/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label46.c


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


This is Ultimate 0.1.25-d623d84
[2020-07-20 14:07:56,080 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-07-20 14:07:56,083 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-20 14:07:56,102 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-20 14:07:56,103 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-20 14:07:56,105 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-20 14:07:56,107 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-07-20 14:07:56,121 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-07-20 14:07:56,123 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-07-20 14:07:56,124 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-07-20 14:07:56,127 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-07-20 14:07:56,128 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-07-20 14:07:56,129 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-07-20 14:07:56,131 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-07-20 14:07:56,132 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-07-20 14:07:56,133 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-20 14:07:56,133 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-20 14:07:56,135 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-20 14:07:56,137 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-20 14:07:56,144 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-20 14:07:56,148 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-20 14:07:56,149 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-20 14:07:56,151 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-07-20 14:07:56,152 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-20 14:07:56,155 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-07-20 14:07:56,156 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-07-20 14:07:56,156 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-07-20 14:07:56,159 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-07-20 14:07:56,159 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-07-20 14:07:56,161 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-07-20 14:07:56,162 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-07-20 14:07:56,163 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-07-20 14:07:56,164 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-07-20 14:07:56,165 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-07-20 14:07:56,169 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-07-20 14:07:56,170 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-07-20 14:07:56,171 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-07-20 14:07:56,171 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-07-20 14:07:56,171 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2020-07-20 14:07:56,174 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-07-20 14:07:56,175 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-07-20 14:07:56,198 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-07-20 14:07:56,198 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-20 14:07:56,200 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-20 14:07:56,201 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-07-20 14:07:56,201 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-07-20 14:07:56,201 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-20 14:07:56,201 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-07-20 14:07:56,201 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-07-20 14:07:56,202 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-07-20 14:07:56,202 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-07-20 14:07:56,203 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-07-20 14:07:56,203 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-20 14:07:56,203 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-07-20 14:07:56,204 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-07-20 14:07:56,204 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-07-20 14:07:56,204 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-07-20 14:07:56,204 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-07-20 14:07:56,205 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-20 14:07:56,205 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-07-20 14:07:56,205 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-07-20 14:07:56,205 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-07-20 14:07:56,205 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-20 14:07:56,206 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-20 14:07:56,206 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-07-20 14:07:56,206 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-20 14:07:56,206 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-07-20 14:07:56,206 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 14:07:56,207 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-20 14:07:56,207 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-07-20 14:07:56,207 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4
[2020-07-20 14:07:56,558 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-20 14:07:56,580 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-20 14:07:56,584 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-20 14:07:56,586 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-07-20 14:07:56,586 INFO  L275        PluginConnector]: CDTParser initialized
[2020-07-20 14:07:56,587 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label46.c
[2020-07-20 14:07:56,657 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72fba6214/40b2e7783ea442edabd4433b2f859c43/FLAGd66cfe8e8
[2020-07-20 14:07:57,178 INFO  L306              CDTParser]: Found 1 translation units.
[2020-07-20 14:07:57,178 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label46.c
[2020-07-20 14:07:57,194 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72fba6214/40b2e7783ea442edabd4433b2f859c43/FLAGd66cfe8e8
[2020-07-20 14:07:57,477 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72fba6214/40b2e7783ea442edabd4433b2f859c43
[2020-07-20 14:07:57,486 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-20 14:07:57,488 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-20 14:07:57,489 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-20 14:07:57,490 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-20 14:07:57,493 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-20 14:07:57,494 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:07:57" (1/1) ...
[2020-07-20 14:07:57,497 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b00e8f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:07:57, skipping insertion in model container
[2020-07-20 14:07:57,497 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:07:57" (1/1) ...
[2020-07-20 14:07:57,505 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-07-20 14:07:57,553 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-07-20 14:07:58,083 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-20 14:07:58,099 INFO  L203         MainTranslator]: Completed pre-run
[2020-07-20 14:07:58,214 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-20 14:07:58,232 INFO  L208         MainTranslator]: Completed translation
[2020-07-20 14:07:58,233 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:07:58 WrapperNode
[2020-07-20 14:07:58,233 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-20 14:07:58,234 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-20 14:07:58,234 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-20 14:07:58,234 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-07-20 14:07:58,249 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:07:58" (1/1) ...
[2020-07-20 14:07:58,250 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:07:58" (1/1) ...
[2020-07-20 14:07:58,269 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:07:58" (1/1) ...
[2020-07-20 14:07:58,269 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:07:58" (1/1) ...
[2020-07-20 14:07:58,319 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:07:58" (1/1) ...
[2020-07-20 14:07:58,338 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:07:58" (1/1) ...
[2020-07-20 14:07:58,349 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:07:58" (1/1) ...
[2020-07-20 14:07:58,354 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-20 14:07:58,355 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-20 14:07:58,355 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-07-20 14:07:58,355 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-07-20 14:07:58,356 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:07:58" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-20 14:07:58,440 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-20 14:07:58,440 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-20 14:07:58,441 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output
[2020-07-20 14:07:58,441 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-07-20 14:07:58,441 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output
[2020-07-20 14:07:58,442 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-20 14:07:58,442 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-07-20 14:07:58,442 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2020-07-20 14:07:58,443 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-07-20 14:07:58,443 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-20 14:07:58,444 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-20 14:07:59,734 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-20 14:07:59,734 INFO  L295             CfgBuilder]: Removed 1 assume(true) statements.
[2020-07-20 14:07:59,741 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:07:59 BoogieIcfgContainer
[2020-07-20 14:07:59,741 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-20 14:07:59,742 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-20 14:07:59,743 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-07-20 14:07:59,746 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-07-20 14:07:59,747 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 02:07:57" (1/3) ...
[2020-07-20 14:07:59,748 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57301333 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:07:59, skipping insertion in model container
[2020-07-20 14:07:59,748 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:07:58" (2/3) ...
[2020-07-20 14:07:59,749 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57301333 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:07:59, skipping insertion in model container
[2020-07-20 14:07:59,749 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:07:59" (3/3) ...
[2020-07-20 14:07:59,751 INFO  L109   eAbstractionObserver]: Analyzing ICFG Problem02_label46.c
[2020-07-20 14:07:59,763 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION
[2020-07-20 14:07:59,772 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-20 14:07:59,788 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-20 14:07:59,818 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-07-20 14:07:59,818 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-07-20 14:07:59,819 INFO  L377      AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect
[2020-07-20 14:07:59,819 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-20 14:07:59,819 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-20 14:07:59,819 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-07-20 14:07:59,820 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-20 14:07:59,820 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-20 14:07:59,847 INFO  L276                IsEmpty]: Start isEmpty. Operand 236 states.
[2020-07-20 14:07:59,861 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 119
[2020-07-20 14:07:59,861 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 14:07:59,863 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 14:07:59,863 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 14:07:59,870 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 14:07:59,870 INFO  L82        PathProgramCache]: Analyzing trace with hash -1613804370, now seen corresponding path program 1 times
[2020-07-20 14:07:59,880 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 14:07:59,881 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1111564938]
[2020-07-20 14:07:59,882 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 14:08:00,069 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 14:08:00,069 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 14:08:00,072 INFO  L263         TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 6 conjunts are in the unsatisfiable core
[2020-07-20 14:08:00,082 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 14:08:00,181 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 14:08:00,182 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 14:08:00,183 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1111564938]
[2020-07-20 14:08:00,184 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 14:08:00,184 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 14:08:00,185 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97601700]
[2020-07-20 14:08:00,191 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 14:08:00,191 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 14:08:00,206 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 14:08:00,207 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 14:08:00,209 INFO  L87              Difference]: Start difference. First operand 236 states. Second operand 3 states.
[2020-07-20 14:08:01,224 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 14:08:01,225 INFO  L93              Difference]: Finished difference Result 619 states and 1060 transitions.
[2020-07-20 14:08:01,229 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 14:08:01,230 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 118
[2020-07-20 14:08:01,231 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 14:08:01,261 INFO  L225             Difference]: With dead ends: 619
[2020-07-20 14:08:01,261 INFO  L226             Difference]: Without dead ends: 321
[2020-07-20 14:08:01,275 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 14:08:01,301 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 321 states.
[2020-07-20 14:08:01,395 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 319.
[2020-07-20 14:08:01,396 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 319 states.
[2020-07-20 14:08:01,400 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 421 transitions.
[2020-07-20 14:08:01,402 INFO  L78                 Accepts]: Start accepts. Automaton has 319 states and 421 transitions. Word has length 118
[2020-07-20 14:08:01,404 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 14:08:01,404 INFO  L479      AbstractCegarLoop]: Abstraction has 319 states and 421 transitions.
[2020-07-20 14:08:01,404 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 14:08:01,405 INFO  L276                IsEmpty]: Start isEmpty. Operand 319 states and 421 transitions.
[2020-07-20 14:08:01,416 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 128
[2020-07-20 14:08:01,416 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 14:08:01,417 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 14:08:01,633 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 14:08:01,633 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 14:08:01,634 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 14:08:01,635 INFO  L82        PathProgramCache]: Analyzing trace with hash -1482861857, now seen corresponding path program 1 times
[2020-07-20 14:08:01,635 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 14:08:01,636 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [487878042]
[2020-07-20 14:08:01,636 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 14:08:01,774 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 14:08:01,774 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 14:08:01,776 INFO  L263         TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 8 conjunts are in the unsatisfiable core
[2020-07-20 14:08:01,792 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 14:08:01,837 INFO  L134       CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2020-07-20 14:08:01,838 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2020-07-20 14:08:01,922 INFO  L134       CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2020-07-20 14:08:01,923 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [487878042]
[2020-07-20 14:08:01,923 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2020-07-20 14:08:01,923 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5
[2020-07-20 14:08:01,924 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713439195]
[2020-07-20 14:08:01,925 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-07-20 14:08:01,926 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 14:08:01,926 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-07-20 14:08:01,926 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-07-20 14:08:01,927 INFO  L87              Difference]: Start difference. First operand 319 states and 421 transitions. Second operand 4 states.
[2020-07-20 14:08:02,677 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 14:08:02,677 INFO  L93              Difference]: Finished difference Result 941 states and 1256 transitions.
[2020-07-20 14:08:02,678 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2020-07-20 14:08:02,678 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 127
[2020-07-20 14:08:02,679 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 14:08:02,687 INFO  L225             Difference]: With dead ends: 941
[2020-07-20 14:08:02,687 INFO  L226             Difference]: Without dead ends: 628
[2020-07-20 14:08:02,689 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 246 SyntacticMatches, 4 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-07-20 14:08:02,694 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 628 states.
[2020-07-20 14:08:02,726 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 628.
[2020-07-20 14:08:02,726 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 628 states.
[2020-07-20 14:08:02,730 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 815 transitions.
[2020-07-20 14:08:02,730 INFO  L78                 Accepts]: Start accepts. Automaton has 628 states and 815 transitions. Word has length 127
[2020-07-20 14:08:02,731 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 14:08:02,731 INFO  L479      AbstractCegarLoop]: Abstraction has 628 states and 815 transitions.
[2020-07-20 14:08:02,732 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-07-20 14:08:02,732 INFO  L276                IsEmpty]: Start isEmpty. Operand 628 states and 815 transitions.
[2020-07-20 14:08:02,734 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 136
[2020-07-20 14:08:02,735 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 14:08:02,735 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 14:08:02,949 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 14:08:02,950 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 14:08:02,951 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 14:08:02,952 INFO  L82        PathProgramCache]: Analyzing trace with hash -608996166, now seen corresponding path program 1 times
[2020-07-20 14:08:02,952 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 14:08:02,953 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1749751926]
[2020-07-20 14:08:02,954 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 14:08:03,078 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 14:08:03,078 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 14:08:03,080 INFO  L263         TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 14:08:03,084 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 14:08:03,126 INFO  L134       CoverageAnalysis]: Checked inductivity of 19 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2020-07-20 14:08:03,127 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 14:08:03,127 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1749751926]
[2020-07-20 14:08:03,128 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 14:08:03,128 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 14:08:03,128 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179077465]
[2020-07-20 14:08:03,129 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 14:08:03,129 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 14:08:03,129 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 14:08:03,130 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 14:08:03,130 INFO  L87              Difference]: Start difference. First operand 628 states and 815 transitions. Second operand 3 states.
[2020-07-20 14:08:03,831 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 14:08:03,832 INFO  L93              Difference]: Finished difference Result 1543 states and 2083 transitions.
[2020-07-20 14:08:03,832 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 14:08:03,832 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 135
[2020-07-20 14:08:03,833 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 14:08:03,840 INFO  L225             Difference]: With dead ends: 1543
[2020-07-20 14:08:03,840 INFO  L226             Difference]: Without dead ends: 921
[2020-07-20 14:08:03,842 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 14:08:03,844 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 921 states.
[2020-07-20 14:08:03,874 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 919.
[2020-07-20 14:08:03,875 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 919 states.
[2020-07-20 14:08:03,880 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 919 states and 1209 transitions.
[2020-07-20 14:08:03,880 INFO  L78                 Accepts]: Start accepts. Automaton has 919 states and 1209 transitions. Word has length 135
[2020-07-20 14:08:03,881 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 14:08:03,881 INFO  L479      AbstractCegarLoop]: Abstraction has 919 states and 1209 transitions.
[2020-07-20 14:08:03,881 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 14:08:03,881 INFO  L276                IsEmpty]: Start isEmpty. Operand 919 states and 1209 transitions.
[2020-07-20 14:08:03,885 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 142
[2020-07-20 14:08:03,885 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 14:08:03,885 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 14:08:04,098 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 14:08:04,099 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 14:08:04,100 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 14:08:04,100 INFO  L82        PathProgramCache]: Analyzing trace with hash 1779819568, now seen corresponding path program 1 times
[2020-07-20 14:08:04,101 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 14:08:04,102 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [203411927]
[2020-07-20 14:08:04,102 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 14:08:04,232 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 14:08:04,232 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 14:08:04,234 INFO  L263         TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 11 conjunts are in the unsatisfiable core
[2020-07-20 14:08:04,237 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 14:08:04,306 INFO  L134       CoverageAnalysis]: Checked inductivity of 26 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2020-07-20 14:08:04,307 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 14:08:04,307 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [203411927]
[2020-07-20 14:08:04,308 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 14:08:04,308 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-07-20 14:08:04,308 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791936093]
[2020-07-20 14:08:04,311 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-07-20 14:08:04,312 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 14:08:04,312 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-07-20 14:08:04,312 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-07-20 14:08:04,312 INFO  L87              Difference]: Start difference. First operand 919 states and 1209 transitions. Second operand 5 states.
[2020-07-20 14:08:05,194 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 14:08:05,194 INFO  L93              Difference]: Finished difference Result 2770 states and 3826 transitions.
[2020-07-20 14:08:05,196 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2020-07-20 14:08:05,196 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 141
[2020-07-20 14:08:05,196 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 14:08:05,215 INFO  L225             Difference]: With dead ends: 2770
[2020-07-20 14:08:05,216 INFO  L226             Difference]: Without dead ends: 1857
[2020-07-20 14:08:05,219 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2020-07-20 14:08:05,222 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1857 states.
[2020-07-20 14:08:05,292 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1829.
[2020-07-20 14:08:05,292 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1829 states.
[2020-07-20 14:08:05,302 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1829 states to 1829 states and 2368 transitions.
[2020-07-20 14:08:05,302 INFO  L78                 Accepts]: Start accepts. Automaton has 1829 states and 2368 transitions. Word has length 141
[2020-07-20 14:08:05,303 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 14:08:05,303 INFO  L479      AbstractCegarLoop]: Abstraction has 1829 states and 2368 transitions.
[2020-07-20 14:08:05,303 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-07-20 14:08:05,303 INFO  L276                IsEmpty]: Start isEmpty. Operand 1829 states and 2368 transitions.
[2020-07-20 14:08:05,308 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 145
[2020-07-20 14:08:05,309 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 14:08:05,309 INFO  L422         BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 14:08:05,523 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 14:08:05,524 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 14:08:05,524 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 14:08:05,525 INFO  L82        PathProgramCache]: Analyzing trace with hash 2035775571, now seen corresponding path program 2 times
[2020-07-20 14:08:05,525 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 14:08:05,526 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1904414648]
[2020-07-20 14:08:05,526 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 14:08:05,627 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 14:08:05,628 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 14:08:05,629 INFO  L263         TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 14:08:05,632 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 14:08:05,705 INFO  L134       CoverageAnalysis]: Checked inductivity of 42 backedges. 35 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2020-07-20 14:08:05,706 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2020-07-20 14:08:05,780 INFO  L134       CoverageAnalysis]: Checked inductivity of 42 backedges. 35 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2020-07-20 14:08:05,780 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1904414648]
[2020-07-20 14:08:05,781 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-07-20 14:08:05,781 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7
[2020-07-20 14:08:05,781 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287467797]
[2020-07-20 14:08:05,782 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-07-20 14:08:05,782 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 14:08:05,782 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-07-20 14:08:05,783 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42
[2020-07-20 14:08:05,783 INFO  L87              Difference]: Start difference. First operand 1829 states and 2368 transitions. Second operand 7 states.
[2020-07-20 14:08:07,081 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 14:08:07,081 INFO  L93              Difference]: Finished difference Result 4288 states and 5653 transitions.
[2020-07-20 14:08:07,082 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2020-07-20 14:08:07,082 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 144
[2020-07-20 14:08:07,082 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 14:08:07,095 INFO  L225             Difference]: With dead ends: 4288
[2020-07-20 14:08:07,096 INFO  L226             Difference]: Without dead ends: 2465
[2020-07-20 14:08:07,100 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 285 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110
[2020-07-20 14:08:07,104 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2465 states.
[2020-07-20 14:08:07,162 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2465 to 2451.
[2020-07-20 14:08:07,162 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2451 states.
[2020-07-20 14:08:07,172 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2451 states to 2451 states and 3025 transitions.
[2020-07-20 14:08:07,172 INFO  L78                 Accepts]: Start accepts. Automaton has 2451 states and 3025 transitions. Word has length 144
[2020-07-20 14:08:07,173 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 14:08:07,173 INFO  L479      AbstractCegarLoop]: Abstraction has 2451 states and 3025 transitions.
[2020-07-20 14:08:07,173 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-07-20 14:08:07,173 INFO  L276                IsEmpty]: Start isEmpty. Operand 2451 states and 3025 transitions.
[2020-07-20 14:08:07,180 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 150
[2020-07-20 14:08:07,180 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 14:08:07,180 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 14:08:07,393 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 14:08:07,394 INFO  L427      AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 14:08:07,395 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 14:08:07,395 INFO  L82        PathProgramCache]: Analyzing trace with hash 488288567, now seen corresponding path program 1 times
[2020-07-20 14:08:07,396 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 14:08:07,397 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1009049832]
[2020-07-20 14:08:07,397 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 14:08:07,495 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 14:08:07,496 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 14:08:07,497 INFO  L263         TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 14:08:07,500 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 14:08:07,533 INFO  L134       CoverageAnalysis]: Checked inductivity of 34 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 14:08:07,534 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2020-07-20 14:08:07,607 INFO  L134       CoverageAnalysis]: Checked inductivity of 34 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 14:08:07,607 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1009049832]
[2020-07-20 14:08:07,608 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-07-20 14:08:07,608 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6
[2020-07-20 14:08:07,608 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488959704]
[2020-07-20 14:08:07,608 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 14:08:07,609 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 14:08:07,609 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 14:08:07,609 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2020-07-20 14:08:07,609 INFO  L87              Difference]: Start difference. First operand 2451 states and 3025 transitions. Second operand 6 states.
[2020-07-20 14:08:08,570 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 14:08:08,571 INFO  L93              Difference]: Finished difference Result 5380 states and 6724 transitions.
[2020-07-20 14:08:08,574 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-07-20 14:08:08,575 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 149
[2020-07-20 14:08:08,575 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 14:08:08,589 INFO  L225             Difference]: With dead ends: 5380
[2020-07-20 14:08:08,589 INFO  L226             Difference]: Without dead ends: 2935
[2020-07-20 14:08:08,595 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 292 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72
[2020-07-20 14:08:08,599 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2935 states.
[2020-07-20 14:08:08,660 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2935 to 2919.
[2020-07-20 14:08:08,661 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2919 states.
[2020-07-20 14:08:08,672 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2919 states to 2919 states and 3591 transitions.
[2020-07-20 14:08:08,672 INFO  L78                 Accepts]: Start accepts. Automaton has 2919 states and 3591 transitions. Word has length 149
[2020-07-20 14:08:08,672 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 14:08:08,672 INFO  L479      AbstractCegarLoop]: Abstraction has 2919 states and 3591 transitions.
[2020-07-20 14:08:08,673 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 14:08:08,673 INFO  L276                IsEmpty]: Start isEmpty. Operand 2919 states and 3591 transitions.
[2020-07-20 14:08:08,680 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 152
[2020-07-20 14:08:08,681 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 14:08:08,681 INFO  L422         BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 14:08:08,895 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 14:08:08,896 INFO  L427      AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 14:08:08,897 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 14:08:08,897 INFO  L82        PathProgramCache]: Analyzing trace with hash 364253317, now seen corresponding path program 1 times
[2020-07-20 14:08:08,898 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 14:08:08,898 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [137442544]
[2020-07-20 14:08:08,899 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 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 14:08:09,006 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 14:08:09,006 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 14:08:09,008 INFO  L263         TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 7 conjunts are in the unsatisfiable core
[2020-07-20 14:08:09,010 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 14:08:09,041 INFO  L134       CoverageAnalysis]: Checked inductivity of 49 backedges. 42 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2020-07-20 14:08:09,041 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2020-07-20 14:08:09,141 INFO  L134       CoverageAnalysis]: Checked inductivity of 49 backedges. 42 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2020-07-20 14:08:09,142 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [137442544]
[2020-07-20 14:08:09,142 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-07-20 14:08:09,142 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7
[2020-07-20 14:08:09,142 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720881414]
[2020-07-20 14:08:09,143 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-07-20 14:08:09,143 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 14:08:09,144 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-07-20 14:08:09,144 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2020-07-20 14:08:09,144 INFO  L87              Difference]: Start difference. First operand 2919 states and 3591 transitions. Second operand 7 states.
[2020-07-20 14:08:10,534 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 14:08:10,536 INFO  L93              Difference]: Finished difference Result 6933 states and 8500 transitions.
[2020-07-20 14:08:10,537 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-07-20 14:08:10,537 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 151
[2020-07-20 14:08:10,537 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 14:08:10,556 INFO  L225             Difference]: With dead ends: 6933
[2020-07-20 14:08:10,556 INFO  L226             Difference]: Without dead ends: 4020
[2020-07-20 14:08:10,564 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72
[2020-07-20 14:08:10,569 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4020 states.
[2020-07-20 14:08:10,701 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4020 to 3582.
[2020-07-20 14:08:10,701 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3582 states.
[2020-07-20 14:08:10,710 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3582 states to 3582 states and 4202 transitions.
[2020-07-20 14:08:10,710 INFO  L78                 Accepts]: Start accepts. Automaton has 3582 states and 4202 transitions. Word has length 151
[2020-07-20 14:08:10,711 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 14:08:10,711 INFO  L479      AbstractCegarLoop]: Abstraction has 3582 states and 4202 transitions.
[2020-07-20 14:08:10,711 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-07-20 14:08:10,711 INFO  L276                IsEmpty]: Start isEmpty. Operand 3582 states and 4202 transitions.
[2020-07-20 14:08:10,720 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 154
[2020-07-20 14:08:10,720 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 14:08:10,720 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 14:08:10,933 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 14:08:10,934 INFO  L427      AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 14:08:10,934 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 14:08:10,934 INFO  L82        PathProgramCache]: Analyzing trace with hash -444558417, now seen corresponding path program 1 times
[2020-07-20 14:08:10,935 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 14:08:10,935 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [334850183]
[2020-07-20 14:08:10,935 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 14:08:11,048 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 14:08:11,048 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 14:08:11,050 INFO  L263         TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 14:08:11,054 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 14:08:11,089 INFO  L134       CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2020-07-20 14:08:11,090 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 14:08:11,090 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [334850183]
[2020-07-20 14:08:11,090 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 14:08:11,091 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 14:08:11,091 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808600470]
[2020-07-20 14:08:11,092 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 14:08:11,092 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 14:08:11,092 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 14:08:11,092 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 14:08:11,092 INFO  L87              Difference]: Start difference. First operand 3582 states and 4202 transitions. Second operand 3 states.
[2020-07-20 14:08:11,662 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 14:08:11,662 INFO  L93              Difference]: Finished difference Result 8314 states and 9746 transitions.
[2020-07-20 14:08:11,663 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 14:08:11,663 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 153
[2020-07-20 14:08:11,663 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 14:08:11,678 INFO  L225             Difference]: With dead ends: 8314
[2020-07-20 14:08:11,678 INFO  L226             Difference]: Without dead ends: 3562
[2020-07-20 14:08:11,689 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 14:08:11,694 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3562 states.
[2020-07-20 14:08:11,760 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3562 to 3562.
[2020-07-20 14:08:11,760 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3562 states.
[2020-07-20 14:08:11,767 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3562 states to 3562 states and 4103 transitions.
[2020-07-20 14:08:11,768 INFO  L78                 Accepts]: Start accepts. Automaton has 3562 states and 4103 transitions. Word has length 153
[2020-07-20 14:08:11,768 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 14:08:11,768 INFO  L479      AbstractCegarLoop]: Abstraction has 3562 states and 4103 transitions.
[2020-07-20 14:08:11,769 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 14:08:11,769 INFO  L276                IsEmpty]: Start isEmpty. Operand 3562 states and 4103 transitions.
[2020-07-20 14:08:11,778 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 193
[2020-07-20 14:08:11,778 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 14:08:11,778 INFO  L422         BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 14:08:11,993 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 14:08:11,994 INFO  L427      AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 14:08:11,995 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 14:08:11,995 INFO  L82        PathProgramCache]: Analyzing trace with hash -1372785907, now seen corresponding path program 1 times
[2020-07-20 14:08:11,995 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 14:08:11,996 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1246522807]
[2020-07-20 14:08:11,996 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 14:08:12,120 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 14:08:12,120 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 14:08:12,123 INFO  L263         TraceCheckSpWp]: Trace formula consists of 585 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 14:08:12,126 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 14:08:12,230 INFO  L134       CoverageAnalysis]: Checked inductivity of 161 backedges. 88 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked.
[2020-07-20 14:08:12,231 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2020-07-20 14:08:12,311 INFO  L134       CoverageAnalysis]: Checked inductivity of 161 backedges. 93 proven. 18 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked.
[2020-07-20 14:08:12,312 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1246522807]
[2020-07-20 14:08:12,312 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-07-20 14:08:12,312 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7
[2020-07-20 14:08:12,313 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944618748]
[2020-07-20 14:08:12,314 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-07-20 14:08:12,314 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 14:08:12,314 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-07-20 14:08:12,315 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2020-07-20 14:08:12,315 INFO  L87              Difference]: Start difference. First operand 3562 states and 4103 transitions. Second operand 7 states.
[2020-07-20 14:08:12,733 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 14:08:12,733 INFO  L93              Difference]: Finished difference Result 4213 states and 4750 transitions.
[2020-07-20 14:08:12,734 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-07-20 14:08:12,734 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 192
[2020-07-20 14:08:12,734 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 14:08:12,740 INFO  L225             Difference]: With dead ends: 4213
[2020-07-20 14:08:12,740 INFO  L226             Difference]: Without dead ends: 1648
[2020-07-20 14:08:12,747 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 378 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2020-07-20 14:08:12,749 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1648 states.
[2020-07-20 14:08:12,775 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1648 to 1502.
[2020-07-20 14:08:12,775 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1502 states.
[2020-07-20 14:08:12,778 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1502 states to 1502 states and 1671 transitions.
[2020-07-20 14:08:12,778 INFO  L78                 Accepts]: Start accepts. Automaton has 1502 states and 1671 transitions. Word has length 192
[2020-07-20 14:08:12,778 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 14:08:12,779 INFO  L479      AbstractCegarLoop]: Abstraction has 1502 states and 1671 transitions.
[2020-07-20 14:08:12,779 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-07-20 14:08:12,779 INFO  L276                IsEmpty]: Start isEmpty. Operand 1502 states and 1671 transitions.
[2020-07-20 14:08:12,783 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 196
[2020-07-20 14:08:12,784 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 14:08:12,784 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 14:08:12,999 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 14:08:13,000 INFO  L427      AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 14:08:13,000 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 14:08:13,000 INFO  L82        PathProgramCache]: Analyzing trace with hash 840262598, now seen corresponding path program 1 times
[2020-07-20 14:08:13,001 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 14:08:13,001 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1776022490]
[2020-07-20 14:08:13,001 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 14:08:13,111 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 14:08:13,112 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 14:08:13,113 INFO  L263         TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 7 conjunts are in the unsatisfiable core
[2020-07-20 14:08:13,116 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 14:08:13,161 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 82 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 14:08:13,161 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2020-07-20 14:08:13,289 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 82 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 14:08:13,290 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1776022490]
[2020-07-20 14:08:13,290 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-07-20 14:08:13,290 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6
[2020-07-20 14:08:13,290 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821839118]
[2020-07-20 14:08:13,291 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 14:08:13,291 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 14:08:13,292 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 14:08:13,292 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2020-07-20 14:08:13,292 INFO  L87              Difference]: Start difference. First operand 1502 states and 1671 transitions. Second operand 6 states.
[2020-07-20 14:08:14,505 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 14:08:14,505 INFO  L93              Difference]: Finished difference Result 3887 states and 4316 transitions.
[2020-07-20 14:08:14,506 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2020-07-20 14:08:14,506 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 195
[2020-07-20 14:08:14,506 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 14:08:14,507 INFO  L225             Difference]: With dead ends: 3887
[2020-07-20 14:08:14,507 INFO  L226             Difference]: Without dead ends: 0
[2020-07-20 14:08:14,516 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 395 GetRequests, 388 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72
[2020-07-20 14:08:14,516 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-07-20 14:08:14,517 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-07-20 14:08:14,517 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-07-20 14:08:14,517 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-07-20 14:08:14,517 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 195
[2020-07-20 14:08:14,518 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 14:08:14,518 INFO  L479      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-07-20 14:08:14,518 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 14:08:14,518 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-07-20 14:08:14,518 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-07-20 14:08:14,732 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 14:08:14,737 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-07-20 14:08:16,722 WARN  L193               SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 126 DAG size of output: 76
[2020-07-20 14:08:17,588 WARN  L193               SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 60
[2020-07-20 14:08:18,245 WARN  L193               SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 60
[2020-07-20 14:08:18,249 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initFINAL(line -1)  no Hoare annotation was computed.
[2020-07-20 14:08:18,249 INFO  L264        CegarLoopResult]: At program point  ULTIMATE.initENTRY(line -1)  the Hoare annotation is:  (and (<= ~a17~0 |old(~a17~0)|) (<= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a19~0 |old(~a19~0)|) (<= |old(~a28~0)| ~a28~0) (= ~a25~0 |old(~a25~0)|))
[2020-07-20 14:08:18,250 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initEXIT(line -1)  no Hoare annotation was computed.
[2020-07-20 14:08:18,250 INFO  L268        CegarLoopResult]: For program point  L564-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,250 INFO  L268        CegarLoopResult]: For program point  L531-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,250 INFO  L268        CegarLoopResult]: For program point  L498-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,250 INFO  L268        CegarLoopResult]: For program point  L465-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,250 INFO  L268        CegarLoopResult]: For program point  L432-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,250 INFO  L268        CegarLoopResult]: For program point  L234(lines 234 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,251 INFO  L268        CegarLoopResult]: For program point  L69(lines 69 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,251 INFO  L268        CegarLoopResult]: For program point  L565(line 565)  no Hoare annotation was computed.
[2020-07-20 14:08:18,251 INFO  L268        CegarLoopResult]: For program point  L532(line 532)  no Hoare annotation was computed.
[2020-07-20 14:08:18,251 INFO  L268        CegarLoopResult]: For program point  L499(line 499)  no Hoare annotation was computed.
[2020-07-20 14:08:18,251 INFO  L268        CegarLoopResult]: For program point  L466(line 466)  no Hoare annotation was computed.
[2020-07-20 14:08:18,251 INFO  L268        CegarLoopResult]: For program point  L433(line 433)  no Hoare annotation was computed.
[2020-07-20 14:08:18,252 INFO  L268        CegarLoopResult]: For program point  L202(lines 202 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,252 INFO  L268        CegarLoopResult]: For program point  L169(lines 169 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,252 INFO  L268        CegarLoopResult]: For program point  L368(lines 368 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,252 INFO  L268        CegarLoopResult]: For program point  L203(lines 203 210)  no Hoare annotation was computed.
[2020-07-20 14:08:18,252 INFO  L268        CegarLoopResult]: For program point  L203-2(lines 203 210)  no Hoare annotation was computed.
[2020-07-20 14:08:18,252 INFO  L268        CegarLoopResult]: For program point  L38(lines 38 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,252 INFO  L268        CegarLoopResult]: For program point  L567-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,252 INFO  L268        CegarLoopResult]: For program point  L534-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,252 INFO  L268        CegarLoopResult]: For program point  L501-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,253 INFO  L268        CegarLoopResult]: For program point  L468-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,253 INFO  L268        CegarLoopResult]: For program point  L402(lines 402 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,253 INFO  L268        CegarLoopResult]: For program point  L435-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,253 INFO  L268        CegarLoopResult]: For program point  L237(lines 237 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,253 INFO  L268        CegarLoopResult]: For program point  L568(line 568)  no Hoare annotation was computed.
[2020-07-20 14:08:18,253 INFO  L268        CegarLoopResult]: For program point  L535(line 535)  no Hoare annotation was computed.
[2020-07-20 14:08:18,253 INFO  L268        CegarLoopResult]: For program point  L502(line 502)  no Hoare annotation was computed.
[2020-07-20 14:08:18,253 INFO  L268        CegarLoopResult]: For program point  L469(line 469)  no Hoare annotation was computed.
[2020-07-20 14:08:18,253 INFO  L268        CegarLoopResult]: For program point  L436(line 436)  no Hoare annotation was computed.
[2020-07-20 14:08:18,253 INFO  L268        CegarLoopResult]: For program point  L337(lines 337 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,253 INFO  L268        CegarLoopResult]: For program point  L238(lines 238 246)  no Hoare annotation was computed.
[2020-07-20 14:08:18,254 INFO  L268        CegarLoopResult]: For program point  L238-2(lines 238 246)  no Hoare annotation was computed.
[2020-07-20 14:08:18,254 INFO  L268        CegarLoopResult]: For program point  L139(lines 139 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,254 INFO  L268        CegarLoopResult]: For program point  L106(lines 106 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,254 INFO  L268        CegarLoopResult]: For program point  L404(lines 404 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,254 INFO  L268        CegarLoopResult]: For program point  L338(lines 338 347)  no Hoare annotation was computed.
[2020-07-20 14:08:18,254 INFO  L268        CegarLoopResult]: For program point  L338-2(lines 338 347)  no Hoare annotation was computed.
[2020-07-20 14:08:18,254 INFO  L268        CegarLoopResult]: For program point  L74(lines 74 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,255 INFO  L268        CegarLoopResult]: For program point  L570-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,255 INFO  L268        CegarLoopResult]: For program point  L537-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,255 INFO  L268        CegarLoopResult]: For program point  L504-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,255 INFO  L268        CegarLoopResult]: For program point  L471-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,255 INFO  L268        CegarLoopResult]: For program point  L438-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,255 INFO  L268        CegarLoopResult]: For program point  calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 508)  no Hoare annotation was computed.
[2020-07-20 14:08:18,255 INFO  L268        CegarLoopResult]: For program point  L75(lines 75 80)  no Hoare annotation was computed.
[2020-07-20 14:08:18,256 INFO  L268        CegarLoopResult]: For program point  L42(lines 42 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,256 INFO  L268        CegarLoopResult]: For program point  L75-2(lines 75 80)  no Hoare annotation was computed.
[2020-07-20 14:08:18,256 INFO  L268        CegarLoopResult]: For program point  L571(line 571)  no Hoare annotation was computed.
[2020-07-20 14:08:18,256 INFO  L268        CegarLoopResult]: For program point  L538(line 538)  no Hoare annotation was computed.
[2020-07-20 14:08:18,256 INFO  L268        CegarLoopResult]: For program point  L505(line 505)  no Hoare annotation was computed.
[2020-07-20 14:08:18,256 INFO  L268        CegarLoopResult]: For program point  L472(line 472)  no Hoare annotation was computed.
[2020-07-20 14:08:18,256 INFO  L268        CegarLoopResult]: For program point  L439(line 439)  no Hoare annotation was computed.
[2020-07-20 14:08:18,256 INFO  L268        CegarLoopResult]: For program point  L175(lines 175 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,257 INFO  L268        CegarLoopResult]: For program point  L407(lines 407 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,257 INFO  L268        CegarLoopResult]: For program point  L143(lines 143 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,257 INFO  L268        CegarLoopResult]: For program point  L573-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,257 INFO  L268        CegarLoopResult]: For program point  L540-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,257 INFO  L268        CegarLoopResult]: For program point  L507-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,257 INFO  L268        CegarLoopResult]: For program point  L474-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,257 INFO  L268        CegarLoopResult]: For program point  L441-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,258 INFO  L268        CegarLoopResult]: For program point  L375(lines 375 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,258 INFO  L268        CegarLoopResult]: For program point  L309(lines 309 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,258 INFO  L268        CegarLoopResult]: For program point  L276(lines 276 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,258 INFO  L268        CegarLoopResult]: For program point  L574(line 574)  no Hoare annotation was computed.
[2020-07-20 14:08:18,258 INFO  L268        CegarLoopResult]: For program point  L541(line 541)  no Hoare annotation was computed.
[2020-07-20 14:08:18,258 INFO  L268        CegarLoopResult]: For program point  L508(line 508)  no Hoare annotation was computed.
[2020-07-20 14:08:18,258 INFO  L268        CegarLoopResult]: For program point  L475(line 475)  no Hoare annotation was computed.
[2020-07-20 14:08:18,258 INFO  L268        CegarLoopResult]: For program point  L442(line 442)  no Hoare annotation was computed.
[2020-07-20 14:08:18,259 INFO  L268        CegarLoopResult]: For program point  L409(lines 409 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,259 INFO  L268        CegarLoopResult]: For program point  L212(lines 212 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,259 INFO  L268        CegarLoopResult]: For program point  L179(lines 179 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,259 INFO  L268        CegarLoopResult]: For program point  L113(lines 113 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,259 INFO  L268        CegarLoopResult]: For program point  L47(lines 47 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,259 INFO  L268        CegarLoopResult]: For program point  L576-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,259 INFO  L268        CegarLoopResult]: For program point  L543-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,259 INFO  L268        CegarLoopResult]: For program point  L510-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,260 INFO  L268        CegarLoopResult]: For program point  L477-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,260 INFO  L268        CegarLoopResult]: For program point  L444-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,260 INFO  L268        CegarLoopResult]: For program point  L378(lines 378 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,260 INFO  L268        CegarLoopResult]: For program point  L577(line 577)  no Hoare annotation was computed.
[2020-07-20 14:08:18,260 INFO  L268        CegarLoopResult]: For program point  L544(line 544)  no Hoare annotation was computed.
[2020-07-20 14:08:18,260 INFO  L268        CegarLoopResult]: For program point  L511(line 511)  no Hoare annotation was computed.
[2020-07-20 14:08:18,260 INFO  L268        CegarLoopResult]: For program point  L478(line 478)  no Hoare annotation was computed.
[2020-07-20 14:08:18,260 INFO  L268        CegarLoopResult]: For program point  L445(line 445)  no Hoare annotation was computed.
[2020-07-20 14:08:18,261 INFO  L268        CegarLoopResult]: For program point  L280(lines 280 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,261 INFO  L268        CegarLoopResult]: For program point  L148(lines 148 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,261 INFO  L268        CegarLoopResult]: For program point  L82(lines 82 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,261 INFO  L268        CegarLoopResult]: For program point  L380(lines 380 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,261 INFO  L268        CegarLoopResult]: For program point  L314(lines 314 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,261 INFO  L268        CegarLoopResult]: For program point  L248(lines 248 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,261 INFO  L268        CegarLoopResult]: For program point  L215(lines 215 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,261 INFO  L268        CegarLoopResult]: For program point  L83(lines 83 89)  no Hoare annotation was computed.
[2020-07-20 14:08:18,262 INFO  L268        CegarLoopResult]: For program point  L50(lines 50 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,262 INFO  L268        CegarLoopResult]: For program point  L83-2(lines 83 89)  no Hoare annotation was computed.
[2020-07-20 14:08:18,262 INFO  L268        CegarLoopResult]: For program point  L579-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,262 INFO  L268        CegarLoopResult]: For program point  L546-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,262 INFO  L268        CegarLoopResult]: For program point  L513-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,262 INFO  L268        CegarLoopResult]: For program point  L480-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,262 INFO  L268        CegarLoopResult]: For program point  L414(lines 414 416)  no Hoare annotation was computed.
[2020-07-20 14:08:18,262 INFO  L268        CegarLoopResult]: For program point  L447-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,263 INFO  L268        CegarLoopResult]: For program point  L381(lines 381 387)  no Hoare annotation was computed.
[2020-07-20 14:08:18,263 INFO  L268        CegarLoopResult]: For program point  L414-2(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,263 INFO  L268        CegarLoopResult]: For program point  L315(lines 315 326)  no Hoare annotation was computed.
[2020-07-20 14:08:18,263 INFO  L268        CegarLoopResult]: For program point  L381-2(lines 381 387)  no Hoare annotation was computed.
[2020-07-20 14:08:18,263 INFO  L268        CegarLoopResult]: For program point  L315-2(lines 315 326)  no Hoare annotation was computed.
[2020-07-20 14:08:18,263 INFO  L268        CegarLoopResult]: For program point  calculate_outputFINAL(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,263 INFO  L268        CegarLoopResult]: For program point  calculate_outputEXIT(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,263 INFO  L268        CegarLoopResult]: For program point  L580(line 580)  no Hoare annotation was computed.
[2020-07-20 14:08:18,264 INFO  L268        CegarLoopResult]: For program point  L547(line 547)  no Hoare annotation was computed.
[2020-07-20 14:08:18,264 INFO  L268        CegarLoopResult]: For program point  L514(line 514)  no Hoare annotation was computed.
[2020-07-20 14:08:18,264 INFO  L268        CegarLoopResult]: For program point  L481(line 481)  no Hoare annotation was computed.
[2020-07-20 14:08:18,264 INFO  L268        CegarLoopResult]: For program point  L448(line 448)  no Hoare annotation was computed.
[2020-07-20 14:08:18,264 INFO  L268        CegarLoopResult]: For program point  L415(line 415)  no Hoare annotation was computed.
[2020-07-20 14:08:18,264 INFO  L268        CegarLoopResult]: For program point  L349(lines 349 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,264 INFO  L268        CegarLoopResult]: For program point  L283(lines 283 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,264 INFO  L268        CegarLoopResult]: For program point  L218(lines 218 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,264 INFO  L268        CegarLoopResult]: For program point  L185(lines 185 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,264 INFO  L268        CegarLoopResult]: For program point  L119(lines 119 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,264 INFO  L268        CegarLoopResult]: For program point  L582-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,265 INFO  L268        CegarLoopResult]: For program point  L549-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,265 INFO  L268        CegarLoopResult]: For program point  L516-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,265 INFO  L268        CegarLoopResult]: For program point  L483-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,265 INFO  L268        CegarLoopResult]: For program point  L450-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,265 INFO  L268        CegarLoopResult]: For program point  L417-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,265 INFO  L268        CegarLoopResult]: For program point  L54(lines 54 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,265 INFO  L268        CegarLoopResult]: For program point  L583(line 583)  no Hoare annotation was computed.
[2020-07-20 14:08:18,265 INFO  L268        CegarLoopResult]: For program point  L550(line 550)  no Hoare annotation was computed.
[2020-07-20 14:08:18,265 INFO  L268        CegarLoopResult]: For program point  L517(line 517)  no Hoare annotation was computed.
[2020-07-20 14:08:18,265 INFO  L268        CegarLoopResult]: For program point  L484(line 484)  no Hoare annotation was computed.
[2020-07-20 14:08:18,265 INFO  L268        CegarLoopResult]: For program point  L451(line 451)  no Hoare annotation was computed.
[2020-07-20 14:08:18,265 INFO  L268        CegarLoopResult]: For program point  L418(line 418)  no Hoare annotation was computed.
[2020-07-20 14:08:18,265 INFO  L268        CegarLoopResult]: For program point  L286(lines 286 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,265 INFO  L268        CegarLoopResult]: For program point  L253(lines 253 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,266 INFO  L268        CegarLoopResult]: For program point  L187(lines 187 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,266 INFO  L268        CegarLoopResult]: For program point  L154(lines 154 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,266 INFO  L268        CegarLoopResult]: For program point  L585-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,266 INFO  L268        CegarLoopResult]: For program point  L552-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,266 INFO  L268        CegarLoopResult]: For program point  L519-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,266 INFO  L268        CegarLoopResult]: For program point  L486-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,266 INFO  L268        CegarLoopResult]: For program point  L453-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,266 INFO  L268        CegarLoopResult]: For program point  L420-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,266 INFO  L268        CegarLoopResult]: For program point  L354(lines 354 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,266 INFO  L268        CegarLoopResult]: For program point  L189(lines 189 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,266 INFO  L268        CegarLoopResult]: For program point  L123(lines 123 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,266 INFO  L268        CegarLoopResult]: For program point  L586(line 586)  no Hoare annotation was computed.
[2020-07-20 14:08:18,266 INFO  L268        CegarLoopResult]: For program point  L553(line 553)  no Hoare annotation was computed.
[2020-07-20 14:08:18,266 INFO  L268        CegarLoopResult]: For program point  L520(line 520)  no Hoare annotation was computed.
[2020-07-20 14:08:18,266 INFO  L268        CegarLoopResult]: For program point  L487(line 487)  no Hoare annotation was computed.
[2020-07-20 14:08:18,267 INFO  L268        CegarLoopResult]: For program point  L454(line 454)  no Hoare annotation was computed.
[2020-07-20 14:08:18,267 INFO  L268        CegarLoopResult]: For program point  L421(line 421)  no Hoare annotation was computed.
[2020-07-20 14:08:18,267 INFO  L268        CegarLoopResult]: For program point  L223(lines 223 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,267 INFO  L268        CegarLoopResult]: For program point  L91(lines 91 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,267 INFO  L268        CegarLoopResult]: For program point  L389(lines 389 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,267 INFO  L268        CegarLoopResult]: For program point  L191(lines 191 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,267 INFO  L268        CegarLoopResult]: For program point  L59(lines 59 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,267 INFO  L268        CegarLoopResult]: For program point  L588-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,267 INFO  L268        CegarLoopResult]: For program point  L555-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,267 INFO  L268        CegarLoopResult]: For program point  L522-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,268 INFO  L264        CegarLoopResult]: At program point  calculate_outputENTRY(lines 29 598)  the Hoare annotation is:  (let ((.cse13 (not (= 1 |old(~a19~0)|))) (.cse9 (not (<= |old(~a28~0)| 10))) (.cse19 (not (<= 9 |old(~a28~0)|))) (.cse16 (not (= 1 |old(~a11~0)|))) (.cse10 (<= ~a28~0 10)) (.cse2 (<= ~a28~0 |old(~a28~0)|)) (.cse3 (= ~a11~0 |old(~a11~0)|)) (.cse20 (<= ~a17~0 7)) (.cse4 (= ~a19~0 |old(~a19~0)|)) (.cse5 (<= |old(~a28~0)| ~a28~0))) (let ((.cse14 (and .cse2 .cse3 .cse20 .cse4 .cse5)) (.cse0 (not (<= |old(~a28~0)| 9))) (.cse11 (= 1 ~a25~0)) (.cse12 (not (= 1 |old(~a25~0)|))) (.cse1 (<= ~a17~0 |old(~a17~0)|)) (.cse6 (= ~a25~0 |old(~a25~0)|)) (.cse7 (not (<= |old(~a17~0)| 8))) (.cse8 (not (<= |old(~a11~0)| 0))) (.cse17 (let ((.cse21 (= 1 ~a11~0)) (.cse22 (<= 9 ~a28~0))) (or (and .cse2 .cse21 .cse3 .cse10 .cse4 .cse22 .cse5) (and (= 1 ~a19~0) .cse2 .cse21 .cse3 .cse4 .cse22 .cse5)))) (.cse18 (and (or .cse13 .cse19 .cse16) (or .cse9 .cse19 .cse16))) (.cse15 (not (<= |old(~a17~0)| 7)))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) .cse7 .cse8) (or .cse9 (and .cse1 .cse3 .cse10 .cse4 .cse5 .cse11) .cse12 .cse7 .cse8) (or .cse13 .cse14 .cse15 .cse8) (or .cse13 .cse14 .cse15 .cse16) (or (and .cse1 .cse17 .cse11) .cse18 .cse12 .cse7) (or (and .cse1 .cse2 .cse3 .cse4 .cse5) (not (<= |old(~a28~0)| 7)) .cse7 .cse16) (or .cse13 .cse19 .cse0 (and .cse1 .cse3 (<= ~a28~0 9) .cse4 .cse5) .cse7 .cse16) (or .cse13 (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse11) .cse12 .cse7 .cse8) (or .cse13 .cse9 (and .cse1 .cse3 .cse10 .cse4 .cse5 .cse6) .cse7 .cse8) (or (and .cse20 .cse17) .cse18 .cse15))))
[2020-07-20 14:08:18,268 INFO  L268        CegarLoopResult]: For program point  L489-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,268 INFO  L268        CegarLoopResult]: For program point  L456-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,268 INFO  L268        CegarLoopResult]: For program point  L423-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,269 INFO  L268        CegarLoopResult]: For program point  L291(lines 291 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,269 INFO  L268        CegarLoopResult]: For program point  L225(lines 225 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,269 INFO  L268        CegarLoopResult]: For program point  L159(lines 159 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,269 INFO  L268        CegarLoopResult]: For program point  L589(line 589)  no Hoare annotation was computed.
[2020-07-20 14:08:18,269 INFO  L268        CegarLoopResult]: For program point  L556(line 556)  no Hoare annotation was computed.
[2020-07-20 14:08:18,269 INFO  L268        CegarLoopResult]: For program point  L523(line 523)  no Hoare annotation was computed.
[2020-07-20 14:08:18,269 INFO  L268        CegarLoopResult]: For program point  L490(line 490)  no Hoare annotation was computed.
[2020-07-20 14:08:18,269 INFO  L268        CegarLoopResult]: For program point  L457(line 457)  no Hoare annotation was computed.
[2020-07-20 14:08:18,269 INFO  L268        CegarLoopResult]: For program point  L424(line 424)  no Hoare annotation was computed.
[2020-07-20 14:08:18,270 INFO  L268        CegarLoopResult]: For program point  L259(lines 259 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,270 INFO  L268        CegarLoopResult]: For program point  L293(lines 293 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,270 INFO  L268        CegarLoopResult]: For program point  L194(lines 194 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,270 INFO  L268        CegarLoopResult]: For program point  L95(lines 95 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,270 INFO  L268        CegarLoopResult]: For program point  L591-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,270 INFO  L268        CegarLoopResult]: For program point  L558-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,270 INFO  L268        CegarLoopResult]: For program point  L525-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,270 INFO  L268        CegarLoopResult]: For program point  L492-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,271 INFO  L268        CegarLoopResult]: For program point  L459-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,271 INFO  L268        CegarLoopResult]: For program point  L426-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,271 INFO  L268        CegarLoopResult]: For program point  L261(lines 261 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,271 INFO  L268        CegarLoopResult]: For program point  L30(lines 30 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,271 INFO  L268        CegarLoopResult]: For program point  L592(line 592)  no Hoare annotation was computed.
[2020-07-20 14:08:18,271 INFO  L268        CegarLoopResult]: For program point  L559(line 559)  no Hoare annotation was computed.
[2020-07-20 14:08:18,271 INFO  L268        CegarLoopResult]: For program point  L526(line 526)  no Hoare annotation was computed.
[2020-07-20 14:08:18,271 INFO  L268        CegarLoopResult]: For program point  L493(line 493)  no Hoare annotation was computed.
[2020-07-20 14:08:18,272 INFO  L268        CegarLoopResult]: For program point  L460(line 460)  no Hoare annotation was computed.
[2020-07-20 14:08:18,272 INFO  L268        CegarLoopResult]: For program point  L427(line 427)  no Hoare annotation was computed.
[2020-07-20 14:08:18,272 INFO  L268        CegarLoopResult]: For program point  L394(lines 394 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,272 INFO  L268        CegarLoopResult]: For program point  L361(lines 361 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,272 INFO  L268        CegarLoopResult]: For program point  L328(lines 328 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,272 INFO  L268        CegarLoopResult]: For program point  L262(lines 262 274)  no Hoare annotation was computed.
[2020-07-20 14:08:18,272 INFO  L268        CegarLoopResult]: For program point  L262-2(lines 262 274)  no Hoare annotation was computed.
[2020-07-20 14:08:18,272 INFO  L268        CegarLoopResult]: For program point  L130(lines 130 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,272 INFO  L268        CegarLoopResult]: For program point  L65(lines 65 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,273 INFO  L268        CegarLoopResult]: For program point  L594-1(lines 594 596)  no Hoare annotation was computed.
[2020-07-20 14:08:18,273 INFO  L268        CegarLoopResult]: For program point  L561-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,273 INFO  L268        CegarLoopResult]: For program point  L528-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,273 INFO  L268        CegarLoopResult]: For program point  L495-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,273 INFO  L268        CegarLoopResult]: For program point  L462-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,273 INFO  L268        CegarLoopResult]: For program point  L429-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:08:18,273 INFO  L268        CegarLoopResult]: For program point  L297(lines 297 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,273 INFO  L268        CegarLoopResult]: For program point  L198(lines 198 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,273 INFO  L268        CegarLoopResult]: For program point  L165(lines 165 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,274 INFO  L268        CegarLoopResult]: For program point  L99(lines 99 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,274 INFO  L268        CegarLoopResult]: For program point  L595(line 595)  no Hoare annotation was computed.
[2020-07-20 14:08:18,274 INFO  L268        CegarLoopResult]: For program point  L562(line 562)  no Hoare annotation was computed.
[2020-07-20 14:08:18,274 INFO  L268        CegarLoopResult]: For program point  L529(line 529)  no Hoare annotation was computed.
[2020-07-20 14:08:18,274 INFO  L268        CegarLoopResult]: For program point  L496(line 496)  no Hoare annotation was computed.
[2020-07-20 14:08:18,274 INFO  L268        CegarLoopResult]: For program point  L463(line 463)  no Hoare annotation was computed.
[2020-07-20 14:08:18,274 INFO  L268        CegarLoopResult]: For program point  L430(line 430)  no Hoare annotation was computed.
[2020-07-20 14:08:18,274 INFO  L268        CegarLoopResult]: For program point  L331(lines 331 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,274 INFO  L268        CegarLoopResult]: For program point  L298(lines 298 307)  no Hoare annotation was computed.
[2020-07-20 14:08:18,275 INFO  L268        CegarLoopResult]: For program point  L232(lines 232 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,275 INFO  L268        CegarLoopResult]: For program point  L298-2(lines 298 307)  no Hoare annotation was computed.
[2020-07-20 14:08:18,275 INFO  L268        CegarLoopResult]: For program point  L398(lines 398 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,275 INFO  L268        CegarLoopResult]: For program point  L332(lines 332 335)  no Hoare annotation was computed.
[2020-07-20 14:08:18,275 INFO  L268        CegarLoopResult]: For program point  L332-2(lines 332 335)  no Hoare annotation was computed.
[2020-07-20 14:08:18,275 INFO  L268        CegarLoopResult]: For program point  L134(lines 134 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,275 INFO  L268        CegarLoopResult]: For program point  L35(lines 35 413)  no Hoare annotation was computed.
[2020-07-20 14:08:18,275 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2020-07-20 14:08:18,276 INFO  L264        CegarLoopResult]: At program point  L-1(line -1)  the Hoare annotation is:  (and (= 1 ~a19~0) (<= ~a11~0 0) (<= ~a17~0 8) (<= ~a28~0 7))
[2020-07-20 14:08:18,276 INFO  L271        CegarLoopResult]: At program point  ULTIMATE.startENTRY(line -1)  the Hoare annotation is:  true
[2020-07-20 14:08:18,276 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2020-07-20 14:08:18,276 INFO  L264        CegarLoopResult]: At program point  mainENTRY(lines 600 617)  the Hoare annotation is:  (or (not (= 1 |old(~a19~0)|)) (not (<= |old(~a28~0)| 7)) (and (<= ~a17~0 |old(~a17~0)|) (<= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a19~0 |old(~a19~0)|) (<= |old(~a28~0)| ~a28~0) (= ~a25~0 |old(~a25~0)|)) (not (<= |old(~a17~0)| 8)) (not (<= |old(~a11~0)| 0)))
[2020-07-20 14:08:18,276 INFO  L264        CegarLoopResult]: At program point  L606-2(lines 606 616)  the Hoare annotation is:  (let ((.cse11 (<= ~a28~0 10)) (.cse1 (= 1 ~a19~0)) (.cse2 (= 1 ~a11~0)) (.cse0 (<= |old(~a28~0)| 7)) (.cse10 (<= 9 ~a28~0))) (let ((.cse4 (<= ~a11~0 0)) (.cse3 (<= ~a17~0 7)) (.cse7 (<= ~a28~0 9)) (.cse9 (let ((.cse14 (not (= 1 |old(~a11~0)|)))) (or (and .cse2 .cse11 .cse0 .cse10 .cse14) (and .cse1 .cse2 .cse0 .cse10 .cse14)))) (.cse8 (not (= 1 |old(~a25~0)|))) (.cse12 (= 1 ~a25~0)) (.cse5 (<= ~a17~0 |old(~a17~0)|)) (.cse6 (= ~a11~0 |old(~a11~0)|)) (.cse13 (<= ~a28~0 7))) (or (not (= 1 |old(~a19~0)|)) (not .cse0) (and .cse1 .cse2 .cse3) (and .cse1 (< 7 ~a28~0) .cse4 .cse3) (and .cse5 .cse6 .cse7 .cse8) (not (<= |old(~a11~0)| 0)) (and .cse3 .cse9) (and .cse4 .cse7 .cse3 .cse10) (and .cse5 .cse6 .cse11 .cse8 .cse12) (and .cse5 .cse2 .cse13) (and .cse2 .cse3 .cse13) (and .cse1 .cse5 .cse2 .cse7 .cse10) (and .cse5 .cse8 .cse9 .cse12) (not (<= |old(~a17~0)| 8)) (and .cse1 .cse5 .cse6 .cse11 .cse8) (and .cse1 .cse5 .cse6 .cse8 .cse12) (and .cse1 .cse5 .cse6 .cse13 (= ~a25~0 |old(~a25~0)|)))))
[2020-07-20 14:08:18,276 INFO  L268        CegarLoopResult]: For program point  L606-3(lines 600 617)  no Hoare annotation was computed.
[2020-07-20 14:08:18,277 INFO  L268        CegarLoopResult]: For program point  mainEXIT(lines 600 617)  no Hoare annotation was computed.
[2020-07-20 14:08:18,277 INFO  L264        CegarLoopResult]: At program point  L614(line 614)  the Hoare annotation is:  (let ((.cse11 (<= ~a28~0 10)) (.cse1 (= 1 ~a19~0)) (.cse2 (= 1 ~a11~0)) (.cse0 (<= |old(~a28~0)| 7)) (.cse10 (<= 9 ~a28~0))) (let ((.cse4 (<= ~a11~0 0)) (.cse3 (<= ~a17~0 7)) (.cse7 (<= ~a28~0 9)) (.cse9 (let ((.cse14 (not (= 1 |old(~a11~0)|)))) (or (and .cse2 .cse11 .cse0 .cse10 .cse14) (and .cse1 .cse2 .cse0 .cse10 .cse14)))) (.cse8 (not (= 1 |old(~a25~0)|))) (.cse12 (= 1 ~a25~0)) (.cse5 (<= ~a17~0 |old(~a17~0)|)) (.cse6 (= ~a11~0 |old(~a11~0)|)) (.cse13 (<= ~a28~0 7))) (or (not (= 1 |old(~a19~0)|)) (not .cse0) (and .cse1 .cse2 .cse3) (and .cse1 (< 7 ~a28~0) .cse4 .cse3) (and .cse5 .cse6 .cse7 .cse8) (not (<= |old(~a11~0)| 0)) (and .cse3 .cse9) (and .cse4 .cse7 .cse3 .cse10) (and .cse5 .cse6 .cse11 .cse8 .cse12) (and .cse5 .cse2 .cse13) (and .cse2 .cse3 .cse13) (and .cse1 .cse5 .cse2 .cse7 .cse10) (and .cse5 .cse8 .cse9 .cse12) (not (<= |old(~a17~0)| 8)) (and .cse1 .cse5 .cse6 .cse11 .cse8) (and .cse1 .cse5 .cse6 .cse8 .cse12) (and .cse1 .cse5 .cse6 .cse13 (= ~a25~0 |old(~a25~0)|)))))
[2020-07-20 14:08:18,277 INFO  L268        CegarLoopResult]: For program point  L614-1(line 614)  no Hoare annotation was computed.
[2020-07-20 14:08:18,277 INFO  L268        CegarLoopResult]: For program point  L611(line 611)  no Hoare annotation was computed.
[2020-07-20 14:08:18,312 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 02:08:18 BoogieIcfgContainer
[2020-07-20 14:08:18,312 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-20 14:08:18,321 INFO  L168              Benchmark]: Toolchain (without parser) took 20832.47 ms. Allocated memory was 141.6 MB in the beginning and 509.1 MB in the end (delta: 367.5 MB). Free memory was 103.8 MB in the beginning and 125.5 MB in the end (delta: -21.7 MB). Peak memory consumption was 345.8 MB. Max. memory is 7.1 GB.
[2020-07-20 14:08:18,322 INFO  L168              Benchmark]: CDTParser took 0.62 ms. Allocated memory is still 141.6 MB. Free memory was 123.4 MB in the beginning and 123.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB.
[2020-07-20 14:08:18,323 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 743.97 ms. Allocated memory was 141.6 MB in the beginning and 206.0 MB in the end (delta: 64.5 MB). Free memory was 103.4 MB in the beginning and 171.9 MB in the end (delta: -68.5 MB). Peak memory consumption was 33.7 MB. Max. memory is 7.1 GB.
[2020-07-20 14:08:18,325 INFO  L168              Benchmark]: Boogie Preprocessor took 120.84 ms. Allocated memory is still 206.0 MB. Free memory was 171.9 MB in the beginning and 167.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB.
[2020-07-20 14:08:18,326 INFO  L168              Benchmark]: RCFGBuilder took 1386.21 ms. Allocated memory was 206.0 MB in the beginning and 234.9 MB in the end (delta: 28.8 MB). Free memory was 167.3 MB in the beginning and 173.5 MB in the end (delta: -6.2 MB). Peak memory consumption was 76.6 MB. Max. memory is 7.1 GB.
[2020-07-20 14:08:18,327 INFO  L168              Benchmark]: TraceAbstraction took 18569.60 ms. Allocated memory was 234.9 MB in the beginning and 509.1 MB in the end (delta: 274.2 MB). Free memory was 172.1 MB in the beginning and 125.5 MB in the end (delta: 46.6 MB). Peak memory consumption was 320.8 MB. Max. memory is 7.1 GB.
[2020-07-20 14:08:18,335 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.62 ms. Allocated memory is still 141.6 MB. Free memory was 123.4 MB in the beginning and 123.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 743.97 ms. Allocated memory was 141.6 MB in the beginning and 206.0 MB in the end (delta: 64.5 MB). Free memory was 103.4 MB in the beginning and 171.9 MB in the end (delta: -68.5 MB). Peak memory consumption was 33.7 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 120.84 ms. Allocated memory is still 206.0 MB. Free memory was 171.9 MB in the beginning and 167.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1386.21 ms. Allocated memory was 206.0 MB in the beginning and 234.9 MB in the end (delta: 28.8 MB). Free memory was 167.3 MB in the beginning and 173.5 MB in the end (delta: -6.2 MB). Peak memory consumption was 76.6 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 18569.60 ms. Allocated memory was 234.9 MB in the beginning and 509.1 MB in the end (delta: 274.2 MB). Free memory was 172.1 MB in the beginning and 125.5 MB in the end (delta: 46.6 MB). Peak memory consumption was 320.8 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 508]: 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: 606]: Loop Invariant
    Derived loop invariant: (((((((((((((((!(1 == \old(a19)) || !(\old(a28) <= 7)) || ((1 == a19 && 1 == a11) && a17 <= 7)) || (((1 == a19 && 7 < a28) && a11 <= 0) && a17 <= 7)) || (((a17 <= \old(a17) && a11 == \old(a11)) && a28 <= 9) && !(1 == \old(a25)))) || !(\old(a11) <= 0)) || (a17 <= 7 && (((((1 == a11 && a28 <= 10) && \old(a28) <= 7) && 9 <= a28) && !(1 == \old(a11))) || ((((1 == a19 && 1 == a11) && \old(a28) <= 7) && 9 <= a28) && !(1 == \old(a11)))))) || (((a11 <= 0 && a28 <= 9) && a17 <= 7) && 9 <= a28)) || ((((a17 <= \old(a17) && a11 == \old(a11)) && a28 <= 10) && !(1 == \old(a25))) && 1 == a25)) || ((a17 <= \old(a17) && 1 == a11) && a28 <= 7)) || ((1 == a11 && a17 <= 7) && a28 <= 7)) || ((((1 == a19 && a17 <= \old(a17)) && 1 == a11) && a28 <= 9) && 9 <= a28)) || (((a17 <= \old(a17) && !(1 == \old(a25))) && (((((1 == a11 && a28 <= 10) && \old(a28) <= 7) && 9 <= a28) && !(1 == \old(a11))) || ((((1 == a19 && 1 == a11) && \old(a28) <= 7) && 9 <= a28) && !(1 == \old(a11))))) && 1 == a25)) || !(\old(a17) <= 8)) || ((((1 == a19 && a17 <= \old(a17)) && a11 == \old(a11)) && a28 <= 10) && !(1 == \old(a25)))) || ((((1 == a19 && a17 <= \old(a17)) && a11 == \old(a11)) && !(1 == \old(a25))) && 1 == a25)) || ((((1 == a19 && a17 <= \old(a17)) && a11 == \old(a11)) && a28 <= 7) && a25 == \old(a25))
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.9s, OverallIterations: 10, TraceHistogramMax: 6, AutomataDifference: 9.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 868 SDtfs, 4138 SDslu, 522 SDs, 0 SdLazy, 6842 SolverSat, 1159 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2478 GetRequests, 2424 SyntacticMatches, 8 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3582occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 646 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 141 PreInvPairs, 193 NumberOfFragments, 1013 HoareAnnotationTreeSize, 141 FomulaSimplifications, 1756 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3072 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1505 NumberOfCodeBlocks, 1505 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 2447 ConstructedInterpolants, 0 QuantifiedInterpolants, 721127 SizeOfPredicates, 12 NumberOfNonLiveVariables, 4110 ConjunctsInSsa, 59 ConjunctsInUnsatCore, 16 InterpolantComputations, 5 PerfectInterpolantSequences, 800/839 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...