BoogieIcfgContainer
[2020-07-20 14:09:25,751 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-20 14:09:25,753 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-20 14:09:25,753 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-07-20 14:09:25,757 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-07-20 14:09:25,757 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 02:09:23" (1/3) ...
[2020-07-20 14:09:25,758 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@197d8cac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:09:25, skipping insertion in model container
[2020-07-20 14:09:25,758 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:09:24" (2/3) ...
[2020-07-20 14:09:25,759 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@197d8cac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:09:25, skipping insertion in model container
[2020-07-20 14:09:25,759 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:09:25" (3/3) ...
[2020-07-20 14:09:25,764 INFO  L109   eAbstractionObserver]: Analyzing ICFG Problem10_label22.c
[2020-07-20 14:09:25,776 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION
[2020-07-20 14:09:25,788 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-20 14:09:25,802 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-20 14:09:25,836 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-07-20 14:09:25,837 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-07-20 14:09:25,838 INFO  L377      AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect
[2020-07-20 14:09:25,838 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-20 14:09:25,838 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-20 14:09:25,838 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-07-20 14:09:25,838 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-20 14:09:25,839 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-20 14:09:25,866 INFO  L276                IsEmpty]: Start isEmpty. Operand 215 states.
[2020-07-20 14:09:25,880 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2020-07-20 14:09:25,880 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 14:09:25,881 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 14:09:25,882 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 14:09:25,888 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 14:09:25,889 INFO  L82        PathProgramCache]: Analyzing trace with hash 1257002150, now seen corresponding path program 1 times
[2020-07-20 14:09:25,898 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 14:09:25,898 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1283618758]
[2020-07-20 14:09:25,899 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 14:09:26,065 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 14:09:26,065 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 14:09:26,068 INFO  L263         TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 6 conjunts are in the unsatisfiable core
[2020-07-20 14:09:26,082 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 14:09:26,178 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 14:09:26,179 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 14:09:26,181 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1283618758]
[2020-07-20 14:09:26,182 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 14:09:26,182 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 14:09:26,183 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204002760]
[2020-07-20 14:09:26,190 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 14:09:26,191 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 14:09:26,205 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 14:09:26,206 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 14:09:26,209 INFO  L87              Difference]: Start difference. First operand 215 states. Second operand 3 states.
[2020-07-20 14:09:27,273 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 14:09:27,273 INFO  L93              Difference]: Finished difference Result 586 states and 1004 transitions.
[2020-07-20 14:09:27,274 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 14:09:27,276 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 43
[2020-07-20 14:09:27,276 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 14:09:27,292 INFO  L225             Difference]: With dead ends: 586
[2020-07-20 14:09:27,292 INFO  L226             Difference]: Without dead ends: 294
[2020-07-20 14:09:27,299 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 41 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 14:09:27,318 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 294 states.
[2020-07-20 14:09:27,366 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294.
[2020-07-20 14:09:27,371 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 294 states.
[2020-07-20 14:09:27,373 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 426 transitions.
[2020-07-20 14:09:27,374 INFO  L78                 Accepts]: Start accepts. Automaton has 294 states and 426 transitions. Word has length 43
[2020-07-20 14:09:27,375 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 14:09:27,376 INFO  L479      AbstractCegarLoop]: Abstraction has 294 states and 426 transitions.
[2020-07-20 14:09:27,376 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 14:09:27,377 INFO  L276                IsEmpty]: Start isEmpty. Operand 294 states and 426 transitions.
[2020-07-20 14:09:27,384 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 118
[2020-07-20 14:09:27,384 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 14:09:27,385 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, 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]
[2020-07-20 14:09:27,593 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 14:09:27,593 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 14:09:27,594 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 14:09:27,594 INFO  L82        PathProgramCache]: Analyzing trace with hash 961573706, now seen corresponding path program 1 times
[2020-07-20 14:09:27,595 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 14:09:27,596 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [806992635]
[2020-07-20 14:09:27,596 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 14:09:27,692 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 14:09:27,692 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 14:09:27,694 INFO  L263         TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 6 conjunts are in the unsatisfiable core
[2020-07-20 14:09:27,699 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 14:09:27,749 INFO  L134       CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 14:09:27,749 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 14:09:27,749 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [806992635]
[2020-07-20 14:09:27,750 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 14:09:27,750 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-07-20 14:09:27,750 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083114151]
[2020-07-20 14:09:27,752 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-07-20 14:09:27,752 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 14:09:27,753 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-07-20 14:09:27,753 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-07-20 14:09:27,753 INFO  L87              Difference]: Start difference. First operand 294 states and 426 transitions. Second operand 5 states.
[2020-07-20 14:09:28,794 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 14:09:28,794 INFO  L93              Difference]: Finished difference Result 890 states and 1316 transitions.
[2020-07-20 14:09:28,796 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2020-07-20 14:09:28,796 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 117
[2020-07-20 14:09:28,797 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 14:09:28,804 INFO  L225             Difference]: With dead ends: 890
[2020-07-20 14:09:28,804 INFO  L226             Difference]: Without dead ends: 602
[2020-07-20 14:09:28,806 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2020-07-20 14:09:28,807 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 602 states.
[2020-07-20 14:09:28,852 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 590.
[2020-07-20 14:09:28,852 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 590 states.
[2020-07-20 14:09:28,856 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 776 transitions.
[2020-07-20 14:09:28,856 INFO  L78                 Accepts]: Start accepts. Automaton has 590 states and 776 transitions. Word has length 117
[2020-07-20 14:09:28,856 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 14:09:28,857 INFO  L479      AbstractCegarLoop]: Abstraction has 590 states and 776 transitions.
[2020-07-20 14:09:28,857 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-07-20 14:09:28,857 INFO  L276                IsEmpty]: Start isEmpty. Operand 590 states and 776 transitions.
[2020-07-20 14:09:28,863 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 123
[2020-07-20 14:09:28,866 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 14:09:28,867 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, 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 14:09:29,081 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 14:09:29,082 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 14:09:29,082 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 14:09:29,082 INFO  L82        PathProgramCache]: Analyzing trace with hash -550888759, now seen corresponding path program 1 times
[2020-07-20 14:09:29,083 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 14:09:29,083 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1859467548]
[2020-07-20 14:09:29,083 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 14:09:29,204 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 14:09:29,205 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 14:09:29,207 INFO  L263         TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 14:09:29,222 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 14:09:29,290 INFO  L134       CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 14:09:29,290 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 14:09:29,291 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1859467548]
[2020-07-20 14:09:29,291 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 14:09:29,291 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 14:09:29,293 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892949414]
[2020-07-20 14:09:29,295 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 14:09:29,295 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 14:09:29,296 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 14:09:29,296 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 14:09:29,305 INFO  L87              Difference]: Start difference. First operand 590 states and 776 transitions. Second operand 3 states.
[2020-07-20 14:09:29,954 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 14:09:29,954 INFO  L93              Difference]: Finished difference Result 1174 states and 1554 transitions.
[2020-07-20 14:09:29,955 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 14:09:29,955 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 122
[2020-07-20 14:09:29,956 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 14:09:29,960 INFO  L225             Difference]: With dead ends: 1174
[2020-07-20 14:09:29,960 INFO  L226             Difference]: Without dead ends: 590
[2020-07-20 14:09:29,962 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 120 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 14:09:29,963 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 590 states.
[2020-07-20 14:09:29,989 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 590.
[2020-07-20 14:09:29,989 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 590 states.
[2020-07-20 14:09:29,992 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 755 transitions.
[2020-07-20 14:09:29,993 INFO  L78                 Accepts]: Start accepts. Automaton has 590 states and 755 transitions. Word has length 122
[2020-07-20 14:09:29,993 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 14:09:29,994 INFO  L479      AbstractCegarLoop]: Abstraction has 590 states and 755 transitions.
[2020-07-20 14:09:29,994 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 14:09:29,994 INFO  L276                IsEmpty]: Start isEmpty. Operand 590 states and 755 transitions.
[2020-07-20 14:09:29,998 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 144
[2020-07-20 14:09:29,998 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 14:09:29,998 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, 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 14:09:30,212 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 14:09:30,213 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 14:09:30,214 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 14:09:30,214 INFO  L82        PathProgramCache]: Analyzing trace with hash -328279842, now seen corresponding path program 1 times
[2020-07-20 14:09:30,214 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 14:09:30,215 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [290654826]
[2020-07-20 14:09:30,215 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 14:09:30,299 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 14:09:30,299 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 14:09:30,301 INFO  L263         TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 6 conjunts are in the unsatisfiable core
[2020-07-20 14:09:30,304 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 14:09:30,385 INFO  L134       CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 14:09:30,385 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 14:09:30,385 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [290654826]
[2020-07-20 14:09:30,386 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 14:09:30,386 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-07-20 14:09:30,386 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462905382]
[2020-07-20 14:09:30,387 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-07-20 14:09:30,388 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 14:09:30,388 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-07-20 14:09:30,388 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-07-20 14:09:30,388 INFO  L87              Difference]: Start difference. First operand 590 states and 755 transitions. Second operand 5 states.
[2020-07-20 14:09:31,375 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 14:09:31,375 INFO  L93              Difference]: Finished difference Result 1776 states and 2344 transitions.
[2020-07-20 14:09:31,377 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2020-07-20 14:09:31,377 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 143
[2020-07-20 14:09:31,378 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 14:09:31,392 INFO  L225             Difference]: With dead ends: 1776
[2020-07-20 14:09:31,392 INFO  L226             Difference]: Without dead ends: 1192
[2020-07-20 14:09:31,395 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2020-07-20 14:09:31,396 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1192 states.
[2020-07-20 14:09:31,442 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1192 to 1172.
[2020-07-20 14:09:31,445 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1172 states.
[2020-07-20 14:09:31,451 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1172 states to 1172 states and 1467 transitions.
[2020-07-20 14:09:31,451 INFO  L78                 Accepts]: Start accepts. Automaton has 1172 states and 1467 transitions. Word has length 143
[2020-07-20 14:09:31,453 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 14:09:31,453 INFO  L479      AbstractCegarLoop]: Abstraction has 1172 states and 1467 transitions.
[2020-07-20 14:09:31,453 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-07-20 14:09:31,453 INFO  L276                IsEmpty]: Start isEmpty. Operand 1172 states and 1467 transitions.
[2020-07-20 14:09:31,468 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 161
[2020-07-20 14:09:31,468 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 14:09:31,468 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 14:09:31,675 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 14:09:31,676 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 14:09:31,676 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 14:09:31,676 INFO  L82        PathProgramCache]: Analyzing trace with hash 2016829941, now seen corresponding path program 1 times
[2020-07-20 14:09:31,677 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 14:09:31,677 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [197446470]
[2020-07-20 14:09:31,677 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 14:09:31,765 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 14:09:31,766 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 14:09:31,767 INFO  L263         TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 14:09:31,770 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 14:09:31,827 INFO  L134       CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 14:09:31,827 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 14:09:31,828 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [197446470]
[2020-07-20 14:09:31,828 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 14:09:31,828 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 14:09:31,830 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597641213]
[2020-07-20 14:09:31,830 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 14:09:31,830 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 14:09:31,831 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 14:09:31,832 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 14:09:31,832 INFO  L87              Difference]: Start difference. First operand 1172 states and 1467 transitions. Second operand 3 states.
[2020-07-20 14:09:32,471 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 14:09:32,472 INFO  L93              Difference]: Finished difference Result 1605 states and 2018 transitions.
[2020-07-20 14:09:32,473 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 14:09:32,473 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 160
[2020-07-20 14:09:32,474 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 14:09:32,474 INFO  L225             Difference]: With dead ends: 1605
[2020-07-20 14:09:32,475 INFO  L226             Difference]: Without dead ends: 0
[2020-07-20 14:09:32,480 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 158 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 14:09:32,480 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-07-20 14:09:32,480 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-07-20 14:09:32,480 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-07-20 14:09:32,481 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-07-20 14:09:32,481 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 160
[2020-07-20 14:09:32,481 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 14:09:32,481 INFO  L479      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-07-20 14:09:32,481 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 14:09:32,482 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-07-20 14:09:32,482 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-07-20 14:09:32,697 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 14:09:32,701 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-07-20 14:09:33,140 WARN  L193               SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 28
[2020-07-20 14:09:33,242 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initFINAL(line -1)  no Hoare annotation was computed.
[2020-07-20 14:09:33,243 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 14:09:33,243 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initEXIT(line -1)  no Hoare annotation was computed.
[2020-07-20 14:09:33,243 INFO  L268        CegarLoopResult]: For program point  L465(lines 465 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,243 INFO  L268        CegarLoopResult]: For program point  L201-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,243 INFO  L268        CegarLoopResult]: For program point  L168-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,243 INFO  L268        CegarLoopResult]: For program point  L135-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,243 INFO  L268        CegarLoopResult]: For program point  L102-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,243 INFO  L268        CegarLoopResult]: For program point  L69-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,243 INFO  L268        CegarLoopResult]: For program point  L36-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,243 INFO  L268        CegarLoopResult]: For program point  L499(lines 499 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,243 INFO  L268        CegarLoopResult]: For program point  L301(lines 301 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,244 INFO  L268        CegarLoopResult]: For program point  L202(line 202)  no Hoare annotation was computed.
[2020-07-20 14:09:33,244 INFO  L268        CegarLoopResult]: For program point  L169(line 169)  no Hoare annotation was computed.
[2020-07-20 14:09:33,244 INFO  L268        CegarLoopResult]: For program point  L136(line 136)  no Hoare annotation was computed.
[2020-07-20 14:09:33,244 INFO  L268        CegarLoopResult]: For program point  L103(line 103)  no Hoare annotation was computed.
[2020-07-20 14:09:33,244 INFO  L268        CegarLoopResult]: For program point  L70(line 70)  no Hoare annotation was computed.
[2020-07-20 14:09:33,244 INFO  L268        CegarLoopResult]: For program point  L37(line 37)  no Hoare annotation was computed.
[2020-07-20 14:09:33,244 INFO  L268        CegarLoopResult]: For program point  L335(lines 335 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,244 INFO  L268        CegarLoopResult]: For program point  L236(lines 236 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,245 INFO  L268        CegarLoopResult]: For program point  L534(lines 534 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,245 INFO  L268        CegarLoopResult]: For program point  L171-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,245 INFO  L268        CegarLoopResult]: For program point  L138-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,245 INFO  L268        CegarLoopResult]: For program point  L105-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,245 INFO  L268        CegarLoopResult]: For program point  L72-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,245 INFO  L268        CegarLoopResult]: For program point  L39-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,245 INFO  L268        CegarLoopResult]: For program point  L436(lines 436 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,246 INFO  L268        CegarLoopResult]: For program point  L403(lines 403 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,246 INFO  L268        CegarLoopResult]: For program point  L370(lines 370 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,246 INFO  L268        CegarLoopResult]: For program point  L271(lines 271 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,246 INFO  L268        CegarLoopResult]: For program point  L172(line 172)  no Hoare annotation was computed.
[2020-07-20 14:09:33,246 INFO  L268        CegarLoopResult]: For program point  L139(line 139)  no Hoare annotation was computed.
[2020-07-20 14:09:33,246 INFO  L268        CegarLoopResult]: For program point  L106(line 106)  no Hoare annotation was computed.
[2020-07-20 14:09:33,246 INFO  L268        CegarLoopResult]: For program point  L73(line 73)  no Hoare annotation was computed.
[2020-07-20 14:09:33,246 INFO  L268        CegarLoopResult]: For program point  L40(line 40)  no Hoare annotation was computed.
[2020-07-20 14:09:33,246 INFO  L268        CegarLoopResult]: For program point  L569(lines 569 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,246 INFO  L268        CegarLoopResult]: For program point  L239(lines 239 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,246 INFO  L268        CegarLoopResult]: For program point  L504(lines 504 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,247 INFO  L268        CegarLoopResult]: For program point  L471(lines 471 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,247 INFO  L268        CegarLoopResult]: For program point  calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 115)  no Hoare annotation was computed.
[2020-07-20 14:09:33,247 INFO  L268        CegarLoopResult]: For program point  L306(lines 306 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,247 INFO  L268        CegarLoopResult]: For program point  L174-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,247 INFO  L268        CegarLoopResult]: For program point  L141-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,247 INFO  L268        CegarLoopResult]: For program point  L108-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,247 INFO  L268        CegarLoopResult]: For program point  L75-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,247 INFO  L268        CegarLoopResult]: For program point  L42-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,247 INFO  L268        CegarLoopResult]: For program point  L340(lines 340 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,247 INFO  L268        CegarLoopResult]: For program point  L175(line 175)  no Hoare annotation was computed.
[2020-07-20 14:09:33,247 INFO  L268        CegarLoopResult]: For program point  L142(line 142)  no Hoare annotation was computed.
[2020-07-20 14:09:33,248 INFO  L268        CegarLoopResult]: For program point  L109(line 109)  no Hoare annotation was computed.
[2020-07-20 14:09:33,248 INFO  L268        CegarLoopResult]: For program point  L76(line 76)  no Hoare annotation was computed.
[2020-07-20 14:09:33,248 INFO  L268        CegarLoopResult]: For program point  L43(line 43)  no Hoare annotation was computed.
[2020-07-20 14:09:33,248 INFO  L268        CegarLoopResult]: For program point  L540(lines 540 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,248 INFO  L268        CegarLoopResult]: For program point  L408(lines 408 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,248 INFO  L268        CegarLoopResult]: For program point  L375(lines 375 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,248 INFO  L268        CegarLoopResult]: For program point  L210(lines 210 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,248 INFO  L268        CegarLoopResult]: For program point  L177-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,248 INFO  L268        CegarLoopResult]: For program point  L144-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,248 INFO  L268        CegarLoopResult]: For program point  L111-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,249 INFO  L268        CegarLoopResult]: For program point  L78-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,249 INFO  L268        CegarLoopResult]: For program point  L45-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,249 INFO  L268        CegarLoopResult]: For program point  L442(lines 442 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,249 INFO  L268        CegarLoopResult]: For program point  L277(lines 277 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,249 INFO  L268        CegarLoopResult]: For program point  L244(lines 244 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,249 INFO  L268        CegarLoopResult]: For program point  L178(line 178)  no Hoare annotation was computed.
[2020-07-20 14:09:33,249 INFO  L268        CegarLoopResult]: For program point  L145(line 145)  no Hoare annotation was computed.
[2020-07-20 14:09:33,249 INFO  L268        CegarLoopResult]: For program point  L112(line 112)  no Hoare annotation was computed.
[2020-07-20 14:09:33,250 INFO  L268        CegarLoopResult]: For program point  L79(line 79)  no Hoare annotation was computed.
[2020-07-20 14:09:33,250 INFO  L268        CegarLoopResult]: For program point  L46(line 46)  no Hoare annotation was computed.
[2020-07-20 14:09:33,250 INFO  L268        CegarLoopResult]: For program point  L509(lines 509 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,250 INFO  L268        CegarLoopResult]: For program point  L476(lines 476 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,250 INFO  L268        CegarLoopResult]: For program point  L378(lines 378 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,250 INFO  L268        CegarLoopResult]: For program point  L345(lines 345 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,250 INFO  L268        CegarLoopResult]: For program point  L312(lines 312 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,250 INFO  L268        CegarLoopResult]: For program point  L180-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,250 INFO  L268        CegarLoopResult]: For program point  L147-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,251 INFO  L268        CegarLoopResult]: For program point  L114-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,251 INFO  L268        CegarLoopResult]: For program point  L81-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,251 INFO  L268        CegarLoopResult]: For program point  L48-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,251 INFO  L268        CegarLoopResult]: For program point  L181(line 181)  no Hoare annotation was computed.
[2020-07-20 14:09:33,251 INFO  L268        CegarLoopResult]: For program point  L148(line 148)  no Hoare annotation was computed.
[2020-07-20 14:09:33,251 INFO  L268        CegarLoopResult]: For program point  L115(line 115)  no Hoare annotation was computed.
[2020-07-20 14:09:33,251 INFO  L268        CegarLoopResult]: For program point  L82(line 82)  no Hoare annotation was computed.
[2020-07-20 14:09:33,251 INFO  L268        CegarLoopResult]: For program point  L49(line 49)  no Hoare annotation was computed.
[2020-07-20 14:09:33,251 INFO  L268        CegarLoopResult]: For program point  L545(lines 545 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,251 INFO  L268        CegarLoopResult]: For program point  L215(lines 215 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,251 INFO  L268        CegarLoopResult]: For program point  L414(lines 414 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,252 INFO  L268        CegarLoopResult]: For program point  L249(lines 249 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,252 INFO  L268        CegarLoopResult]: For program point  L183-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,252 INFO  L268        CegarLoopResult]: For program point  L150-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,252 INFO  L268        CegarLoopResult]: For program point  L117-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,252 INFO  L268        CegarLoopResult]: For program point  L84-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,252 INFO  L268        CegarLoopResult]: For program point  L51-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,252 INFO  L268        CegarLoopResult]: For program point  calculate_outputFINAL(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,252 INFO  L268        CegarLoopResult]: For program point  calculate_outputEXIT(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,252 INFO  L268        CegarLoopResult]: For program point  L514(lines 514 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,252 INFO  L268        CegarLoopResult]: For program point  L481(lines 481 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,252 INFO  L268        CegarLoopResult]: For program point  L448(lines 448 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,252 INFO  L268        CegarLoopResult]: For program point  L283(lines 283 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,253 INFO  L268        CegarLoopResult]: For program point  L184(line 184)  no Hoare annotation was computed.
[2020-07-20 14:09:33,253 INFO  L268        CegarLoopResult]: For program point  L151(line 151)  no Hoare annotation was computed.
[2020-07-20 14:09:33,253 INFO  L268        CegarLoopResult]: For program point  L118(line 118)  no Hoare annotation was computed.
[2020-07-20 14:09:33,253 INFO  L268        CegarLoopResult]: For program point  L85(line 85)  no Hoare annotation was computed.
[2020-07-20 14:09:33,253 INFO  L268        CegarLoopResult]: For program point  L52(line 52)  no Hoare annotation was computed.
[2020-07-20 14:09:33,253 INFO  L268        CegarLoopResult]: For program point  L548(lines 548 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,253 INFO  L268        CegarLoopResult]: For program point  L383(lines 383 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,253 INFO  L268        CegarLoopResult]: For program point  L317(lines 317 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,253 INFO  L268        CegarLoopResult]: For program point  L351(lines 351 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,253 INFO  L268        CegarLoopResult]: For program point  L186-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,253 INFO  L268        CegarLoopResult]: For program point  L153-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,254 INFO  L268        CegarLoopResult]: For program point  L120-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,254 INFO  L268        CegarLoopResult]: For program point  L87-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,254 INFO  L268        CegarLoopResult]: For program point  L21(lines 21 23)  no Hoare annotation was computed.
[2020-07-20 14:09:33,254 INFO  L268        CegarLoopResult]: For program point  L54-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,254 INFO  L268        CegarLoopResult]: For program point  L21-2(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,254 INFO  L268        CegarLoopResult]: For program point  L517(lines 517 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,254 INFO  L268        CegarLoopResult]: For program point  L286(lines 286 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,254 INFO  L268        CegarLoopResult]: For program point  L220(lines 220 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,254 INFO  L268        CegarLoopResult]: For program point  L187(line 187)  no Hoare annotation was computed.
[2020-07-20 14:09:33,254 INFO  L268        CegarLoopResult]: For program point  L154(line 154)  no Hoare annotation was computed.
[2020-07-20 14:09:33,255 INFO  L268        CegarLoopResult]: For program point  L121(line 121)  no Hoare annotation was computed.
[2020-07-20 14:09:33,255 INFO  L268        CegarLoopResult]: For program point  L88(line 88)  no Hoare annotation was computed.
[2020-07-20 14:09:33,255 INFO  L268        CegarLoopResult]: For program point  L55(line 55)  no Hoare annotation was computed.
[2020-07-20 14:09:33,255 INFO  L268        CegarLoopResult]: For program point  L22(line 22)  no Hoare annotation was computed.
[2020-07-20 14:09:33,255 INFO  L268        CegarLoopResult]: For program point  L419(lines 419 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,255 INFO  L268        CegarLoopResult]: For program point  L320(lines 320 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,255 INFO  L268        CegarLoopResult]: For program point  L254(lines 254 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,255 INFO  L268        CegarLoopResult]: For program point  L354(lines 354 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,255 INFO  L268        CegarLoopResult]: For program point  L189-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,256 INFO  L268        CegarLoopResult]: For program point  L156-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,256 INFO  L268        CegarLoopResult]: For program point  L123-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,256 INFO  L268        CegarLoopResult]: For program point  L90-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,256 INFO  L268        CegarLoopResult]: For program point  L57-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,256 INFO  L268        CegarLoopResult]: For program point  L24-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,256 INFO  L268        CegarLoopResult]: For program point  L487(lines 487 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,256 INFO  L268        CegarLoopResult]: For program point  L454(lines 454 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,256 INFO  L268        CegarLoopResult]: For program point  L388(lines 388 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,256 INFO  L268        CegarLoopResult]: For program point  L190(line 190)  no Hoare annotation was computed.
[2020-07-20 14:09:33,257 INFO  L268        CegarLoopResult]: For program point  L157(line 157)  no Hoare annotation was computed.
[2020-07-20 14:09:33,257 INFO  L268        CegarLoopResult]: For program point  L124(line 124)  no Hoare annotation was computed.
[2020-07-20 14:09:33,257 INFO  L268        CegarLoopResult]: For program point  L91(line 91)  no Hoare annotation was computed.
[2020-07-20 14:09:33,257 INFO  L268        CegarLoopResult]: For program point  L58(line 58)  no Hoare annotation was computed.
[2020-07-20 14:09:33,257 INFO  L268        CegarLoopResult]: For program point  L25(line 25)  no Hoare annotation was computed.
[2020-07-20 14:09:33,257 INFO  L268        CegarLoopResult]: For program point  L554(lines 554 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,257 INFO  L268        CegarLoopResult]: For program point  L323(lines 323 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,257 INFO  L264        CegarLoopResult]: At program point  calculate_outputENTRY(lines 20 574)  the Hoare annotation is:  (let ((.cse0 (<= ~a10~0 |old(~a10~0)|)) (.cse1 (<= ~a19~0 |old(~a19~0)|))) (let ((.cse3 (not (<= |old(~a1~0)| 23))) (.cse2 (not (<= 1 |old(~a10~0)|))) (.cse4 (and .cse0 .cse1))) (and (or (and .cse0 (<= 8 ~a19~0) .cse1) (not (<= 8 |old(~a19~0)|))) (or .cse2 (<= 1 ~a10~0)) (or .cse3 (<= ~a1~0 23)) (or .cse3 .cse4) (or .cse2 .cse4))))
[2020-07-20 14:09:33,258 INFO  L268        CegarLoopResult]: For program point  L357(lines 357 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,258 INFO  L268        CegarLoopResult]: For program point  L291(lines 291 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,258 INFO  L268        CegarLoopResult]: For program point  L225(lines 225 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,258 INFO  L268        CegarLoopResult]: For program point  L192-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,258 INFO  L268        CegarLoopResult]: For program point  L159-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,258 INFO  L268        CegarLoopResult]: For program point  L126-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,258 INFO  L268        CegarLoopResult]: For program point  L93-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,258 INFO  L268        CegarLoopResult]: For program point  L60-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,259 INFO  L268        CegarLoopResult]: For program point  L27-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,259 INFO  L268        CegarLoopResult]: For program point  L523(lines 523 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,259 INFO  L268        CegarLoopResult]: For program point  L193(line 193)  no Hoare annotation was computed.
[2020-07-20 14:09:33,259 INFO  L268        CegarLoopResult]: For program point  L160(line 160)  no Hoare annotation was computed.
[2020-07-20 14:09:33,259 INFO  L268        CegarLoopResult]: For program point  L127(line 127)  no Hoare annotation was computed.
[2020-07-20 14:09:33,259 INFO  L268        CegarLoopResult]: For program point  L94(line 94)  no Hoare annotation was computed.
[2020-07-20 14:09:33,259 INFO  L268        CegarLoopResult]: For program point  L61(line 61)  no Hoare annotation was computed.
[2020-07-20 14:09:33,259 INFO  L268        CegarLoopResult]: For program point  L28(line 28)  no Hoare annotation was computed.
[2020-07-20 14:09:33,259 INFO  L268        CegarLoopResult]: For program point  L557(lines 557 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,259 INFO  L268        CegarLoopResult]: For program point  L425(lines 425 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,259 INFO  L268        CegarLoopResult]: For program point  L326(lines 326 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,259 INFO  L268        CegarLoopResult]: For program point  L260(lines 260 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,260 INFO  L268        CegarLoopResult]: For program point  L393(lines 393 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,260 INFO  L268        CegarLoopResult]: For program point  L360(lines 360 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,260 INFO  L268        CegarLoopResult]: For program point  L195-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,260 INFO  L268        CegarLoopResult]: For program point  L162-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,260 INFO  L268        CegarLoopResult]: For program point  L129-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,260 INFO  L268        CegarLoopResult]: For program point  L96-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,260 INFO  L268        CegarLoopResult]: For program point  L63-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,260 INFO  L268        CegarLoopResult]: For program point  L30-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,260 INFO  L268        CegarLoopResult]: For program point  L526(lines 526 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,260 INFO  L268        CegarLoopResult]: For program point  L493(lines 493 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,261 INFO  L268        CegarLoopResult]: For program point  L460(lines 460 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,261 INFO  L268        CegarLoopResult]: For program point  L196(line 196)  no Hoare annotation was computed.
[2020-07-20 14:09:33,261 INFO  L268        CegarLoopResult]: For program point  L163(line 163)  no Hoare annotation was computed.
[2020-07-20 14:09:33,261 INFO  L268        CegarLoopResult]: For program point  L130(line 130)  no Hoare annotation was computed.
[2020-07-20 14:09:33,261 INFO  L268        CegarLoopResult]: For program point  L97(line 97)  no Hoare annotation was computed.
[2020-07-20 14:09:33,261 INFO  L268        CegarLoopResult]: For program point  L64(line 64)  no Hoare annotation was computed.
[2020-07-20 14:09:33,261 INFO  L268        CegarLoopResult]: For program point  L31(line 31)  no Hoare annotation was computed.
[2020-07-20 14:09:33,261 INFO  L268        CegarLoopResult]: For program point  L329(lines 329 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,261 INFO  L268        CegarLoopResult]: For program point  L296(lines 296 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,261 INFO  L268        CegarLoopResult]: For program point  L231(lines 231 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,261 INFO  L268        CegarLoopResult]: For program point  L198-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,261 INFO  L268        CegarLoopResult]: For program point  L165-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,261 INFO  L268        CegarLoopResult]: For program point  L132-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,261 INFO  L268        CegarLoopResult]: For program point  L99-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,262 INFO  L268        CegarLoopResult]: For program point  L66-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,262 INFO  L268        CegarLoopResult]: For program point  L33-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 14:09:33,262 INFO  L268        CegarLoopResult]: For program point  L529(lines 529 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,262 INFO  L268        CegarLoopResult]: For program point  L430(lines 430 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,262 INFO  L268        CegarLoopResult]: For program point  L265(lines 265 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,262 INFO  L268        CegarLoopResult]: For program point  L199(line 199)  no Hoare annotation was computed.
[2020-07-20 14:09:33,262 INFO  L268        CegarLoopResult]: For program point  L166(line 166)  no Hoare annotation was computed.
[2020-07-20 14:09:33,262 INFO  L268        CegarLoopResult]: For program point  L133(line 133)  no Hoare annotation was computed.
[2020-07-20 14:09:33,262 INFO  L268        CegarLoopResult]: For program point  L100(line 100)  no Hoare annotation was computed.
[2020-07-20 14:09:33,262 INFO  L268        CegarLoopResult]: For program point  L67(line 67)  no Hoare annotation was computed.
[2020-07-20 14:09:33,262 INFO  L268        CegarLoopResult]: For program point  L34(line 34)  no Hoare annotation was computed.
[2020-07-20 14:09:33,262 INFO  L268        CegarLoopResult]: For program point  L563(lines 563 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,263 INFO  L268        CegarLoopResult]: For program point  L398(lines 398 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,263 INFO  L268        CegarLoopResult]: For program point  L365(lines 365 572)  no Hoare annotation was computed.
[2020-07-20 14:09:33,263 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2020-07-20 14:09:33,263 INFO  L264        CegarLoopResult]: At program point  L-1(line -1)  the Hoare annotation is:  (and (<= ~a10~0 0) (<= ~a19~0 9) (<= 8 ~a19~0) (<= ~a1~0 23))
[2020-07-20 14:09:33,263 INFO  L271        CegarLoopResult]: At program point  ULTIMATE.startENTRY(line -1)  the Hoare annotation is:  true
[2020-07-20 14:09:33,263 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2020-07-20 14:09:33,263 INFO  L264        CegarLoopResult]: At program point  mainENTRY(lines 576 592)  the Hoare annotation is:  (or (and (<= ~a10~0 |old(~a10~0)|) (<= 8 ~a19~0) (<= ~a1~0 23) (<= ~a19~0 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a10~0)| 0)) (not (<= 8 |old(~a19~0)|)) (not (<= |old(~a19~0)| 9)))
[2020-07-20 14:09:33,264 INFO  L268        CegarLoopResult]: For program point  mainEXIT(lines 576 592)  no Hoare annotation was computed.
[2020-07-20 14:09:33,264 INFO  L264        CegarLoopResult]: At program point  L590(line 590)  the Hoare annotation is:  (or (not (<= |old(~a1~0)| 23)) (<= 8 ~a19~0) (<= ~a1~0 23) (not (<= |old(~a10~0)| 0)) (<= 1 ~a10~0) (not (<= 8 |old(~a19~0)|)) (not (<= |old(~a19~0)| 9)))
[2020-07-20 14:09:33,264 INFO  L268        CegarLoopResult]: For program point  L590-1(line 590)  no Hoare annotation was computed.
[2020-07-20 14:09:33,264 INFO  L268        CegarLoopResult]: For program point  L587(line 587)  no Hoare annotation was computed.
[2020-07-20 14:09:33,264 INFO  L264        CegarLoopResult]: At program point  L582-2(lines 582 591)  the Hoare annotation is:  (or (not (<= |old(~a1~0)| 23)) (<= 8 ~a19~0) (<= ~a1~0 23) (not (<= |old(~a10~0)| 0)) (<= 1 ~a10~0) (not (<= 8 |old(~a19~0)|)) (not (<= |old(~a19~0)| 9)))
[2020-07-20 14:09:33,264 INFO  L268        CegarLoopResult]: For program point  L582-3(lines 576 592)  no Hoare annotation was computed.
[2020-07-20 14:09:33,283 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 02:09:33 BoogieIcfgContainer
[2020-07-20 14:09:33,283 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-20 14:09:33,285 INFO  L168              Benchmark]: Toolchain (without parser) took 9757.87 ms. Allocated memory was 145.2 MB in the beginning and 325.1 MB in the end (delta: 179.8 MB). Free memory was 101.6 MB in the beginning and 108.6 MB in the end (delta: -7.0 MB). Peak memory consumption was 172.8 MB. Max. memory is 7.1 GB.
[2020-07-20 14:09:33,286 INFO  L168              Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 145.2 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-07-20 14:09:33,287 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 687.59 ms. Allocated memory was 145.2 MB in the beginning and 205.0 MB in the end (delta: 59.8 MB). Free memory was 101.1 MB in the beginning and 171.7 MB in the end (delta: -70.5 MB). Peak memory consumption was 31.2 MB. Max. memory is 7.1 GB.
[2020-07-20 14:09:33,288 INFO  L168              Benchmark]: Boogie Preprocessor took 105.82 ms. Allocated memory is still 205.0 MB. Free memory was 171.7 MB in the beginning and 166.6 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB.
[2020-07-20 14:09:33,289 INFO  L168              Benchmark]: RCFGBuilder took 1427.74 ms. Allocated memory was 205.0 MB in the beginning and 237.5 MB in the end (delta: 32.5 MB). Free memory was 166.6 MB in the beginning and 182.4 MB in the end (delta: -15.9 MB). Peak memory consumption was 83.9 MB. Max. memory is 7.1 GB.
[2020-07-20 14:09:33,290 INFO  L168              Benchmark]: TraceAbstraction took 7529.81 ms. Allocated memory was 237.5 MB in the beginning and 325.1 MB in the end (delta: 87.6 MB). Free memory was 182.4 MB in the beginning and 108.6 MB in the end (delta: 73.9 MB). Peak memory consumption was 161.4 MB. Max. memory is 7.1 GB.
[2020-07-20 14:09:33,294 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.31 ms. Allocated memory is still 145.2 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 687.59 ms. Allocated memory was 145.2 MB in the beginning and 205.0 MB in the end (delta: 59.8 MB). Free memory was 101.1 MB in the beginning and 171.7 MB in the end (delta: -70.5 MB). Peak memory consumption was 31.2 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 105.82 ms. Allocated memory is still 205.0 MB. Free memory was 171.7 MB in the beginning and 166.6 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1427.74 ms. Allocated memory was 205.0 MB in the beginning and 237.5 MB in the end (delta: 32.5 MB). Free memory was 166.6 MB in the beginning and 182.4 MB in the end (delta: -15.9 MB). Peak memory consumption was 83.9 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 7529.81 ms. Allocated memory was 237.5 MB in the beginning and 325.1 MB in the end (delta: 87.6 MB). Free memory was 182.4 MB in the beginning and 108.6 MB in the end (delta: 73.9 MB). Peak memory consumption was 161.4 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 115]: 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: (((((!(\old(a1) <= 23) || 8 <= a19) || a1 <= 23) || !(\old(a10) <= 0)) || 1 <= a10) || !(8 <= \old(a19))) || !(\old(a19) <= 9)
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.8s, OverallIterations: 5, TraceHistogramMax: 2, AutomataDifference: 4.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 297 SDtfs, 1093 SDslu, 98 SDs, 0 SdLazy, 2390 SolverSat, 514 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 584 GetRequests, 571 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1172occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 32 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 28 PreInvPairs, 50 NumberOfFragments, 159 HoareAnnotationTreeSize, 28 FomulaSimplifications, 474 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 333 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 585 NumberOfCodeBlocks, 585 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 580 ConstructedInterpolants, 0 QuantifiedInterpolants, 148758 SizeOfPredicates, 10 NumberOfNonLiveVariables, 1228 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 144/144 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Received shutdown request...