/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 NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label34.c


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


This is Ultimate 0.1.25-d623d84
[2020-07-20 11:35:52,066 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-07-20 11:35:52,068 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
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[2020-07-20 11:35:52,081 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-20 11:35:52,083 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-20 11:35:52,084 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
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[2020-07-20 11:35:52,095 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-20 11:35:52,096 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-20 11:35:52,105 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-20 11:35:52,107 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-20 11:35:52,110 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-20 11:35:52,111 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-20 11:35:52,114 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-20 11:35:52,116 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-07-20 11:35:52,116 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-20 11:35:52,119 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2020-07-20 11:35:52,120 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
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[2020-07-20 11:35:52,127 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2020-07-20 11:35:52,129 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-07-20 11:35:52,130 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 11:35:52,145 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-07-20 11:35:52,145 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-20 11:35:52,147 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-20 11:35:52,147 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-07-20 11:35:52,147 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-07-20 11:35:52,147 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-20 11:35:52,148 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-07-20 11:35:52,148 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-07-20 11:35:52,148 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-07-20 11:35:52,148 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-07-20 11:35:52,148 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-07-20 11:35:52,149 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-20 11:35:52,149 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-07-20 11:35:52,149 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-07-20 11:35:52,149 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-07-20 11:35:52,149 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-07-20 11:35:52,149 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-07-20 11:35:52,150 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-20 11:35:52,150 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-07-20 11:35:52,150 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-07-20 11:35:52,150 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-07-20 11:35:52,150 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-20 11:35:52,151 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-20 11:35:52,151 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-07-20 11:35:52,151 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-20 11:35:52,151 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-07-20 11:35:52,151 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 11:35:52,152 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-20 11:35:52,152 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-07-20 11:35:52,152 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 -> NOT_INCREMENTALLY
[2020-07-20 11:35:52,435 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-20 11:35:52,448 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-20 11:35:52,452 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-20 11:35:52,454 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-07-20 11:35:52,454 INFO  L275        PluginConnector]: CDTParser initialized
[2020-07-20 11:35:52,455 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label34.c
[2020-07-20 11:35:52,543 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a47c2ff98/81dd7952cbce42c2836da9a11e24e731/FLAG2907b1223
[2020-07-20 11:35:53,200 INFO  L306              CDTParser]: Found 1 translation units.
[2020-07-20 11:35:53,204 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label34.c
[2020-07-20 11:35:53,225 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a47c2ff98/81dd7952cbce42c2836da9a11e24e731/FLAG2907b1223
[2020-07-20 11:35:53,396 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a47c2ff98/81dd7952cbce42c2836da9a11e24e731
[2020-07-20 11:35:53,407 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-20 11:35:53,411 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-20 11:35:53,412 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-20 11:35:53,413 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-20 11:35:53,418 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-20 11:35:53,420 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 11:35:53" (1/1) ...
[2020-07-20 11:35:53,423 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47b073ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:35:53, skipping insertion in model container
[2020-07-20 11:35:53,423 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 11:35:53" (1/1) ...
[2020-07-20 11:35:53,432 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-07-20 11:35:53,480 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-07-20 11:35:53,993 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-20 11:35:53,999 INFO  L203         MainTranslator]: Completed pre-run
[2020-07-20 11:35:54,109 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-20 11:35:54,130 INFO  L208         MainTranslator]: Completed translation
[2020-07-20 11:35:54,131 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:35:54 WrapperNode
[2020-07-20 11:35:54,131 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-20 11:35:54,135 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-20 11:35:54,136 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-20 11:35:54,136 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-07-20 11:35:54,152 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:35:54" (1/1) ...
[2020-07-20 11:35:54,152 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:35:54" (1/1) ...
[2020-07-20 11:35:54,171 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:35:54" (1/1) ...
[2020-07-20 11:35:54,172 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:35:54" (1/1) ...
[2020-07-20 11:35:54,222 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:35:54" (1/1) ...
[2020-07-20 11:35:54,251 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:35:54" (1/1) ...
[2020-07-20 11:35:54,260 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:35:54" (1/1) ...
[2020-07-20 11:35:54,272 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-20 11:35:54,273 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-20 11:35:54,273 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-07-20 11:35:54,273 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-07-20 11:35:54,275 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:35:54" (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 11:35:54,354 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-20 11:35:54,355 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-20 11:35:54,355 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output
[2020-07-20 11:35:54,355 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-07-20 11:35:54,355 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output
[2020-07-20 11:35:54,355 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-20 11:35:54,355 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-07-20 11:35:54,357 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2020-07-20 11:35:54,357 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-07-20 11:35:54,357 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-20 11:35:54,357 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-20 11:35:55,645 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-20 11:35:55,646 INFO  L295             CfgBuilder]: Removed 1 assume(true) statements.
[2020-07-20 11:35:55,658 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 11:35:55 BoogieIcfgContainer
[2020-07-20 11:35:55,658 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-20 11:35:55,660 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-20 11:35:55,661 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-07-20 11:35:55,664 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-07-20 11:35:55,664 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 11:35:53" (1/3) ...
[2020-07-20 11:35:55,666 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e4453a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 11:35:55, skipping insertion in model container
[2020-07-20 11:35:55,666 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:35:54" (2/3) ...
[2020-07-20 11:35:55,666 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e4453a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 11:35:55, skipping insertion in model container
[2020-07-20 11:35:55,666 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 11:35:55" (3/3) ...
[2020-07-20 11:35:55,671 INFO  L109   eAbstractionObserver]: Analyzing ICFG Problem02_label34.c
[2020-07-20 11:35:55,682 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION
[2020-07-20 11:35:55,690 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-20 11:35:55,704 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-20 11:35:55,730 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-07-20 11:35:55,730 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-07-20 11:35:55,731 INFO  L377      AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect
[2020-07-20 11:35:55,731 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-20 11:35:55,731 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-20 11:35:55,731 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-07-20 11:35:55,732 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-20 11:35:55,732 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-20 11:35:55,755 INFO  L276                IsEmpty]: Start isEmpty. Operand 236 states.
[2020-07-20 11:35:55,766 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 105
[2020-07-20 11:35:55,767 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 11:35:55,768 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]
[2020-07-20 11:35:55,768 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 11:35:55,773 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 11:35:55,773 INFO  L82        PathProgramCache]: Analyzing trace with hash -524262186, now seen corresponding path program 1 times
[2020-07-20 11:35:55,780 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 11:35:55,781 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [757557531]
[2020-07-20 11:35:55,781 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
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 11:35:55,897 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 11:35:55,901 INFO  L263         TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 6 conjunts are in the unsatisfiable core
[2020-07-20 11:35:55,911 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 11:35:56,022 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 11:35:56,023 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 11:35:56,024 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [757557531]
[2020-07-20 11:35:56,025 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 11:35:56,025 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 11:35:56,026 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125099707]
[2020-07-20 11:35:56,032 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 11:35:56,033 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 11:35:56,048 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 11:35:56,049 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 11:35:56,051 INFO  L87              Difference]: Start difference. First operand 236 states. Second operand 3 states.
[2020-07-20 11:35:56,974 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 11:35:56,975 INFO  L93              Difference]: Finished difference Result 615 states and 1053 transitions.
[2020-07-20 11:35:56,975 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 11:35:56,977 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 104
[2020-07-20 11:35:56,978 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 11:35:56,994 INFO  L225             Difference]: With dead ends: 615
[2020-07-20 11:35:56,995 INFO  L226             Difference]: Without dead ends: 317
[2020-07-20 11:35:57,001 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 102 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 11:35:57,021 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 317 states.
[2020-07-20 11:35:57,071 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317.
[2020-07-20 11:35:57,073 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 317 states.
[2020-07-20 11:35:57,075 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 478 transitions.
[2020-07-20 11:35:57,078 INFO  L78                 Accepts]: Start accepts. Automaton has 317 states and 478 transitions. Word has length 104
[2020-07-20 11:35:57,079 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 11:35:57,079 INFO  L479      AbstractCegarLoop]: Abstraction has 317 states and 478 transitions.
[2020-07-20 11:35:57,079 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 11:35:57,079 INFO  L276                IsEmpty]: Start isEmpty. Operand 317 states and 478 transitions.
[2020-07-20 11:35:57,085 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 120
[2020-07-20 11:35:57,086 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 11:35:57,086 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:35:57,300 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 11:35:57,301 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 11:35:57,301 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 11:35:57,302 INFO  L82        PathProgramCache]: Analyzing trace with hash -297868677, now seen corresponding path program 1 times
[2020-07-20 11:35:57,302 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 11:35:57,303 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1486064014]
[2020-07-20 11:35:57,303 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
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 11:35:57,389 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 11:35:57,391 INFO  L263         TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 6 conjunts are in the unsatisfiable core
[2020-07-20 11:35:57,396 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 11:35:57,451 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 11:35:57,451 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 11:35:57,452 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1486064014]
[2020-07-20 11:35:57,452 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 11:35:57,452 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-07-20 11:35:57,453 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522576019]
[2020-07-20 11:35:57,455 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-07-20 11:35:57,455 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 11:35:57,455 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-07-20 11:35:57,455 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-07-20 11:35:57,456 INFO  L87              Difference]: Start difference. First operand 317 states and 478 transitions. Second operand 5 states.
[2020-07-20 11:35:57,932 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 11:35:57,932 INFO  L93              Difference]: Finished difference Result 629 states and 962 transitions.
[2020-07-20 11:35:57,934 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-07-20 11:35:57,934 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 119
[2020-07-20 11:35:57,935 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 11:35:57,939 INFO  L225             Difference]: With dead ends: 629
[2020-07-20 11:35:57,940 INFO  L226             Difference]: Without dead ends: 318
[2020-07-20 11:35:57,941 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2020-07-20 11:35:57,943 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 318 states.
[2020-07-20 11:35:57,965 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 308.
[2020-07-20 11:35:57,966 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 308 states.
[2020-07-20 11:35:57,968 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 435 transitions.
[2020-07-20 11:35:57,968 INFO  L78                 Accepts]: Start accepts. Automaton has 308 states and 435 transitions. Word has length 119
[2020-07-20 11:35:57,968 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 11:35:57,968 INFO  L479      AbstractCegarLoop]: Abstraction has 308 states and 435 transitions.
[2020-07-20 11:35:57,969 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-07-20 11:35:57,969 INFO  L276                IsEmpty]: Start isEmpty. Operand 308 states and 435 transitions.
[2020-07-20 11:35:57,971 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 127
[2020-07-20 11:35:57,971 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 11:35:57,972 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 11:35:58,184 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 11:35:58,185 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 11:35:58,186 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 11:35:58,186 INFO  L82        PathProgramCache]: Analyzing trace with hash -33343506, now seen corresponding path program 1 times
[2020-07-20 11:35:58,187 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 11:35:58,188 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1259608642]
[2020-07-20 11:35:58,188 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
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 11:35:58,287 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 11:35:58,289 INFO  L263         TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 6 conjunts are in the unsatisfiable core
[2020-07-20 11:35:58,306 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 11:35:58,372 INFO  L134       CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 11:35:58,372 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 11:35:58,373 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1259608642]
[2020-07-20 11:35:58,374 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 11:35:58,374 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-07-20 11:35:58,375 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554956123]
[2020-07-20 11:35:58,376 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-07-20 11:35:58,377 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 11:35:58,377 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-07-20 11:35:58,377 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-07-20 11:35:58,377 INFO  L87              Difference]: Start difference. First operand 308 states and 435 transitions. Second operand 5 states.
[2020-07-20 11:35:59,291 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 11:35:59,291 INFO  L93              Difference]: Finished difference Result 923 states and 1328 transitions.
[2020-07-20 11:35:59,293 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-07-20 11:35:59,293 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 126
[2020-07-20 11:35:59,293 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 11:35:59,299 INFO  L225             Difference]: With dead ends: 923
[2020-07-20 11:35:59,300 INFO  L226             Difference]: Without dead ends: 621
[2020-07-20 11:35:59,302 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2020-07-20 11:35:59,303 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 621 states.
[2020-07-20 11:35:59,334 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 459.
[2020-07-20 11:35:59,334 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 459 states.
[2020-07-20 11:35:59,337 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 601 transitions.
[2020-07-20 11:35:59,337 INFO  L78                 Accepts]: Start accepts. Automaton has 459 states and 601 transitions. Word has length 126
[2020-07-20 11:35:59,337 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 11:35:59,338 INFO  L479      AbstractCegarLoop]: Abstraction has 459 states and 601 transitions.
[2020-07-20 11:35:59,338 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-07-20 11:35:59,338 INFO  L276                IsEmpty]: Start isEmpty. Operand 459 states and 601 transitions.
[2020-07-20 11:35:59,341 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 136
[2020-07-20 11:35:59,341 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 11:35:59,342 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]
[2020-07-20 11:35:59,555 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 11:35:59,556 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 11:35:59,557 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 11:35:59,557 INFO  L82        PathProgramCache]: Analyzing trace with hash 1401191711, now seen corresponding path program 1 times
[2020-07-20 11:35:59,558 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 11:35:59,558 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1563622953]
[2020-07-20 11:35:59,559 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
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 11:35:59,634 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 11:35:59,636 INFO  L263         TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 11:35:59,639 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 11:35:59,682 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 11:35:59,683 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2020-07-20 11:35:59,766 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 11:35:59,767 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1563622953]
[2020-07-20 11:35:59,767 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-07-20 11:35:59,768 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6
[2020-07-20 11:35:59,768 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839360622]
[2020-07-20 11:35:59,769 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 11:35:59,769 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 11:35:59,770 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 11:35:59,770 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2020-07-20 11:35:59,770 INFO  L87              Difference]: Start difference. First operand 459 states and 601 transitions. Second operand 6 states.
[2020-07-20 11:36:00,675 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 11:36:00,675 INFO  L93              Difference]: Finished difference Result 1075 states and 1439 transitions.
[2020-07-20 11:36:00,676 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-07-20 11:36:00,676 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 135
[2020-07-20 11:36:00,677 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 11:36:00,681 INFO  L225             Difference]: With dead ends: 1075
[2020-07-20 11:36:00,681 INFO  L226             Difference]: Without dead ends: 622
[2020-07-20 11:36:00,683 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 264 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 11:36:00,684 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 622 states.
[2020-07-20 11:36:00,705 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 612.
[2020-07-20 11:36:00,705 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 612 states.
[2020-07-20 11:36:00,708 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 802 transitions.
[2020-07-20 11:36:00,708 INFO  L78                 Accepts]: Start accepts. Automaton has 612 states and 802 transitions. Word has length 135
[2020-07-20 11:36:00,709 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 11:36:00,709 INFO  L479      AbstractCegarLoop]: Abstraction has 612 states and 802 transitions.
[2020-07-20 11:36:00,709 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 11:36:00,709 INFO  L276                IsEmpty]: Start isEmpty. Operand 612 states and 802 transitions.
[2020-07-20 11:36:00,712 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 140
[2020-07-20 11:36:00,712 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 11:36:00,713 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]
[2020-07-20 11:36:00,925 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 11:36:00,926 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 11:36:00,927 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 11:36:00,927 INFO  L82        PathProgramCache]: Analyzing trace with hash 1661178263, now seen corresponding path program 1 times
[2020-07-20 11:36:00,927 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 11:36:00,928 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [285266430]
[2020-07-20 11:36:00,928 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
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 11:36:01,011 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 11:36:01,013 INFO  L263         TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 11:36:01,017 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 11:36:01,063 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 11:36:01,063 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 11:36:01,064 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [285266430]
[2020-07-20 11:36:01,064 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 11:36:01,064 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 11:36:01,064 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109806052]
[2020-07-20 11:36:01,065 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 11:36:01,065 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 11:36:01,066 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 11:36:01,066 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 11:36:01,066 INFO  L87              Difference]: Start difference. First operand 612 states and 802 transitions. Second operand 3 states.
[2020-07-20 11:36:01,707 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 11:36:01,708 INFO  L93              Difference]: Finished difference Result 1510 states and 2025 transitions.
[2020-07-20 11:36:01,710 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 11:36:01,710 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 139
[2020-07-20 11:36:01,711 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 11:36:01,725 INFO  L225             Difference]: With dead ends: 1510
[2020-07-20 11:36:01,726 INFO  L226             Difference]: Without dead ends: 904
[2020-07-20 11:36:01,728 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 137 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 11:36:01,730 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 904 states.
[2020-07-20 11:36:01,778 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 758.
[2020-07-20 11:36:01,778 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 758 states.
[2020-07-20 11:36:01,783 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 758 states and 937 transitions.
[2020-07-20 11:36:01,783 INFO  L78                 Accepts]: Start accepts. Automaton has 758 states and 937 transitions. Word has length 139
[2020-07-20 11:36:01,786 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 11:36:01,787 INFO  L479      AbstractCegarLoop]: Abstraction has 758 states and 937 transitions.
[2020-07-20 11:36:01,787 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 11:36:01,787 INFO  L276                IsEmpty]: Start isEmpty. Operand 758 states and 937 transitions.
[2020-07-20 11:36:01,794 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 156
[2020-07-20 11:36:01,795 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 11:36:01,795 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:36:02,009 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 11:36:02,010 INFO  L427      AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 11:36:02,010 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 11:36:02,010 INFO  L82        PathProgramCache]: Analyzing trace with hash 593119161, now seen corresponding path program 1 times
[2020-07-20 11:36:02,011 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 11:36:02,011 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1857758172]
[2020-07-20 11:36:02,011 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
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 11:36:02,116 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 11:36:02,118 INFO  L263         TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 11:36:02,121 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 11:36:02,173 INFO  L134       CoverageAnalysis]: Checked inductivity of 62 backedges. 60 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 11:36:02,173 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2020-07-20 11:36:02,261 INFO  L134       CoverageAnalysis]: Checked inductivity of 62 backedges. 60 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 11:36:02,261 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1857758172]
[2020-07-20 11:36:02,263 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-07-20 11:36:02,264 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7
[2020-07-20 11:36:02,264 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666659456]
[2020-07-20 11:36:02,265 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-07-20 11:36:02,265 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 11:36:02,265 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-07-20 11:36:02,266 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2020-07-20 11:36:02,267 INFO  L87              Difference]: Start difference. First operand 758 states and 937 transitions. Second operand 7 states.
[2020-07-20 11:36:03,107 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 11:36:03,108 INFO  L93              Difference]: Finished difference Result 1682 states and 2124 transitions.
[2020-07-20 11:36:03,109 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2020-07-20 11:36:03,109 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 155
[2020-07-20 11:36:03,109 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 11:36:03,119 INFO  L225             Difference]: With dead ends: 1682
[2020-07-20 11:36:03,120 INFO  L226             Difference]: Without dead ends: 930
[2020-07-20 11:36:03,125 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 304 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72
[2020-07-20 11:36:03,128 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 930 states.
[2020-07-20 11:36:03,161 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 930 to 918.
[2020-07-20 11:36:03,162 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 918 states.
[2020-07-20 11:36:03,168 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 1133 transitions.
[2020-07-20 11:36:03,168 INFO  L78                 Accepts]: Start accepts. Automaton has 918 states and 1133 transitions. Word has length 155
[2020-07-20 11:36:03,168 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 11:36:03,169 INFO  L479      AbstractCegarLoop]: Abstraction has 918 states and 1133 transitions.
[2020-07-20 11:36:03,169 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-07-20 11:36:03,169 INFO  L276                IsEmpty]: Start isEmpty. Operand 918 states and 1133 transitions.
[2020-07-20 11:36:03,174 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2020-07-20 11:36:03,174 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 11:36:03,174 INFO  L422         BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:36:03,387 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 11:36:03,388 INFO  L427      AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 11:36:03,389 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 11:36:03,389 INFO  L82        PathProgramCache]: Analyzing trace with hash -198506092, now seen corresponding path program 1 times
[2020-07-20 11:36:03,390 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 11:36:03,390 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [176301842]
[2020-07-20 11:36:03,390 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
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 11:36:03,487 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 11:36:03,489 INFO  L263         TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 11 conjunts are in the unsatisfiable core
[2020-07-20 11:36:03,492 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 11:36:03,537 INFO  L134       CoverageAnalysis]: Checked inductivity of 83 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked.
[2020-07-20 11:36:03,538 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 11:36:03,538 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [176301842]
[2020-07-20 11:36:03,538 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 11:36:03,538 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-07-20 11:36:03,539 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431421773]
[2020-07-20 11:36:03,539 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-07-20 11:36:03,539 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 11:36:03,539 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-07-20 11:36:03,540 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-07-20 11:36:03,540 INFO  L87              Difference]: Start difference. First operand 918 states and 1133 transitions. Second operand 5 states.
[2020-07-20 11:36:04,276 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 11:36:04,276 INFO  L93              Difference]: Finished difference Result 2457 states and 3125 transitions.
[2020-07-20 11:36:04,277 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2020-07-20 11:36:04,277 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 163
[2020-07-20 11:36:04,277 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 11:36:04,288 INFO  L225             Difference]: With dead ends: 2457
[2020-07-20 11:36:04,289 INFO  L226             Difference]: Without dead ends: 1383
[2020-07-20 11:36:04,294 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 159 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 11:36:04,299 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1383 states.
[2020-07-20 11:36:04,342 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1383 to 1367.
[2020-07-20 11:36:04,343 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1367 states.
[2020-07-20 11:36:04,349 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1367 states to 1367 states and 1576 transitions.
[2020-07-20 11:36:04,350 INFO  L78                 Accepts]: Start accepts. Automaton has 1367 states and 1576 transitions. Word has length 163
[2020-07-20 11:36:04,350 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 11:36:04,350 INFO  L479      AbstractCegarLoop]: Abstraction has 1367 states and 1576 transitions.
[2020-07-20 11:36:04,350 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-07-20 11:36:04,351 INFO  L276                IsEmpty]: Start isEmpty. Operand 1367 states and 1576 transitions.
[2020-07-20 11:36:04,357 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 211
[2020-07-20 11:36:04,357 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 11:36:04,357 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:36:04,571 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 11:36:04,572 INFO  L427      AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 11:36:04,572 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 11:36:04,572 INFO  L82        PathProgramCache]: Analyzing trace with hash 590210542, now seen corresponding path program 1 times
[2020-07-20 11:36:04,573 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 11:36:04,573 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2208835]
[2020-07-20 11:36:04,573 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
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 11:36:04,670 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 11:36:04,671 INFO  L263         TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 7 conjunts are in the unsatisfiable core
[2020-07-20 11:36:04,675 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 11:36:04,717 INFO  L134       CoverageAnalysis]: Checked inductivity of 134 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked.
[2020-07-20 11:36:04,717 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 11:36:04,717 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2208835]
[2020-07-20 11:36:04,718 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 11:36:04,718 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 11:36:04,718 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512194655]
[2020-07-20 11:36:04,719 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 11:36:04,719 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 11:36:04,719 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 11:36:04,720 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 11:36:04,720 INFO  L87              Difference]: Start difference. First operand 1367 states and 1576 transitions. Second operand 3 states.
[2020-07-20 11:36:05,185 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 11:36:05,185 INFO  L93              Difference]: Finished difference Result 3300 states and 3795 transitions.
[2020-07-20 11:36:05,186 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 11:36:05,186 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 210
[2020-07-20 11:36:05,187 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 11:36:05,187 INFO  L225             Difference]: With dead ends: 3300
[2020-07-20 11:36:05,187 INFO  L226             Difference]: Without dead ends: 0
[2020-07-20 11:36:05,197 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 208 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 11:36:05,197 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-07-20 11:36:05,197 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-07-20 11:36:05,197 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-07-20 11:36:05,198 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-07-20 11:36:05,198 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 210
[2020-07-20 11:36:05,198 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 11:36:05,198 INFO  L479      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-07-20 11:36:05,198 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 11:36:05,198 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-07-20 11:36:05,199 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-07-20 11:36:05,414 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 11:36:05,418 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-07-20 11:36:06,025 WARN  L193               SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 47
[2020-07-20 11:36:06,180 WARN  L193               SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 32
[2020-07-20 11:36:06,344 WARN  L193               SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 32
[2020-07-20 11:36:06,348 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initFINAL(line -1)  no Hoare annotation was computed.
[2020-07-20 11:36:06,348 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)|) (= ~a19~0 |old(~a19~0)|))
[2020-07-20 11:36:06,348 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initEXIT(line -1)  no Hoare annotation was computed.
[2020-07-20 11:36:06,349 INFO  L268        CegarLoopResult]: For program point  L564-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,349 INFO  L268        CegarLoopResult]: For program point  L531-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,349 INFO  L268        CegarLoopResult]: For program point  L498-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,349 INFO  L268        CegarLoopResult]: For program point  L465-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,349 INFO  L268        CegarLoopResult]: For program point  L432-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,349 INFO  L268        CegarLoopResult]: For program point  L234(lines 234 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,349 INFO  L268        CegarLoopResult]: For program point  L69(lines 69 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,350 INFO  L268        CegarLoopResult]: For program point  L565(line 565)  no Hoare annotation was computed.
[2020-07-20 11:36:06,350 INFO  L268        CegarLoopResult]: For program point  L532(line 532)  no Hoare annotation was computed.
[2020-07-20 11:36:06,350 INFO  L268        CegarLoopResult]: For program point  L499(line 499)  no Hoare annotation was computed.
[2020-07-20 11:36:06,350 INFO  L268        CegarLoopResult]: For program point  L466(line 466)  no Hoare annotation was computed.
[2020-07-20 11:36:06,350 INFO  L268        CegarLoopResult]: For program point  L433(line 433)  no Hoare annotation was computed.
[2020-07-20 11:36:06,350 INFO  L268        CegarLoopResult]: For program point  L202(lines 202 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,350 INFO  L268        CegarLoopResult]: For program point  L169(lines 169 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,350 INFO  L268        CegarLoopResult]: For program point  L368(lines 368 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,351 INFO  L268        CegarLoopResult]: For program point  L203(lines 203 210)  no Hoare annotation was computed.
[2020-07-20 11:36:06,351 INFO  L268        CegarLoopResult]: For program point  L203-2(lines 203 210)  no Hoare annotation was computed.
[2020-07-20 11:36:06,351 INFO  L268        CegarLoopResult]: For program point  L38(lines 38 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,351 INFO  L268        CegarLoopResult]: For program point  L567-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,351 INFO  L268        CegarLoopResult]: For program point  L534-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,351 INFO  L268        CegarLoopResult]: For program point  L501-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,351 INFO  L268        CegarLoopResult]: For program point  L468-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,351 INFO  L268        CegarLoopResult]: For program point  L402(lines 402 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,352 INFO  L268        CegarLoopResult]: For program point  L435-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,352 INFO  L268        CegarLoopResult]: For program point  L237(lines 237 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,352 INFO  L268        CegarLoopResult]: For program point  L568(line 568)  no Hoare annotation was computed.
[2020-07-20 11:36:06,352 INFO  L268        CegarLoopResult]: For program point  L535(line 535)  no Hoare annotation was computed.
[2020-07-20 11:36:06,352 INFO  L268        CegarLoopResult]: For program point  L502(line 502)  no Hoare annotation was computed.
[2020-07-20 11:36:06,352 INFO  L268        CegarLoopResult]: For program point  L469(line 469)  no Hoare annotation was computed.
[2020-07-20 11:36:06,352 INFO  L268        CegarLoopResult]: For program point  L436(line 436)  no Hoare annotation was computed.
[2020-07-20 11:36:06,353 INFO  L268        CegarLoopResult]: For program point  L337(lines 337 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,353 INFO  L268        CegarLoopResult]: For program point  L238(lines 238 246)  no Hoare annotation was computed.
[2020-07-20 11:36:06,353 INFO  L268        CegarLoopResult]: For program point  L238-2(lines 238 246)  no Hoare annotation was computed.
[2020-07-20 11:36:06,353 INFO  L268        CegarLoopResult]: For program point  L139(lines 139 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,353 INFO  L268        CegarLoopResult]: For program point  L106(lines 106 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,353 INFO  L268        CegarLoopResult]: For program point  L404(lines 404 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,353 INFO  L268        CegarLoopResult]: For program point  L338(lines 338 347)  no Hoare annotation was computed.
[2020-07-20 11:36:06,353 INFO  L268        CegarLoopResult]: For program point  L338-2(lines 338 347)  no Hoare annotation was computed.
[2020-07-20 11:36:06,354 INFO  L268        CegarLoopResult]: For program point  L74(lines 74 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,354 INFO  L268        CegarLoopResult]: For program point  L570-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,354 INFO  L268        CegarLoopResult]: For program point  L537-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,354 INFO  L268        CegarLoopResult]: For program point  L504-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,354 INFO  L268        CegarLoopResult]: For program point  L471-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,354 INFO  L268        CegarLoopResult]: For program point  L438-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,355 INFO  L268        CegarLoopResult]: For program point  calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 466)  no Hoare annotation was computed.
[2020-07-20 11:36:06,355 INFO  L268        CegarLoopResult]: For program point  L75(lines 75 80)  no Hoare annotation was computed.
[2020-07-20 11:36:06,355 INFO  L268        CegarLoopResult]: For program point  L42(lines 42 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,355 INFO  L268        CegarLoopResult]: For program point  L75-2(lines 75 80)  no Hoare annotation was computed.
[2020-07-20 11:36:06,355 INFO  L268        CegarLoopResult]: For program point  L571(line 571)  no Hoare annotation was computed.
[2020-07-20 11:36:06,355 INFO  L268        CegarLoopResult]: For program point  L538(line 538)  no Hoare annotation was computed.
[2020-07-20 11:36:06,355 INFO  L268        CegarLoopResult]: For program point  L505(line 505)  no Hoare annotation was computed.
[2020-07-20 11:36:06,355 INFO  L268        CegarLoopResult]: For program point  L472(line 472)  no Hoare annotation was computed.
[2020-07-20 11:36:06,356 INFO  L268        CegarLoopResult]: For program point  L439(line 439)  no Hoare annotation was computed.
[2020-07-20 11:36:06,356 INFO  L268        CegarLoopResult]: For program point  L175(lines 175 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,356 INFO  L268        CegarLoopResult]: For program point  L407(lines 407 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,356 INFO  L268        CegarLoopResult]: For program point  L143(lines 143 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,356 INFO  L268        CegarLoopResult]: For program point  L573-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,356 INFO  L268        CegarLoopResult]: For program point  L540-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,356 INFO  L268        CegarLoopResult]: For program point  L507-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,356 INFO  L268        CegarLoopResult]: For program point  L474-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,357 INFO  L268        CegarLoopResult]: For program point  L441-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,357 INFO  L268        CegarLoopResult]: For program point  L375(lines 375 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,357 INFO  L268        CegarLoopResult]: For program point  L309(lines 309 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,357 INFO  L268        CegarLoopResult]: For program point  L276(lines 276 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,357 INFO  L268        CegarLoopResult]: For program point  L574(line 574)  no Hoare annotation was computed.
[2020-07-20 11:36:06,357 INFO  L268        CegarLoopResult]: For program point  L541(line 541)  no Hoare annotation was computed.
[2020-07-20 11:36:06,357 INFO  L268        CegarLoopResult]: For program point  L508(line 508)  no Hoare annotation was computed.
[2020-07-20 11:36:06,357 INFO  L268        CegarLoopResult]: For program point  L475(line 475)  no Hoare annotation was computed.
[2020-07-20 11:36:06,358 INFO  L268        CegarLoopResult]: For program point  L442(line 442)  no Hoare annotation was computed.
[2020-07-20 11:36:06,358 INFO  L268        CegarLoopResult]: For program point  L409(lines 409 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,358 INFO  L268        CegarLoopResult]: For program point  L212(lines 212 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,358 INFO  L268        CegarLoopResult]: For program point  L179(lines 179 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,358 INFO  L268        CegarLoopResult]: For program point  L113(lines 113 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,358 INFO  L268        CegarLoopResult]: For program point  L47(lines 47 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,358 INFO  L268        CegarLoopResult]: For program point  L576-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,359 INFO  L268        CegarLoopResult]: For program point  L543-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,359 INFO  L268        CegarLoopResult]: For program point  L510-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,359 INFO  L268        CegarLoopResult]: For program point  L477-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,359 INFO  L268        CegarLoopResult]: For program point  L444-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,359 INFO  L268        CegarLoopResult]: For program point  L378(lines 378 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,359 INFO  L268        CegarLoopResult]: For program point  L577(line 577)  no Hoare annotation was computed.
[2020-07-20 11:36:06,359 INFO  L268        CegarLoopResult]: For program point  L544(line 544)  no Hoare annotation was computed.
[2020-07-20 11:36:06,359 INFO  L268        CegarLoopResult]: For program point  L511(line 511)  no Hoare annotation was computed.
[2020-07-20 11:36:06,360 INFO  L268        CegarLoopResult]: For program point  L478(line 478)  no Hoare annotation was computed.
[2020-07-20 11:36:06,360 INFO  L268        CegarLoopResult]: For program point  L445(line 445)  no Hoare annotation was computed.
[2020-07-20 11:36:06,360 INFO  L268        CegarLoopResult]: For program point  L280(lines 280 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,360 INFO  L268        CegarLoopResult]: For program point  L148(lines 148 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,360 INFO  L268        CegarLoopResult]: For program point  L82(lines 82 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,360 INFO  L268        CegarLoopResult]: For program point  L380(lines 380 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,360 INFO  L268        CegarLoopResult]: For program point  L314(lines 314 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,360 INFO  L268        CegarLoopResult]: For program point  L248(lines 248 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,361 INFO  L268        CegarLoopResult]: For program point  L215(lines 215 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,361 INFO  L268        CegarLoopResult]: For program point  L83(lines 83 89)  no Hoare annotation was computed.
[2020-07-20 11:36:06,361 INFO  L268        CegarLoopResult]: For program point  L50(lines 50 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,361 INFO  L268        CegarLoopResult]: For program point  L83-2(lines 83 89)  no Hoare annotation was computed.
[2020-07-20 11:36:06,361 INFO  L268        CegarLoopResult]: For program point  L579-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,361 INFO  L268        CegarLoopResult]: For program point  L546-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,361 INFO  L268        CegarLoopResult]: For program point  L513-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,362 INFO  L268        CegarLoopResult]: For program point  L480-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,362 INFO  L268        CegarLoopResult]: For program point  L414(lines 414 416)  no Hoare annotation was computed.
[2020-07-20 11:36:06,362 INFO  L268        CegarLoopResult]: For program point  L447-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,362 INFO  L268        CegarLoopResult]: For program point  L381(lines 381 387)  no Hoare annotation was computed.
[2020-07-20 11:36:06,362 INFO  L268        CegarLoopResult]: For program point  L414-2(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,362 INFO  L268        CegarLoopResult]: For program point  L315(lines 315 326)  no Hoare annotation was computed.
[2020-07-20 11:36:06,362 INFO  L268        CegarLoopResult]: For program point  L381-2(lines 381 387)  no Hoare annotation was computed.
[2020-07-20 11:36:06,362 INFO  L268        CegarLoopResult]: For program point  L315-2(lines 315 326)  no Hoare annotation was computed.
[2020-07-20 11:36:06,363 INFO  L268        CegarLoopResult]: For program point  calculate_outputFINAL(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,363 INFO  L268        CegarLoopResult]: For program point  calculate_outputEXIT(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,363 INFO  L268        CegarLoopResult]: For program point  L580(line 580)  no Hoare annotation was computed.
[2020-07-20 11:36:06,363 INFO  L268        CegarLoopResult]: For program point  L547(line 547)  no Hoare annotation was computed.
[2020-07-20 11:36:06,363 INFO  L268        CegarLoopResult]: For program point  L514(line 514)  no Hoare annotation was computed.
[2020-07-20 11:36:06,363 INFO  L268        CegarLoopResult]: For program point  L481(line 481)  no Hoare annotation was computed.
[2020-07-20 11:36:06,363 INFO  L268        CegarLoopResult]: For program point  L448(line 448)  no Hoare annotation was computed.
[2020-07-20 11:36:06,363 INFO  L268        CegarLoopResult]: For program point  L415(line 415)  no Hoare annotation was computed.
[2020-07-20 11:36:06,364 INFO  L268        CegarLoopResult]: For program point  L349(lines 349 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,364 INFO  L268        CegarLoopResult]: For program point  L283(lines 283 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,364 INFO  L268        CegarLoopResult]: For program point  L218(lines 218 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,364 INFO  L268        CegarLoopResult]: For program point  L185(lines 185 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,364 INFO  L268        CegarLoopResult]: For program point  L119(lines 119 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,364 INFO  L268        CegarLoopResult]: For program point  L582-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,364 INFO  L268        CegarLoopResult]: For program point  L549-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,364 INFO  L268        CegarLoopResult]: For program point  L516-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,365 INFO  L268        CegarLoopResult]: For program point  L483-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,365 INFO  L268        CegarLoopResult]: For program point  L450-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,365 INFO  L268        CegarLoopResult]: For program point  L417-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,365 INFO  L268        CegarLoopResult]: For program point  L54(lines 54 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,365 INFO  L268        CegarLoopResult]: For program point  L583(line 583)  no Hoare annotation was computed.
[2020-07-20 11:36:06,365 INFO  L268        CegarLoopResult]: For program point  L550(line 550)  no Hoare annotation was computed.
[2020-07-20 11:36:06,365 INFO  L268        CegarLoopResult]: For program point  L517(line 517)  no Hoare annotation was computed.
[2020-07-20 11:36:06,365 INFO  L268        CegarLoopResult]: For program point  L484(line 484)  no Hoare annotation was computed.
[2020-07-20 11:36:06,366 INFO  L268        CegarLoopResult]: For program point  L451(line 451)  no Hoare annotation was computed.
[2020-07-20 11:36:06,366 INFO  L268        CegarLoopResult]: For program point  L418(line 418)  no Hoare annotation was computed.
[2020-07-20 11:36:06,366 INFO  L268        CegarLoopResult]: For program point  L286(lines 286 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,366 INFO  L268        CegarLoopResult]: For program point  L253(lines 253 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,366 INFO  L268        CegarLoopResult]: For program point  L187(lines 187 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,366 INFO  L268        CegarLoopResult]: For program point  L154(lines 154 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,366 INFO  L268        CegarLoopResult]: For program point  L585-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,366 INFO  L268        CegarLoopResult]: For program point  L552-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,367 INFO  L268        CegarLoopResult]: For program point  L519-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,367 INFO  L268        CegarLoopResult]: For program point  L486-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,367 INFO  L268        CegarLoopResult]: For program point  L453-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,367 INFO  L268        CegarLoopResult]: For program point  L420-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,367 INFO  L268        CegarLoopResult]: For program point  L354(lines 354 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,367 INFO  L268        CegarLoopResult]: For program point  L189(lines 189 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,367 INFO  L268        CegarLoopResult]: For program point  L123(lines 123 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,367 INFO  L268        CegarLoopResult]: For program point  L586(line 586)  no Hoare annotation was computed.
[2020-07-20 11:36:06,367 INFO  L268        CegarLoopResult]: For program point  L553(line 553)  no Hoare annotation was computed.
[2020-07-20 11:36:06,368 INFO  L268        CegarLoopResult]: For program point  L520(line 520)  no Hoare annotation was computed.
[2020-07-20 11:36:06,368 INFO  L268        CegarLoopResult]: For program point  L487(line 487)  no Hoare annotation was computed.
[2020-07-20 11:36:06,368 INFO  L268        CegarLoopResult]: For program point  L454(line 454)  no Hoare annotation was computed.
[2020-07-20 11:36:06,368 INFO  L268        CegarLoopResult]: For program point  L421(line 421)  no Hoare annotation was computed.
[2020-07-20 11:36:06,368 INFO  L268        CegarLoopResult]: For program point  L223(lines 223 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,368 INFO  L268        CegarLoopResult]: For program point  L91(lines 91 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,368 INFO  L268        CegarLoopResult]: For program point  L389(lines 389 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,368 INFO  L268        CegarLoopResult]: For program point  L191(lines 191 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,369 INFO  L268        CegarLoopResult]: For program point  L59(lines 59 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,369 INFO  L268        CegarLoopResult]: For program point  L588-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,369 INFO  L268        CegarLoopResult]: For program point  L555-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,369 INFO  L268        CegarLoopResult]: For program point  L522-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,369 INFO  L264        CegarLoopResult]: At program point  calculate_outputENTRY(lines 29 598)  the Hoare annotation is:  (let ((.cse3 (<= ~a17~0 |old(~a17~0)|)) (.cse4 (<= 10 ~a28~0)) (.cse7 (= 1 ~a25~0)) (.cse8 (not (= 1 |old(~a25~0)|))) (.cse1 (not (<= 10 |old(~a28~0)|))) (.cse0 (not (<= |old(~a28~0)| 10))) (.cse11 (not (<= 8 |old(~a17~0)|))) (.cse6 (<= ~a28~0 |old(~a28~0)|)) (.cse9 (<= ~a17~0 8)) (.cse10 (<= 8 ~a17~0)) (.cse5 (= ~a19~0 |old(~a19~0)|)) (.cse2 (not (<= |old(~a17~0)| 8)))) (and (or .cse0 .cse1 .cse2 (and .cse3 (<= ~a28~0 10) .cse4 .cse5)) (or (not (<= |old(~a28~0)| 7)) .cse2 (and .cse3 .cse6 .cse5)) (or .cse0 (and .cse3 .cse6 .cse5 .cse7) .cse8 .cse2) (or (not (= 1 |old(~a19~0)|)) (and .cse6 .cse9 .cse10 .cse4 .cse5 .cse7) .cse11 .cse8 .cse1 .cse2) (or .cse0 .cse11 (and .cse6 .cse9 .cse10 .cse5) .cse2)))
[2020-07-20 11:36:06,370 INFO  L268        CegarLoopResult]: For program point  L489-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,370 INFO  L268        CegarLoopResult]: For program point  L456-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,370 INFO  L268        CegarLoopResult]: For program point  L423-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,370 INFO  L268        CegarLoopResult]: For program point  L291(lines 291 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,370 INFO  L268        CegarLoopResult]: For program point  L225(lines 225 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,370 INFO  L268        CegarLoopResult]: For program point  L159(lines 159 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,370 INFO  L268        CegarLoopResult]: For program point  L589(line 589)  no Hoare annotation was computed.
[2020-07-20 11:36:06,370 INFO  L268        CegarLoopResult]: For program point  L556(line 556)  no Hoare annotation was computed.
[2020-07-20 11:36:06,371 INFO  L268        CegarLoopResult]: For program point  L523(line 523)  no Hoare annotation was computed.
[2020-07-20 11:36:06,371 INFO  L268        CegarLoopResult]: For program point  L490(line 490)  no Hoare annotation was computed.
[2020-07-20 11:36:06,371 INFO  L268        CegarLoopResult]: For program point  L457(line 457)  no Hoare annotation was computed.
[2020-07-20 11:36:06,371 INFO  L268        CegarLoopResult]: For program point  L424(line 424)  no Hoare annotation was computed.
[2020-07-20 11:36:06,371 INFO  L268        CegarLoopResult]: For program point  L259(lines 259 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,371 INFO  L268        CegarLoopResult]: For program point  L293(lines 293 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,371 INFO  L268        CegarLoopResult]: For program point  L194(lines 194 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,371 INFO  L268        CegarLoopResult]: For program point  L95(lines 95 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,372 INFO  L268        CegarLoopResult]: For program point  L591-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,372 INFO  L268        CegarLoopResult]: For program point  L558-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,372 INFO  L268        CegarLoopResult]: For program point  L525-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,372 INFO  L268        CegarLoopResult]: For program point  L492-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,372 INFO  L268        CegarLoopResult]: For program point  L459-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,372 INFO  L268        CegarLoopResult]: For program point  L426-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,372 INFO  L268        CegarLoopResult]: For program point  L261(lines 261 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,372 INFO  L268        CegarLoopResult]: For program point  L30(lines 30 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,373 INFO  L268        CegarLoopResult]: For program point  L592(line 592)  no Hoare annotation was computed.
[2020-07-20 11:36:06,373 INFO  L268        CegarLoopResult]: For program point  L559(line 559)  no Hoare annotation was computed.
[2020-07-20 11:36:06,373 INFO  L268        CegarLoopResult]: For program point  L526(line 526)  no Hoare annotation was computed.
[2020-07-20 11:36:06,373 INFO  L268        CegarLoopResult]: For program point  L493(line 493)  no Hoare annotation was computed.
[2020-07-20 11:36:06,373 INFO  L268        CegarLoopResult]: For program point  L460(line 460)  no Hoare annotation was computed.
[2020-07-20 11:36:06,373 INFO  L268        CegarLoopResult]: For program point  L427(line 427)  no Hoare annotation was computed.
[2020-07-20 11:36:06,373 INFO  L268        CegarLoopResult]: For program point  L394(lines 394 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,373 INFO  L268        CegarLoopResult]: For program point  L361(lines 361 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,373 INFO  L268        CegarLoopResult]: For program point  L328(lines 328 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,374 INFO  L268        CegarLoopResult]: For program point  L262(lines 262 274)  no Hoare annotation was computed.
[2020-07-20 11:36:06,374 INFO  L268        CegarLoopResult]: For program point  L262-2(lines 262 274)  no Hoare annotation was computed.
[2020-07-20 11:36:06,374 INFO  L268        CegarLoopResult]: For program point  L130(lines 130 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,374 INFO  L268        CegarLoopResult]: For program point  L65(lines 65 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,374 INFO  L268        CegarLoopResult]: For program point  L594-1(lines 594 596)  no Hoare annotation was computed.
[2020-07-20 11:36:06,374 INFO  L268        CegarLoopResult]: For program point  L561-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,374 INFO  L268        CegarLoopResult]: For program point  L528-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,374 INFO  L268        CegarLoopResult]: For program point  L495-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,374 INFO  L268        CegarLoopResult]: For program point  L462-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,375 INFO  L268        CegarLoopResult]: For program point  L429-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 11:36:06,375 INFO  L268        CegarLoopResult]: For program point  L297(lines 297 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,375 INFO  L268        CegarLoopResult]: For program point  L198(lines 198 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,375 INFO  L268        CegarLoopResult]: For program point  L165(lines 165 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,375 INFO  L268        CegarLoopResult]: For program point  L99(lines 99 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,375 INFO  L268        CegarLoopResult]: For program point  L595(line 595)  no Hoare annotation was computed.
[2020-07-20 11:36:06,375 INFO  L268        CegarLoopResult]: For program point  L562(line 562)  no Hoare annotation was computed.
[2020-07-20 11:36:06,375 INFO  L268        CegarLoopResult]: For program point  L529(line 529)  no Hoare annotation was computed.
[2020-07-20 11:36:06,375 INFO  L268        CegarLoopResult]: For program point  L496(line 496)  no Hoare annotation was computed.
[2020-07-20 11:36:06,376 INFO  L268        CegarLoopResult]: For program point  L463(line 463)  no Hoare annotation was computed.
[2020-07-20 11:36:06,376 INFO  L268        CegarLoopResult]: For program point  L430(line 430)  no Hoare annotation was computed.
[2020-07-20 11:36:06,376 INFO  L268        CegarLoopResult]: For program point  L331(lines 331 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,376 INFO  L268        CegarLoopResult]: For program point  L298(lines 298 307)  no Hoare annotation was computed.
[2020-07-20 11:36:06,376 INFO  L268        CegarLoopResult]: For program point  L232(lines 232 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,376 INFO  L268        CegarLoopResult]: For program point  L298-2(lines 298 307)  no Hoare annotation was computed.
[2020-07-20 11:36:06,376 INFO  L268        CegarLoopResult]: For program point  L398(lines 398 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,376 INFO  L268        CegarLoopResult]: For program point  L332(lines 332 335)  no Hoare annotation was computed.
[2020-07-20 11:36:06,376 INFO  L268        CegarLoopResult]: For program point  L332-2(lines 332 335)  no Hoare annotation was computed.
[2020-07-20 11:36:06,377 INFO  L268        CegarLoopResult]: For program point  L134(lines 134 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,377 INFO  L268        CegarLoopResult]: For program point  L35(lines 35 413)  no Hoare annotation was computed.
[2020-07-20 11:36:06,377 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2020-07-20 11:36:06,377 INFO  L264        CegarLoopResult]: At program point  L-1(line -1)  the Hoare annotation is:  (and (= 1 ~a19~0) (<= ~a17~0 8) (<= 8 ~a17~0) (<= ~a28~0 7))
[2020-07-20 11:36:06,377 INFO  L271        CegarLoopResult]: At program point  ULTIMATE.startENTRY(line -1)  the Hoare annotation is:  true
[2020-07-20 11:36:06,377 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2020-07-20 11:36:06,377 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)) (not (<= 8 |old(~a17~0)|)) (and (<= ~a28~0 |old(~a28~0)|) (<= ~a17~0 8) (<= 8 ~a17~0) (= ~a19~0 |old(~a19~0)|)) (not (<= |old(~a17~0)| 8)))
[2020-07-20 11:36:06,378 INFO  L264        CegarLoopResult]: At program point  L606-2(lines 606 616)  the Hoare annotation is:  (let ((.cse1 (<= ~a28~0 10)) (.cse0 (<= ~a17~0 8)) (.cse3 (<= 8 ~a17~0)) (.cse2 (= 1 ~a25~0))) (or (not (= 1 |old(~a19~0)|)) (and .cse0 .cse1 (<= 10 ~a28~0)) (and .cse0 .cse1 .cse2) (not (<= |old(~a28~0)| 7)) (and .cse0 (<= ~a28~0 7)) (not (<= 8 |old(~a17~0)|)) (and .cse0 .cse3 .cse1) (and (= 1 ~a19~0) .cse0 .cse3 .cse2) (not (<= |old(~a17~0)| 8))))
[2020-07-20 11:36:06,378 INFO  L268        CegarLoopResult]: For program point  L606-3(lines 600 617)  no Hoare annotation was computed.
[2020-07-20 11:36:06,378 INFO  L268        CegarLoopResult]: For program point  mainEXIT(lines 600 617)  no Hoare annotation was computed.
[2020-07-20 11:36:06,378 INFO  L264        CegarLoopResult]: At program point  L614(line 614)  the Hoare annotation is:  (let ((.cse1 (<= ~a28~0 10)) (.cse0 (<= ~a17~0 8)) (.cse3 (<= 8 ~a17~0)) (.cse2 (= 1 ~a25~0))) (or (not (= 1 |old(~a19~0)|)) (and .cse0 .cse1 (<= 10 ~a28~0)) (and .cse0 .cse1 .cse2) (not (<= |old(~a28~0)| 7)) (and .cse0 (<= ~a28~0 7)) (not (<= 8 |old(~a17~0)|)) (and .cse0 .cse3 .cse1) (and (= 1 ~a19~0) .cse0 .cse3 .cse2) (not (<= |old(~a17~0)| 8))))
[2020-07-20 11:36:06,378 INFO  L268        CegarLoopResult]: For program point  L614-1(line 614)  no Hoare annotation was computed.
[2020-07-20 11:36:06,378 INFO  L268        CegarLoopResult]: For program point  L611(line 611)  no Hoare annotation was computed.
[2020-07-20 11:36:06,397 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 11:36:06 BoogieIcfgContainer
[2020-07-20 11:36:06,397 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-20 11:36:06,399 INFO  L168              Benchmark]: Toolchain (without parser) took 12989.92 ms. Allocated memory was 144.2 MB in the beginning and 379.6 MB in the end (delta: 235.4 MB). Free memory was 100.6 MB in the beginning and 274.7 MB in the end (delta: -174.1 MB). Peak memory consumption was 252.2 MB. Max. memory is 7.1 GB.
[2020-07-20 11:36:06,400 INFO  L168              Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 144.2 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB.
[2020-07-20 11:36:06,401 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 719.49 ms. Allocated memory was 144.2 MB in the beginning and 203.9 MB in the end (delta: 59.8 MB). Free memory was 100.2 MB in the beginning and 170.8 MB in the end (delta: -70.6 MB). Peak memory consumption was 31.0 MB. Max. memory is 7.1 GB.
[2020-07-20 11:36:06,401 INFO  L168              Benchmark]: Boogie Preprocessor took 137.34 ms. Allocated memory is still 203.9 MB. Free memory was 170.8 MB in the beginning and 165.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB.
[2020-07-20 11:36:06,402 INFO  L168              Benchmark]: RCFGBuilder took 1386.00 ms. Allocated memory was 203.9 MB in the beginning and 234.4 MB in the end (delta: 30.4 MB). Free memory was 165.8 MB in the beginning and 181.7 MB in the end (delta: -15.9 MB). Peak memory consumption was 85.7 MB. Max. memory is 7.1 GB.
[2020-07-20 11:36:06,403 INFO  L168              Benchmark]: TraceAbstraction took 10736.80 ms. Allocated memory was 234.4 MB in the beginning and 379.6 MB in the end (delta: 145.2 MB). Free memory was 180.3 MB in the beginning and 274.7 MB in the end (delta: -94.4 MB). Peak memory consumption was 241.7 MB. Max. memory is 7.1 GB.
[2020-07-20 11:36:06,407 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.22 ms. Allocated memory is still 144.2 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 719.49 ms. Allocated memory was 144.2 MB in the beginning and 203.9 MB in the end (delta: 59.8 MB). Free memory was 100.2 MB in the beginning and 170.8 MB in the end (delta: -70.6 MB). Peak memory consumption was 31.0 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 137.34 ms. Allocated memory is still 203.9 MB. Free memory was 170.8 MB in the beginning and 165.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1386.00 ms. Allocated memory was 203.9 MB in the beginning and 234.4 MB in the end (delta: 30.4 MB). Free memory was 165.8 MB in the beginning and 181.7 MB in the end (delta: -15.9 MB). Peak memory consumption was 85.7 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 10736.80 ms. Allocated memory was 234.4 MB in the beginning and 379.6 MB in the end (delta: 145.2 MB). Free memory was 180.3 MB in the beginning and 274.7 MB in the end (delta: -94.4 MB). Peak memory consumption was 241.7 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 466]: 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)) || ((a17 <= 8 && a28 <= 10) && 10 <= a28)) || ((a17 <= 8 && a28 <= 10) && 1 == a25)) || !(\old(a28) <= 7)) || (a17 <= 8 && a28 <= 7)) || !(8 <= \old(a17))) || ((a17 <= 8 && 8 <= a17) && a28 <= 10)) || (((1 == a19 && a17 <= 8) && 8 <= a17) && 1 == a25)) || !(\old(a17) <= 8)
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.6s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 6.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 684 SDtfs, 2729 SDslu, 309 SDs, 0 SdLazy, 3804 SolverSat, 792 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1445 GetRequests, 1411 SyntacticMatches, 3 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1367occurred 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: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 356 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 53 PreInvPairs, 83 NumberOfFragments, 326 HoareAnnotationTreeSize, 53 FomulaSimplifications, 4580 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1462 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 1151 NumberOfCodeBlocks, 1151 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1431 ConstructedInterpolants, 0 QuantifiedInterpolants, 381975 SizeOfPredicates, 10 NumberOfNonLiveVariables, 3025 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 474/482 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...