/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_VARIABLES --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/Problem14_label38.c


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


This is Ultimate 0.1.25-d623d84
[2020-07-20 17:32:44,893 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-07-20 17:32:44,896 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-20 17:32:44,909 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-20 17:32:44,910 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-20 17:32:44,911 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-20 17:32:44,912 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-07-20 17:32:44,914 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-07-20 17:32:44,916 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-07-20 17:32:44,917 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
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[2020-07-20 17:32:44,920 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-07-20 17:32:44,921 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-07-20 17:32:44,922 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-07-20 17:32:44,923 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-20 17:32:44,924 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-20 17:32:44,924 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-20 17:32:44,926 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-20 17:32:44,928 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-20 17:32:44,930 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-20 17:32:44,931 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-20 17:32:44,932 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-07-20 17:32:44,933 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-20 17:32:44,935 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-07-20 17:32:44,935 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-07-20 17:32:44,936 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-07-20 17:32:44,937 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-07-20 17:32:44,937 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-07-20 17:32:44,938 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-07-20 17:32:44,941 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-07-20 17:32:44,941 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-07-20 17:32:44,942 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-07-20 17:32:44,943 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-07-20 17:32:44,944 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-07-20 17:32:44,945 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-07-20 17:32:44,945 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
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[2020-07-20 17:32:44,946 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2020-07-20 17:32:44,947 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-07-20 17:32:44,948 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 17:32:44,963 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-07-20 17:32:44,963 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-20 17:32:44,964 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-20 17:32:44,965 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-07-20 17:32:44,965 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-07-20 17:32:44,965 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-20 17:32:44,965 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-07-20 17:32:44,965 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-07-20 17:32:44,966 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-07-20 17:32:44,966 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-07-20 17:32:44,966 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-07-20 17:32:44,966 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-20 17:32:44,966 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-07-20 17:32:44,967 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-07-20 17:32:44,967 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-07-20 17:32:44,967 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-07-20 17:32:44,967 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-07-20 17:32:44,967 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-20 17:32:44,968 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-07-20 17:32:44,968 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-07-20 17:32:44,968 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-07-20 17:32:44,968 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-20 17:32:44,968 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-20 17:32:44,969 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-07-20 17:32:44,969 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-20 17:32:44,969 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-07-20 17:32:44,969 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:32:44,969 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-20 17:32:44,970 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-07-20 17:32:44,970 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_VARIABLES
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 17:32:45,288 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-20 17:32:45,303 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-20 17:32:45,306 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-20 17:32:45,308 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-07-20 17:32:45,308 INFO  L275        PluginConnector]: CDTParser initialized
[2020-07-20 17:32:45,309 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label38.c
[2020-07-20 17:32:45,374 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0607d8a0b/e19d9c296e2a4a2089750c0428f0a345/FLAG56f00b775
[2020-07-20 17:32:45,988 INFO  L306              CDTParser]: Found 1 translation units.
[2020-07-20 17:32:45,991 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label38.c
[2020-07-20 17:32:46,016 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0607d8a0b/e19d9c296e2a4a2089750c0428f0a345/FLAG56f00b775
[2020-07-20 17:32:46,200 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0607d8a0b/e19d9c296e2a4a2089750c0428f0a345
[2020-07-20 17:32:46,210 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-20 17:32:46,214 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-20 17:32:46,215 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-20 17:32:46,215 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-20 17:32:46,219 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-20 17:32:46,220 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:32:46" (1/1) ...
[2020-07-20 17:32:46,223 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ce438f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:32:46, skipping insertion in model container
[2020-07-20 17:32:46,223 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:32:46" (1/1) ...
[2020-07-20 17:32:46,232 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-07-20 17:32:46,311 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-07-20 17:32:46,809 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-20 17:32:46,815 INFO  L203         MainTranslator]: Completed pre-run
[2020-07-20 17:32:47,153 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-20 17:32:47,170 INFO  L208         MainTranslator]: Completed translation
[2020-07-20 17:32:47,171 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:32:47 WrapperNode
[2020-07-20 17:32:47,171 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-20 17:32:47,172 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-20 17:32:47,172 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-20 17:32:47,172 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-07-20 17:32:47,187 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:32:47" (1/1) ...
[2020-07-20 17:32:47,187 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:32:47" (1/1) ...
[2020-07-20 17:32:47,209 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:32:47" (1/1) ...
[2020-07-20 17:32:47,210 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:32:47" (1/1) ...
[2020-07-20 17:32:47,269 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:32:47" (1/1) ...
[2020-07-20 17:32:47,295 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:32:47" (1/1) ...
[2020-07-20 17:32:47,309 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:32:47" (1/1) ...
[2020-07-20 17:32:47,321 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-20 17:32:47,322 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-20 17:32:47,322 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-07-20 17:32:47,323 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-07-20 17:32:47,324 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:32:47" (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 17:32:47,402 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-20 17:32:47,402 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-20 17:32:47,402 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output
[2020-07-20 17:32:47,402 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-07-20 17:32:47,403 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output
[2020-07-20 17:32:47,403 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-20 17:32:47,404 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-07-20 17:32:47,404 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2020-07-20 17:32:47,404 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-07-20 17:32:47,404 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-20 17:32:47,405 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-20 17:32:49,015 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-20 17:32:49,015 INFO  L295             CfgBuilder]: Removed 1 assume(true) statements.
[2020-07-20 17:32:49,022 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:32:49 BoogieIcfgContainer
[2020-07-20 17:32:49,022 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-20 17:32:49,023 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-20 17:32:49,024 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-07-20 17:32:49,027 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-07-20 17:32:49,027 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 05:32:46" (1/3) ...
[2020-07-20 17:32:49,028 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32274b29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:32:49, skipping insertion in model container
[2020-07-20 17:32:49,028 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:32:47" (2/3) ...
[2020-07-20 17:32:49,029 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32274b29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:32:49, skipping insertion in model container
[2020-07-20 17:32:49,030 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:32:49" (3/3) ...
[2020-07-20 17:32:49,032 INFO  L109   eAbstractionObserver]: Analyzing ICFG Problem14_label38.c
[2020-07-20 17:32:49,042 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION
[2020-07-20 17:32:49,050 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-20 17:32:49,065 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-20 17:32:49,089 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-07-20 17:32:49,089 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-07-20 17:32:49,090 INFO  L377      AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect
[2020-07-20 17:32:49,090 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-20 17:32:49,090 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-20 17:32:49,090 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-07-20 17:32:49,090 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-20 17:32:49,090 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-20 17:32:49,116 INFO  L276                IsEmpty]: Start isEmpty. Operand 254 states.
[2020-07-20 17:32:49,126 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 57
[2020-07-20 17:32:49,126 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 17:32:49,128 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 17:32:49,128 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 17:32:49,133 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 17:32:49,133 INFO  L82        PathProgramCache]: Analyzing trace with hash -281448013, now seen corresponding path program 1 times
[2020-07-20 17:32:49,140 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 17:32:49,141 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [584701723]
[2020-07-20 17:32:49,141 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 17:32:49,267 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 17:32:49,267 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 17:32:49,270 INFO  L263         TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 6 conjunts are in the unsatisfiable core
[2020-07-20 17:32:49,277 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 17:32:49,352 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 17:32:49,353 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 17:32:49,354 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [584701723]
[2020-07-20 17:32:49,355 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 17:32:49,355 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 17:32:49,356 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826688924]
[2020-07-20 17:32:49,361 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 17:32:49,361 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 17:32:49,376 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 17:32:49,377 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 17:32:49,379 INFO  L87              Difference]: Start difference. First operand 254 states. Second operand 3 states.
[2020-07-20 17:32:50,668 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 17:32:50,668 INFO  L93              Difference]: Finished difference Result 688 states and 1223 transitions.
[2020-07-20 17:32:50,669 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 17:32:50,670 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 56
[2020-07-20 17:32:50,671 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 17:32:50,687 INFO  L225             Difference]: With dead ends: 688
[2020-07-20 17:32:50,688 INFO  L226             Difference]: Without dead ends: 372
[2020-07-20 17:32:50,695 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 54 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 17:32:50,714 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 372 states.
[2020-07-20 17:32:50,765 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372.
[2020-07-20 17:32:50,767 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 372 states.
[2020-07-20 17:32:50,770 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 560 transitions.
[2020-07-20 17:32:50,771 INFO  L78                 Accepts]: Start accepts. Automaton has 372 states and 560 transitions. Word has length 56
[2020-07-20 17:32:50,772 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 17:32:50,772 INFO  L479      AbstractCegarLoop]: Abstraction has 372 states and 560 transitions.
[2020-07-20 17:32:50,773 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 17:32:50,773 INFO  L276                IsEmpty]: Start isEmpty. Operand 372 states and 560 transitions.
[2020-07-20 17:32:50,779 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 136
[2020-07-20 17:32:50,780 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 17:32:50,780 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, 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]
[2020-07-20 17:32:50,993 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:32:50,994 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 17:32:50,995 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 17:32:50,996 INFO  L82        PathProgramCache]: Analyzing trace with hash 1442467785, now seen corresponding path program 1 times
[2020-07-20 17:32:50,996 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 17:32:50,996 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [99133575]
[2020-07-20 17:32:50,997 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 17:32:51,104 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 17:32:51,105 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 17:32:51,106 INFO  L263         TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 17:32:51,112 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 17:32:51,156 INFO  L134       CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 17:32:51,156 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 17:32:51,156 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [99133575]
[2020-07-20 17:32:51,157 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 17:32:51,157 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 17:32:51,157 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289074142]
[2020-07-20 17:32:51,159 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 17:32:51,159 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 17:32:51,160 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 17:32:51,160 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 17:32:51,160 INFO  L87              Difference]: Start difference. First operand 372 states and 560 transitions. Second operand 3 states.
[2020-07-20 17:32:52,147 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 17:32:52,148 INFO  L93              Difference]: Finished difference Result 556 states and 862 transitions.
[2020-07-20 17:32:52,148 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 17:32:52,149 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 135
[2020-07-20 17:32:52,151 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 17:32:52,158 INFO  L225             Difference]: With dead ends: 556
[2020-07-20 17:32:52,158 INFO  L226             Difference]: Without dead ends: 554
[2020-07-20 17:32:52,159 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 133 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 17:32:52,161 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 554 states.
[2020-07-20 17:32:52,195 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 554.
[2020-07-20 17:32:52,195 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 554 states.
[2020-07-20 17:32:52,198 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 860 transitions.
[2020-07-20 17:32:52,198 INFO  L78                 Accepts]: Start accepts. Automaton has 554 states and 860 transitions. Word has length 135
[2020-07-20 17:32:52,199 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 17:32:52,200 INFO  L479      AbstractCegarLoop]: Abstraction has 554 states and 860 transitions.
[2020-07-20 17:32:52,200 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 17:32:52,200 INFO  L276                IsEmpty]: Start isEmpty. Operand 554 states and 860 transitions.
[2020-07-20 17:32:52,203 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 140
[2020-07-20 17:32:52,204 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 17:32:52,204 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, 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]
[2020-07-20 17:32:52,418 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:32:52,419 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 17:32:52,420 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 17:32:52,420 INFO  L82        PathProgramCache]: Analyzing trace with hash 123351809, now seen corresponding path program 1 times
[2020-07-20 17:32:52,421 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 17:32:52,422 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1878788081]
[2020-07-20 17:32:52,422 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 17:32:52,510 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 17:32:52,511 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 17:32:52,512 INFO  L263         TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 11 conjunts are in the unsatisfiable core
[2020-07-20 17:32:52,517 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 17:32:52,594 INFO  L320       QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term
[2020-07-20 17:32:52,595 INFO  L501       QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2020-07-20 17:32:52,597 INFO  L501       QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2020-07-20 17:32:52,624 INFO  L501       QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2020-07-20 17:32:52,682 INFO  L134       CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 17:32:52,683 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 17:32:52,685 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1878788081]
[2020-07-20 17:32:52,685 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 17:32:52,685 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-07-20 17:32:52,688 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993633906]
[2020-07-20 17:32:52,695 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-07-20 17:32:52,696 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 17:32:52,696 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-07-20 17:32:52,696 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-07-20 17:32:52,697 INFO  L87              Difference]: Start difference. First operand 554 states and 860 transitions. Second operand 5 states.
[2020-07-20 17:32:54,312 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 17:32:54,313 INFO  L93              Difference]: Finished difference Result 1670 states and 2622 transitions.
[2020-07-20 17:32:54,314 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2020-07-20 17:32:54,314 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 139
[2020-07-20 17:32:54,315 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 17:32:54,321 INFO  L225             Difference]: With dead ends: 1670
[2020-07-20 17:32:54,322 INFO  L226             Difference]: Without dead ends: 1122
[2020-07-20 17:32:54,324 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2020-07-20 17:32:54,325 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1122 states.
[2020-07-20 17:32:54,380 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1122 to 1108.
[2020-07-20 17:32:54,381 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1108 states.
[2020-07-20 17:32:54,386 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 1108 states and 1494 transitions.
[2020-07-20 17:32:54,386 INFO  L78                 Accepts]: Start accepts. Automaton has 1108 states and 1494 transitions. Word has length 139
[2020-07-20 17:32:54,387 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 17:32:54,387 INFO  L479      AbstractCegarLoop]: Abstraction has 1108 states and 1494 transitions.
[2020-07-20 17:32:54,387 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-07-20 17:32:54,387 INFO  L276                IsEmpty]: Start isEmpty. Operand 1108 states and 1494 transitions.
[2020-07-20 17:32:54,393 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 210
[2020-07-20 17:32:54,394 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 17:32:54,394 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 17:32:54,608 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:32:54,609 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 17:32:54,610 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 17:32:54,610 INFO  L82        PathProgramCache]: Analyzing trace with hash 837695806, now seen corresponding path program 1 times
[2020-07-20 17:32:54,611 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 17:32:54,612 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1723018876]
[2020-07-20 17:32:54,612 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 17:32:54,745 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 17:32:54,745 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 17:32:54,747 INFO  L263         TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 6 conjunts are in the unsatisfiable core
[2020-07-20 17:32:54,763 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 17:32:54,881 INFO  L134       CoverageAnalysis]: Checked inductivity of 168 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked.
[2020-07-20 17:32:54,881 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 17:32:54,882 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1723018876]
[2020-07-20 17:32:54,882 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 17:32:54,882 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-07-20 17:32:54,883 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303938622]
[2020-07-20 17:32:54,885 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-07-20 17:32:54,886 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 17:32:54,886 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-07-20 17:32:54,887 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-07-20 17:32:54,887 INFO  L87              Difference]: Start difference. First operand 1108 states and 1494 transitions. Second operand 5 states.
[2020-07-20 17:32:56,251 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 17:32:56,251 INFO  L93              Difference]: Finished difference Result 2620 states and 3803 transitions.
[2020-07-20 17:32:56,252 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-07-20 17:32:56,252 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 209
[2020-07-20 17:32:56,252 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 17:32:56,263 INFO  L225             Difference]: With dead ends: 2620
[2020-07-20 17:32:56,263 INFO  L226             Difference]: Without dead ends: 1700
[2020-07-20 17:32:56,266 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 205 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 17:32:56,269 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1700 states.
[2020-07-20 17:32:56,330 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1700 to 1670.
[2020-07-20 17:32:56,330 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1670 states.
[2020-07-20 17:32:56,339 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1670 states to 1670 states and 2228 transitions.
[2020-07-20 17:32:56,340 INFO  L78                 Accepts]: Start accepts. Automaton has 1670 states and 2228 transitions. Word has length 209
[2020-07-20 17:32:56,340 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 17:32:56,340 INFO  L479      AbstractCegarLoop]: Abstraction has 1670 states and 2228 transitions.
[2020-07-20 17:32:56,340 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-07-20 17:32:56,340 INFO  L276                IsEmpty]: Start isEmpty. Operand 1670 states and 2228 transitions.
[2020-07-20 17:32:56,346 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 224
[2020-07-20 17:32:56,346 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 17:32:56,347 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 17:32:56,562 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:32:56,563 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 17:32:56,564 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 17:32:56,564 INFO  L82        PathProgramCache]: Analyzing trace with hash -657639750, now seen corresponding path program 1 times
[2020-07-20 17:32:56,564 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 17:32:56,565 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [337698990]
[2020-07-20 17:32:56,565 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 17:32:56,669 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 17:32:56,669 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 17:32:56,671 INFO  L263         TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 11 conjunts are in the unsatisfiable core
[2020-07-20 17:32:56,674 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 17:32:56,751 INFO  L320       QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term
[2020-07-20 17:32:56,752 INFO  L501       QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2020-07-20 17:32:56,753 INFO  L501       QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2020-07-20 17:32:56,776 INFO  L501       QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2020-07-20 17:32:56,862 INFO  L134       CoverageAnalysis]: Checked inductivity of 181 backedges. 179 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 17:32:56,862 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2020-07-20 17:32:57,013 WARN  L193               SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 36
[2020-07-20 17:32:57,059 INFO  L320       QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 1] term
[2020-07-20 17:32:57,059 INFO  L501       QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-07-20 17:32:57,061 INFO  L320       QuantifierPusher]: Applying distributivity to a DISJUNCTION[4, 2, 1] term
[2020-07-20 17:32:57,061 INFO  L501       QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts
[2020-07-20 17:32:57,063 INFO  L501       QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts
[2020-07-20 17:32:57,064 INFO  L501       QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-07-20 17:32:57,065 INFO  L501       QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-07-20 17:32:57,066 INFO  L501       QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts
[2020-07-20 17:32:57,087 INFO  L501       QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-07-20 17:32:57,088 INFO  L501       QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts
[2020-07-20 17:32:57,205 INFO  L501       QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-07-20 17:32:57,208 INFO  L501       QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-07-20 17:32:57,239 INFO  L501       QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-07-20 17:32:57,450 INFO  L134       CoverageAnalysis]: Checked inductivity of 181 backedges. 99 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 17:32:57,451 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [337698990]
[2020-07-20 17:32:57,451 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-07-20 17:32:57,451 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13
[2020-07-20 17:32:57,452 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17449728]
[2020-07-20 17:32:57,453 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 13 states
[2020-07-20 17:32:57,453 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 17:32:57,453 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2020-07-20 17:32:57,454 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156
[2020-07-20 17:32:57,454 INFO  L87              Difference]: Start difference. First operand 1670 states and 2228 transitions. Second operand 13 states.
[2020-07-20 17:33:01,367 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 17:33:01,367 INFO  L93              Difference]: Finished difference Result 4674 states and 6586 transitions.
[2020-07-20 17:33:01,374 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2020-07-20 17:33:01,374 INFO  L78                 Accepts]: Start accepts. Automaton has 13 states. Word has length 223
[2020-07-20 17:33:01,375 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 17:33:01,395 INFO  L225             Difference]: With dead ends: 4674
[2020-07-20 17:33:01,395 INFO  L226             Difference]: Without dead ends: 3192
[2020-07-20 17:33:01,401 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 457 GetRequests, 433 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=187, Invalid=413, Unknown=0, NotChecked=0, Total=600
[2020-07-20 17:33:01,405 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3192 states.
[2020-07-20 17:33:01,483 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3192 to 2804.
[2020-07-20 17:33:01,484 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2804 states.
[2020-07-20 17:33:01,494 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2804 states to 2804 states and 3698 transitions.
[2020-07-20 17:33:01,494 INFO  L78                 Accepts]: Start accepts. Automaton has 2804 states and 3698 transitions. Word has length 223
[2020-07-20 17:33:01,495 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 17:33:01,495 INFO  L479      AbstractCegarLoop]: Abstraction has 2804 states and 3698 transitions.
[2020-07-20 17:33:01,495 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 13 states.
[2020-07-20 17:33:01,495 INFO  L276                IsEmpty]: Start isEmpty. Operand 2804 states and 3698 transitions.
[2020-07-20 17:33:01,500 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 274
[2020-07-20 17:33:01,500 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 17:33:01,501 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:33:01,715 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:33:01,716 INFO  L427      AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 17:33:01,716 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 17:33:01,717 INFO  L82        PathProgramCache]: Analyzing trace with hash 2106362550, now seen corresponding path program 1 times
[2020-07-20 17:33:01,717 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 17:33:01,718 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1812931840]
[2020-07-20 17:33:01,718 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:33:01,838 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 17:33:01,839 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 17:33:01,841 INFO  L263         TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 17:33:01,846 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 17:33:01,947 INFO  L134       CoverageAnalysis]: Checked inductivity of 182 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked.
[2020-07-20 17:33:01,947 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 17:33:01,947 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1812931840]
[2020-07-20 17:33:01,948 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 17:33:01,948 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 17:33:01,948 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044423858]
[2020-07-20 17:33:01,949 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 17:33:01,949 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 17:33:01,949 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 17:33:01,949 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 17:33:01,950 INFO  L87              Difference]: Start difference. First operand 2804 states and 3698 transitions. Second operand 3 states.
[2020-07-20 17:33:02,911 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 17:33:02,911 INFO  L93              Difference]: Finished difference Result 3716 states and 4937 transitions.
[2020-07-20 17:33:02,912 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 17:33:02,912 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 273
[2020-07-20 17:33:02,914 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 17:33:02,945 INFO  L225             Difference]: With dead ends: 3716
[2020-07-20 17:33:02,945 INFO  L226             Difference]: Without dead ends: 3714
[2020-07-20 17:33:02,956 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 271 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 17:33:02,965 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3714 states.
[2020-07-20 17:33:03,077 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3714 to 2802.
[2020-07-20 17:33:03,077 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2802 states.
[2020-07-20 17:33:03,093 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2802 states to 2802 states and 3609 transitions.
[2020-07-20 17:33:03,094 INFO  L78                 Accepts]: Start accepts. Automaton has 2802 states and 3609 transitions. Word has length 273
[2020-07-20 17:33:03,095 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 17:33:03,095 INFO  L479      AbstractCegarLoop]: Abstraction has 2802 states and 3609 transitions.
[2020-07-20 17:33:03,096 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 17:33:03,096 INFO  L276                IsEmpty]: Start isEmpty. Operand 2802 states and 3609 transitions.
[2020-07-20 17:33:03,119 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 472
[2020-07-20 17:33:03,119 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 17:33:03,120 INFO  L422         BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:33:03,333 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:33:03,334 INFO  L427      AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 17:33:03,335 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 17:33:03,335 INFO  L82        PathProgramCache]: Analyzing trace with hash 313381864, now seen corresponding path program 1 times
[2020-07-20 17:33:03,336 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 17:33:03,336 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [53292438]
[2020-07-20 17:33:03,336 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:33:03,739 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 17:33:03,740 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 17:33:03,743 INFO  L263         TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 17:33:03,752 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 17:33:04,085 INFO  L134       CoverageAnalysis]: Checked inductivity of 732 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 527 trivial. 0 not checked.
[2020-07-20 17:33:04,086 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 17:33:04,088 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [53292438]
[2020-07-20 17:33:04,088 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 17:33:04,088 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 17:33:04,089 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87245141]
[2020-07-20 17:33:04,090 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 17:33:04,090 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 17:33:04,091 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 17:33:04,091 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 17:33:04,091 INFO  L87              Difference]: Start difference. First operand 2802 states and 3609 transitions. Second operand 3 states.
[2020-07-20 17:33:04,962 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 17:33:04,962 INFO  L93              Difference]: Finished difference Result 3902 states and 5058 transitions.
[2020-07-20 17:33:04,966 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 17:33:04,966 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 471
[2020-07-20 17:33:04,967 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 17:33:04,986 INFO  L225             Difference]: With dead ends: 3902
[2020-07-20 17:33:04,986 INFO  L226             Difference]: Without dead ends: 3900
[2020-07-20 17:33:04,989 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 470 GetRequests, 469 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 17:33:04,994 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3900 states.
[2020-07-20 17:33:05,065 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3900 to 2802.
[2020-07-20 17:33:05,067 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2802 states.
[2020-07-20 17:33:05,080 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2802 states to 2802 states and 3609 transitions.
[2020-07-20 17:33:05,081 INFO  L78                 Accepts]: Start accepts. Automaton has 2802 states and 3609 transitions. Word has length 471
[2020-07-20 17:33:05,082 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 17:33:05,082 INFO  L479      AbstractCegarLoop]: Abstraction has 2802 states and 3609 transitions.
[2020-07-20 17:33:05,082 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 17:33:05,082 INFO  L276                IsEmpty]: Start isEmpty. Operand 2802 states and 3609 transitions.
[2020-07-20 17:33:05,098 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 555
[2020-07-20 17:33:05,099 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 17:33:05,099 INFO  L422         BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:33:05,303 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:33:05,304 INFO  L427      AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 17:33:05,304 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 17:33:05,305 INFO  L82        PathProgramCache]: Analyzing trace with hash -347572093, now seen corresponding path program 1 times
[2020-07-20 17:33:05,305 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 17:33:05,305 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1506137406]
[2020-07-20 17:33:05,306 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:33:05,549 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 17:33:05,550 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 17:33:05,553 INFO  L263         TraceCheckSpWp]: Trace formula consists of 811 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 17:33:05,560 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 17:33:05,801 INFO  L134       CoverageAnalysis]: Checked inductivity of 805 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 600 trivial. 0 not checked.
[2020-07-20 17:33:05,801 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 17:33:05,802 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1506137406]
[2020-07-20 17:33:05,802 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 17:33:05,805 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 17:33:05,806 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040426460]
[2020-07-20 17:33:05,807 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 17:33:05,807 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 17:33:05,808 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 17:33:05,808 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 17:33:05,808 INFO  L87              Difference]: Start difference. First operand 2802 states and 3609 transitions. Second operand 3 states.
[2020-07-20 17:33:06,884 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 17:33:06,884 INFO  L93              Difference]: Finished difference Result 6152 states and 7942 transitions.
[2020-07-20 17:33:06,884 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 17:33:06,885 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 554
[2020-07-20 17:33:06,885 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 17:33:06,886 INFO  L225             Difference]: With dead ends: 6152
[2020-07-20 17:33:06,886 INFO  L226             Difference]: Without dead ends: 0
[2020-07-20 17:33:06,897 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 553 GetRequests, 552 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 17:33:06,898 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-07-20 17:33:06,898 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-07-20 17:33:06,898 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-07-20 17:33:06,898 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-07-20 17:33:06,898 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 554
[2020-07-20 17:33:06,899 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 17:33:06,899 INFO  L479      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-07-20 17:33:06,899 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 17:33:06,899 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-07-20 17:33:06,899 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-07-20 17:33:07,113 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:33:07,117 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-07-20 17:33:08,040 WARN  L193               SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 47
[2020-07-20 17:33:08,169 WARN  L193               SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 37
[2020-07-20 17:33:08,279 WARN  L193               SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 37
[2020-07-20 17:33:08,284 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initFINAL(line -1)  no Hoare annotation was computed.
[2020-07-20 17:33:08,284 INFO  L264        CegarLoopResult]: At program point  ULTIMATE.initENTRY(line -1)  the Hoare annotation is:  (and (<= ~a12~0 |old(~a12~0)|) (<= ~a24~0 |old(~a24~0)|) (<= ~a15~0 |old(~a15~0)|) (<= |old(~a21~0)| ~a21~0))
[2020-07-20 17:33:08,284 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initEXIT(line -1)  no Hoare annotation was computed.
[2020-07-20 17:33:08,285 INFO  L268        CegarLoopResult]: For program point  L432(lines 432 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,285 INFO  L268        CegarLoopResult]: For program point  L366(lines 366 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,285 INFO  L268        CegarLoopResult]: For program point  L168-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,285 INFO  L268        CegarLoopResult]: For program point  L102-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,285 INFO  L268        CegarLoopResult]: For program point  L36-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,285 INFO  L268        CegarLoopResult]: For program point  L235(lines 235 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,285 INFO  L268        CegarLoopResult]: For program point  L169(line 169)  no Hoare annotation was computed.
[2020-07-20 17:33:08,286 INFO  L268        CegarLoopResult]: For program point  L103(line 103)  no Hoare annotation was computed.
[2020-07-20 17:33:08,286 INFO  L268        CegarLoopResult]: For program point  L37(line 37)  no Hoare annotation was computed.
[2020-07-20 17:33:08,286 INFO  L268        CegarLoopResult]: For program point  L764(lines 764 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,286 INFO  L268        CegarLoopResult]: For program point  L632(lines 632 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,286 INFO  L268        CegarLoopResult]: For program point  L500(lines 500 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,286 INFO  L268        CegarLoopResult]: For program point  L831(lines 831 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,286 INFO  L268        CegarLoopResult]: For program point  L171-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,286 INFO  L268        CegarLoopResult]: For program point  L105-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,286 INFO  L268        CegarLoopResult]: For program point  L39-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,286 INFO  L268        CegarLoopResult]: For program point  L700(lines 700 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,287 INFO  L268        CegarLoopResult]: For program point  L568(lines 568 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,287 INFO  L268        CegarLoopResult]: For program point  L172(line 172)  no Hoare annotation was computed.
[2020-07-20 17:33:08,287 INFO  L268        CegarLoopResult]: For program point  L106(line 106)  no Hoare annotation was computed.
[2020-07-20 17:33:08,287 INFO  L268        CegarLoopResult]: For program point  L40(line 40)  no Hoare annotation was computed.
[2020-07-20 17:33:08,287 INFO  L268        CegarLoopResult]: For program point  L305(lines 305 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,287 INFO  L268        CegarLoopResult]: For program point  L438(lines 438 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,287 INFO  L268        CegarLoopResult]: For program point  L372(lines 372 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,287 INFO  L268        CegarLoopResult]: For program point  L174-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,287 INFO  L268        CegarLoopResult]: For program point  L108-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,287 INFO  L268        CegarLoopResult]: For program point  L42-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,287 INFO  L268        CegarLoopResult]: For program point  L241(lines 241 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,288 INFO  L268        CegarLoopResult]: For program point  L175(line 175)  no Hoare annotation was computed.
[2020-07-20 17:33:08,288 INFO  L268        CegarLoopResult]: For program point  L109(line 109)  no Hoare annotation was computed.
[2020-07-20 17:33:08,288 INFO  L268        CegarLoopResult]: For program point  L43(line 43)  no Hoare annotation was computed.
[2020-07-20 17:33:08,288 INFO  L268        CegarLoopResult]: For program point  L638(lines 638 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,288 INFO  L268        CegarLoopResult]: For program point  L506(lines 506 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,288 INFO  L268        CegarLoopResult]: For program point  L837(lines 837 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,288 INFO  L268        CegarLoopResult]: For program point  L771(lines 771 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,288 INFO  L268        CegarLoopResult]: For program point  L573(lines 573 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,288 INFO  L268        CegarLoopResult]: For program point  L177-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,288 INFO  L268        CegarLoopResult]: For program point  L111-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,289 INFO  L268        CegarLoopResult]: For program point  L45-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,289 INFO  L268        CegarLoopResult]: For program point  L706(lines 706 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,289 INFO  L268        CegarLoopResult]: For program point  L178(line 178)  no Hoare annotation was computed.
[2020-07-20 17:33:08,289 INFO  L268        CegarLoopResult]: For program point  L112(line 112)  no Hoare annotation was computed.
[2020-07-20 17:33:08,289 INFO  L268        CegarLoopResult]: For program point  L46(line 46)  no Hoare annotation was computed.
[2020-07-20 17:33:08,289 INFO  L268        CegarLoopResult]: For program point  L311(lines 311 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,289 INFO  L268        CegarLoopResult]: For program point  L444(lines 444 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,289 INFO  L268        CegarLoopResult]: For program point  L378(lines 378 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,290 INFO  L268        CegarLoopResult]: For program point  L180-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,290 INFO  L268        CegarLoopResult]: For program point  L114-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,290 INFO  L268        CegarLoopResult]: For program point  L48-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,290 INFO  L268        CegarLoopResult]: For program point  L247(lines 247 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,290 INFO  L268        CegarLoopResult]: For program point  L181(line 181)  no Hoare annotation was computed.
[2020-07-20 17:33:08,290 INFO  L268        CegarLoopResult]: For program point  L115(line 115)  no Hoare annotation was computed.
[2020-07-20 17:33:08,290 INFO  L268        CegarLoopResult]: For program point  L49(line 49)  no Hoare annotation was computed.
[2020-07-20 17:33:08,290 INFO  L268        CegarLoopResult]: For program point  L842(lines 842 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,291 INFO  L268        CegarLoopResult]: For program point  L644(lines 644 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,291 INFO  L268        CegarLoopResult]: For program point  L512(lines 512 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,291 INFO  L268        CegarLoopResult]: For program point  L777(lines 777 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,291 INFO  L268        CegarLoopResult]: For program point  L579(lines 579 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,291 INFO  L268        CegarLoopResult]: For program point  L183-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,291 INFO  L268        CegarLoopResult]: For program point  L117-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,291 INFO  L268        CegarLoopResult]: For program point  L51-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,291 INFO  L268        CegarLoopResult]: For program point  calculate_outputEXIT(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,291 INFO  L268        CegarLoopResult]: For program point  L712(lines 712 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,291 INFO  L268        CegarLoopResult]: For program point  L184(line 184)  no Hoare annotation was computed.
[2020-07-20 17:33:08,292 INFO  L268        CegarLoopResult]: For program point  L118(line 118)  no Hoare annotation was computed.
[2020-07-20 17:33:08,292 INFO  L268        CegarLoopResult]: For program point  L52(line 52)  no Hoare annotation was computed.
[2020-07-20 17:33:08,292 INFO  L268        CegarLoopResult]: For program point  L449(lines 449 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,292 INFO  L268        CegarLoopResult]: For program point  L317(lines 317 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,292 INFO  L268        CegarLoopResult]: For program point  L384(lines 384 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,292 INFO  L268        CegarLoopResult]: For program point  L252(lines 252 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,292 INFO  L268        CegarLoopResult]: For program point  L186-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,292 INFO  L268        CegarLoopResult]: For program point  L120-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,293 INFO  L268        CegarLoopResult]: For program point  L54-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,293 INFO  L268        CegarLoopResult]: For program point  L187(line 187)  no Hoare annotation was computed.
[2020-07-20 17:33:08,293 INFO  L268        CegarLoopResult]: For program point  L121(line 121)  no Hoare annotation was computed.
[2020-07-20 17:33:08,293 INFO  L268        CegarLoopResult]: For program point  L55(line 55)  no Hoare annotation was computed.
[2020-07-20 17:33:08,293 INFO  L268        CegarLoopResult]: For program point  L848(lines 848 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,293 INFO  L268        CegarLoopResult]: For program point  L650(lines 650 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,293 INFO  L268        CegarLoopResult]: For program point  L518(lines 518 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,293 INFO  L268        CegarLoopResult]: For program point  L783(lines 783 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,293 INFO  L268        CegarLoopResult]: For program point  L585(lines 585 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,294 INFO  L268        CegarLoopResult]: For program point  L189-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,294 INFO  L268        CegarLoopResult]: For program point  L123-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,294 INFO  L268        CegarLoopResult]: For program point  L57-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,294 INFO  L268        CegarLoopResult]: For program point  L718(lines 718 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,294 INFO  L268        CegarLoopResult]: For program point  L454(lines 454 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,294 INFO  L268        CegarLoopResult]: For program point  L190(line 190)  no Hoare annotation was computed.
[2020-07-20 17:33:08,294 INFO  L268        CegarLoopResult]: For program point  L124(line 124)  no Hoare annotation was computed.
[2020-07-20 17:33:08,294 INFO  L268        CegarLoopResult]: For program point  L58(line 58)  no Hoare annotation was computed.
[2020-07-20 17:33:08,295 INFO  L268        CegarLoopResult]: For program point  L323(lines 323 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,295 INFO  L264        CegarLoopResult]: At program point  calculate_outputENTRY(lines 20 872)  the Hoare annotation is:  (let ((.cse1 (<= ~a12~0 |old(~a12~0)|)) (.cse2 (<= ~a24~0 |old(~a24~0)|)) (.cse3 (<= ~a15~0 |old(~a15~0)|)) (.cse4 (<= |old(~a21~0)| ~a21~0))) (let ((.cse0 (and .cse1 .cse2 .cse3 .cse4))) (and (or (not (<= |old(~a21~0)| 7)) (<= ~a21~0 7)) (or (not (<= |old(~a24~0)| 1)) (not (< |old(~a12~0)| 81)) .cse0) (or (not (<= |old(~a15~0)| 5)) .cse0) (or (and (not (<= |old(~a21~0)| 9)) (not (<= 7 |old(~a15~0)|))) (and .cse1 .cse2 .cse3 (<= ~a21~0 9) .cse4) (and .cse1 (<= 7 ~a15~0) .cse2 .cse3 .cse4)) (or (not (<= 8 |old(~a15~0)|)) (<= 8 ~a15~0)))))
[2020-07-20 17:33:08,295 INFO  L268        CegarLoopResult]: For program point  L390(lines 390 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,295 INFO  L268        CegarLoopResult]: For program point  L258(lines 258 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,295 INFO  L268        CegarLoopResult]: For program point  L192-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,295 INFO  L268        CegarLoopResult]: For program point  L126-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,295 INFO  L268        CegarLoopResult]: For program point  L60-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,296 INFO  L268        CegarLoopResult]: For program point  L193(line 193)  no Hoare annotation was computed.
[2020-07-20 17:33:08,296 INFO  L268        CegarLoopResult]: For program point  L127(line 127)  no Hoare annotation was computed.
[2020-07-20 17:33:08,296 INFO  L268        CegarLoopResult]: For program point  L61(line 61)  no Hoare annotation was computed.
[2020-07-20 17:33:08,296 INFO  L268        CegarLoopResult]: For program point  L854(lines 854 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,296 INFO  L268        CegarLoopResult]: For program point  L656(lines 656 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,296 INFO  L268        CegarLoopResult]: For program point  L524(lines 524 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,296 INFO  L268        CegarLoopResult]: For program point  L789(lines 789 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,296 INFO  L268        CegarLoopResult]: For program point  L591(lines 591 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,297 INFO  L268        CegarLoopResult]: For program point  L195-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,297 INFO  L268        CegarLoopResult]: For program point  L129-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,297 INFO  L268        CegarLoopResult]: For program point  L63-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,297 INFO  L268        CegarLoopResult]: For program point  L724(lines 724 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,297 INFO  L268        CegarLoopResult]: For program point  L460(lines 460 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,297 INFO  L268        CegarLoopResult]: For program point  L196(line 196)  no Hoare annotation was computed.
[2020-07-20 17:33:08,297 INFO  L268        CegarLoopResult]: For program point  L130(line 130)  no Hoare annotation was computed.
[2020-07-20 17:33:08,297 INFO  L268        CegarLoopResult]: For program point  L64(line 64)  no Hoare annotation was computed.
[2020-07-20 17:33:08,297 INFO  L268        CegarLoopResult]: For program point  L329(lines 329 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,298 INFO  L268        CegarLoopResult]: For program point  L396(lines 396 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,298 INFO  L268        CegarLoopResult]: For program point  L264(lines 264 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,298 INFO  L268        CegarLoopResult]: For program point  L198-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,298 INFO  L268        CegarLoopResult]: For program point  L132-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,298 INFO  L268        CegarLoopResult]: For program point  L66-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,298 INFO  L268        CegarLoopResult]: For program point  L859(lines 859 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,298 INFO  L268        CegarLoopResult]: For program point  L199(line 199)  no Hoare annotation was computed.
[2020-07-20 17:33:08,298 INFO  L268        CegarLoopResult]: For program point  L133(line 133)  no Hoare annotation was computed.
[2020-07-20 17:33:08,298 INFO  L268        CegarLoopResult]: For program point  L67(line 67)  no Hoare annotation was computed.
[2020-07-20 17:33:08,299 INFO  L268        CegarLoopResult]: For program point  L662(lines 662 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,299 INFO  L268        CegarLoopResult]: For program point  L530(lines 530 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,299 INFO  L268        CegarLoopResult]: For program point  L795(lines 795 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,299 INFO  L268        CegarLoopResult]: For program point  L597(lines 597 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,299 INFO  L268        CegarLoopResult]: For program point  L201-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,299 INFO  L268        CegarLoopResult]: For program point  L135-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,299 INFO  L268        CegarLoopResult]: For program point  L69-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,299 INFO  L268        CegarLoopResult]: For program point  L730(lines 730 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,299 INFO  L268        CegarLoopResult]: For program point  L202(line 202)  no Hoare annotation was computed.
[2020-07-20 17:33:08,300 INFO  L268        CegarLoopResult]: For program point  L136(line 136)  no Hoare annotation was computed.
[2020-07-20 17:33:08,300 INFO  L268        CegarLoopResult]: For program point  L70(line 70)  no Hoare annotation was computed.
[2020-07-20 17:33:08,300 INFO  L268        CegarLoopResult]: For program point  L467(lines 467 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,300 INFO  L268        CegarLoopResult]: For program point  L335(lines 335 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,300 INFO  L268        CegarLoopResult]: For program point  L269(lines 269 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,300 INFO  L268        CegarLoopResult]: For program point  L402(lines 402 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,300 INFO  L268        CegarLoopResult]: For program point  L138-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,300 INFO  L268        CegarLoopResult]: For program point  L72-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,300 INFO  L268        CegarLoopResult]: For program point  L865(lines 865 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,301 INFO  L268        CegarLoopResult]: For program point  L139(line 139)  no Hoare annotation was computed.
[2020-07-20 17:33:08,301 INFO  L268        CegarLoopResult]: For program point  L73(line 73)  no Hoare annotation was computed.
[2020-07-20 17:33:08,301 INFO  L268        CegarLoopResult]: For program point  L668(lines 668 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,301 INFO  L268        CegarLoopResult]: For program point  L536(lines 536 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,301 INFO  L268        CegarLoopResult]: For program point  L801(lines 801 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,301 INFO  L268        CegarLoopResult]: For program point  L735(lines 735 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,301 INFO  L268        CegarLoopResult]: For program point  L603(lines 603 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,302 INFO  L268        CegarLoopResult]: For program point  calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 154)  no Hoare annotation was computed.
[2020-07-20 17:33:08,302 INFO  L268        CegarLoopResult]: For program point  L141-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,302 INFO  L268        CegarLoopResult]: For program point  L75-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,302 INFO  L268        CegarLoopResult]: For program point  L472(lines 472 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,302 INFO  L268        CegarLoopResult]: For program point  L142(line 142)  no Hoare annotation was computed.
[2020-07-20 17:33:08,302 INFO  L268        CegarLoopResult]: For program point  L76(line 76)  no Hoare annotation was computed.
[2020-07-20 17:33:08,302 INFO  L268        CegarLoopResult]: For program point  L341(lines 341 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,302 INFO  L268        CegarLoopResult]: For program point  L275(lines 275 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,303 INFO  L268        CegarLoopResult]: For program point  L408(lines 408 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,303 INFO  L268        CegarLoopResult]: For program point  L144-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,303 INFO  L268        CegarLoopResult]: For program point  L78-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,303 INFO  L268        CegarLoopResult]: For program point  L541(lines 541 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,303 INFO  L268        CegarLoopResult]: For program point  L211(lines 211 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,303 INFO  L268        CegarLoopResult]: For program point  L145(line 145)  no Hoare annotation was computed.
[2020-07-20 17:33:08,303 INFO  L268        CegarLoopResult]: For program point  L79(line 79)  no Hoare annotation was computed.
[2020-07-20 17:33:08,303 INFO  L268        CegarLoopResult]: For program point  L674(lines 674 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,303 INFO  L268        CegarLoopResult]: For program point  L807(lines 807 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,304 INFO  L268        CegarLoopResult]: For program point  L741(lines 741 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,304 INFO  L268        CegarLoopResult]: For program point  L609(lines 609 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,304 INFO  L268        CegarLoopResult]: For program point  L147-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,304 INFO  L268        CegarLoopResult]: For program point  L81-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,304 INFO  L268        CegarLoopResult]: For program point  L478(lines 478 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,304 INFO  L268        CegarLoopResult]: For program point  L280(lines 280 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,304 INFO  L268        CegarLoopResult]: For program point  L148(line 148)  no Hoare annotation was computed.
[2020-07-20 17:33:08,304 INFO  L268        CegarLoopResult]: For program point  L82(line 82)  no Hoare annotation was computed.
[2020-07-20 17:33:08,304 INFO  L268        CegarLoopResult]: For program point  L677(lines 677 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,305 INFO  L268        CegarLoopResult]: For program point  L347(lines 347 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,305 INFO  L268        CegarLoopResult]: For program point  L414(lines 414 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,305 INFO  L268        CegarLoopResult]: For program point  L150-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,305 INFO  L268        CegarLoopResult]: For program point  L84-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,305 INFO  L268        CegarLoopResult]: For program point  calculate_outputFINAL(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,305 INFO  L268        CegarLoopResult]: For program point  L547(lines 547 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,305 INFO  L268        CegarLoopResult]: For program point  L217(lines 217 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,305 INFO  L268        CegarLoopResult]: For program point  L151(line 151)  no Hoare annotation was computed.
[2020-07-20 17:33:08,305 INFO  L268        CegarLoopResult]: For program point  L85(line 85)  no Hoare annotation was computed.
[2020-07-20 17:33:08,306 INFO  L268        CegarLoopResult]: For program point  L747(lines 747 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,306 INFO  L268        CegarLoopResult]: For program point  L615(lines 615 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,306 INFO  L268        CegarLoopResult]: For program point  L153-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,306 INFO  L268        CegarLoopResult]: For program point  L87-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,306 INFO  L268        CegarLoopResult]: For program point  L21(lines 21 23)  no Hoare annotation was computed.
[2020-07-20 17:33:08,306 INFO  L268        CegarLoopResult]: For program point  L21-2(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,306 INFO  L268        CegarLoopResult]: For program point  L814(lines 814 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,306 INFO  L268        CegarLoopResult]: For program point  L484(lines 484 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,306 INFO  L268        CegarLoopResult]: For program point  L286(lines 286 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,306 INFO  L268        CegarLoopResult]: For program point  L154(line 154)  no Hoare annotation was computed.
[2020-07-20 17:33:08,307 INFO  L268        CegarLoopResult]: For program point  L88(line 88)  no Hoare annotation was computed.
[2020-07-20 17:33:08,307 INFO  L268        CegarLoopResult]: For program point  L22(line 22)  no Hoare annotation was computed.
[2020-07-20 17:33:08,307 INFO  L268        CegarLoopResult]: For program point  L683(lines 683 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,307 INFO  L268        CegarLoopResult]: For program point  L353(lines 353 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,307 INFO  L268        CegarLoopResult]: For program point  L552(lines 552 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,307 INFO  L268        CegarLoopResult]: For program point  L420(lines 420 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,307 INFO  L268        CegarLoopResult]: For program point  L156-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,307 INFO  L268        CegarLoopResult]: For program point  L90-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,307 INFO  L268        CegarLoopResult]: For program point  L24-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,308 INFO  L268        CegarLoopResult]: For program point  L223(lines 223 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,308 INFO  L268        CegarLoopResult]: For program point  L157(line 157)  no Hoare annotation was computed.
[2020-07-20 17:33:08,308 INFO  L268        CegarLoopResult]: For program point  L91(line 91)  no Hoare annotation was computed.
[2020-07-20 17:33:08,308 INFO  L268        CegarLoopResult]: For program point  L25(line 25)  no Hoare annotation was computed.
[2020-07-20 17:33:08,308 INFO  L268        CegarLoopResult]: For program point  L752(lines 752 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,308 INFO  L268        CegarLoopResult]: For program point  L819(lines 819 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,308 INFO  L268        CegarLoopResult]: For program point  L621(lines 621 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,308 INFO  L268        CegarLoopResult]: For program point  L555(lines 555 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,308 INFO  L268        CegarLoopResult]: For program point  L159-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,309 INFO  L268        CegarLoopResult]: For program point  L93-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,309 INFO  L268        CegarLoopResult]: For program point  L27-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,309 INFO  L268        CegarLoopResult]: For program point  L688(lines 688 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,309 INFO  L268        CegarLoopResult]: For program point  L490(lines 490 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,309 INFO  L268        CegarLoopResult]: For program point  L160(line 160)  no Hoare annotation was computed.
[2020-07-20 17:33:08,309 INFO  L268        CegarLoopResult]: For program point  L94(line 94)  no Hoare annotation was computed.
[2020-07-20 17:33:08,309 INFO  L268        CegarLoopResult]: For program point  L28(line 28)  no Hoare annotation was computed.
[2020-07-20 17:33:08,309 INFO  L268        CegarLoopResult]: For program point  L359(lines 359 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,310 INFO  L268        CegarLoopResult]: For program point  L293(lines 293 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,310 INFO  L268        CegarLoopResult]: For program point  L426(lines 426 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,310 INFO  L268        CegarLoopResult]: For program point  L162-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,310 INFO  L268        CegarLoopResult]: For program point  L96-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,310 INFO  L268        CegarLoopResult]: For program point  L30-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,310 INFO  L268        CegarLoopResult]: For program point  L229(lines 229 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,310 INFO  L268        CegarLoopResult]: For program point  L163(line 163)  no Hoare annotation was computed.
[2020-07-20 17:33:08,310 INFO  L268        CegarLoopResult]: For program point  L97(line 97)  no Hoare annotation was computed.
[2020-07-20 17:33:08,311 INFO  L268        CegarLoopResult]: For program point  L31(line 31)  no Hoare annotation was computed.
[2020-07-20 17:33:08,311 INFO  L268        CegarLoopResult]: For program point  L758(lines 758 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,311 INFO  L268        CegarLoopResult]: For program point  L626(lines 626 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,311 INFO  L268        CegarLoopResult]: For program point  L825(lines 825 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,311 INFO  L268        CegarLoopResult]: For program point  L561(lines 561 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,311 INFO  L268        CegarLoopResult]: For program point  L495(lines 495 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,311 INFO  L268        CegarLoopResult]: For program point  L165-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,311 INFO  L268        CegarLoopResult]: For program point  L99-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,312 INFO  L268        CegarLoopResult]: For program point  L33-1(lines 20 872)  no Hoare annotation was computed.
[2020-07-20 17:33:08,312 INFO  L268        CegarLoopResult]: For program point  L694(lines 694 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,312 INFO  L268        CegarLoopResult]: For program point  L166(line 166)  no Hoare annotation was computed.
[2020-07-20 17:33:08,312 INFO  L268        CegarLoopResult]: For program point  L100(line 100)  no Hoare annotation was computed.
[2020-07-20 17:33:08,312 INFO  L268        CegarLoopResult]: For program point  L34(line 34)  no Hoare annotation was computed.
[2020-07-20 17:33:08,312 INFO  L268        CegarLoopResult]: For program point  L299(lines 299 870)  no Hoare annotation was computed.
[2020-07-20 17:33:08,312 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2020-07-20 17:33:08,313 INFO  L264        CegarLoopResult]: At program point  L-1(line -1)  the Hoare annotation is:  (and (<= ~a24~0 1) (<= (+ ~a12~0 49) 0) (<= ~a15~0 8) (<= 7 ~a21~0) (<= ~a21~0 7) (<= 8 ~a15~0))
[2020-07-20 17:33:08,313 INFO  L271        CegarLoopResult]: At program point  ULTIMATE.startENTRY(line -1)  the Hoare annotation is:  true
[2020-07-20 17:33:08,313 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2020-07-20 17:33:08,313 INFO  L264        CegarLoopResult]: At program point  mainENTRY(lines 874 890)  the Hoare annotation is:  (or (not (<= |old(~a24~0)| 1)) (not (<= (+ |old(~a12~0)| 49) 0)) (not (<= 7 |old(~a21~0)|)) (not (<= |old(~a15~0)| 8)) (and (<= ~a12~0 |old(~a12~0)|) (<= ~a24~0 |old(~a24~0)|) (<= ~a15~0 8) (<= ~a21~0 7) (<= |old(~a21~0)| ~a21~0) (<= 8 ~a15~0)) (not (<= |old(~a21~0)| 7)) (not (<= 8 |old(~a15~0)|)))
[2020-07-20 17:33:08,313 INFO  L268        CegarLoopResult]: For program point  mainEXIT(lines 874 890)  no Hoare annotation was computed.
[2020-07-20 17:33:08,313 INFO  L264        CegarLoopResult]: At program point  L888(line 888)  the Hoare annotation is:  (or (not (<= |old(~a24~0)| 1)) (and (< ~a24~0 2) (< ~a12~0 81)) (<= 7 ~a15~0) (<= ~a15~0 5) (not (<= (+ |old(~a12~0)| 49) 0)) (not (<= 7 |old(~a21~0)|)) (not (<= |old(~a15~0)| 8)) (not (<= |old(~a21~0)| 7)) (not (<= 8 |old(~a15~0)|)) (<= ~a21~0 9))
[2020-07-20 17:33:08,313 INFO  L268        CegarLoopResult]: For program point  L888-1(line 888)  no Hoare annotation was computed.
[2020-07-20 17:33:08,314 INFO  L268        CegarLoopResult]: For program point  L885(line 885)  no Hoare annotation was computed.
[2020-07-20 17:33:08,314 INFO  L264        CegarLoopResult]: At program point  L880-2(lines 880 889)  the Hoare annotation is:  (or (not (<= |old(~a24~0)| 1)) (and (< ~a24~0 2) (< ~a12~0 81)) (<= 7 ~a15~0) (<= ~a15~0 5) (not (<= (+ |old(~a12~0)| 49) 0)) (not (<= 7 |old(~a21~0)|)) (not (<= |old(~a15~0)| 8)) (not (<= |old(~a21~0)| 7)) (not (<= 8 |old(~a15~0)|)) (<= ~a21~0 9))
[2020-07-20 17:33:08,314 INFO  L268        CegarLoopResult]: For program point  L880-3(lines 874 890)  no Hoare annotation was computed.
[2020-07-20 17:33:08,337 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 05:33:08 BoogieIcfgContainer
[2020-07-20 17:33:08,337 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-20 17:33:08,339 INFO  L168              Benchmark]: Toolchain (without parser) took 22126.93 ms. Allocated memory was 144.7 MB in the beginning and 518.0 MB in the end (delta: 373.3 MB). Free memory was 99.6 MB in the beginning and 366.0 MB in the end (delta: -266.4 MB). Peak memory consumption was 399.4 MB. Max. memory is 7.1 GB.
[2020-07-20 17:33:08,340 INFO  L168              Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 144.7 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-07-20 17:33:08,341 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 956.69 ms. Allocated memory was 144.7 MB in the beginning and 206.6 MB in the end (delta: 61.9 MB). Free memory was 99.1 MB in the beginning and 170.2 MB in the end (delta: -71.0 MB). Peak memory consumption was 36.1 MB. Max. memory is 7.1 GB.
[2020-07-20 17:33:08,341 INFO  L168              Benchmark]: Boogie Preprocessor took 149.29 ms. Allocated memory is still 206.6 MB. Free memory was 170.2 MB in the beginning and 164.4 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB.
[2020-07-20 17:33:08,342 INFO  L168              Benchmark]: RCFGBuilder took 1700.20 ms. Allocated memory was 206.6 MB in the beginning and 238.0 MB in the end (delta: 31.5 MB). Free memory was 164.4 MB in the beginning and 160.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB.
[2020-07-20 17:33:08,343 INFO  L168              Benchmark]: TraceAbstraction took 19313.61 ms. Allocated memory was 238.0 MB in the beginning and 518.0 MB in the end (delta: 280.0 MB). Free memory was 158.6 MB in the beginning and 366.0 MB in the end (delta: -207.4 MB). Peak memory consumption was 365.1 MB. Max. memory is 7.1 GB.
[2020-07-20 17:33:08,346 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.23 ms. Allocated memory is still 144.7 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 956.69 ms. Allocated memory was 144.7 MB in the beginning and 206.6 MB in the end (delta: 61.9 MB). Free memory was 99.1 MB in the beginning and 170.2 MB in the end (delta: -71.0 MB). Peak memory consumption was 36.1 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 149.29 ms. Allocated memory is still 206.6 MB. Free memory was 170.2 MB in the beginning and 164.4 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1700.20 ms. Allocated memory was 206.6 MB in the beginning and 238.0 MB in the end (delta: 31.5 MB). Free memory was 164.4 MB in the beginning and 160.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 19313.61 ms. Allocated memory was 238.0 MB in the beginning and 518.0 MB in the end (delta: 280.0 MB). Free memory was 158.6 MB in the beginning and 366.0 MB in the end (delta: -207.4 MB). Peak memory consumption was 365.1 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 154]: 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: 880]: Loop Invariant
    Derived loop invariant: ((((((((!(\old(a24) <= 1) || (a24 < 2 && a12 < 81)) || 7 <= a15) || a15 <= 5) || !(\old(a12) + 49 <= 0)) || !(7 <= \old(a21))) || !(\old(a15) <= 8)) || !(\old(a21) <= 7)) || !(8 <= \old(a15))) || a21 <= 9
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.0s, OverallIterations: 8, TraceHistogramMax: 5, AutomataDifference: 12.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 526 SDtfs, 3536 SDslu, 228 SDs, 0 SdLazy, 6707 SolverSat, 1757 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2293 GetRequests, 2252 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2804occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 8 MinimizatonAttempts, 2442 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 56 PreInvPairs, 94 NumberOfFragments, 266 HoareAnnotationTreeSize, 56 FomulaSimplifications, 3689 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1561 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 2060 NumberOfCodeBlocks, 2060 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 2274 ConstructedInterpolants, 0 QuantifiedInterpolants, 1821494 SizeOfPredicates, 18 NumberOfNonLiveVariables, 3505 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 9 InterpolantComputations, 7 PerfectInterpolantSequences, 2263/2347 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...