java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label18.c


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This is Ultimate 0.1.24-f4eb214f-m
[2019-10-13 21:40:13,064 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-10-13 21:40:13,066 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-10-13 21:40:13,085 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-10-13 21:40:13,086 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-10-13 21:40:13,088 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-10-13 21:40:13,090 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-10-13 21:40:13,102 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-10-13 21:40:13,103 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-10-13 21:40:13,105 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-10-13 21:40:13,106 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
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[2019-10-13 21:40:13,108 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
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[2019-10-13 21:40:13,112 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-10-13 21:40:13,113 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-10-13 21:40:13,114 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-10-13 21:40:13,115 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-10-13 21:40:13,116 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-10-13 21:40:13,118 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-10-13 21:40:13,121 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-10-13 21:40:13,121 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-10-13 21:40:13,122 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-10-13 21:40:13,123 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-10-13 21:40:13,125 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2019-10-13 21:40:13,127 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-10-13 21:40:13,128 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
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[2019-10-13 21:40:13,130 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
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[2019-10-13 21:40:13,135 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-10-13 21:40:13,135 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
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[2019-10-13 21:40:13,138 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2019-10-13 21:40:13,140 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-10-13 21:40:13,140 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
[2019-10-13 21:40:13,158 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-10-13 21:40:13,158 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-10-13 21:40:13,159 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-10-13 21:40:13,159 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-10-13 21:40:13,160 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-10-13 21:40:13,160 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-10-13 21:40:13,160 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-10-13 21:40:13,160 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-10-13 21:40:13,160 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-10-13 21:40:13,161 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-10-13 21:40:13,161 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-10-13 21:40:13,161 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-10-13 21:40:13,161 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-10-13 21:40:13,161 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-10-13 21:40:13,162 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-10-13 21:40:13,162 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-10-13 21:40:13,162 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-10-13 21:40:13,162 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-10-13 21:40:13,162 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-10-13 21:40:13,163 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-10-13 21:40:13,163 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-10-13 21:40:13,163 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-10-13 21:40:13,163 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-10-13 21:40:13,163 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-10-13 21:40:13,164 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-10-13 21:40:13,164 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-10-13 21:40:13,164 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-10-13 21:40:13,164 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-10-13 21:40:13,164 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK
[2019-10-13 21:40:13,415 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-10-13 21:40:13,430 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-10-13 21:40:13,434 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-10-13 21:40:13,435 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-10-13 21:40:13,436 INFO  L275        PluginConnector]: CDTParser initialized
[2019-10-13 21:40:13,436 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label18.c
[2019-10-13 21:40:13,504 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b71a02cc/9cebee2dfcc34d9599c1fe72b6c7b3f0/FLAGcaf352d9d
[2019-10-13 21:40:14,090 INFO  L306              CDTParser]: Found 1 translation units.
[2019-10-13 21:40:14,090 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label18.c
[2019-10-13 21:40:14,102 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b71a02cc/9cebee2dfcc34d9599c1fe72b6c7b3f0/FLAGcaf352d9d
[2019-10-13 21:40:14,388 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b71a02cc/9cebee2dfcc34d9599c1fe72b6c7b3f0
[2019-10-13 21:40:14,397 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-10-13 21:40:14,399 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2019-10-13 21:40:14,400 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-10-13 21:40:14,400 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-10-13 21:40:14,403 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-10-13 21:40:14,404 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:40:14" (1/1) ...
[2019-10-13 21:40:14,407 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5014cfc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:40:14, skipping insertion in model container
[2019-10-13 21:40:14,407 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:40:14" (1/1) ...
[2019-10-13 21:40:14,415 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-10-13 21:40:14,473 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-10-13 21:40:14,964 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-10-13 21:40:14,969 INFO  L188         MainTranslator]: Completed pre-run
[2019-10-13 21:40:15,096 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-10-13 21:40:15,114 INFO  L192         MainTranslator]: Completed translation
[2019-10-13 21:40:15,114 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:40:15 WrapperNode
[2019-10-13 21:40:15,114 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-10-13 21:40:15,115 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-10-13 21:40:15,115 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-10-13 21:40:15,115 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-10-13 21:40:15,125 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:40:15" (1/1) ...
[2019-10-13 21:40:15,125 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:40:15" (1/1) ...
[2019-10-13 21:40:15,143 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:40:15" (1/1) ...
[2019-10-13 21:40:15,143 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:40:15" (1/1) ...
[2019-10-13 21:40:15,200 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:40:15" (1/1) ...
[2019-10-13 21:40:15,221 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:40:15" (1/1) ...
[2019-10-13 21:40:15,228 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:40:15" (1/1) ...
[2019-10-13 21:40:15,242 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-10-13 21:40:15,245 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-10-13 21:40:15,245 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-10-13 21:40:15,246 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-10-13 21:40:15,247 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:40:15" (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
[2019-10-13 21:40:15,301 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-10-13 21:40:15,301 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-10-13 21:40:15,301 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output
[2019-10-13 21:40:15,301 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-10-13 21:40:15,301 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output
[2019-10-13 21:40:15,302 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-10-13 21:40:15,302 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-10-13 21:40:15,302 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2019-10-13 21:40:15,302 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-10-13 21:40:15,302 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-10-13 21:40:15,303 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-10-13 21:40:16,989 INFO  L279             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-10-13 21:40:16,990 INFO  L284             CfgBuilder]: Removed 1 assume(true) statements.
[2019-10-13 21:40:16,991 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:40:16 BoogieIcfgContainer
[2019-10-13 21:40:16,991 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-10-13 21:40:16,992 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-10-13 21:40:16,992 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2019-10-13 21:40:16,995 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2019-10-13 21:40:16,996 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:40:14" (1/3) ...
[2019-10-13 21:40:16,996 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c5d8165 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:40:16, skipping insertion in model container
[2019-10-13 21:40:16,997 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:40:15" (2/3) ...
[2019-10-13 21:40:16,997 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c5d8165 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:40:16, skipping insertion in model container
[2019-10-13 21:40:16,997 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:40:16" (3/3) ...
[2019-10-13 21:40:16,999 INFO  L109   eAbstractionObserver]: Analyzing ICFG Problem01_label18.c
[2019-10-13 21:40:17,011 INFO  L152   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-10-13 21:40:17,021 INFO  L164   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2019-10-13 21:40:17,032 INFO  L249      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2019-10-13 21:40:17,057 INFO  L373      AbstractCegarLoop]: Interprodecural is true
[2019-10-13 21:40:17,057 INFO  L374      AbstractCegarLoop]: Hoare is true
[2019-10-13 21:40:17,057 INFO  L375      AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-10-13 21:40:17,057 INFO  L376      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-10-13 21:40:17,058 INFO  L377      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-10-13 21:40:17,058 INFO  L378      AbstractCegarLoop]: Difference is false
[2019-10-13 21:40:17,058 INFO  L379      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-10-13 21:40:17,058 INFO  L383      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-10-13 21:40:17,078 INFO  L276                IsEmpty]: Start isEmpty. Operand 86 states.
[2019-10-13 21:40:17,086 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 78
[2019-10-13 21:40:17,086 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-13 21:40:17,087 INFO  L380         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 21:40:17,089 INFO  L410      AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 21:40:17,094 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 21:40:17,095 INFO  L82        PathProgramCache]: Analyzing trace with hash 826818404, now seen corresponding path program 1 times
[2019-10-13 21:40:17,102 INFO  L157   tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2019-10-13 21:40:17,102 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412165397]
[2019-10-13 21:40:17,102 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:40:17,103 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:40:17,103 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 21:40:17,283 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 21:40:17,618 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-13 21:40:17,619 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412165397]
[2019-10-13 21:40:17,620 INFO  L223   tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 21:40:17,621 INFO  L236   tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2019-10-13 21:40:17,621 INFO  L342   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153606417]
[2019-10-13 21:40:17,627 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 4 states
[2019-10-13 21:40:17,628 INFO  L137   tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2019-10-13 21:40:17,641 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2019-10-13 21:40:17,643 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2019-10-13 21:40:17,645 INFO  L87              Difference]: Start difference. First operand 86 states. Second operand 4 states.
[2019-10-13 21:40:18,395 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 21:40:18,396 INFO  L93              Difference]: Finished difference Result 325 states and 606 transitions.
[2019-10-13 21:40:18,397 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2019-10-13 21:40:18,399 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 77
[2019-10-13 21:40:18,400 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 21:40:18,422 INFO  L225             Difference]: With dead ends: 325
[2019-10-13 21:40:18,422 INFO  L226             Difference]: Without dead ends: 232
[2019-10-13 21:40:18,428 INFO  L600         BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2019-10-13 21:40:18,448 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 232 states.
[2019-10-13 21:40:18,511 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 157.
[2019-10-13 21:40:18,513 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 157 states.
[2019-10-13 21:40:18,519 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 285 transitions.
[2019-10-13 21:40:18,521 INFO  L78                 Accepts]: Start accepts. Automaton has 157 states and 285 transitions. Word has length 77
[2019-10-13 21:40:18,522 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-10-13 21:40:18,522 INFO  L462      AbstractCegarLoop]: Abstraction has 157 states and 285 transitions.
[2019-10-13 21:40:18,523 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2019-10-13 21:40:18,523 INFO  L276                IsEmpty]: Start isEmpty. Operand 157 states and 285 transitions.
[2019-10-13 21:40:18,530 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 88
[2019-10-13 21:40:18,531 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-13 21:40:18,531 INFO  L380         BasicCegarLoop]: trace histogram [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]
[2019-10-13 21:40:18,531 INFO  L410      AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 21:40:18,532 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 21:40:18,533 INFO  L82        PathProgramCache]: Analyzing trace with hash -1195668229, now seen corresponding path program 1 times
[2019-10-13 21:40:18,533 INFO  L157   tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2019-10-13 21:40:18,534 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560608686]
[2019-10-13 21:40:18,534 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:40:18,534 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:40:18,534 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 21:40:18,577 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 21:40:18,682 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-13 21:40:18,683 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560608686]
[2019-10-13 21:40:18,683 INFO  L223   tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 21:40:18,683 INFO  L236   tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2019-10-13 21:40:18,683 INFO  L342   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777729884]
[2019-10-13 21:40:18,685 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 6 states
[2019-10-13 21:40:18,685 INFO  L137   tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2019-10-13 21:40:18,685 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2019-10-13 21:40:18,686 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2019-10-13 21:40:18,686 INFO  L87              Difference]: Start difference. First operand 157 states and 285 transitions. Second operand 6 states.
[2019-10-13 21:40:19,231 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 21:40:19,231 INFO  L93              Difference]: Finished difference Result 402 states and 744 transitions.
[2019-10-13 21:40:19,232 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2019-10-13 21:40:19,232 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 87
[2019-10-13 21:40:19,232 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 21:40:19,235 INFO  L225             Difference]: With dead ends: 402
[2019-10-13 21:40:19,235 INFO  L226             Difference]: Without dead ends: 250
[2019-10-13 21:40:19,237 INFO  L600         BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72
[2019-10-13 21:40:19,238 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 250 states.
[2019-10-13 21:40:19,256 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 236.
[2019-10-13 21:40:19,257 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 236 states.
[2019-10-13 21:40:19,258 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 416 transitions.
[2019-10-13 21:40:19,259 INFO  L78                 Accepts]: Start accepts. Automaton has 236 states and 416 transitions. Word has length 87
[2019-10-13 21:40:19,259 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-10-13 21:40:19,259 INFO  L462      AbstractCegarLoop]: Abstraction has 236 states and 416 transitions.
[2019-10-13 21:40:19,259 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2019-10-13 21:40:19,259 INFO  L276                IsEmpty]: Start isEmpty. Operand 236 states and 416 transitions.
[2019-10-13 21:40:19,262 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 89
[2019-10-13 21:40:19,262 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-13 21:40:19,262 INFO  L380         BasicCegarLoop]: trace histogram [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]
[2019-10-13 21:40:19,263 INFO  L410      AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 21:40:19,263 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 21:40:19,263 INFO  L82        PathProgramCache]: Analyzing trace with hash -2128689833, now seen corresponding path program 1 times
[2019-10-13 21:40:19,263 INFO  L157   tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2019-10-13 21:40:19,264 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096217849]
[2019-10-13 21:40:19,264 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:40:19,264 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:40:19,264 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 21:40:19,288 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 21:40:19,383 INFO  L134       CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-13 21:40:19,384 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096217849]
[2019-10-13 21:40:19,384 INFO  L223   tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 21:40:19,384 INFO  L236   tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2019-10-13 21:40:19,385 INFO  L342   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054054406]
[2019-10-13 21:40:19,385 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 4 states
[2019-10-13 21:40:19,385 INFO  L137   tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2019-10-13 21:40:19,386 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2019-10-13 21:40:19,389 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2019-10-13 21:40:19,390 INFO  L87              Difference]: Start difference. First operand 236 states and 416 transitions. Second operand 4 states.
[2019-10-13 21:40:20,056 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 21:40:20,057 INFO  L93              Difference]: Finished difference Result 617 states and 1114 transitions.
[2019-10-13 21:40:20,060 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2019-10-13 21:40:20,060 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 88
[2019-10-13 21:40:20,061 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 21:40:20,064 INFO  L225             Difference]: With dead ends: 617
[2019-10-13 21:40:20,064 INFO  L226             Difference]: Without dead ends: 386
[2019-10-13 21:40:20,066 INFO  L600         BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2019-10-13 21:40:20,067 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 386 states.
[2019-10-13 21:40:20,089 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 311.
[2019-10-13 21:40:20,089 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 311 states.
[2019-10-13 21:40:20,091 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 521 transitions.
[2019-10-13 21:40:20,092 INFO  L78                 Accepts]: Start accepts. Automaton has 311 states and 521 transitions. Word has length 88
[2019-10-13 21:40:20,092 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-10-13 21:40:20,093 INFO  L462      AbstractCegarLoop]: Abstraction has 311 states and 521 transitions.
[2019-10-13 21:40:20,093 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2019-10-13 21:40:20,093 INFO  L276                IsEmpty]: Start isEmpty. Operand 311 states and 521 transitions.
[2019-10-13 21:40:20,096 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 93
[2019-10-13 21:40:20,096 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-13 21:40:20,096 INFO  L380         BasicCegarLoop]: trace histogram [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]
[2019-10-13 21:40:20,096 INFO  L410      AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 21:40:20,097 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 21:40:20,097 INFO  L82        PathProgramCache]: Analyzing trace with hash 1557874767, now seen corresponding path program 1 times
[2019-10-13 21:40:20,097 INFO  L157   tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2019-10-13 21:40:20,097 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944193626]
[2019-10-13 21:40:20,097 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:40:20,098 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:40:20,098 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 21:40:20,119 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 21:40:20,185 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-13 21:40:20,185 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944193626]
[2019-10-13 21:40:20,186 INFO  L223   tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 21:40:20,186 INFO  L236   tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-10-13 21:40:20,186 INFO  L342   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515421528]
[2019-10-13 21:40:20,187 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-10-13 21:40:20,187 INFO  L137   tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2019-10-13 21:40:20,187 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-10-13 21:40:20,188 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-10-13 21:40:20,188 INFO  L87              Difference]: Start difference. First operand 311 states and 521 transitions. Second operand 3 states.
[2019-10-13 21:40:20,579 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 21:40:20,580 INFO  L93              Difference]: Finished difference Result 842 states and 1445 transitions.
[2019-10-13 21:40:20,580 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2019-10-13 21:40:20,580 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 92
[2019-10-13 21:40:20,581 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 21:40:20,582 INFO  L225             Difference]: With dead ends: 842
[2019-10-13 21:40:20,582 INFO  L226             Difference]: Without dead ends: 0
[2019-10-13 21:40:20,584 INFO  L600         BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-10-13 21:40:20,584 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2019-10-13 21:40:20,585 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2019-10-13 21:40:20,585 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2019-10-13 21:40:20,585 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2019-10-13 21:40:20,585 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 92
[2019-10-13 21:40:20,585 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-10-13 21:40:20,586 INFO  L462      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2019-10-13 21:40:20,586 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-10-13 21:40:20,586 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2019-10-13 21:40:20,586 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2019-10-13 21:40:20,591 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2019-10-13 21:40:20,836 WARN  L191               SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 33
[2019-10-13 21:40:20,924 INFO  L439   ceAbstractionStarter]: At program point  ULTIMATE.initENTRY(line -1)  the Hoare annotation is:  (= ~a16~0 |old(~a16~0)|)
[2019-10-13 21:40:20,924 INFO  L443   ceAbstractionStarter]: For program point  ULTIMATE.initEXIT(line -1)  no Hoare annotation was computed.
[2019-10-13 21:40:20,925 INFO  L443   ceAbstractionStarter]: For program point  L333(lines 333 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,925 INFO  L443   ceAbstractionStarter]: For program point  L102(lines 102 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,925 INFO  L443   ceAbstractionStarter]: For program point  L268(lines 268 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,925 INFO  L443   ceAbstractionStarter]: For program point  L136(lines 136 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,925 INFO  L443   ceAbstractionStarter]: For program point  L203(lines 203 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,925 INFO  L443   ceAbstractionStarter]: For program point  L72(lines 72 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,925 INFO  L443   ceAbstractionStarter]: For program point  L337(lines 337 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,926 INFO  L443   ceAbstractionStarter]: For program point  L238(lines 238 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,926 INFO  L443   ceAbstractionStarter]: For program point  L173(lines 173 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,926 INFO  L443   ceAbstractionStarter]: For program point  L140(lines 140 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,926 INFO  L443   ceAbstractionStarter]: For program point  L372(lines 372 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,926 INFO  L443   ceAbstractionStarter]: For program point  L306(lines 306 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,926 INFO  L443   ceAbstractionStarter]: For program point  L273(lines 273 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,927 INFO  L443   ceAbstractionStarter]: For program point  L108(lines 108 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,927 INFO  L443   ceAbstractionStarter]: For program point  L472-1(lines 30 575)  no Hoare annotation was computed.
[2019-10-13 21:40:20,927 INFO  L443   ceAbstractionStarter]: For program point  L208(lines 208 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,927 INFO  L443   ceAbstractionStarter]: For program point  L43(lines 43 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,927 INFO  L443   ceAbstractionStarter]: For program point  L144(lines 144 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,927 INFO  L443   ceAbstractionStarter]: For program point  L475-1(lines 30 575)  no Hoare annotation was computed.
[2019-10-13 21:40:20,927 INFO  L443   ceAbstractionStarter]: For program point  L178(lines 178 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,928 INFO  L443   ceAbstractionStarter]: For program point  L476(line 476)  no Hoare annotation was computed.
[2019-10-13 21:40:20,928 INFO  L443   ceAbstractionStarter]: For program point  L377(lines 377 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,928 INFO  L443   ceAbstractionStarter]: For program point  L278(lines 278 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,928 INFO  L443   ceAbstractionStarter]: For program point  L245(lines 245 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,928 INFO  L443   ceAbstractionStarter]: For program point  L80(lines 80 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,928 INFO  L443   ceAbstractionStarter]: For program point  L345(lines 345 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,928 INFO  L443   ceAbstractionStarter]: For program point  L312(lines 312 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,929 INFO  L443   ceAbstractionStarter]: For program point  L114(lines 114 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,929 INFO  L443   ceAbstractionStarter]: For program point  L214(lines 214 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,929 INFO  L443   ceAbstractionStarter]: For program point  L148(lines 148 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,929 INFO  L443   ceAbstractionStarter]: For program point  L49(lines 49 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,929 INFO  L443   ceAbstractionStarter]: For program point  L84(lines 84 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,929 INFO  L443   ceAbstractionStarter]: For program point  calculate_outputFINAL(lines 30 575)  no Hoare annotation was computed.
[2019-10-13 21:40:20,930 INFO  L443   ceAbstractionStarter]: For program point  calculate_outputEXIT(lines 30 575)  no Hoare annotation was computed.
[2019-10-13 21:40:20,930 INFO  L443   ceAbstractionStarter]: For program point  L382(lines 382 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,930 INFO  L443   ceAbstractionStarter]: For program point  L316(lines 316 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,930 INFO  L443   ceAbstractionStarter]: For program point  L250(lines 250 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,930 INFO  L443   ceAbstractionStarter]: For program point  L218(lines 218 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,930 INFO  L443   ceAbstractionStarter]: For program point  L152(lines 152 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,930 INFO  L443   ceAbstractionStarter]: For program point  L119(lines 119 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,931 INFO  L443   ceAbstractionStarter]: For program point  L318(lines 318 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,931 INFO  L443   ceAbstractionStarter]: For program point  L186(lines 186 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,931 INFO  L443   ceAbstractionStarter]: For program point  L54(lines 54 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,931 INFO  L443   ceAbstractionStarter]: For program point  L286(lines 286 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,931 INFO  L443   ceAbstractionStarter]: For program point  L353(lines 353 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,931 INFO  L443   ceAbstractionStarter]: For program point  L189(lines 189 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,931 INFO  L443   ceAbstractionStarter]: For program point  L355(lines 355 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,932 INFO  L443   ceAbstractionStarter]: For program point  L256(lines 256 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,932 INFO  L443   ceAbstractionStarter]: For program point  L223(lines 223 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,932 INFO  L443   ceAbstractionStarter]: For program point  L124(lines 124 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,932 INFO  L443   ceAbstractionStarter]: For program point  L92(lines 92 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,932 INFO  L439   ceAbstractionStarter]: At program point  calculate_outputENTRY(lines 30 575)  the Hoare annotation is:  (let ((.cse2 (not (= 1 |old(~a20~0)|))) (.cse1 (and (= |old(~a7~0)| |old(~a17~0)|) (= 1 |old(~a17~0)|))) (.cse3 (= ~a20~0 1)) (.cse0 (= ~a16~0 |old(~a16~0)|))) (and (or (and .cse0 (or (not (= 1 ~a7~0)) (not (= ~a17~0 1)))) .cse1) (or (= 6 |old(~a16~0)|) .cse2 (and .cse0 .cse3)) (or .cse2 .cse1 .cse3) (or .cse0 (not (= 4 |old(~a16~0)|)))))
[2019-10-13 21:40:20,933 INFO  L443   ceAbstractionStarter]: For program point  L324(lines 324 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,933 INFO  L443   ceAbstractionStarter]: For program point  L292(lines 292 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,933 INFO  L443   ceAbstractionStarter]: For program point  L160(lines 160 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,933 INFO  L443   ceAbstractionStarter]: For program point  L194(lines 194 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,933 INFO  L443   ceAbstractionStarter]: For program point  L62(lines 62 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,933 INFO  L443   ceAbstractionStarter]: For program point  L261(lines 261 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,933 INFO  L443   ceAbstractionStarter]: For program point  L129(lines 129 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,934 INFO  L443   ceAbstractionStarter]: For program point  L361(lines 361 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,934 INFO  L443   ceAbstractionStarter]: For program point  L97(lines 97 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,934 INFO  L443   ceAbstractionStarter]: For program point  L31(lines 31 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,934 INFO  L443   ceAbstractionStarter]: For program point  L329(lines 329 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,934 INFO  L443   ceAbstractionStarter]: For program point  L197(lines 197 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,934 INFO  L443   ceAbstractionStarter]: For program point  L65(lines 65 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,934 INFO  L443   ceAbstractionStarter]: For program point  L363(lines 363 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,935 INFO  L443   ceAbstractionStarter]: For program point  L231(lines 231 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,935 INFO  L443   ceAbstractionStarter]: For program point  L165(lines 165 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,935 INFO  L443   ceAbstractionStarter]: For program point  L265(lines 265 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,935 INFO  L443   ceAbstractionStarter]: For program point  L365(lines 365 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,935 INFO  L443   ceAbstractionStarter]: For program point  L299(lines 299 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,935 INFO  L443   ceAbstractionStarter]: For program point  calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 476)  no Hoare annotation was computed.
[2019-10-13 21:40:20,936 INFO  L443   ceAbstractionStarter]: For program point  L35(lines 35 390)  no Hoare annotation was computed.
[2019-10-13 21:40:20,936 INFO  L443   ceAbstractionStarter]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2019-10-13 21:40:20,936 INFO  L439   ceAbstractionStarter]: At program point  L-1(line -1)  the Hoare annotation is:  (and (not (= ~a7~0 ~a17~0)) (not (= ~a16~0 6)) (= ~a20~0 1))
[2019-10-13 21:40:20,936 INFO  L446   ceAbstractionStarter]: At program point  ULTIMATE.startENTRY(line -1)  the Hoare annotation is:  true
[2019-10-13 21:40:20,936 INFO  L443   ceAbstractionStarter]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2019-10-13 21:40:20,936 INFO  L439   ceAbstractionStarter]: At program point  mainENTRY(lines 577 594)  the Hoare annotation is:  (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a20~0)|)) (= |old(~a7~0)| |old(~a17~0)|) (and (not (= ~a7~0 ~a17~0)) (= ~a16~0 |old(~a16~0)|) (= ~a20~0 1)))
[2019-10-13 21:40:20,937 INFO  L443   ceAbstractionStarter]: For program point  mainEXIT(lines 577 594)  no Hoare annotation was computed.
[2019-10-13 21:40:20,937 INFO  L439   ceAbstractionStarter]: At program point  L591(line 591)  the Hoare annotation is:  (or (or (not (= 1 ~a7~0)) (not (= ~a17~0 1))) (= ~a16~0 4) (= 6 |old(~a16~0)|) (not (= 1 |old(~a20~0)|)) (= |old(~a7~0)| |old(~a17~0)|) (and (not (= ~a16~0 6)) (= ~a20~0 1)))
[2019-10-13 21:40:20,937 INFO  L443   ceAbstractionStarter]: For program point  L591-1(line 591)  no Hoare annotation was computed.
[2019-10-13 21:40:20,937 INFO  L443   ceAbstractionStarter]: For program point  L588(line 588)  no Hoare annotation was computed.
[2019-10-13 21:40:20,937 INFO  L439   ceAbstractionStarter]: At program point  L583-2(lines 583 593)  the Hoare annotation is:  (or (or (not (= 1 ~a7~0)) (not (= ~a17~0 1))) (= ~a16~0 4) (= 6 |old(~a16~0)|) (not (= 1 |old(~a20~0)|)) (= |old(~a7~0)| |old(~a17~0)|) (and (not (= ~a16~0 6)) (= ~a20~0 1)))
[2019-10-13 21:40:20,937 INFO  L443   ceAbstractionStarter]: For program point  L583-3(lines 577 594)  no Hoare annotation was computed.
[2019-10-13 21:40:20,954 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:40:20 BoogieIcfgContainer
[2019-10-13 21:40:20,954 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2019-10-13 21:40:20,956 INFO  L168              Benchmark]: Toolchain (without parser) took 6556.63 ms. Allocated memory was 139.5 MB in the beginning and 294.6 MB in the end (delta: 155.2 MB). Free memory was 101.3 MB in the beginning and 148.8 MB in the end (delta: -47.4 MB). Peak memory consumption was 107.7 MB. Max. memory is 7.1 GB.
[2019-10-13 21:40:20,957 INFO  L168              Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 139.5 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.
[2019-10-13 21:40:20,958 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 714.54 ms. Allocated memory was 139.5 MB in the beginning and 205.0 MB in the end (delta: 65.5 MB). Free memory was 101.1 MB in the beginning and 166.8 MB in the end (delta: -65.7 MB). Peak memory consumption was 30.8 MB. Max. memory is 7.1 GB.
[2019-10-13 21:40:20,959 INFO  L168              Benchmark]: Boogie Preprocessor took 127.12 ms. Allocated memory is still 205.0 MB. Free memory was 166.8 MB in the beginning and 162.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB.
[2019-10-13 21:40:20,960 INFO  L168              Benchmark]: RCFGBuilder took 1746.00 ms. Allocated memory was 205.0 MB in the beginning and 249.0 MB in the end (delta: 44.0 MB). Free memory was 162.1 MB in the beginning and 208.4 MB in the end (delta: -46.4 MB). Peak memory consumption was 112.7 MB. Max. memory is 7.1 GB.
[2019-10-13 21:40:20,961 INFO  L168              Benchmark]: TraceAbstraction took 3961.72 ms. Allocated memory was 249.0 MB in the beginning and 294.6 MB in the end (delta: 45.6 MB). Free memory was 206.6 MB in the beginning and 148.8 MB in the end (delta: 57.9 MB). Peak memory consumption was 103.5 MB. Max. memory is 7.1 GB.
[2019-10-13 21:40:20,966 INFO  L335   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.19 ms. Allocated memory is still 139.5 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 714.54 ms. Allocated memory was 139.5 MB in the beginning and 205.0 MB in the end (delta: 65.5 MB). Free memory was 101.1 MB in the beginning and 166.8 MB in the end (delta: -65.7 MB). Peak memory consumption was 30.8 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 127.12 ms. Allocated memory is still 205.0 MB. Free memory was 166.8 MB in the beginning and 162.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1746.00 ms. Allocated memory was 205.0 MB in the beginning and 249.0 MB in the end (delta: 44.0 MB). Free memory was 162.1 MB in the beginning and 208.4 MB in the end (delta: -46.4 MB). Peak memory consumption was 112.7 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 3961.72 ms. Allocated memory was 249.0 MB in the beginning and 294.6 MB in the end (delta: 45.6 MB). Free memory was 206.6 MB in the beginning and 148.8 MB in the end (delta: 57.9 MB). Peak memory consumption was 103.5 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 476]: 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: 583]: Loop Invariant
    Derived loop invariant: (((((!(1 == a7) || !(a17 == 1)) || a16 == 4) || 6 == \old(a16)) || !(1 == \old(a20))) || \old(a7) == \old(a17)) || (!(a16 == 6) && a20 == 1)
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 4 procedures, 86 locations, 1 error locations. Result: SAFE, OverallTime: 3.8s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 245 SDtfs, 482 SDslu, 103 SDs, 0 SdLazy, 1485 SolverSat, 366 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=311occurred in iteration=3, 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, 4 MinimizatonAttempts, 164 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 23 PreInvPairs, 37 NumberOfFragments, 160 HoareAnnotationTreeSize, 23 FomulaSimplifications, 478 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 267 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 344 NumberOfCodeBlocks, 344 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 340 ConstructedInterpolants, 0 QuantifiedInterpolants, 106500 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 27/27 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Received shutdown request...